Merge "Use Context on ProtectionForm for messages"
[mediawiki.git] / languages / Language.php
blobfbd4f6dddad915bb5d0b2b601420b77d3360a9fa
1 <?php
2 /**
3 * Internationalisation code.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
20 * @file
21 * @ingroup Language
24 /**
25 * @defgroup Language Language
28 if ( !defined( 'MEDIAWIKI' ) ) {
29 echo "This file is part of MediaWiki, it is not a valid entry point.\n";
30 exit( 1 );
33 if ( function_exists( 'mb_strtoupper' ) ) {
34 mb_internal_encoding( 'UTF-8' );
37 /**
38 * Internationalisation code
39 * @ingroup Language
41 class Language {
42 /**
43 * @var LanguageConverter
45 public $mConverter;
47 public $mVariants, $mCode, $mLoaded = false;
48 public $mMagicExtensions = array(), $mMagicHookDone = false;
49 private $mHtmlCode = null, $mParentLanguage = false;
51 public $dateFormatStrings = array();
52 public $mExtendedSpecialPageAliases;
54 protected $namespaceNames, $mNamespaceIds, $namespaceAliases;
56 /**
57 * ReplacementArray object caches
59 public $transformData = array();
61 /**
62 * @var LocalisationCache
64 static public $dataCache;
66 static public $mLangObjCache = array();
68 static public $mWeekdayMsgs = array(
69 'sunday', 'monday', 'tuesday', 'wednesday', 'thursday',
70 'friday', 'saturday'
73 static public $mWeekdayAbbrevMsgs = array(
74 'sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'
77 static public $mMonthMsgs = array(
78 'january', 'february', 'march', 'april', 'may_long', 'june',
79 'july', 'august', 'september', 'october', 'november',
80 'december'
82 static public $mMonthGenMsgs = array(
83 'january-gen', 'february-gen', 'march-gen', 'april-gen', 'may-gen', 'june-gen',
84 'july-gen', 'august-gen', 'september-gen', 'october-gen', 'november-gen',
85 'december-gen'
87 static public $mMonthAbbrevMsgs = array(
88 'jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug',
89 'sep', 'oct', 'nov', 'dec'
92 static public $mIranianCalendarMonthMsgs = array(
93 'iranian-calendar-m1', 'iranian-calendar-m2', 'iranian-calendar-m3',
94 'iranian-calendar-m4', 'iranian-calendar-m5', 'iranian-calendar-m6',
95 'iranian-calendar-m7', 'iranian-calendar-m8', 'iranian-calendar-m9',
96 'iranian-calendar-m10', 'iranian-calendar-m11', 'iranian-calendar-m12'
99 static public $mHebrewCalendarMonthMsgs = array(
100 'hebrew-calendar-m1', 'hebrew-calendar-m2', 'hebrew-calendar-m3',
101 'hebrew-calendar-m4', 'hebrew-calendar-m5', 'hebrew-calendar-m6',
102 'hebrew-calendar-m7', 'hebrew-calendar-m8', 'hebrew-calendar-m9',
103 'hebrew-calendar-m10', 'hebrew-calendar-m11', 'hebrew-calendar-m12',
104 'hebrew-calendar-m6a', 'hebrew-calendar-m6b'
107 static public $mHebrewCalendarMonthGenMsgs = array(
108 'hebrew-calendar-m1-gen', 'hebrew-calendar-m2-gen', 'hebrew-calendar-m3-gen',
109 'hebrew-calendar-m4-gen', 'hebrew-calendar-m5-gen', 'hebrew-calendar-m6-gen',
110 'hebrew-calendar-m7-gen', 'hebrew-calendar-m8-gen', 'hebrew-calendar-m9-gen',
111 'hebrew-calendar-m10-gen', 'hebrew-calendar-m11-gen', 'hebrew-calendar-m12-gen',
112 'hebrew-calendar-m6a-gen', 'hebrew-calendar-m6b-gen'
115 static public $mHijriCalendarMonthMsgs = array(
116 'hijri-calendar-m1', 'hijri-calendar-m2', 'hijri-calendar-m3',
117 'hijri-calendar-m4', 'hijri-calendar-m5', 'hijri-calendar-m6',
118 'hijri-calendar-m7', 'hijri-calendar-m8', 'hijri-calendar-m9',
119 'hijri-calendar-m10', 'hijri-calendar-m11', 'hijri-calendar-m12'
123 * @since 1.20
124 * @var array
126 static public $durationIntervals = array(
127 'millennia' => 31556952000,
128 'centuries' => 3155695200,
129 'decades' => 315569520,
130 'years' => 31556952, // 86400 * ( 365 + ( 24 * 3 + 25 ) / 400 )
131 'weeks' => 604800,
132 'days' => 86400,
133 'hours' => 3600,
134 'minutes' => 60,
135 'seconds' => 1,
139 * Cache for language fallbacks.
140 * @see Language::getFallbacksIncludingSiteLanguage
141 * @since 1.21
142 * @var array
144 static private $fallbackLanguageCache = array();
147 * Cache for language names
148 * @var MapCacheLRU|null
150 static private $languageNameCache;
153 * Get a cached or new language object for a given language code
154 * @param string $code
155 * @return Language
157 static function factory( $code ) {
158 global $wgDummyLanguageCodes, $wgLangObjCacheSize;
160 if ( isset( $wgDummyLanguageCodes[$code] ) ) {
161 $code = $wgDummyLanguageCodes[$code];
164 // get the language object to process
165 $langObj = isset( self::$mLangObjCache[$code] )
166 ? self::$mLangObjCache[$code]
167 : self::newFromCode( $code );
169 // merge the language object in to get it up front in the cache
170 self::$mLangObjCache = array_merge( array( $code => $langObj ), self::$mLangObjCache );
171 // get rid of the oldest ones in case we have an overflow
172 self::$mLangObjCache = array_slice( self::$mLangObjCache, 0, $wgLangObjCacheSize, true );
174 return $langObj;
178 * Create a language object for a given language code
179 * @param string $code
180 * @throws MWException
181 * @return Language
183 protected static function newFromCode( $code ) {
184 // Protect against path traversal below
185 if ( !Language::isValidCode( $code )
186 || strcspn( $code, ":/\\\000" ) !== strlen( $code )
188 throw new MWException( "Invalid language code \"$code\"" );
191 if ( !Language::isValidBuiltInCode( $code ) ) {
192 // It's not possible to customise this code with class files, so
193 // just return a Language object. This is to support uselang= hacks.
194 $lang = new Language;
195 $lang->setCode( $code );
196 return $lang;
199 // Check if there is a language class for the code
200 $class = self::classFromCode( $code );
201 self::preloadLanguageClass( $class );
202 if ( class_exists( $class ) ) {
203 $lang = new $class;
204 return $lang;
207 // Keep trying the fallback list until we find an existing class
208 $fallbacks = Language::getFallbacksFor( $code );
209 foreach ( $fallbacks as $fallbackCode ) {
210 if ( !Language::isValidBuiltInCode( $fallbackCode ) ) {
211 throw new MWException( "Invalid fallback '$fallbackCode' in fallback sequence for '$code'" );
214 $class = self::classFromCode( $fallbackCode );
215 self::preloadLanguageClass( $class );
216 if ( class_exists( $class ) ) {
217 $lang = Language::newFromCode( $fallbackCode );
218 $lang->setCode( $code );
219 return $lang;
223 throw new MWException( "Invalid fallback sequence for language '$code'" );
227 * Checks whether any localisation is available for that language tag
228 * in MediaWiki (MessagesXx.php exists).
230 * @param string $code Language tag (in lower case)
231 * @return bool Whether language is supported
232 * @since 1.21
234 public static function isSupportedLanguage( $code ) {
235 return self::isValidBuiltInCode( $code )
236 && ( is_readable( self::getMessagesFileName( $code ) )
237 || is_readable( self::getJsonMessagesFileName( $code ) )
242 * Returns true if a language code string is a well-formed language tag
243 * according to RFC 5646.
244 * This function only checks well-formedness; it doesn't check that
245 * language, script or variant codes actually exist in the repositories.
247 * Based on regexes by Mark Davis of the Unicode Consortium:
248 * http://unicode.org/repos/cldr/trunk/tools/java/org/unicode/cldr/util/data/langtagRegex.txt
250 * @param string $code
251 * @param bool $lenient Whether to allow '_' as separator. The default is only '-'.
253 * @return bool
254 * @since 1.21
256 public static function isWellFormedLanguageTag( $code, $lenient = false ) {
257 $alpha = '[a-z]';
258 $digit = '[0-9]';
259 $alphanum = '[a-z0-9]';
260 $x = 'x'; # private use singleton
261 $singleton = '[a-wy-z]'; # other singleton
262 $s = $lenient ? '[-_]' : '-';
264 $language = "$alpha{2,8}|$alpha{2,3}$s$alpha{3}";
265 $script = "$alpha{4}"; # ISO 15924
266 $region = "(?:$alpha{2}|$digit{3})"; # ISO 3166-1 alpha-2 or UN M.49
267 $variant = "(?:$alphanum{5,8}|$digit$alphanum{3})";
268 $extension = "$singleton(?:$s$alphanum{2,8})+";
269 $privateUse = "$x(?:$s$alphanum{1,8})+";
271 # Define certain grandfathered codes, since otherwise the regex is pretty useless.
272 # Since these are limited, this is safe even later changes to the registry --
273 # the only oddity is that it might change the type of the tag, and thus
274 # the results from the capturing groups.
275 # http://www.iana.org/assignments/language-subtag-registry
277 $grandfathered = "en{$s}GB{$s}oed"
278 . "|i{$s}(?:ami|bnn|default|enochian|hak|klingon|lux|mingo|navajo|pwn|tao|tay|tsu)"
279 . "|no{$s}(?:bok|nyn)"
280 . "|sgn{$s}(?:BE{$s}(?:fr|nl)|CH{$s}de)"
281 . "|zh{$s}min{$s}nan";
283 $variantList = "$variant(?:$s$variant)*";
284 $extensionList = "$extension(?:$s$extension)*";
286 $langtag = "(?:($language)"
287 . "(?:$s$script)?"
288 . "(?:$s$region)?"
289 . "(?:$s$variantList)?"
290 . "(?:$s$extensionList)?"
291 . "(?:$s$privateUse)?)";
293 # The final breakdown, with capturing groups for each of these components
294 # The variants, extensions, grandfathered, and private-use may have interior '-'
296 $root = "^(?:$langtag|$privateUse|$grandfathered)$";
298 return (bool)preg_match( "/$root/", strtolower( $code ) );
302 * Returns true if a language code string is of a valid form, whether or
303 * not it exists. This includes codes which are used solely for
304 * customisation via the MediaWiki namespace.
306 * @param string $code
308 * @return bool
310 public static function isValidCode( $code ) {
311 static $cache = array();
312 if ( isset( $cache[$code] ) ) {
313 return $cache[$code];
315 // People think language codes are html safe, so enforce it.
316 // Ideally we should only allow a-zA-Z0-9-
317 // but, .+ and other chars are often used for {{int:}} hacks
318 // see bugs 37564, 37587, 36938
319 $cache[$code] =
320 strcspn( $code, ":/\\\000&<>'\"" ) === strlen( $code )
321 && !preg_match( MediaWikiTitleCodec::getTitleInvalidRegex(), $code );
323 return $cache[$code];
327 * Returns true if a language code is of a valid form for the purposes of
328 * internal customisation of MediaWiki, via Messages*.php or *.json.
330 * @param string $code
332 * @throws MWException
333 * @since 1.18
334 * @return bool
336 public static function isValidBuiltInCode( $code ) {
338 if ( !is_string( $code ) ) {
339 if ( is_object( $code ) ) {
340 $addmsg = " of class " . get_class( $code );
341 } else {
342 $addmsg = '';
344 $type = gettype( $code );
345 throw new MWException( __METHOD__ . " must be passed a string, $type given$addmsg" );
348 return (bool)preg_match( '/^[a-z0-9-]{2,}$/', $code );
352 * Returns true if a language code is an IETF tag known to MediaWiki.
354 * @param string $tag
356 * @since 1.21
357 * @return bool
359 public static function isKnownLanguageTag( $tag ) {
360 static $coreLanguageNames;
362 // Quick escape for invalid input to avoid exceptions down the line
363 // when code tries to process tags which are not valid at all.
364 if ( !self::isValidBuiltInCode( $tag ) ) {
365 return false;
368 if ( $coreLanguageNames === null ) {
369 global $IP;
370 include "$IP/languages/Names.php";
373 if ( isset( $coreLanguageNames[$tag] )
374 || self::fetchLanguageName( $tag, $tag ) !== ''
376 return true;
379 return false;
383 * @param string $code
384 * @return string Name of the language class
386 public static function classFromCode( $code ) {
387 if ( $code == 'en' ) {
388 return 'Language';
389 } else {
390 return 'Language' . str_replace( '-', '_', ucfirst( $code ) );
395 * Includes language class files
397 * @param string $class Name of the language class
399 public static function preloadLanguageClass( $class ) {
400 global $IP;
402 if ( $class === 'Language' ) {
403 return;
406 if ( file_exists( "$IP/languages/classes/$class.php" ) ) {
407 include_once "$IP/languages/classes/$class.php";
412 * Get the LocalisationCache instance
414 * @return LocalisationCache
416 public static function getLocalisationCache() {
417 if ( is_null( self::$dataCache ) ) {
418 global $wgLocalisationCacheConf;
419 $class = $wgLocalisationCacheConf['class'];
420 self::$dataCache = new $class( $wgLocalisationCacheConf );
422 return self::$dataCache;
425 function __construct() {
426 $this->mConverter = new FakeConverter( $this );
427 // Set the code to the name of the descendant
428 if ( get_class( $this ) == 'Language' ) {
429 $this->mCode = 'en';
430 } else {
431 $this->mCode = str_replace( '_', '-', strtolower( substr( get_class( $this ), 8 ) ) );
433 self::getLocalisationCache();
437 * Reduce memory usage
439 function __destruct() {
440 foreach ( $this as $name => $value ) {
441 unset( $this->$name );
446 * Hook which will be called if this is the content language.
447 * Descendants can use this to register hook functions or modify globals
449 function initContLang() {
453 * @return array
454 * @since 1.19
456 function getFallbackLanguages() {
457 return self::getFallbacksFor( $this->mCode );
461 * Exports $wgBookstoreListEn
462 * @return array
464 function getBookstoreList() {
465 return self::$dataCache->getItem( $this->mCode, 'bookstoreList' );
469 * Returns an array of localised namespaces indexed by their numbers. If the namespace is not
470 * available in localised form, it will be included in English.
472 * @return array
474 public function getNamespaces() {
475 if ( is_null( $this->namespaceNames ) ) {
476 global $wgMetaNamespace, $wgMetaNamespaceTalk, $wgExtraNamespaces;
478 $this->namespaceNames = self::$dataCache->getItem( $this->mCode, 'namespaceNames' );
479 $validNamespaces = MWNamespace::getCanonicalNamespaces();
481 $this->namespaceNames = $wgExtraNamespaces + $this->namespaceNames + $validNamespaces;
483 $this->namespaceNames[NS_PROJECT] = $wgMetaNamespace;
484 if ( $wgMetaNamespaceTalk ) {
485 $this->namespaceNames[NS_PROJECT_TALK] = $wgMetaNamespaceTalk;
486 } else {
487 $talk = $this->namespaceNames[NS_PROJECT_TALK];
488 $this->namespaceNames[NS_PROJECT_TALK] =
489 $this->fixVariableInNamespace( $talk );
492 # Sometimes a language will be localised but not actually exist on this wiki.
493 foreach ( $this->namespaceNames as $key => $text ) {
494 if ( !isset( $validNamespaces[$key] ) ) {
495 unset( $this->namespaceNames[$key] );
499 # The above mixing may leave namespaces out of canonical order.
500 # Re-order by namespace ID number...
501 ksort( $this->namespaceNames );
503 Hooks::run( 'LanguageGetNamespaces', array( &$this->namespaceNames ) );
506 return $this->namespaceNames;
510 * Arbitrarily set all of the namespace names at once. Mainly used for testing
511 * @param array $namespaces Array of namespaces (id => name)
513 public function setNamespaces( array $namespaces ) {
514 $this->namespaceNames = $namespaces;
515 $this->mNamespaceIds = null;
519 * Resets all of the namespace caches. Mainly used for testing
521 public function resetNamespaces() {
522 $this->namespaceNames = null;
523 $this->mNamespaceIds = null;
524 $this->namespaceAliases = null;
528 * A convenience function that returns the same thing as
529 * getNamespaces() except with the array values changed to ' '
530 * where it found '_', useful for producing output to be displayed
531 * e.g. in <select> forms.
533 * @return array
535 function getFormattedNamespaces() {
536 $ns = $this->getNamespaces();
537 foreach ( $ns as $k => $v ) {
538 $ns[$k] = strtr( $v, '_', ' ' );
540 return $ns;
544 * Get a namespace value by key
545 * <code>
546 * $mw_ns = $wgContLang->getNsText( NS_MEDIAWIKI );
547 * echo $mw_ns; // prints 'MediaWiki'
548 * </code>
550 * @param int $index The array key of the namespace to return
551 * @return string|bool String if the namespace value exists, otherwise false
553 function getNsText( $index ) {
554 $ns = $this->getNamespaces();
556 return isset( $ns[$index] ) ? $ns[$index] : false;
560 * A convenience function that returns the same thing as
561 * getNsText() except with '_' changed to ' ', useful for
562 * producing output.
564 * <code>
565 * $mw_ns = $wgContLang->getFormattedNsText( NS_MEDIAWIKI_TALK );
566 * echo $mw_ns; // prints 'MediaWiki talk'
567 * </code>
569 * @param int $index The array key of the namespace to return
570 * @return string Namespace name without underscores (empty string if namespace does not exist)
572 function getFormattedNsText( $index ) {
573 $ns = $this->getNsText( $index );
575 return strtr( $ns, '_', ' ' );
579 * Returns gender-dependent namespace alias if available.
580 * See https://www.mediawiki.org/wiki/Manual:$wgExtraGenderNamespaces
581 * @param int $index Namespace index
582 * @param string $gender Gender key (male, female... )
583 * @return string
584 * @since 1.18
586 function getGenderNsText( $index, $gender ) {
587 global $wgExtraGenderNamespaces;
589 $ns = $wgExtraGenderNamespaces +
590 self::$dataCache->getItem( $this->mCode, 'namespaceGenderAliases' );
592 return isset( $ns[$index][$gender] ) ? $ns[$index][$gender] : $this->getNsText( $index );
596 * Whether this language uses gender-dependent namespace aliases.
597 * See https://www.mediawiki.org/wiki/Manual:$wgExtraGenderNamespaces
598 * @return bool
599 * @since 1.18
601 function needsGenderDistinction() {
602 global $wgExtraGenderNamespaces, $wgExtraNamespaces;
603 if ( count( $wgExtraGenderNamespaces ) > 0 ) {
604 // $wgExtraGenderNamespaces overrides everything
605 return true;
606 } elseif ( isset( $wgExtraNamespaces[NS_USER] ) && isset( $wgExtraNamespaces[NS_USER_TALK] ) ) {
607 /// @todo There may be other gender namespace than NS_USER & NS_USER_TALK in the future
608 // $wgExtraNamespaces overrides any gender aliases specified in i18n files
609 return false;
610 } else {
611 // Check what is in i18n files
612 $aliases = self::$dataCache->getItem( $this->mCode, 'namespaceGenderAliases' );
613 return count( $aliases ) > 0;
618 * Get a namespace key by value, case insensitive.
619 * Only matches namespace names for the current language, not the
620 * canonical ones defined in Namespace.php.
622 * @param string $text
623 * @return int|bool An integer if $text is a valid value otherwise false
625 function getLocalNsIndex( $text ) {
626 $lctext = $this->lc( $text );
627 $ids = $this->getNamespaceIds();
628 return isset( $ids[$lctext] ) ? $ids[$lctext] : false;
632 * @return array
634 function getNamespaceAliases() {
635 if ( is_null( $this->namespaceAliases ) ) {
636 $aliases = self::$dataCache->getItem( $this->mCode, 'namespaceAliases' );
637 if ( !$aliases ) {
638 $aliases = array();
639 } else {
640 foreach ( $aliases as $name => $index ) {
641 if ( $index === NS_PROJECT_TALK ) {
642 unset( $aliases[$name] );
643 $name = $this->fixVariableInNamespace( $name );
644 $aliases[$name] = $index;
649 global $wgExtraGenderNamespaces;
650 $genders = $wgExtraGenderNamespaces +
651 (array)self::$dataCache->getItem( $this->mCode, 'namespaceGenderAliases' );
652 foreach ( $genders as $index => $forms ) {
653 foreach ( $forms as $alias ) {
654 $aliases[$alias] = $index;
658 # Also add converted namespace names as aliases, to avoid confusion.
659 $convertedNames = array();
660 foreach ( $this->getVariants() as $variant ) {
661 if ( $variant === $this->mCode ) {
662 continue;
664 foreach ( $this->getNamespaces() as $ns => $_ ) {
665 $convertedNames[$this->getConverter()->convertNamespace( $ns, $variant )] = $ns;
669 $this->namespaceAliases = $aliases + $convertedNames;
672 return $this->namespaceAliases;
676 * @return array
678 function getNamespaceIds() {
679 if ( is_null( $this->mNamespaceIds ) ) {
680 global $wgNamespaceAliases;
681 # Put namespace names and aliases into a hashtable.
682 # If this is too slow, then we should arrange it so that it is done
683 # before caching. The catch is that at pre-cache time, the above
684 # class-specific fixup hasn't been done.
685 $this->mNamespaceIds = array();
686 foreach ( $this->getNamespaces() as $index => $name ) {
687 $this->mNamespaceIds[$this->lc( $name )] = $index;
689 foreach ( $this->getNamespaceAliases() as $name => $index ) {
690 $this->mNamespaceIds[$this->lc( $name )] = $index;
692 if ( $wgNamespaceAliases ) {
693 foreach ( $wgNamespaceAliases as $name => $index ) {
694 $this->mNamespaceIds[$this->lc( $name )] = $index;
698 return $this->mNamespaceIds;
702 * Get a namespace key by value, case insensitive. Canonical namespace
703 * names override custom ones defined for the current language.
705 * @param string $text
706 * @return int|bool An integer if $text is a valid value otherwise false
708 function getNsIndex( $text ) {
709 $lctext = $this->lc( $text );
710 $ns = MWNamespace::getCanonicalIndex( $lctext );
711 if ( $ns !== null ) {
712 return $ns;
714 $ids = $this->getNamespaceIds();
715 return isset( $ids[$lctext] ) ? $ids[$lctext] : false;
719 * short names for language variants used for language conversion links.
721 * @param string $code
722 * @param bool $usemsg Use the "variantname-xyz" message if it exists
723 * @return string
725 function getVariantname( $code, $usemsg = true ) {
726 $msg = "variantname-$code";
727 if ( $usemsg && wfMessage( $msg )->exists() ) {
728 return $this->getMessageFromDB( $msg );
730 $name = self::fetchLanguageName( $code );
731 if ( $name ) {
732 return $name; # if it's defined as a language name, show that
733 } else {
734 # otherwise, output the language code
735 return $code;
740 * @deprecated since 1.24, doesn't handle conflicting aliases. Use
741 * SpecialPageFactory::getLocalNameFor instead.
742 * @param string $name
743 * @return string
745 function specialPage( $name ) {
746 $aliases = $this->getSpecialPageAliases();
747 if ( isset( $aliases[$name][0] ) ) {
748 $name = $aliases[$name][0];
750 return $this->getNsText( NS_SPECIAL ) . ':' . $name;
754 * @return array
756 function getDatePreferences() {
757 return self::$dataCache->getItem( $this->mCode, 'datePreferences' );
761 * @return array
763 function getDateFormats() {
764 return self::$dataCache->getItem( $this->mCode, 'dateFormats' );
768 * @return array|string
770 function getDefaultDateFormat() {
771 $df = self::$dataCache->getItem( $this->mCode, 'defaultDateFormat' );
772 if ( $df === 'dmy or mdy' ) {
773 global $wgAmericanDates;
774 return $wgAmericanDates ? 'mdy' : 'dmy';
775 } else {
776 return $df;
781 * @return array
783 function getDatePreferenceMigrationMap() {
784 return self::$dataCache->getItem( $this->mCode, 'datePreferenceMigrationMap' );
788 * @param string $image
789 * @return array|null
791 function getImageFile( $image ) {
792 return self::$dataCache->getSubitem( $this->mCode, 'imageFiles', $image );
796 * @return array
797 * @since 1.24
799 function getImageFiles() {
800 return self::$dataCache->getItem( $this->mCode, 'imageFiles' );
804 * @return array
806 function getExtraUserToggles() {
807 return (array)self::$dataCache->getItem( $this->mCode, 'extraUserToggles' );
811 * @param string $tog
812 * @return string
814 function getUserToggle( $tog ) {
815 return $this->getMessageFromDB( "tog-$tog" );
819 * Get native language names, indexed by code.
820 * Only those defined in MediaWiki, no other data like CLDR.
821 * If $customisedOnly is true, only returns codes with a messages file
823 * @param bool $customisedOnly
825 * @return array
826 * @deprecated since 1.20, use fetchLanguageNames()
828 public static function getLanguageNames( $customisedOnly = false ) {
829 return self::fetchLanguageNames( null, $customisedOnly ? 'mwfile' : 'mw' );
833 * Get translated language names. This is done on best effort and
834 * by default this is exactly the same as Language::getLanguageNames.
835 * The CLDR extension provides translated names.
836 * @param string $code Language code.
837 * @return array Language code => language name
838 * @since 1.18.0
839 * @deprecated since 1.20, use fetchLanguageNames()
841 public static function getTranslatedLanguageNames( $code ) {
842 return self::fetchLanguageNames( $code, 'all' );
846 * Get an array of language names, indexed by code.
847 * @param null|string $inLanguage Code of language in which to return the names
848 * Use null for autonyms (native names)
849 * @param string $include One of:
850 * 'all' all available languages
851 * 'mw' only if the language is defined in MediaWiki or wgExtraLanguageNames (default)
852 * 'mwfile' only if the language is in 'mw' *and* has a message file
853 * @return array Language code => language name
854 * @since 1.20
856 public static function fetchLanguageNames( $inLanguage = null, $include = 'mw' ) {
857 $cacheKey = $inLanguage === null ? 'null' : $inLanguage;
858 $cacheKey .= ":$include";
859 if ( self::$languageNameCache === null ) {
860 self::$languageNameCache = new MapCacheLRU( 20 );
862 if ( self::$languageNameCache->has( $cacheKey ) ) {
863 $ret = self::$languageNameCache->get( $cacheKey );
864 } else {
865 $ret = self::fetchLanguageNamesUncached( $inLanguage, $include );
866 self::$languageNameCache->set( $cacheKey, $ret );
868 return $ret;
872 * Uncached helper for fetchLanguageNames
873 * @param null|string $inLanguage Code of language in which to return the names
874 * Use null for autonyms (native names)
875 * @param string $include One of:
876 * 'all' all available languages
877 * 'mw' only if the language is defined in MediaWiki or wgExtraLanguageNames (default)
878 * 'mwfile' only if the language is in 'mw' *and* has a message file
879 * @return array Language code => language name
881 private static function fetchLanguageNamesUncached( $inLanguage = null, $include = 'mw' ) {
882 global $wgExtraLanguageNames;
883 static $coreLanguageNames;
885 if ( $coreLanguageNames === null ) {
886 global $IP;
887 include "$IP/languages/Names.php";
890 // If passed an invalid language code to use, fallback to en
891 if ( $inLanguage !== null && !Language::isValidCode( $inLanguage ) ) {
892 $inLanguage = 'en';
895 $names = array();
897 if ( $inLanguage ) {
898 # TODO: also include when $inLanguage is null, when this code is more efficient
899 Hooks::run( 'LanguageGetTranslatedLanguageNames', array( &$names, $inLanguage ) );
902 $mwNames = $wgExtraLanguageNames + $coreLanguageNames;
903 foreach ( $mwNames as $mwCode => $mwName ) {
904 # - Prefer own MediaWiki native name when not using the hook
905 # - For other names just add if not added through the hook
906 if ( $mwCode === $inLanguage || !isset( $names[$mwCode] ) ) {
907 $names[$mwCode] = $mwName;
911 if ( $include === 'all' ) {
912 ksort( $names );
913 return $names;
916 $returnMw = array();
917 $coreCodes = array_keys( $mwNames );
918 foreach ( $coreCodes as $coreCode ) {
919 $returnMw[$coreCode] = $names[$coreCode];
922 if ( $include === 'mwfile' ) {
923 $namesMwFile = array();
924 # We do this using a foreach over the codes instead of a directory
925 # loop so that messages files in extensions will work correctly.
926 foreach ( $returnMw as $code => $value ) {
927 if ( is_readable( self::getMessagesFileName( $code ) )
928 || is_readable( self::getJsonMessagesFileName( $code ) )
930 $namesMwFile[$code] = $names[$code];
934 ksort( $namesMwFile );
935 return $namesMwFile;
938 ksort( $returnMw );
939 # 'mw' option; default if it's not one of the other two options (all/mwfile)
940 return $returnMw;
944 * @param string $code The code of the language for which to get the name
945 * @param null|string $inLanguage Code of language in which to return the name (null for autonyms)
946 * @param string $include 'all', 'mw' or 'mwfile'; see fetchLanguageNames()
947 * @return string Language name or empty
948 * @since 1.20
950 public static function fetchLanguageName( $code, $inLanguage = null, $include = 'all' ) {
951 $code = strtolower( $code );
952 $array = self::fetchLanguageNames( $inLanguage, $include );
953 return !array_key_exists( $code, $array ) ? '' : $array[$code];
957 * Get a message from the MediaWiki namespace.
959 * @param string $msg Message name
960 * @return string
962 function getMessageFromDB( $msg ) {
963 return $this->msg( $msg )->text();
967 * Get message object in this language. Only for use inside this class.
969 * @param string $msg Message name
970 * @return Message
972 protected function msg( $msg ) {
973 return wfMessage( $msg )->inLanguage( $this );
977 * Get the native language name of $code.
978 * Only if defined in MediaWiki, no other data like CLDR.
979 * @param string $code
980 * @return string
981 * @deprecated since 1.20, use fetchLanguageName()
983 function getLanguageName( $code ) {
984 return self::fetchLanguageName( $code );
988 * @param string $key
989 * @return string
991 function getMonthName( $key ) {
992 return $this->getMessageFromDB( self::$mMonthMsgs[$key - 1] );
996 * @return array
998 function getMonthNamesArray() {
999 $monthNames = array( '' );
1000 for ( $i = 1; $i < 13; $i++ ) {
1001 $monthNames[] = $this->getMonthName( $i );
1003 return $monthNames;
1007 * @param string $key
1008 * @return string
1010 function getMonthNameGen( $key ) {
1011 return $this->getMessageFromDB( self::$mMonthGenMsgs[$key - 1] );
1015 * @param string $key
1016 * @return string
1018 function getMonthAbbreviation( $key ) {
1019 return $this->getMessageFromDB( self::$mMonthAbbrevMsgs[$key - 1] );
1023 * @return array
1025 function getMonthAbbreviationsArray() {
1026 $monthNames = array( '' );
1027 for ( $i = 1; $i < 13; $i++ ) {
1028 $monthNames[] = $this->getMonthAbbreviation( $i );
1030 return $monthNames;
1034 * @param string $key
1035 * @return string
1037 function getWeekdayName( $key ) {
1038 return $this->getMessageFromDB( self::$mWeekdayMsgs[$key - 1] );
1042 * @param string $key
1043 * @return string
1045 function getWeekdayAbbreviation( $key ) {
1046 return $this->getMessageFromDB( self::$mWeekdayAbbrevMsgs[$key - 1] );
1050 * @param string $key
1051 * @return string
1053 function getIranianCalendarMonthName( $key ) {
1054 return $this->getMessageFromDB( self::$mIranianCalendarMonthMsgs[$key - 1] );
1058 * @param string $key
1059 * @return string
1061 function getHebrewCalendarMonthName( $key ) {
1062 return $this->getMessageFromDB( self::$mHebrewCalendarMonthMsgs[$key - 1] );
1066 * @param string $key
1067 * @return string
1069 function getHebrewCalendarMonthNameGen( $key ) {
1070 return $this->getMessageFromDB( self::$mHebrewCalendarMonthGenMsgs[$key - 1] );
1074 * @param string $key
1075 * @return string
1077 function getHijriCalendarMonthName( $key ) {
1078 return $this->getMessageFromDB( self::$mHijriCalendarMonthMsgs[$key - 1] );
1082 * Pass through result from $dateTimeObj->format()
1083 * @param DateTime|bool|null &$dateTimeObj
1084 * @param string $ts
1085 * @param DateTimeZone|bool|null $zone
1086 * @param string $code
1087 * @return string
1089 private static function dateTimeObjFormat( &$dateTimeObj, $ts, $zone, $code ) {
1090 if ( !$dateTimeObj ) {
1091 $dateTimeObj = DateTime::createFromFormat(
1092 'YmdHis', $ts, $zone ?: new DateTimeZone( 'UTC' )
1095 return $dateTimeObj->format( $code );
1099 * This is a workalike of PHP's date() function, but with better
1100 * internationalisation, a reduced set of format characters, and a better
1101 * escaping format.
1103 * Supported format characters are dDjlNwzWFmMntLoYyaAgGhHiscrUeIOPTZ. See
1104 * the PHP manual for definitions. There are a number of extensions, which
1105 * start with "x":
1107 * xn Do not translate digits of the next numeric format character
1108 * xN Toggle raw digit (xn) flag, stays set until explicitly unset
1109 * xr Use roman numerals for the next numeric format character
1110 * xh Use hebrew numerals for the next numeric format character
1111 * xx Literal x
1112 * xg Genitive month name
1114 * xij j (day number) in Iranian calendar
1115 * xiF F (month name) in Iranian calendar
1116 * xin n (month number) in Iranian calendar
1117 * xiy y (two digit year) in Iranian calendar
1118 * xiY Y (full year) in Iranian calendar
1120 * xjj j (day number) in Hebrew calendar
1121 * xjF F (month name) in Hebrew calendar
1122 * xjt t (days in month) in Hebrew calendar
1123 * xjx xg (genitive month name) in Hebrew calendar
1124 * xjn n (month number) in Hebrew calendar
1125 * xjY Y (full year) in Hebrew calendar
1127 * xmj j (day number) in Hijri calendar
1128 * xmF F (month name) in Hijri calendar
1129 * xmn n (month number) in Hijri calendar
1130 * xmY Y (full year) in Hijri calendar
1132 * xkY Y (full year) in Thai solar calendar. Months and days are
1133 * identical to the Gregorian calendar
1134 * xoY Y (full year) in Minguo calendar or Juche year.
1135 * Months and days are identical to the
1136 * Gregorian calendar
1137 * xtY Y (full year) in Japanese nengo. Months and days are
1138 * identical to the Gregorian calendar
1140 * Characters enclosed in double quotes will be considered literal (with
1141 * the quotes themselves removed). Unmatched quotes will be considered
1142 * literal quotes. Example:
1144 * "The month is" F => The month is January
1145 * i's" => 20'11"
1147 * Backslash escaping is also supported.
1149 * Input timestamp is assumed to be pre-normalized to the desired local
1150 * time zone, if any. Note that the format characters crUeIOPTZ will assume
1151 * $ts is UTC if $zone is not given.
1153 * @param string $format
1154 * @param string $ts 14-character timestamp
1155 * YYYYMMDDHHMMSS
1156 * 01234567890123
1157 * @param DateTimeZone $zone Timezone of $ts
1158 * @param[out] int $ttl The amount of time (in seconds) the output may be cached for.
1159 * Only makes sense if $ts is the current time.
1160 * @todo handling of "o" format character for Iranian, Hebrew, Hijri & Thai?
1162 * @throws MWException
1163 * @return string
1165 function sprintfDate( $format, $ts, DateTimeZone $zone = null, &$ttl = null ) {
1166 $s = '';
1167 $raw = false;
1168 $roman = false;
1169 $hebrewNum = false;
1170 $dateTimeObj = false;
1171 $rawToggle = false;
1172 $iranian = false;
1173 $hebrew = false;
1174 $hijri = false;
1175 $thai = false;
1176 $minguo = false;
1177 $tenno = false;
1179 $usedSecond = false;
1180 $usedMinute = false;
1181 $usedHour = false;
1182 $usedAMPM = false;
1183 $usedDay = false;
1184 $usedWeek = false;
1185 $usedMonth = false;
1186 $usedYear = false;
1187 $usedISOYear = false;
1188 $usedIsLeapYear = false;
1190 $usedHebrewMonth = false;
1191 $usedIranianMonth = false;
1192 $usedHijriMonth = false;
1193 $usedHebrewYear = false;
1194 $usedIranianYear = false;
1195 $usedHijriYear = false;
1196 $usedTennoYear = false;
1198 if ( strlen( $ts ) !== 14 ) {
1199 throw new MWException( __METHOD__ . ": The timestamp $ts should have 14 characters" );
1202 if ( !ctype_digit( $ts ) ) {
1203 throw new MWException( __METHOD__ . ": The timestamp $ts should be a number" );
1206 $formatLength = strlen( $format );
1207 for ( $p = 0; $p < $formatLength; $p++ ) {
1208 $num = false;
1209 $code = $format[$p];
1210 if ( $code == 'x' && $p < $formatLength - 1 ) {
1211 $code .= $format[++$p];
1214 if ( ( $code === 'xi'
1215 || $code === 'xj'
1216 || $code === 'xk'
1217 || $code === 'xm'
1218 || $code === 'xo'
1219 || $code === 'xt' )
1220 && $p < $formatLength - 1 ) {
1221 $code .= $format[++$p];
1224 switch ( $code ) {
1225 case 'xx':
1226 $s .= 'x';
1227 break;
1228 case 'xn':
1229 $raw = true;
1230 break;
1231 case 'xN':
1232 $rawToggle = !$rawToggle;
1233 break;
1234 case 'xr':
1235 $roman = true;
1236 break;
1237 case 'xh':
1238 $hebrewNum = true;
1239 break;
1240 case 'xg':
1241 $usedMonth = true;
1242 $s .= $this->getMonthNameGen( substr( $ts, 4, 2 ) );
1243 break;
1244 case 'xjx':
1245 $usedHebrewMonth = true;
1246 if ( !$hebrew ) {
1247 $hebrew = self::tsToHebrew( $ts );
1249 $s .= $this->getHebrewCalendarMonthNameGen( $hebrew[1] );
1250 break;
1251 case 'd':
1252 $usedDay = true;
1253 $num = substr( $ts, 6, 2 );
1254 break;
1255 case 'D':
1256 $usedDay = true;
1257 $s .= $this->getWeekdayAbbreviation( Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'w' ) + 1 );
1258 break;
1259 case 'j':
1260 $usedDay = true;
1261 $num = intval( substr( $ts, 6, 2 ) );
1262 break;
1263 case 'xij':
1264 $usedDay = true;
1265 if ( !$iranian ) {
1266 $iranian = self::tsToIranian( $ts );
1268 $num = $iranian[2];
1269 break;
1270 case 'xmj':
1271 $usedDay = true;
1272 if ( !$hijri ) {
1273 $hijri = self::tsToHijri( $ts );
1275 $num = $hijri[2];
1276 break;
1277 case 'xjj':
1278 $usedDay = true;
1279 if ( !$hebrew ) {
1280 $hebrew = self::tsToHebrew( $ts );
1282 $num = $hebrew[2];
1283 break;
1284 case 'l':
1285 $usedDay = true;
1286 $s .= $this->getWeekdayName( Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'w' ) + 1 );
1287 break;
1288 case 'F':
1289 $usedMonth = true;
1290 $s .= $this->getMonthName( substr( $ts, 4, 2 ) );
1291 break;
1292 case 'xiF':
1293 $usedIranianMonth = true;
1294 if ( !$iranian ) {
1295 $iranian = self::tsToIranian( $ts );
1297 $s .= $this->getIranianCalendarMonthName( $iranian[1] );
1298 break;
1299 case 'xmF':
1300 $usedHijriMonth = true;
1301 if ( !$hijri ) {
1302 $hijri = self::tsToHijri( $ts );
1304 $s .= $this->getHijriCalendarMonthName( $hijri[1] );
1305 break;
1306 case 'xjF':
1307 $usedHebrewMonth = true;
1308 if ( !$hebrew ) {
1309 $hebrew = self::tsToHebrew( $ts );
1311 $s .= $this->getHebrewCalendarMonthName( $hebrew[1] );
1312 break;
1313 case 'm':
1314 $usedMonth = true;
1315 $num = substr( $ts, 4, 2 );
1316 break;
1317 case 'M':
1318 $usedMonth = true;
1319 $s .= $this->getMonthAbbreviation( substr( $ts, 4, 2 ) );
1320 break;
1321 case 'n':
1322 $usedMonth = true;
1323 $num = intval( substr( $ts, 4, 2 ) );
1324 break;
1325 case 'xin':
1326 $usedIranianMonth = true;
1327 if ( !$iranian ) {
1328 $iranian = self::tsToIranian( $ts );
1330 $num = $iranian[1];
1331 break;
1332 case 'xmn':
1333 $usedHijriMonth = true;
1334 if ( !$hijri ) {
1335 $hijri = self::tsToHijri ( $ts );
1337 $num = $hijri[1];
1338 break;
1339 case 'xjn':
1340 $usedHebrewMonth = true;
1341 if ( !$hebrew ) {
1342 $hebrew = self::tsToHebrew( $ts );
1344 $num = $hebrew[1];
1345 break;
1346 case 'xjt':
1347 $usedHebrewMonth = true;
1348 if ( !$hebrew ) {
1349 $hebrew = self::tsToHebrew( $ts );
1351 $num = $hebrew[3];
1352 break;
1353 case 'Y':
1354 $usedYear = true;
1355 $num = substr( $ts, 0, 4 );
1356 break;
1357 case 'xiY':
1358 $usedIranianYear = true;
1359 if ( !$iranian ) {
1360 $iranian = self::tsToIranian( $ts );
1362 $num = $iranian[0];
1363 break;
1364 case 'xmY':
1365 $usedHijriYear = true;
1366 if ( !$hijri ) {
1367 $hijri = self::tsToHijri( $ts );
1369 $num = $hijri[0];
1370 break;
1371 case 'xjY':
1372 $usedHebrewYear = true;
1373 if ( !$hebrew ) {
1374 $hebrew = self::tsToHebrew( $ts );
1376 $num = $hebrew[0];
1377 break;
1378 case 'xkY':
1379 $usedYear = true;
1380 if ( !$thai ) {
1381 $thai = self::tsToYear( $ts, 'thai' );
1383 $num = $thai[0];
1384 break;
1385 case 'xoY':
1386 $usedYear = true;
1387 if ( !$minguo ) {
1388 $minguo = self::tsToYear( $ts, 'minguo' );
1390 $num = $minguo[0];
1391 break;
1392 case 'xtY':
1393 $usedTennoYear = true;
1394 if ( !$tenno ) {
1395 $tenno = self::tsToYear( $ts, 'tenno' );
1397 $num = $tenno[0];
1398 break;
1399 case 'y':
1400 $usedYear = true;
1401 $num = substr( $ts, 2, 2 );
1402 break;
1403 case 'xiy':
1404 $usedIranianYear = true;
1405 if ( !$iranian ) {
1406 $iranian = self::tsToIranian( $ts );
1408 $num = substr( $iranian[0], -2 );
1409 break;
1410 case 'a':
1411 $usedAMPM = true;
1412 $s .= intval( substr( $ts, 8, 2 ) ) < 12 ? 'am' : 'pm';
1413 break;
1414 case 'A':
1415 $usedAMPM = true;
1416 $s .= intval( substr( $ts, 8, 2 ) ) < 12 ? 'AM' : 'PM';
1417 break;
1418 case 'g':
1419 $usedHour = true;
1420 $h = substr( $ts, 8, 2 );
1421 $num = $h % 12 ? $h % 12 : 12;
1422 break;
1423 case 'G':
1424 $usedHour = true;
1425 $num = intval( substr( $ts, 8, 2 ) );
1426 break;
1427 case 'h':
1428 $usedHour = true;
1429 $h = substr( $ts, 8, 2 );
1430 $num = sprintf( '%02d', $h % 12 ? $h % 12 : 12 );
1431 break;
1432 case 'H':
1433 $usedHour = true;
1434 $num = substr( $ts, 8, 2 );
1435 break;
1436 case 'i':
1437 $usedMinute = true;
1438 $num = substr( $ts, 10, 2 );
1439 break;
1440 case 's':
1441 $usedSecond = true;
1442 $num = substr( $ts, 12, 2 );
1443 break;
1444 case 'c':
1445 case 'r':
1446 $usedSecond = true;
1447 // fall through
1448 case 'e':
1449 case 'O':
1450 case 'P':
1451 case 'T':
1452 $s .= Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, $code );
1453 break;
1454 case 'w':
1455 case 'N':
1456 case 'z':
1457 $usedDay = true;
1458 $num = Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, $code );
1459 break;
1460 case 'W':
1461 $usedWeek = true;
1462 $num = Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, $code );
1463 break;
1464 case 't':
1465 $usedMonth = true;
1466 $num = Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, $code );
1467 break;
1468 case 'L':
1469 $usedIsLeapYear = true;
1470 $num = Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, $code );
1471 break;
1472 case 'o':
1473 $usedISOYear = true;
1474 $num = Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, $code );
1475 break;
1476 case 'U':
1477 $usedSecond = true;
1478 // fall through
1479 case 'I':
1480 case 'Z':
1481 $num = Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, $code );
1482 break;
1483 case '\\':
1484 # Backslash escaping
1485 if ( $p < $formatLength - 1 ) {
1486 $s .= $format[++$p];
1487 } else {
1488 $s .= '\\';
1490 break;
1491 case '"':
1492 # Quoted literal
1493 if ( $p < $formatLength - 1 ) {
1494 $endQuote = strpos( $format, '"', $p + 1 );
1495 if ( $endQuote === false ) {
1496 # No terminating quote, assume literal "
1497 $s .= '"';
1498 } else {
1499 $s .= substr( $format, $p + 1, $endQuote - $p - 1 );
1500 $p = $endQuote;
1502 } else {
1503 # Quote at end of string, assume literal "
1504 $s .= '"';
1506 break;
1507 default:
1508 $s .= $format[$p];
1510 if ( $num !== false ) {
1511 if ( $rawToggle || $raw ) {
1512 $s .= $num;
1513 $raw = false;
1514 } elseif ( $roman ) {
1515 $s .= Language::romanNumeral( $num );
1516 $roman = false;
1517 } elseif ( $hebrewNum ) {
1518 $s .= self::hebrewNumeral( $num );
1519 $hebrewNum = false;
1520 } else {
1521 $s .= $this->formatNum( $num, true );
1526 if ( $usedSecond ) {
1527 $ttl = 1;
1528 } elseif ( $usedMinute ) {
1529 $ttl = 60 - substr( $ts, 12, 2 );
1530 } elseif ( $usedHour ) {
1531 $ttl = 3600 - substr( $ts, 10, 2 ) * 60 - substr( $ts, 12, 2 );
1532 } elseif ( $usedAMPM ) {
1533 $ttl = 43200 - ( substr( $ts, 8, 2 ) % 12 ) * 3600 - substr( $ts, 10, 2 ) * 60 - substr( $ts, 12, 2 );
1534 } elseif ( $usedDay || $usedHebrewMonth || $usedIranianMonth || $usedHijriMonth || $usedHebrewYear || $usedIranianYear || $usedHijriYear || $usedTennoYear ) {
1535 // @todo Someone who understands the non-Gregorian calendars should write proper logic for them
1536 // so that they don't need purged every day.
1537 $ttl = 86400 - substr( $ts, 8, 2 ) * 3600 - substr( $ts, 10, 2 ) * 60 - substr( $ts, 12, 2 );
1538 } else {
1539 $possibleTtls = array();
1540 $timeRemainingInDay = 86400 - substr( $ts, 8, 2 ) * 3600 - substr( $ts, 10, 2 ) * 60 - substr( $ts, 12, 2 );
1541 if ( $usedWeek ) {
1542 $possibleTtls[] = ( 7 - Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'N' ) ) * 86400 + $timeRemainingInDay;
1543 } elseif ( $usedISOYear ) {
1544 // December 28th falls on the last ISO week of the year, every year.
1545 // The last ISO week of a year can be 52 or 53.
1546 $lastWeekOfISOYear = DateTime::createFromFormat( 'Ymd', substr( $ts, 0, 4 ) . '1228', $zone ?: new DateTimeZone( 'UTC' ) )->format( 'W' );
1547 $currentISOWeek = Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'W' );
1548 $weeksRemaining = $lastWeekOfISOYear - $currentISOWeek;
1549 $timeRemainingInWeek = ( 7 - Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'N' ) ) * 86400 + $timeRemainingInDay;
1550 $possibleTtls[] = $weeksRemaining * 604800 + $timeRemainingInWeek;
1553 if ( $usedMonth ) {
1554 $possibleTtls[] = ( Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 't' ) - substr( $ts, 6, 2 ) ) * 86400 + $timeRemainingInDay;
1555 } elseif ( $usedYear ) {
1556 $possibleTtls[] = ( Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'L' ) + 364 - Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'z' ) ) * 86400
1557 + $timeRemainingInDay;
1558 } elseif ( $usedIsLeapYear ) {
1559 $year = substr( $ts, 0, 4 );
1560 $timeRemainingInYear = ( Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'L' ) + 364 - Language::dateTimeObjFormat( $dateTimeObj, $ts, $zone, 'z' ) ) * 86400
1561 + $timeRemainingInDay;
1562 $mod = $year % 4;
1563 if ( $mod || ( !( $year % 100 ) && $year % 400 ) ) {
1564 // this isn't a leap year. see when the next one starts
1565 $nextCandidate = $year - $mod + 4;
1566 if ( $nextCandidate % 100 || !( $nextCandidate % 400 ) ) {
1567 $possibleTtls[] = ( $nextCandidate - $year - 1 ) * 365 * 86400 + $timeRemainingInYear;
1568 } else {
1569 $possibleTtls[] = ( $nextCandidate - $year + 3 ) * 365 * 86400 + $timeRemainingInYear;
1571 } else {
1572 // this is a leap year, so the next year isn't
1573 $possibleTtls[] = $timeRemainingInYear;
1577 if ( $possibleTtls ) {
1578 $ttl = min( $possibleTtls );
1582 return $s;
1585 private static $GREG_DAYS = array( 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
1586 private static $IRANIAN_DAYS = array( 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29 );
1589 * Algorithm by Roozbeh Pournader and Mohammad Toossi to convert
1590 * Gregorian dates to Iranian dates. Originally written in C, it
1591 * is released under the terms of GNU Lesser General Public
1592 * License. Conversion to PHP was performed by Niklas Laxström.
1594 * Link: http://www.farsiweb.info/jalali/jalali.c
1596 * @param string $ts
1598 * @return string
1600 private static function tsToIranian( $ts ) {
1601 $gy = substr( $ts, 0, 4 ) -1600;
1602 $gm = substr( $ts, 4, 2 ) -1;
1603 $gd = substr( $ts, 6, 2 ) -1;
1605 # Days passed from the beginning (including leap years)
1606 $gDayNo = 365 * $gy
1607 + floor( ( $gy + 3 ) / 4 )
1608 - floor( ( $gy + 99 ) / 100 )
1609 + floor( ( $gy + 399 ) / 400 );
1611 // Add days of the past months of this year
1612 for ( $i = 0; $i < $gm; $i++ ) {
1613 $gDayNo += self::$GREG_DAYS[$i];
1616 // Leap years
1617 if ( $gm > 1 && ( ( $gy % 4 === 0 && $gy % 100 !== 0 || ( $gy % 400 == 0 ) ) ) ) {
1618 $gDayNo++;
1621 // Days passed in current month
1622 $gDayNo += (int)$gd;
1624 $jDayNo = $gDayNo - 79;
1626 $jNp = floor( $jDayNo / 12053 );
1627 $jDayNo %= 12053;
1629 $jy = 979 + 33 * $jNp + 4 * floor( $jDayNo / 1461 );
1630 $jDayNo %= 1461;
1632 if ( $jDayNo >= 366 ) {
1633 $jy += floor( ( $jDayNo - 1 ) / 365 );
1634 $jDayNo = floor( ( $jDayNo - 1 ) % 365 );
1637 for ( $i = 0; $i < 11 && $jDayNo >= self::$IRANIAN_DAYS[$i]; $i++ ) {
1638 $jDayNo -= self::$IRANIAN_DAYS[$i];
1641 $jm = $i + 1;
1642 $jd = $jDayNo + 1;
1644 return array( $jy, $jm, $jd );
1648 * Converting Gregorian dates to Hijri dates.
1650 * Based on a PHP-Nuke block by Sharjeel which is released under GNU/GPL license
1652 * @see http://phpnuke.org/modules.php?name=News&file=article&sid=8234&mode=thread&order=0&thold=0
1654 * @param string $ts
1656 * @return string
1658 private static function tsToHijri( $ts ) {
1659 $year = substr( $ts, 0, 4 );
1660 $month = substr( $ts, 4, 2 );
1661 $day = substr( $ts, 6, 2 );
1663 $zyr = $year;
1664 $zd = $day;
1665 $zm = $month;
1666 $zy = $zyr;
1668 if (
1669 ( $zy > 1582 ) || ( ( $zy == 1582 ) && ( $zm > 10 ) ) ||
1670 ( ( $zy == 1582 ) && ( $zm == 10 ) && ( $zd > 14 ) )
1672 $zjd = (int)( ( 1461 * ( $zy + 4800 + (int)( ( $zm - 14 ) / 12 ) ) ) / 4 ) +
1673 (int)( ( 367 * ( $zm - 2 - 12 * ( (int)( ( $zm - 14 ) / 12 ) ) ) ) / 12 ) -
1674 (int)( ( 3 * (int)( ( ( $zy + 4900 + (int)( ( $zm - 14 ) / 12 ) ) / 100 ) ) ) / 4 ) +
1675 $zd - 32075;
1676 } else {
1677 $zjd = 367 * $zy - (int)( ( 7 * ( $zy + 5001 + (int)( ( $zm - 9 ) / 7 ) ) ) / 4 ) +
1678 (int)( ( 275 * $zm ) / 9 ) + $zd + 1729777;
1681 $zl = $zjd -1948440 + 10632;
1682 $zn = (int)( ( $zl - 1 ) / 10631 );
1683 $zl = $zl - 10631 * $zn + 354;
1684 $zj = ( (int)( ( 10985 - $zl ) / 5316 ) ) * ( (int)( ( 50 * $zl ) / 17719 ) ) +
1685 ( (int)( $zl / 5670 ) ) * ( (int)( ( 43 * $zl ) / 15238 ) );
1686 $zl = $zl - ( (int)( ( 30 - $zj ) / 15 ) ) * ( (int)( ( 17719 * $zj ) / 50 ) ) -
1687 ( (int)( $zj / 16 ) ) * ( (int)( ( 15238 * $zj ) / 43 ) ) + 29;
1688 $zm = (int)( ( 24 * $zl ) / 709 );
1689 $zd = $zl - (int)( ( 709 * $zm ) / 24 );
1690 $zy = 30 * $zn + $zj - 30;
1692 return array( $zy, $zm, $zd );
1696 * Converting Gregorian dates to Hebrew dates.
1698 * Based on a JavaScript code by Abu Mami and Yisrael Hersch
1699 * (abu-mami@kaluach.net, http://www.kaluach.net), who permitted
1700 * to translate the relevant functions into PHP and release them under
1701 * GNU GPL.
1703 * The months are counted from Tishrei = 1. In a leap year, Adar I is 13
1704 * and Adar II is 14. In a non-leap year, Adar is 6.
1706 * @param string $ts
1708 * @return string
1710 private static function tsToHebrew( $ts ) {
1711 # Parse date
1712 $year = substr( $ts, 0, 4 );
1713 $month = substr( $ts, 4, 2 );
1714 $day = substr( $ts, 6, 2 );
1716 # Calculate Hebrew year
1717 $hebrewYear = $year + 3760;
1719 # Month number when September = 1, August = 12
1720 $month += 4;
1721 if ( $month > 12 ) {
1722 # Next year
1723 $month -= 12;
1724 $year++;
1725 $hebrewYear++;
1728 # Calculate day of year from 1 September
1729 $dayOfYear = $day;
1730 for ( $i = 1; $i < $month; $i++ ) {
1731 if ( $i == 6 ) {
1732 # February
1733 $dayOfYear += 28;
1734 # Check if the year is leap
1735 if ( $year % 400 == 0 || ( $year % 4 == 0 && $year % 100 > 0 ) ) {
1736 $dayOfYear++;
1738 } elseif ( $i == 8 || $i == 10 || $i == 1 || $i == 3 ) {
1739 $dayOfYear += 30;
1740 } else {
1741 $dayOfYear += 31;
1745 # Calculate the start of the Hebrew year
1746 $start = self::hebrewYearStart( $hebrewYear );
1748 # Calculate next year's start
1749 if ( $dayOfYear <= $start ) {
1750 # Day is before the start of the year - it is the previous year
1751 # Next year's start
1752 $nextStart = $start;
1753 # Previous year
1754 $year--;
1755 $hebrewYear--;
1756 # Add days since previous year's 1 September
1757 $dayOfYear += 365;
1758 if ( ( $year % 400 == 0 ) || ( $year % 100 != 0 && $year % 4 == 0 ) ) {
1759 # Leap year
1760 $dayOfYear++;
1762 # Start of the new (previous) year
1763 $start = self::hebrewYearStart( $hebrewYear );
1764 } else {
1765 # Next year's start
1766 $nextStart = self::hebrewYearStart( $hebrewYear + 1 );
1769 # Calculate Hebrew day of year
1770 $hebrewDayOfYear = $dayOfYear - $start;
1772 # Difference between year's days
1773 $diff = $nextStart - $start;
1774 # Add 12 (or 13 for leap years) days to ignore the difference between
1775 # Hebrew and Gregorian year (353 at least vs. 365/6) - now the
1776 # difference is only about the year type
1777 if ( ( $year % 400 == 0 ) || ( $year % 100 != 0 && $year % 4 == 0 ) ) {
1778 $diff += 13;
1779 } else {
1780 $diff += 12;
1783 # Check the year pattern, and is leap year
1784 # 0 means an incomplete year, 1 means a regular year, 2 means a complete year
1785 # This is mod 30, to work on both leap years (which add 30 days of Adar I)
1786 # and non-leap years
1787 $yearPattern = $diff % 30;
1788 # Check if leap year
1789 $isLeap = $diff >= 30;
1791 # Calculate day in the month from number of day in the Hebrew year
1792 # Don't check Adar - if the day is not in Adar, we will stop before;
1793 # if it is in Adar, we will use it to check if it is Adar I or Adar II
1794 $hebrewDay = $hebrewDayOfYear;
1795 $hebrewMonth = 1;
1796 $days = 0;
1797 while ( $hebrewMonth <= 12 ) {
1798 # Calculate days in this month
1799 if ( $isLeap && $hebrewMonth == 6 ) {
1800 # Adar in a leap year
1801 if ( $isLeap ) {
1802 # Leap year - has Adar I, with 30 days, and Adar II, with 29 days
1803 $days = 30;
1804 if ( $hebrewDay <= $days ) {
1805 # Day in Adar I
1806 $hebrewMonth = 13;
1807 } else {
1808 # Subtract the days of Adar I
1809 $hebrewDay -= $days;
1810 # Try Adar II
1811 $days = 29;
1812 if ( $hebrewDay <= $days ) {
1813 # Day in Adar II
1814 $hebrewMonth = 14;
1818 } elseif ( $hebrewMonth == 2 && $yearPattern == 2 ) {
1819 # Cheshvan in a complete year (otherwise as the rule below)
1820 $days = 30;
1821 } elseif ( $hebrewMonth == 3 && $yearPattern == 0 ) {
1822 # Kislev in an incomplete year (otherwise as the rule below)
1823 $days = 29;
1824 } else {
1825 # Odd months have 30 days, even have 29
1826 $days = 30 - ( $hebrewMonth - 1 ) % 2;
1828 if ( $hebrewDay <= $days ) {
1829 # In the current month
1830 break;
1831 } else {
1832 # Subtract the days of the current month
1833 $hebrewDay -= $days;
1834 # Try in the next month
1835 $hebrewMonth++;
1839 return array( $hebrewYear, $hebrewMonth, $hebrewDay, $days );
1843 * This calculates the Hebrew year start, as days since 1 September.
1844 * Based on Carl Friedrich Gauss algorithm for finding Easter date.
1845 * Used for Hebrew date.
1847 * @param int $year
1849 * @return string
1851 private static function hebrewYearStart( $year ) {
1852 $a = intval( ( 12 * ( $year - 1 ) + 17 ) % 19 );
1853 $b = intval( ( $year - 1 ) % 4 );
1854 $m = 32.044093161144 + 1.5542417966212 * $a + $b / 4.0 - 0.0031777940220923 * ( $year - 1 );
1855 if ( $m < 0 ) {
1856 $m--;
1858 $Mar = intval( $m );
1859 if ( $m < 0 ) {
1860 $m++;
1862 $m -= $Mar;
1864 $c = intval( ( $Mar + 3 * ( $year - 1 ) + 5 * $b + 5 ) % 7 );
1865 if ( $c == 0 && $a > 11 && $m >= 0.89772376543210 ) {
1866 $Mar++;
1867 } elseif ( $c == 1 && $a > 6 && $m >= 0.63287037037037 ) {
1868 $Mar += 2;
1869 } elseif ( $c == 2 || $c == 4 || $c == 6 ) {
1870 $Mar++;
1873 $Mar += intval( ( $year - 3761 ) / 100 ) - intval( ( $year - 3761 ) / 400 ) - 24;
1874 return $Mar;
1878 * Algorithm to convert Gregorian dates to Thai solar dates,
1879 * Minguo dates or Minguo dates.
1881 * Link: http://en.wikipedia.org/wiki/Thai_solar_calendar
1882 * http://en.wikipedia.org/wiki/Minguo_calendar
1883 * http://en.wikipedia.org/wiki/Japanese_era_name
1885 * @param string $ts 14-character timestamp
1886 * @param string $cName Calender name
1887 * @return array Converted year, month, day
1889 private static function tsToYear( $ts, $cName ) {
1890 $gy = substr( $ts, 0, 4 );
1891 $gm = substr( $ts, 4, 2 );
1892 $gd = substr( $ts, 6, 2 );
1894 if ( !strcmp( $cName, 'thai' ) ) {
1895 # Thai solar dates
1896 # Add 543 years to the Gregorian calendar
1897 # Months and days are identical
1898 $gy_offset = $gy + 543;
1899 } elseif ( ( !strcmp( $cName, 'minguo' ) ) || !strcmp( $cName, 'juche' ) ) {
1900 # Minguo dates
1901 # Deduct 1911 years from the Gregorian calendar
1902 # Months and days are identical
1903 $gy_offset = $gy - 1911;
1904 } elseif ( !strcmp( $cName, 'tenno' ) ) {
1905 # Nengō dates up to Meiji period
1906 # Deduct years from the Gregorian calendar
1907 # depending on the nengo periods
1908 # Months and days are identical
1909 if ( ( $gy < 1912 )
1910 || ( ( $gy == 1912 ) && ( $gm < 7 ) )
1911 || ( ( $gy == 1912 ) && ( $gm == 7 ) && ( $gd < 31 ) )
1913 # Meiji period
1914 $gy_gannen = $gy - 1868 + 1;
1915 $gy_offset = $gy_gannen;
1916 if ( $gy_gannen == 1 ) {
1917 $gy_offset = '元';
1919 $gy_offset = '明治' . $gy_offset;
1920 } elseif (
1921 ( ( $gy == 1912 ) && ( $gm == 7 ) && ( $gd == 31 ) ) ||
1922 ( ( $gy == 1912 ) && ( $gm >= 8 ) ) ||
1923 ( ( $gy > 1912 ) && ( $gy < 1926 ) ) ||
1924 ( ( $gy == 1926 ) && ( $gm < 12 ) ) ||
1925 ( ( $gy == 1926 ) && ( $gm == 12 ) && ( $gd < 26 ) )
1927 # Taishō period
1928 $gy_gannen = $gy - 1912 + 1;
1929 $gy_offset = $gy_gannen;
1930 if ( $gy_gannen == 1 ) {
1931 $gy_offset = '元';
1933 $gy_offset = '大正' . $gy_offset;
1934 } elseif (
1935 ( ( $gy == 1926 ) && ( $gm == 12 ) && ( $gd >= 26 ) ) ||
1936 ( ( $gy > 1926 ) && ( $gy < 1989 ) ) ||
1937 ( ( $gy == 1989 ) && ( $gm == 1 ) && ( $gd < 8 ) )
1939 # Shōwa period
1940 $gy_gannen = $gy - 1926 + 1;
1941 $gy_offset = $gy_gannen;
1942 if ( $gy_gannen == 1 ) {
1943 $gy_offset = '元';
1945 $gy_offset = '昭和' . $gy_offset;
1946 } else {
1947 # Heisei period
1948 $gy_gannen = $gy - 1989 + 1;
1949 $gy_offset = $gy_gannen;
1950 if ( $gy_gannen == 1 ) {
1951 $gy_offset = '元';
1953 $gy_offset = '平成' . $gy_offset;
1955 } else {
1956 $gy_offset = $gy;
1959 return array( $gy_offset, $gm, $gd );
1963 * Roman number formatting up to 10000
1965 * @param int $num
1967 * @return string
1969 static function romanNumeral( $num ) {
1970 static $table = array(
1971 array( '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX', 'X' ),
1972 array( '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', 'C' ),
1973 array( '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', 'M' ),
1974 array( '', 'M', 'MM', 'MMM', 'MMMM', 'MMMMM', 'MMMMMM', 'MMMMMMM',
1975 'MMMMMMMM', 'MMMMMMMMM', 'MMMMMMMMMM' )
1978 $num = intval( $num );
1979 if ( $num > 10000 || $num <= 0 ) {
1980 return $num;
1983 $s = '';
1984 for ( $pow10 = 1000, $i = 3; $i >= 0; $pow10 /= 10, $i-- ) {
1985 if ( $num >= $pow10 ) {
1986 $s .= $table[$i][(int)floor( $num / $pow10 )];
1988 $num = $num % $pow10;
1990 return $s;
1994 * Hebrew Gematria number formatting up to 9999
1996 * @param int $num
1998 * @return string
2000 static function hebrewNumeral( $num ) {
2001 static $table = array(
2002 array( '', 'א', 'ב', 'ג', 'ד', 'ה', 'ו', 'ז', 'ח', 'ט', 'י' ),
2003 array( '', 'י', 'כ', 'ל', 'מ', 'נ', 'ס', 'ע', 'פ', 'צ', 'ק' ),
2004 array( '', 'ק', 'ר', 'ש', 'ת', 'תק', 'תר', 'תש', 'תת', 'תתק', 'תתר' ),
2005 array( '', 'א', 'ב', 'ג', 'ד', 'ה', 'ו', 'ז', 'ח', 'ט', 'י' )
2008 $num = intval( $num );
2009 if ( $num > 9999 || $num <= 0 ) {
2010 return $num;
2013 $s = '';
2014 for ( $pow10 = 1000, $i = 3; $i >= 0; $pow10 /= 10, $i-- ) {
2015 if ( $num >= $pow10 ) {
2016 if ( $num == 15 || $num == 16 ) {
2017 $s .= $table[0][9] . $table[0][$num - 9];
2018 $num = 0;
2019 } else {
2020 $s .= $table[$i][intval( ( $num / $pow10 ) )];
2021 if ( $pow10 == 1000 ) {
2022 $s .= "'";
2026 $num = $num % $pow10;
2028 if ( strlen( $s ) == 2 ) {
2029 $str = $s . "'";
2030 } else {
2031 $str = substr( $s, 0, strlen( $s ) - 2 ) . '"';
2032 $str .= substr( $s, strlen( $s ) - 2, 2 );
2034 $start = substr( $str, 0, strlen( $str ) - 2 );
2035 $end = substr( $str, strlen( $str ) - 2 );
2036 switch ( $end ) {
2037 case 'כ':
2038 $str = $start . 'ך';
2039 break;
2040 case 'מ':
2041 $str = $start . 'ם';
2042 break;
2043 case 'נ':
2044 $str = $start . 'ן';
2045 break;
2046 case 'פ':
2047 $str = $start . 'ף';
2048 break;
2049 case 'צ':
2050 $str = $start . 'ץ';
2051 break;
2053 return $str;
2057 * Used by date() and time() to adjust the time output.
2059 * @param string $ts The time in date('YmdHis') format
2060 * @param mixed $tz Adjust the time by this amount (default false, mean we
2061 * get user timecorrection setting)
2062 * @return int
2064 function userAdjust( $ts, $tz = false ) {
2065 global $wgUser, $wgLocalTZoffset;
2067 if ( $tz === false ) {
2068 $tz = $wgUser->getOption( 'timecorrection' );
2071 $data = explode( '|', $tz, 3 );
2073 if ( $data[0] == 'ZoneInfo' ) {
2074 wfSuppressWarnings();
2075 $userTZ = timezone_open( $data[2] );
2076 wfRestoreWarnings();
2077 if ( $userTZ !== false ) {
2078 $date = date_create( $ts, timezone_open( 'UTC' ) );
2079 date_timezone_set( $date, $userTZ );
2080 $date = date_format( $date, 'YmdHis' );
2081 return $date;
2083 # Unrecognized timezone, default to 'Offset' with the stored offset.
2084 $data[0] = 'Offset';
2087 if ( $data[0] == 'System' || $tz == '' ) {
2088 # Global offset in minutes.
2089 $minDiff = $wgLocalTZoffset;
2090 } elseif ( $data[0] == 'Offset' ) {
2091 $minDiff = intval( $data[1] );
2092 } else {
2093 $data = explode( ':', $tz );
2094 if ( count( $data ) == 2 ) {
2095 $data[0] = intval( $data[0] );
2096 $data[1] = intval( $data[1] );
2097 $minDiff = abs( $data[0] ) * 60 + $data[1];
2098 if ( $data[0] < 0 ) {
2099 $minDiff = -$minDiff;
2101 } else {
2102 $minDiff = intval( $data[0] ) * 60;
2106 # No difference ? Return time unchanged
2107 if ( 0 == $minDiff ) {
2108 return $ts;
2111 wfSuppressWarnings(); // E_STRICT system time bitching
2112 # Generate an adjusted date; take advantage of the fact that mktime
2113 # will normalize out-of-range values so we don't have to split $minDiff
2114 # into hours and minutes.
2115 $t = mktime( (
2116 (int)substr( $ts, 8, 2 ) ), # Hours
2117 (int)substr( $ts, 10, 2 ) + $minDiff, # Minutes
2118 (int)substr( $ts, 12, 2 ), # Seconds
2119 (int)substr( $ts, 4, 2 ), # Month
2120 (int)substr( $ts, 6, 2 ), # Day
2121 (int)substr( $ts, 0, 4 ) ); # Year
2123 $date = date( 'YmdHis', $t );
2124 wfRestoreWarnings();
2126 return $date;
2130 * This is meant to be used by time(), date(), and timeanddate() to get
2131 * the date preference they're supposed to use, it should be used in
2132 * all children.
2134 *<code>
2135 * function timeanddate([...], $format = true) {
2136 * $datePreference = $this->dateFormat($format);
2137 * [...]
2139 *</code>
2141 * @param int|string|bool $usePrefs If true, the user's preference is used
2142 * if false, the site/language default is used
2143 * if int/string, assumed to be a format.
2144 * @return string
2146 function dateFormat( $usePrefs = true ) {
2147 global $wgUser;
2149 if ( is_bool( $usePrefs ) ) {
2150 if ( $usePrefs ) {
2151 $datePreference = $wgUser->getDatePreference();
2152 } else {
2153 $datePreference = (string)User::getDefaultOption( 'date' );
2155 } else {
2156 $datePreference = (string)$usePrefs;
2159 // return int
2160 if ( $datePreference == '' ) {
2161 return 'default';
2164 return $datePreference;
2168 * Get a format string for a given type and preference
2169 * @param string $type May be date, time or both
2170 * @param string $pref The format name as it appears in Messages*.php
2172 * @since 1.22 New type 'pretty' that provides a more readable timestamp format
2174 * @return string
2176 function getDateFormatString( $type, $pref ) {
2177 if ( !isset( $this->dateFormatStrings[$type][$pref] ) ) {
2178 if ( $pref == 'default' ) {
2179 $pref = $this->getDefaultDateFormat();
2180 $df = self::$dataCache->getSubitem( $this->mCode, 'dateFormats', "$pref $type" );
2181 } else {
2182 $df = self::$dataCache->getSubitem( $this->mCode, 'dateFormats', "$pref $type" );
2184 if ( $type === 'pretty' && $df === null ) {
2185 $df = $this->getDateFormatString( 'date', $pref );
2188 if ( $df === null ) {
2189 $pref = $this->getDefaultDateFormat();
2190 $df = self::$dataCache->getSubitem( $this->mCode, 'dateFormats', "$pref $type" );
2193 $this->dateFormatStrings[$type][$pref] = $df;
2195 return $this->dateFormatStrings[$type][$pref];
2199 * @param string $ts The time format which needs to be turned into a
2200 * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
2201 * @param bool $adj Whether to adjust the time output according to the
2202 * user configured offset ($timecorrection)
2203 * @param mixed $format True to use user's date format preference
2204 * @param string|bool $timecorrection The time offset as returned by
2205 * validateTimeZone() in Special:Preferences
2206 * @return string
2208 function date( $ts, $adj = false, $format = true, $timecorrection = false ) {
2209 $ts = wfTimestamp( TS_MW, $ts );
2210 if ( $adj ) {
2211 $ts = $this->userAdjust( $ts, $timecorrection );
2213 $df = $this->getDateFormatString( 'date', $this->dateFormat( $format ) );
2214 return $this->sprintfDate( $df, $ts );
2218 * @param string $ts The time format which needs to be turned into a
2219 * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
2220 * @param bool $adj Whether to adjust the time output according to the
2221 * user configured offset ($timecorrection)
2222 * @param mixed $format True to use user's date format preference
2223 * @param string|bool $timecorrection The time offset as returned by
2224 * validateTimeZone() in Special:Preferences
2225 * @return string
2227 function time( $ts, $adj = false, $format = true, $timecorrection = false ) {
2228 $ts = wfTimestamp( TS_MW, $ts );
2229 if ( $adj ) {
2230 $ts = $this->userAdjust( $ts, $timecorrection );
2232 $df = $this->getDateFormatString( 'time', $this->dateFormat( $format ) );
2233 return $this->sprintfDate( $df, $ts );
2237 * @param string $ts The time format which needs to be turned into a
2238 * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
2239 * @param bool $adj Whether to adjust the time output according to the
2240 * user configured offset ($timecorrection)
2241 * @param mixed $format What format to return, if it's false output the
2242 * default one (default true)
2243 * @param string|bool $timecorrection The time offset as returned by
2244 * validateTimeZone() in Special:Preferences
2245 * @return string
2247 function timeanddate( $ts, $adj = false, $format = true, $timecorrection = false ) {
2248 $ts = wfTimestamp( TS_MW, $ts );
2249 if ( $adj ) {
2250 $ts = $this->userAdjust( $ts, $timecorrection );
2252 $df = $this->getDateFormatString( 'both', $this->dateFormat( $format ) );
2253 return $this->sprintfDate( $df, $ts );
2257 * Takes a number of seconds and turns it into a text using values such as hours and minutes.
2259 * @since 1.20
2261 * @param int $seconds The amount of seconds.
2262 * @param array $chosenIntervals The intervals to enable.
2264 * @return string
2266 public function formatDuration( $seconds, array $chosenIntervals = array() ) {
2267 $intervals = $this->getDurationIntervals( $seconds, $chosenIntervals );
2269 $segments = array();
2271 foreach ( $intervals as $intervalName => $intervalValue ) {
2272 // Messages: duration-seconds, duration-minutes, duration-hours, duration-days, duration-weeks,
2273 // duration-years, duration-decades, duration-centuries, duration-millennia
2274 $message = wfMessage( 'duration-' . $intervalName )->numParams( $intervalValue );
2275 $segments[] = $message->inLanguage( $this )->escaped();
2278 return $this->listToText( $segments );
2282 * Takes a number of seconds and returns an array with a set of corresponding intervals.
2283 * For example 65 will be turned into array( minutes => 1, seconds => 5 ).
2285 * @since 1.20
2287 * @param int $seconds The amount of seconds.
2288 * @param array $chosenIntervals The intervals to enable.
2290 * @return array
2292 public function getDurationIntervals( $seconds, array $chosenIntervals = array() ) {
2293 if ( empty( $chosenIntervals ) ) {
2294 $chosenIntervals = array(
2295 'millennia',
2296 'centuries',
2297 'decades',
2298 'years',
2299 'days',
2300 'hours',
2301 'minutes',
2302 'seconds'
2306 $intervals = array_intersect_key( self::$durationIntervals, array_flip( $chosenIntervals ) );
2307 $sortedNames = array_keys( $intervals );
2308 $smallestInterval = array_pop( $sortedNames );
2310 $segments = array();
2312 foreach ( $intervals as $name => $length ) {
2313 $value = floor( $seconds / $length );
2315 if ( $value > 0 || ( $name == $smallestInterval && empty( $segments ) ) ) {
2316 $seconds -= $value * $length;
2317 $segments[$name] = $value;
2321 return $segments;
2325 * Internal helper function for userDate(), userTime() and userTimeAndDate()
2327 * @param string $type Can be 'date', 'time' or 'both'
2328 * @param string $ts The time format which needs to be turned into a
2329 * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
2330 * @param User $user User object used to get preferences for timezone and format
2331 * @param array $options Array, can contain the following keys:
2332 * - 'timecorrection': time correction, can have the following values:
2333 * - true: use user's preference
2334 * - false: don't use time correction
2335 * - int: value of time correction in minutes
2336 * - 'format': format to use, can have the following values:
2337 * - true: use user's preference
2338 * - false: use default preference
2339 * - string: format to use
2340 * @since 1.19
2341 * @return string
2343 private function internalUserTimeAndDate( $type, $ts, User $user, array $options ) {
2344 $ts = wfTimestamp( TS_MW, $ts );
2345 $options += array( 'timecorrection' => true, 'format' => true );
2346 if ( $options['timecorrection'] !== false ) {
2347 if ( $options['timecorrection'] === true ) {
2348 $offset = $user->getOption( 'timecorrection' );
2349 } else {
2350 $offset = $options['timecorrection'];
2352 $ts = $this->userAdjust( $ts, $offset );
2354 if ( $options['format'] === true ) {
2355 $format = $user->getDatePreference();
2356 } else {
2357 $format = $options['format'];
2359 $df = $this->getDateFormatString( $type, $this->dateFormat( $format ) );
2360 return $this->sprintfDate( $df, $ts );
2364 * Get the formatted date for the given timestamp and formatted for
2365 * the given user.
2367 * @param mixed $ts Mixed: the time format which needs to be turned into a
2368 * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
2369 * @param User $user User object used to get preferences for timezone and format
2370 * @param array $options Array, can contain the following keys:
2371 * - 'timecorrection': time correction, can have the following values:
2372 * - true: use user's preference
2373 * - false: don't use time correction
2374 * - int: value of time correction in minutes
2375 * - 'format': format to use, can have the following values:
2376 * - true: use user's preference
2377 * - false: use default preference
2378 * - string: format to use
2379 * @since 1.19
2380 * @return string
2382 public function userDate( $ts, User $user, array $options = array() ) {
2383 return $this->internalUserTimeAndDate( 'date', $ts, $user, $options );
2387 * Get the formatted time for the given timestamp and formatted for
2388 * the given user.
2390 * @param mixed $ts The time format which needs to be turned into a
2391 * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
2392 * @param User $user User object used to get preferences for timezone and format
2393 * @param array $options Array, can contain the following keys:
2394 * - 'timecorrection': time correction, can have the following values:
2395 * - true: use user's preference
2396 * - false: don't use time correction
2397 * - int: value of time correction in minutes
2398 * - 'format': format to use, can have the following values:
2399 * - true: use user's preference
2400 * - false: use default preference
2401 * - string: format to use
2402 * @since 1.19
2403 * @return string
2405 public function userTime( $ts, User $user, array $options = array() ) {
2406 return $this->internalUserTimeAndDate( 'time', $ts, $user, $options );
2410 * Get the formatted date and time for the given timestamp and formatted for
2411 * the given user.
2413 * @param mixed $ts The time format which needs to be turned into a
2414 * date('YmdHis') format with wfTimestamp(TS_MW,$ts)
2415 * @param User $user User object used to get preferences for timezone and format
2416 * @param array $options Array, can contain the following keys:
2417 * - 'timecorrection': time correction, can have the following values:
2418 * - true: use user's preference
2419 * - false: don't use time correction
2420 * - int: value of time correction in minutes
2421 * - 'format': format to use, can have the following values:
2422 * - true: use user's preference
2423 * - false: use default preference
2424 * - string: format to use
2425 * @since 1.19
2426 * @return string
2428 public function userTimeAndDate( $ts, User $user, array $options = array() ) {
2429 return $this->internalUserTimeAndDate( 'both', $ts, $user, $options );
2433 * Convert an MWTimestamp into a pretty human-readable timestamp using
2434 * the given user preferences and relative base time.
2436 * DO NOT USE THIS FUNCTION DIRECTLY. Instead, call MWTimestamp::getHumanTimestamp
2437 * on your timestamp object, which will then call this function. Calling
2438 * this function directly will cause hooks to be skipped over.
2440 * @see MWTimestamp::getHumanTimestamp
2441 * @param MWTimestamp $ts Timestamp to prettify
2442 * @param MWTimestamp $relativeTo Base timestamp
2443 * @param User $user User preferences to use
2444 * @return string Human timestamp
2445 * @since 1.22
2447 public function getHumanTimestamp( MWTimestamp $ts, MWTimestamp $relativeTo, User $user ) {
2448 $diff = $ts->diff( $relativeTo );
2449 $diffDay = (bool)( (int)$ts->timestamp->format( 'w' ) -
2450 (int)$relativeTo->timestamp->format( 'w' ) );
2451 $days = $diff->days ?: (int)$diffDay;
2452 if ( $diff->invert || $days > 5
2453 && $ts->timestamp->format( 'Y' ) !== $relativeTo->timestamp->format( 'Y' )
2455 // Timestamps are in different years: use full timestamp
2456 // Also do full timestamp for future dates
2458 * @todo FIXME: Add better handling of future timestamps.
2460 $format = $this->getDateFormatString( 'both', $user->getDatePreference() ?: 'default' );
2461 $ts = $this->sprintfDate( $format, $ts->getTimestamp( TS_MW ) );
2462 } elseif ( $days > 5 ) {
2463 // Timestamps are in same year, but more than 5 days ago: show day and month only.
2464 $format = $this->getDateFormatString( 'pretty', $user->getDatePreference() ?: 'default' );
2465 $ts = $this->sprintfDate( $format, $ts->getTimestamp( TS_MW ) );
2466 } elseif ( $days > 1 ) {
2467 // Timestamp within the past week: show the day of the week and time
2468 $format = $this->getDateFormatString( 'time', $user->getDatePreference() ?: 'default' );
2469 $weekday = self::$mWeekdayMsgs[$ts->timestamp->format( 'w' )];
2470 // Messages:
2471 // sunday-at, monday-at, tuesday-at, wednesday-at, thursday-at, friday-at, saturday-at
2472 $ts = wfMessage( "$weekday-at" )
2473 ->inLanguage( $this )
2474 ->params( $this->sprintfDate( $format, $ts->getTimestamp( TS_MW ) ) )
2475 ->text();
2476 } elseif ( $days == 1 ) {
2477 // Timestamp was yesterday: say 'yesterday' and the time.
2478 $format = $this->getDateFormatString( 'time', $user->getDatePreference() ?: 'default' );
2479 $ts = wfMessage( 'yesterday-at' )
2480 ->inLanguage( $this )
2481 ->params( $this->sprintfDate( $format, $ts->getTimestamp( TS_MW ) ) )
2482 ->text();
2483 } elseif ( $diff->h > 1 || $diff->h == 1 && $diff->i > 30 ) {
2484 // Timestamp was today, but more than 90 minutes ago: say 'today' and the time.
2485 $format = $this->getDateFormatString( 'time', $user->getDatePreference() ?: 'default' );
2486 $ts = wfMessage( 'today-at' )
2487 ->inLanguage( $this )
2488 ->params( $this->sprintfDate( $format, $ts->getTimestamp( TS_MW ) ) )
2489 ->text();
2491 // From here on in, the timestamp was soon enough ago so that we can simply say
2492 // XX units ago, e.g., "2 hours ago" or "5 minutes ago"
2493 } elseif ( $diff->h == 1 ) {
2494 // Less than 90 minutes, but more than an hour ago.
2495 $ts = wfMessage( 'hours-ago' )->inLanguage( $this )->numParams( 1 )->text();
2496 } elseif ( $diff->i >= 1 ) {
2497 // A few minutes ago.
2498 $ts = wfMessage( 'minutes-ago' )->inLanguage( $this )->numParams( $diff->i )->text();
2499 } elseif ( $diff->s >= 30 ) {
2500 // Less than a minute, but more than 30 sec ago.
2501 $ts = wfMessage( 'seconds-ago' )->inLanguage( $this )->numParams( $diff->s )->text();
2502 } else {
2503 // Less than 30 seconds ago.
2504 $ts = wfMessage( 'just-now' )->text();
2507 return $ts;
2511 * @param string $key
2512 * @return array|null
2514 function getMessage( $key ) {
2515 return self::$dataCache->getSubitem( $this->mCode, 'messages', $key );
2519 * @return array
2521 function getAllMessages() {
2522 return self::$dataCache->getItem( $this->mCode, 'messages' );
2526 * @param string $in
2527 * @param string $out
2528 * @param string $string
2529 * @return string
2531 function iconv( $in, $out, $string ) {
2532 # This is a wrapper for iconv in all languages except esperanto,
2533 # which does some nasty x-conversions beforehand
2535 # Even with //IGNORE iconv can whine about illegal characters in
2536 # *input* string. We just ignore those too.
2537 # REF: http://bugs.php.net/bug.php?id=37166
2538 # REF: https://bugzilla.wikimedia.org/show_bug.cgi?id=16885
2539 wfSuppressWarnings();
2540 $text = iconv( $in, $out . '//IGNORE', $string );
2541 wfRestoreWarnings();
2542 return $text;
2545 // callback functions for uc(), lc(), ucwords(), ucwordbreaks()
2548 * @param array $matches
2549 * @return mixed|string
2551 function ucwordbreaksCallbackAscii( $matches ) {
2552 return $this->ucfirst( $matches[1] );
2556 * @param array $matches
2557 * @return string
2559 function ucwordbreaksCallbackMB( $matches ) {
2560 return mb_strtoupper( $matches[0] );
2564 * @param array $matches
2565 * @return string
2567 function ucCallback( $matches ) {
2568 list( $wikiUpperChars ) = self::getCaseMaps();
2569 return strtr( $matches[1], $wikiUpperChars );
2573 * @param array $matches
2574 * @return string
2576 function lcCallback( $matches ) {
2577 list( , $wikiLowerChars ) = self::getCaseMaps();
2578 return strtr( $matches[1], $wikiLowerChars );
2582 * @param array $matches
2583 * @return string
2585 function ucwordsCallbackMB( $matches ) {
2586 return mb_strtoupper( $matches[0] );
2590 * @param array $matches
2591 * @return string
2593 function ucwordsCallbackWiki( $matches ) {
2594 list( $wikiUpperChars ) = self::getCaseMaps();
2595 return strtr( $matches[0], $wikiUpperChars );
2599 * Make a string's first character uppercase
2601 * @param string $str
2603 * @return string
2605 function ucfirst( $str ) {
2606 $o = ord( $str );
2607 if ( $o < 96 ) { // if already uppercase...
2608 return $str;
2609 } elseif ( $o < 128 ) {
2610 return ucfirst( $str ); // use PHP's ucfirst()
2611 } else {
2612 // fall back to more complex logic in case of multibyte strings
2613 return $this->uc( $str, true );
2618 * Convert a string to uppercase
2620 * @param string $str
2621 * @param bool $first
2623 * @return string
2625 function uc( $str, $first = false ) {
2626 if ( function_exists( 'mb_strtoupper' ) ) {
2627 if ( $first ) {
2628 if ( $this->isMultibyte( $str ) ) {
2629 return mb_strtoupper( mb_substr( $str, 0, 1 ) ) . mb_substr( $str, 1 );
2630 } else {
2631 return ucfirst( $str );
2633 } else {
2634 return $this->isMultibyte( $str ) ? mb_strtoupper( $str ) : strtoupper( $str );
2636 } else {
2637 if ( $this->isMultibyte( $str ) ) {
2638 $x = $first ? '^' : '';
2639 return preg_replace_callback(
2640 "/$x([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)/",
2641 array( $this, 'ucCallback' ),
2642 $str
2644 } else {
2645 return $first ? ucfirst( $str ) : strtoupper( $str );
2651 * @param string $str
2652 * @return mixed|string
2654 function lcfirst( $str ) {
2655 $o = ord( $str );
2656 if ( !$o ) {
2657 return strval( $str );
2658 } elseif ( $o >= 128 ) {
2659 return $this->lc( $str, true );
2660 } elseif ( $o > 96 ) {
2661 return $str;
2662 } else {
2663 $str[0] = strtolower( $str[0] );
2664 return $str;
2669 * @param string $str
2670 * @param bool $first
2671 * @return mixed|string
2673 function lc( $str, $first = false ) {
2674 if ( function_exists( 'mb_strtolower' ) ) {
2675 if ( $first ) {
2676 if ( $this->isMultibyte( $str ) ) {
2677 return mb_strtolower( mb_substr( $str, 0, 1 ) ) . mb_substr( $str, 1 );
2678 } else {
2679 return strtolower( substr( $str, 0, 1 ) ) . substr( $str, 1 );
2681 } else {
2682 return $this->isMultibyte( $str ) ? mb_strtolower( $str ) : strtolower( $str );
2684 } else {
2685 if ( $this->isMultibyte( $str ) ) {
2686 $x = $first ? '^' : '';
2687 return preg_replace_callback(
2688 "/$x([A-Z]|[\\xc0-\\xff][\\x80-\\xbf]*)/",
2689 array( $this, 'lcCallback' ),
2690 $str
2692 } else {
2693 return $first ? strtolower( substr( $str, 0, 1 ) ) . substr( $str, 1 ) : strtolower( $str );
2699 * @param string $str
2700 * @return bool
2702 function isMultibyte( $str ) {
2703 return (bool)preg_match( '/[\x80-\xff]/', $str );
2707 * @param string $str
2708 * @return mixed|string
2710 function ucwords( $str ) {
2711 if ( $this->isMultibyte( $str ) ) {
2712 $str = $this->lc( $str );
2714 // regexp to find first letter in each word (i.e. after each space)
2715 $replaceRegexp = "/^([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)| ([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)/";
2717 // function to use to capitalize a single char
2718 if ( function_exists( 'mb_strtoupper' ) ) {
2719 return preg_replace_callback(
2720 $replaceRegexp,
2721 array( $this, 'ucwordsCallbackMB' ),
2722 $str
2724 } else {
2725 return preg_replace_callback(
2726 $replaceRegexp,
2727 array( $this, 'ucwordsCallbackWiki' ),
2728 $str
2731 } else {
2732 return ucwords( strtolower( $str ) );
2737 * capitalize words at word breaks
2739 * @param string $str
2740 * @return mixed
2742 function ucwordbreaks( $str ) {
2743 if ( $this->isMultibyte( $str ) ) {
2744 $str = $this->lc( $str );
2746 // since \b doesn't work for UTF-8, we explicitely define word break chars
2747 $breaks = "[ \-\(\)\}\{\.,\?!]";
2749 // find first letter after word break
2750 $replaceRegexp = "/^([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)|" .
2751 "$breaks([a-z]|[\\xc0-\\xff][\\x80-\\xbf]*)/";
2753 if ( function_exists( 'mb_strtoupper' ) ) {
2754 return preg_replace_callback(
2755 $replaceRegexp,
2756 array( $this, 'ucwordbreaksCallbackMB' ),
2757 $str
2759 } else {
2760 return preg_replace_callback(
2761 $replaceRegexp,
2762 array( $this, 'ucwordsCallbackWiki' ),
2763 $str
2766 } else {
2767 return preg_replace_callback(
2768 '/\b([\w\x80-\xff]+)\b/',
2769 array( $this, 'ucwordbreaksCallbackAscii' ),
2770 $str
2776 * Return a case-folded representation of $s
2778 * This is a representation such that caseFold($s1)==caseFold($s2) if $s1
2779 * and $s2 are the same except for the case of their characters. It is not
2780 * necessary for the value returned to make sense when displayed.
2782 * Do *not* perform any other normalisation in this function. If a caller
2783 * uses this function when it should be using a more general normalisation
2784 * function, then fix the caller.
2786 * @param string $s
2788 * @return string
2790 function caseFold( $s ) {
2791 return $this->uc( $s );
2795 * @param string $s
2796 * @return string
2798 function checkTitleEncoding( $s ) {
2799 if ( is_array( $s ) ) {
2800 throw new MWException( 'Given array to checkTitleEncoding.' );
2802 if ( StringUtils::isUtf8( $s ) ) {
2803 return $s;
2806 return $this->iconv( $this->fallback8bitEncoding(), 'utf-8', $s );
2810 * @return array
2812 function fallback8bitEncoding() {
2813 return self::$dataCache->getItem( $this->mCode, 'fallback8bitEncoding' );
2817 * Most writing systems use whitespace to break up words.
2818 * Some languages such as Chinese don't conventionally do this,
2819 * which requires special handling when breaking up words for
2820 * searching etc.
2822 * @return bool
2824 function hasWordBreaks() {
2825 return true;
2829 * Some languages such as Chinese require word segmentation,
2830 * Specify such segmentation when overridden in derived class.
2832 * @param string $string
2833 * @return string
2835 function segmentByWord( $string ) {
2836 return $string;
2840 * Some languages have special punctuation need to be normalized.
2841 * Make such changes here.
2843 * @param string $string
2844 * @return string
2846 function normalizeForSearch( $string ) {
2847 return self::convertDoubleWidth( $string );
2851 * convert double-width roman characters to single-width.
2852 * range: ff00-ff5f ~= 0020-007f
2854 * @param string $string
2856 * @return string
2858 protected static function convertDoubleWidth( $string ) {
2859 static $full = null;
2860 static $half = null;
2862 if ( $full === null ) {
2863 $fullWidth = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
2864 $halfWidth = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
2865 $full = str_split( $fullWidth, 3 );
2866 $half = str_split( $halfWidth );
2869 $string = str_replace( $full, $half, $string );
2870 return $string;
2874 * @param string $string
2875 * @param string $pattern
2876 * @return string
2878 protected static function insertSpace( $string, $pattern ) {
2879 $string = preg_replace( $pattern, " $1 ", $string );
2880 $string = preg_replace( '/ +/', ' ', $string );
2881 return $string;
2885 * @param array $termsArray
2886 * @return array
2888 function convertForSearchResult( $termsArray ) {
2889 # some languages, e.g. Chinese, need to do a conversion
2890 # in order for search results to be displayed correctly
2891 return $termsArray;
2895 * Get the first character of a string.
2897 * @param string $s
2898 * @return string
2900 function firstChar( $s ) {
2901 $matches = array();
2902 preg_match(
2903 '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
2904 '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})/',
2906 $matches
2909 if ( isset( $matches[1] ) ) {
2910 if ( strlen( $matches[1] ) != 3 ) {
2911 return $matches[1];
2914 // Break down Hangul syllables to grab the first jamo
2915 $code = utf8ToCodepoint( $matches[1] );
2916 if ( $code < 0xac00 || 0xd7a4 <= $code ) {
2917 return $matches[1];
2918 } elseif ( $code < 0xb098 ) {
2919 return "\xe3\x84\xb1";
2920 } elseif ( $code < 0xb2e4 ) {
2921 return "\xe3\x84\xb4";
2922 } elseif ( $code < 0xb77c ) {
2923 return "\xe3\x84\xb7";
2924 } elseif ( $code < 0xb9c8 ) {
2925 return "\xe3\x84\xb9";
2926 } elseif ( $code < 0xbc14 ) {
2927 return "\xe3\x85\x81";
2928 } elseif ( $code < 0xc0ac ) {
2929 return "\xe3\x85\x82";
2930 } elseif ( $code < 0xc544 ) {
2931 return "\xe3\x85\x85";
2932 } elseif ( $code < 0xc790 ) {
2933 return "\xe3\x85\x87";
2934 } elseif ( $code < 0xcc28 ) {
2935 return "\xe3\x85\x88";
2936 } elseif ( $code < 0xce74 ) {
2937 return "\xe3\x85\x8a";
2938 } elseif ( $code < 0xd0c0 ) {
2939 return "\xe3\x85\x8b";
2940 } elseif ( $code < 0xd30c ) {
2941 return "\xe3\x85\x8c";
2942 } elseif ( $code < 0xd558 ) {
2943 return "\xe3\x85\x8d";
2944 } else {
2945 return "\xe3\x85\x8e";
2947 } else {
2948 return '';
2952 function initEncoding() {
2953 # Some languages may have an alternate char encoding option
2954 # (Esperanto X-coding, Japanese furigana conversion, etc)
2955 # If this language is used as the primary content language,
2956 # an override to the defaults can be set here on startup.
2960 * @param string $s
2961 * @return string
2963 function recodeForEdit( $s ) {
2964 # For some languages we'll want to explicitly specify
2965 # which characters make it into the edit box raw
2966 # or are converted in some way or another.
2967 global $wgEditEncoding;
2968 if ( $wgEditEncoding == '' || $wgEditEncoding == 'UTF-8' ) {
2969 return $s;
2970 } else {
2971 return $this->iconv( 'UTF-8', $wgEditEncoding, $s );
2976 * @param string $s
2977 * @return string
2979 function recodeInput( $s ) {
2980 # Take the previous into account.
2981 global $wgEditEncoding;
2982 if ( $wgEditEncoding != '' ) {
2983 $enc = $wgEditEncoding;
2984 } else {
2985 $enc = 'UTF-8';
2987 if ( $enc == 'UTF-8' ) {
2988 return $s;
2989 } else {
2990 return $this->iconv( $enc, 'UTF-8', $s );
2995 * Convert a UTF-8 string to normal form C. In Malayalam and Arabic, this
2996 * also cleans up certain backwards-compatible sequences, converting them
2997 * to the modern Unicode equivalent.
2999 * This is language-specific for performance reasons only.
3001 * @param string $s
3003 * @return string
3005 function normalize( $s ) {
3006 global $wgAllUnicodeFixes;
3007 $s = UtfNormal::cleanUp( $s );
3008 if ( $wgAllUnicodeFixes ) {
3009 $s = $this->transformUsingPairFile( 'normalize-ar.ser', $s );
3010 $s = $this->transformUsingPairFile( 'normalize-ml.ser', $s );
3013 return $s;
3017 * Transform a string using serialized data stored in the given file (which
3018 * must be in the serialized subdirectory of $IP). The file contains pairs
3019 * mapping source characters to destination characters.
3021 * The data is cached in process memory. This will go faster if you have the
3022 * FastStringSearch extension.
3024 * @param string $file
3025 * @param string $string
3027 * @throws MWException
3028 * @return string
3030 function transformUsingPairFile( $file, $string ) {
3031 if ( !isset( $this->transformData[$file] ) ) {
3032 $data = wfGetPrecompiledData( $file );
3033 if ( $data === false ) {
3034 throw new MWException( __METHOD__ . ": The transformation file $file is missing" );
3036 $this->transformData[$file] = new ReplacementArray( $data );
3038 return $this->transformData[$file]->replace( $string );
3042 * For right-to-left language support
3044 * @return bool
3046 function isRTL() {
3047 return self::$dataCache->getItem( $this->mCode, 'rtl' );
3051 * Return the correct HTML 'dir' attribute value for this language.
3052 * @return string
3054 function getDir() {
3055 return $this->isRTL() ? 'rtl' : 'ltr';
3059 * Return 'left' or 'right' as appropriate alignment for line-start
3060 * for this language's text direction.
3062 * Should be equivalent to CSS3 'start' text-align value....
3064 * @return string
3066 function alignStart() {
3067 return $this->isRTL() ? 'right' : 'left';
3071 * Return 'right' or 'left' as appropriate alignment for line-end
3072 * for this language's text direction.
3074 * Should be equivalent to CSS3 'end' text-align value....
3076 * @return string
3078 function alignEnd() {
3079 return $this->isRTL() ? 'left' : 'right';
3083 * A hidden direction mark (LRM or RLM), depending on the language direction.
3084 * Unlike getDirMark(), this function returns the character as an HTML entity.
3085 * This function should be used when the output is guaranteed to be HTML,
3086 * because it makes the output HTML source code more readable. When
3087 * the output is plain text or can be escaped, getDirMark() should be used.
3089 * @param bool $opposite Get the direction mark opposite to your language
3090 * @return string
3091 * @since 1.20
3093 function getDirMarkEntity( $opposite = false ) {
3094 if ( $opposite ) {
3095 return $this->isRTL() ? '&lrm;' : '&rlm;';
3097 return $this->isRTL() ? '&rlm;' : '&lrm;';
3101 * A hidden direction mark (LRM or RLM), depending on the language direction.
3102 * This function produces them as invisible Unicode characters and
3103 * the output may be hard to read and debug, so it should only be used
3104 * when the output is plain text or can be escaped. When the output is
3105 * HTML, use getDirMarkEntity() instead.
3107 * @param bool $opposite Get the direction mark opposite to your language
3108 * @return string
3110 function getDirMark( $opposite = false ) {
3111 $lrm = "\xE2\x80\x8E"; # LEFT-TO-RIGHT MARK, commonly abbreviated LRM
3112 $rlm = "\xE2\x80\x8F"; # RIGHT-TO-LEFT MARK, commonly abbreviated RLM
3113 if ( $opposite ) {
3114 return $this->isRTL() ? $lrm : $rlm;
3116 return $this->isRTL() ? $rlm : $lrm;
3120 * @return array
3122 function capitalizeAllNouns() {
3123 return self::$dataCache->getItem( $this->mCode, 'capitalizeAllNouns' );
3127 * An arrow, depending on the language direction.
3129 * @param string $direction The direction of the arrow: forwards (default),
3130 * backwards, left, right, up, down.
3131 * @return string
3133 function getArrow( $direction = 'forwards' ) {
3134 switch ( $direction ) {
3135 case 'forwards':
3136 return $this->isRTL() ? '←' : '→';
3137 case 'backwards':
3138 return $this->isRTL() ? '→' : '←';
3139 case 'left':
3140 return '←';
3141 case 'right':
3142 return '→';
3143 case 'up':
3144 return '↑';
3145 case 'down':
3146 return '↓';
3151 * To allow "foo[[bar]]" to extend the link over the whole word "foobar"
3153 * @return bool
3155 function linkPrefixExtension() {
3156 return self::$dataCache->getItem( $this->mCode, 'linkPrefixExtension' );
3160 * Get all magic words from cache.
3161 * @return array
3163 function getMagicWords() {
3164 return self::$dataCache->getItem( $this->mCode, 'magicWords' );
3168 * Run the LanguageGetMagic hook once.
3170 protected function doMagicHook() {
3171 if ( $this->mMagicHookDone ) {
3172 return;
3174 $this->mMagicHookDone = true;
3175 wfProfileIn( 'LanguageGetMagic' );
3176 Hooks::run( 'LanguageGetMagic', array( &$this->mMagicExtensions, $this->getCode() ) );
3177 wfProfileOut( 'LanguageGetMagic' );
3181 * Fill a MagicWord object with data from here
3183 * @param MagicWord $mw
3185 function getMagic( $mw ) {
3186 // Saves a function call
3187 if ( !$this->mMagicHookDone ) {
3188 $this->doMagicHook();
3191 if ( isset( $this->mMagicExtensions[$mw->mId] ) ) {
3192 $rawEntry = $this->mMagicExtensions[$mw->mId];
3193 } else {
3194 $rawEntry = self::$dataCache->getSubitem(
3195 $this->mCode, 'magicWords', $mw->mId );
3198 if ( !is_array( $rawEntry ) ) {
3199 wfWarn( "\"$rawEntry\" is not a valid magic word for \"$mw->mId\"" );
3200 } else {
3201 $mw->mCaseSensitive = $rawEntry[0];
3202 $mw->mSynonyms = array_slice( $rawEntry, 1 );
3207 * Add magic words to the extension array
3209 * @param array $newWords
3211 function addMagicWordsByLang( $newWords ) {
3212 $fallbackChain = $this->getFallbackLanguages();
3213 $fallbackChain = array_reverse( $fallbackChain );
3214 foreach ( $fallbackChain as $code ) {
3215 if ( isset( $newWords[$code] ) ) {
3216 $this->mMagicExtensions = $newWords[$code] + $this->mMagicExtensions;
3222 * Get special page names, as an associative array
3223 * canonical name => array of valid names, including aliases
3224 * @return array
3226 function getSpecialPageAliases() {
3227 // Cache aliases because it may be slow to load them
3228 if ( is_null( $this->mExtendedSpecialPageAliases ) ) {
3229 // Initialise array
3230 $this->mExtendedSpecialPageAliases =
3231 self::$dataCache->getItem( $this->mCode, 'specialPageAliases' );
3232 Hooks::run( 'LanguageGetSpecialPageAliases',
3233 array( &$this->mExtendedSpecialPageAliases, $this->getCode() ) );
3236 return $this->mExtendedSpecialPageAliases;
3240 * Italic is unsuitable for some languages
3242 * @param string $text The text to be emphasized.
3243 * @return string
3245 function emphasize( $text ) {
3246 return "<em>$text</em>";
3250 * Normally we output all numbers in plain en_US style, that is
3251 * 293,291.235 for twohundredninetythreethousand-twohundredninetyone
3252 * point twohundredthirtyfive. However this is not suitable for all
3253 * languages, some such as Punjabi want ੨੯੩,੨੯੫.੨੩੫ and others such as
3254 * Icelandic just want to use commas instead of dots, and dots instead
3255 * of commas like "293.291,235".
3257 * An example of this function being called:
3258 * <code>
3259 * wfMessage( 'message' )->numParams( $num )->text()
3260 * </code>
3262 * See $separatorTransformTable on MessageIs.php for
3263 * the , => . and . => , implementation.
3265 * @todo check if it's viable to use localeconv() for the decimal separator thing.
3266 * @param int|float $number The string to be formatted, should be an integer
3267 * or a floating point number.
3268 * @param bool $nocommafy Set to true for special numbers like dates
3269 * @return string
3271 public function formatNum( $number, $nocommafy = false ) {
3272 global $wgTranslateNumerals;
3273 if ( !$nocommafy ) {
3274 $number = $this->commafy( $number );
3275 $s = $this->separatorTransformTable();
3276 if ( $s ) {
3277 $number = strtr( $number, $s );
3281 if ( $wgTranslateNumerals ) {
3282 $s = $this->digitTransformTable();
3283 if ( $s ) {
3284 $number = strtr( $number, $s );
3288 return $number;
3292 * Front-end for non-commafied formatNum
3294 * @param int|float $number The string to be formatted, should be an integer
3295 * or a floating point number.
3296 * @since 1.21
3297 * @return string
3299 public function formatNumNoSeparators( $number ) {
3300 return $this->formatNum( $number, true );
3304 * @param string $number
3305 * @return string
3307 public function parseFormattedNumber( $number ) {
3308 $s = $this->digitTransformTable();
3309 if ( $s ) {
3310 // eliminate empty array values such as ''. (bug 64347)
3311 $s = array_filter( $s );
3312 $number = strtr( $number, array_flip( $s ) );
3315 $s = $this->separatorTransformTable();
3316 if ( $s ) {
3317 // eliminate empty array values such as ''. (bug 64347)
3318 $s = array_filter( $s );
3319 $number = strtr( $number, array_flip( $s ) );
3322 $number = strtr( $number, array( ',' => '' ) );
3323 return $number;
3327 * Adds commas to a given number
3328 * @since 1.19
3329 * @param mixed $number
3330 * @return string
3332 function commafy( $number ) {
3333 $digitGroupingPattern = $this->digitGroupingPattern();
3334 if ( $number === null ) {
3335 return '';
3338 if ( !$digitGroupingPattern || $digitGroupingPattern === "###,###,###" ) {
3339 // default grouping is at thousands, use the same for ###,###,### pattern too.
3340 return strrev( (string)preg_replace( '/(\d{3})(?=\d)(?!\d*\.)/', '$1,', strrev( $number ) ) );
3341 } else {
3342 // Ref: http://cldr.unicode.org/translation/number-patterns
3343 $sign = "";
3344 if ( intval( $number ) < 0 ) {
3345 // For negative numbers apply the algorithm like positive number and add sign.
3346 $sign = "-";
3347 $number = substr( $number, 1 );
3349 $integerPart = array();
3350 $decimalPart = array();
3351 $numMatches = preg_match_all( "/(#+)/", $digitGroupingPattern, $matches );
3352 preg_match( "/\d+/", $number, $integerPart );
3353 preg_match( "/\.\d*/", $number, $decimalPart );
3354 $groupedNumber = ( count( $decimalPart ) > 0 ) ? $decimalPart[0] : "";
3355 if ( $groupedNumber === $number ) {
3356 // the string does not have any number part. Eg: .12345
3357 return $sign . $groupedNumber;
3359 $start = $end = ($integerPart) ? strlen( $integerPart[0] ) : 0;
3360 while ( $start > 0 ) {
3361 $match = $matches[0][$numMatches - 1];
3362 $matchLen = strlen( $match );
3363 $start = $end - $matchLen;
3364 if ( $start < 0 ) {
3365 $start = 0;
3367 $groupedNumber = substr( $number, $start, $end -$start ) . $groupedNumber;
3368 $end = $start;
3369 if ( $numMatches > 1 ) {
3370 // use the last pattern for the rest of the number
3371 $numMatches--;
3373 if ( $start > 0 ) {
3374 $groupedNumber = "," . $groupedNumber;
3377 return $sign . $groupedNumber;
3382 * @return string
3384 function digitGroupingPattern() {
3385 return self::$dataCache->getItem( $this->mCode, 'digitGroupingPattern' );
3389 * @return array
3391 function digitTransformTable() {
3392 return self::$dataCache->getItem( $this->mCode, 'digitTransformTable' );
3396 * @return array
3398 function separatorTransformTable() {
3399 return self::$dataCache->getItem( $this->mCode, 'separatorTransformTable' );
3403 * Take a list of strings and build a locale-friendly comma-separated
3404 * list, using the local comma-separator message.
3405 * The last two strings are chained with an "and".
3406 * NOTE: This function will only work with standard numeric array keys (0, 1, 2…)
3408 * @param string[] $l
3409 * @return string
3411 function listToText( array $l ) {
3412 $m = count( $l ) - 1;
3413 if ( $m < 0 ) {
3414 return '';
3416 if ( $m > 0 ) {
3417 $and = $this->msg( 'and' )->escaped();
3418 $space = $this->msg( 'word-separator' )->escaped();
3419 if ( $m > 1 ) {
3420 $comma = $this->msg( 'comma-separator' )->escaped();
3423 $s = $l[$m];
3424 for ( $i = $m - 1; $i >= 0; $i-- ) {
3425 if ( $i == $m - 1 ) {
3426 $s = $l[$i] . $and . $space . $s;
3427 } else {
3428 $s = $l[$i] . $comma . $s;
3431 return $s;
3435 * Take a list of strings and build a locale-friendly comma-separated
3436 * list, using the local comma-separator message.
3437 * @param string[] $list Array of strings to put in a comma list
3438 * @return string
3440 function commaList( array $list ) {
3441 return implode(
3442 wfMessage( 'comma-separator' )->inLanguage( $this )->escaped(),
3443 $list
3448 * Take a list of strings and build a locale-friendly semicolon-separated
3449 * list, using the local semicolon-separator message.
3450 * @param string[] $list Array of strings to put in a semicolon list
3451 * @return string
3453 function semicolonList( array $list ) {
3454 return implode(
3455 wfMessage( 'semicolon-separator' )->inLanguage( $this )->escaped(),
3456 $list
3461 * Same as commaList, but separate it with the pipe instead.
3462 * @param string[] $list Array of strings to put in a pipe list
3463 * @return string
3465 function pipeList( array $list ) {
3466 return implode(
3467 wfMessage( 'pipe-separator' )->inLanguage( $this )->escaped(),
3468 $list
3473 * Truncate a string to a specified length in bytes, appending an optional
3474 * string (e.g. for ellipses)
3476 * The database offers limited byte lengths for some columns in the database;
3477 * multi-byte character sets mean we need to ensure that only whole characters
3478 * are included, otherwise broken characters can be passed to the user
3480 * If $length is negative, the string will be truncated from the beginning
3482 * @param string $string String to truncate
3483 * @param int $length Maximum length (including ellipses)
3484 * @param string $ellipsis String to append to the truncated text
3485 * @param bool $adjustLength Subtract length of ellipsis from $length.
3486 * $adjustLength was introduced in 1.18, before that behaved as if false.
3487 * @return string
3489 function truncate( $string, $length, $ellipsis = '...', $adjustLength = true ) {
3490 # Use the localized ellipsis character
3491 if ( $ellipsis == '...' ) {
3492 $ellipsis = wfMessage( 'ellipsis' )->inLanguage( $this )->escaped();
3494 # Check if there is no need to truncate
3495 if ( $length == 0 ) {
3496 return $ellipsis; // convention
3497 } elseif ( strlen( $string ) <= abs( $length ) ) {
3498 return $string; // no need to truncate
3500 $stringOriginal = $string;
3501 # If ellipsis length is >= $length then we can't apply $adjustLength
3502 if ( $adjustLength && strlen( $ellipsis ) >= abs( $length ) ) {
3503 $string = $ellipsis; // this can be slightly unexpected
3504 # Otherwise, truncate and add ellipsis...
3505 } else {
3506 $eLength = $adjustLength ? strlen( $ellipsis ) : 0;
3507 if ( $length > 0 ) {
3508 $length -= $eLength;
3509 $string = substr( $string, 0, $length ); // xyz...
3510 $string = $this->removeBadCharLast( $string );
3511 $string = rtrim( $string );
3512 $string = $string . $ellipsis;
3513 } else {
3514 $length += $eLength;
3515 $string = substr( $string, $length ); // ...xyz
3516 $string = $this->removeBadCharFirst( $string );
3517 $string = ltrim( $string );
3518 $string = $ellipsis . $string;
3521 # Do not truncate if the ellipsis makes the string longer/equal (bug 22181).
3522 # This check is *not* redundant if $adjustLength, due to the single case where
3523 # LEN($ellipsis) > ABS($limit arg); $stringOriginal could be shorter than $string.
3524 if ( strlen( $string ) < strlen( $stringOriginal ) ) {
3525 return $string;
3526 } else {
3527 return $stringOriginal;
3532 * Remove bytes that represent an incomplete Unicode character
3533 * at the end of string (e.g. bytes of the char are missing)
3535 * @param string $string
3536 * @return string
3538 protected function removeBadCharLast( $string ) {
3539 if ( $string != '' ) {
3540 $char = ord( $string[strlen( $string ) - 1] );
3541 $m = array();
3542 if ( $char >= 0xc0 ) {
3543 # We got the first byte only of a multibyte char; remove it.
3544 $string = substr( $string, 0, -1 );
3545 } elseif ( $char >= 0x80 &&
3546 preg_match( '/^(.*)(?:[\xe0-\xef][\x80-\xbf]|' .
3547 '[\xf0-\xf7][\x80-\xbf]{1,2})$/', $string, $m )
3549 # We chopped in the middle of a character; remove it
3550 $string = $m[1];
3553 return $string;
3557 * Remove bytes that represent an incomplete Unicode character
3558 * at the start of string (e.g. bytes of the char are missing)
3560 * @param string $string
3561 * @return string
3563 protected function removeBadCharFirst( $string ) {
3564 if ( $string != '' ) {
3565 $char = ord( $string[0] );
3566 if ( $char >= 0x80 && $char < 0xc0 ) {
3567 # We chopped in the middle of a character; remove the whole thing
3568 $string = preg_replace( '/^[\x80-\xbf]+/', '', $string );
3571 return $string;
3575 * Truncate a string of valid HTML to a specified length in bytes,
3576 * appending an optional string (e.g. for ellipses), and return valid HTML
3578 * This is only intended for styled/linked text, such as HTML with
3579 * tags like <span> and <a>, were the tags are self-contained (valid HTML).
3580 * Also, this will not detect things like "display:none" CSS.
3582 * Note: since 1.18 you do not need to leave extra room in $length for ellipses.
3584 * @param string $text HTML string to truncate
3585 * @param int $length (zero/positive) Maximum length (including ellipses)
3586 * @param string $ellipsis String to append to the truncated text
3587 * @return string
3589 function truncateHtml( $text, $length, $ellipsis = '...' ) {
3590 # Use the localized ellipsis character
3591 if ( $ellipsis == '...' ) {
3592 $ellipsis = wfMessage( 'ellipsis' )->inLanguage( $this )->escaped();
3594 # Check if there is clearly no need to truncate
3595 if ( $length <= 0 ) {
3596 return $ellipsis; // no text shown, nothing to format (convention)
3597 } elseif ( strlen( $text ) <= $length ) {
3598 return $text; // string short enough even *with* HTML (short-circuit)
3601 $dispLen = 0; // innerHTML legth so far
3602 $testingEllipsis = false; // checking if ellipses will make string longer/equal?
3603 $tagType = 0; // 0-open, 1-close
3604 $bracketState = 0; // 1-tag start, 2-tag name, 0-neither
3605 $entityState = 0; // 0-not entity, 1-entity
3606 $tag = $ret = ''; // accumulated tag name, accumulated result string
3607 $openTags = array(); // open tag stack
3608 $maybeState = null; // possible truncation state
3610 $textLen = strlen( $text );
3611 $neLength = max( 0, $length - strlen( $ellipsis ) ); // non-ellipsis len if truncated
3612 for ( $pos = 0; true; ++$pos ) {
3613 # Consider truncation once the display length has reached the maximim.
3614 # We check if $dispLen > 0 to grab tags for the $neLength = 0 case.
3615 # Check that we're not in the middle of a bracket/entity...
3616 if ( $dispLen && $dispLen >= $neLength && $bracketState == 0 && !$entityState ) {
3617 if ( !$testingEllipsis ) {
3618 $testingEllipsis = true;
3619 # Save where we are; we will truncate here unless there turn out to
3620 # be so few remaining characters that truncation is not necessary.
3621 if ( !$maybeState ) { // already saved? ($neLength = 0 case)
3622 $maybeState = array( $ret, $openTags ); // save state
3624 } elseif ( $dispLen > $length && $dispLen > strlen( $ellipsis ) ) {
3625 # String in fact does need truncation, the truncation point was OK.
3626 list( $ret, $openTags ) = $maybeState; // reload state
3627 $ret = $this->removeBadCharLast( $ret ); // multi-byte char fix
3628 $ret .= $ellipsis; // add ellipsis
3629 break;
3632 if ( $pos >= $textLen ) {
3633 break; // extra iteration just for above checks
3636 # Read the next char...
3637 $ch = $text[$pos];
3638 $lastCh = $pos ? $text[$pos - 1] : '';
3639 $ret .= $ch; // add to result string
3640 if ( $ch == '<' ) {
3641 $this->truncate_endBracket( $tag, $tagType, $lastCh, $openTags ); // for bad HTML
3642 $entityState = 0; // for bad HTML
3643 $bracketState = 1; // tag started (checking for backslash)
3644 } elseif ( $ch == '>' ) {
3645 $this->truncate_endBracket( $tag, $tagType, $lastCh, $openTags );
3646 $entityState = 0; // for bad HTML
3647 $bracketState = 0; // out of brackets
3648 } elseif ( $bracketState == 1 ) {
3649 if ( $ch == '/' ) {
3650 $tagType = 1; // close tag (e.g. "</span>")
3651 } else {
3652 $tagType = 0; // open tag (e.g. "<span>")
3653 $tag .= $ch;
3655 $bracketState = 2; // building tag name
3656 } elseif ( $bracketState == 2 ) {
3657 if ( $ch != ' ' ) {
3658 $tag .= $ch;
3659 } else {
3660 // Name found (e.g. "<a href=..."), add on tag attributes...
3661 $pos += $this->truncate_skip( $ret, $text, "<>", $pos + 1 );
3663 } elseif ( $bracketState == 0 ) {
3664 if ( $entityState ) {
3665 if ( $ch == ';' ) {
3666 $entityState = 0;
3667 $dispLen++; // entity is one displayed char
3669 } else {
3670 if ( $neLength == 0 && !$maybeState ) {
3671 // Save state without $ch. We want to *hit* the first
3672 // display char (to get tags) but not *use* it if truncating.
3673 $maybeState = array( substr( $ret, 0, -1 ), $openTags );
3675 if ( $ch == '&' ) {
3676 $entityState = 1; // entity found, (e.g. "&#160;")
3677 } else {
3678 $dispLen++; // this char is displayed
3679 // Add the next $max display text chars after this in one swoop...
3680 $max = ( $testingEllipsis ? $length : $neLength ) - $dispLen;
3681 $skipped = $this->truncate_skip( $ret, $text, "<>&", $pos + 1, $max );
3682 $dispLen += $skipped;
3683 $pos += $skipped;
3688 // Close the last tag if left unclosed by bad HTML
3689 $this->truncate_endBracket( $tag, $text[$textLen - 1], $tagType, $openTags );
3690 while ( count( $openTags ) > 0 ) {
3691 $ret .= '</' . array_pop( $openTags ) . '>'; // close open tags
3693 return $ret;
3697 * truncateHtml() helper function
3698 * like strcspn() but adds the skipped chars to $ret
3700 * @param string $ret
3701 * @param string $text
3702 * @param string $search
3703 * @param int $start
3704 * @param null|int $len
3705 * @return int
3707 private function truncate_skip( &$ret, $text, $search, $start, $len = null ) {
3708 if ( $len === null ) {
3709 $len = -1; // -1 means "no limit" for strcspn
3710 } elseif ( $len < 0 ) {
3711 $len = 0; // sanity
3713 $skipCount = 0;
3714 if ( $start < strlen( $text ) ) {
3715 $skipCount = strcspn( $text, $search, $start, $len );
3716 $ret .= substr( $text, $start, $skipCount );
3718 return $skipCount;
3722 * truncateHtml() helper function
3723 * (a) push or pop $tag from $openTags as needed
3724 * (b) clear $tag value
3725 * @param string &$tag Current HTML tag name we are looking at
3726 * @param int $tagType (0-open tag, 1-close tag)
3727 * @param string $lastCh Character before the '>' that ended this tag
3728 * @param array &$openTags Open tag stack (not accounting for $tag)
3730 private function truncate_endBracket( &$tag, $tagType, $lastCh, &$openTags ) {
3731 $tag = ltrim( $tag );
3732 if ( $tag != '' ) {
3733 if ( $tagType == 0 && $lastCh != '/' ) {
3734 $openTags[] = $tag; // tag opened (didn't close itself)
3735 } elseif ( $tagType == 1 ) {
3736 if ( $openTags && $tag == $openTags[count( $openTags ) - 1] ) {
3737 array_pop( $openTags ); // tag closed
3740 $tag = '';
3745 * Grammatical transformations, needed for inflected languages
3746 * Invoked by putting {{grammar:case|word}} in a message
3748 * @param string $word
3749 * @param string $case
3750 * @return string
3752 function convertGrammar( $word, $case ) {
3753 global $wgGrammarForms;
3754 if ( isset( $wgGrammarForms[$this->getCode()][$case][$word] ) ) {
3755 return $wgGrammarForms[$this->getCode()][$case][$word];
3758 return $word;
3761 * Get the grammar forms for the content language
3762 * @return array Array of grammar forms
3763 * @since 1.20
3765 function getGrammarForms() {
3766 global $wgGrammarForms;
3767 if ( isset( $wgGrammarForms[$this->getCode()] )
3768 && is_array( $wgGrammarForms[$this->getCode()] )
3770 return $wgGrammarForms[$this->getCode()];
3773 return array();
3776 * Provides an alternative text depending on specified gender.
3777 * Usage {{gender:username|masculine|feminine|unknown}}.
3778 * username is optional, in which case the gender of current user is used,
3779 * but only in (some) interface messages; otherwise default gender is used.
3781 * If no forms are given, an empty string is returned. If only one form is
3782 * given, it will be returned unconditionally. These details are implied by
3783 * the caller and cannot be overridden in subclasses.
3785 * If three forms are given, the default is to use the third (unknown) form.
3786 * If fewer than three forms are given, the default is to use the first (masculine) form.
3787 * These details can be overridden in subclasses.
3789 * @param string $gender
3790 * @param array $forms
3792 * @return string
3794 function gender( $gender, $forms ) {
3795 if ( !count( $forms ) ) {
3796 return '';
3798 $forms = $this->preConvertPlural( $forms, 2 );
3799 if ( $gender === 'male' ) {
3800 return $forms[0];
3802 if ( $gender === 'female' ) {
3803 return $forms[1];
3805 return isset( $forms[2] ) ? $forms[2] : $forms[0];
3809 * Plural form transformations, needed for some languages.
3810 * For example, there are 3 form of plural in Russian and Polish,
3811 * depending on "count mod 10". See [[w:Plural]]
3812 * For English it is pretty simple.
3814 * Invoked by putting {{plural:count|wordform1|wordform2}}
3815 * or {{plural:count|wordform1|wordform2|wordform3}}
3817 * Example: {{plural:{{NUMBEROFARTICLES}}|article|articles}}
3819 * @param int $count Non-localized number
3820 * @param array $forms Different plural forms
3821 * @return string Correct form of plural for $count in this language
3823 function convertPlural( $count, $forms ) {
3824 // Handle explicit n=pluralform cases
3825 $forms = $this->handleExplicitPluralForms( $count, $forms );
3826 if ( is_string( $forms ) ) {
3827 return $forms;
3829 if ( !count( $forms ) ) {
3830 return '';
3833 $pluralForm = $this->getPluralRuleIndexNumber( $count );
3834 $pluralForm = min( $pluralForm, count( $forms ) - 1 );
3835 return $forms[$pluralForm];
3839 * Handles explicit plural forms for Language::convertPlural()
3841 * In {{PLURAL:$1|0=nothing|one|many}}, 0=nothing will be returned if $1 equals zero.
3842 * If an explicitly defined plural form matches the $count, then
3843 * string value returned, otherwise array returned for further consideration
3844 * by CLDR rules or overridden convertPlural().
3846 * @since 1.23
3848 * @param int $count Non-localized number
3849 * @param array $forms Different plural forms
3851 * @return array|string
3853 protected function handleExplicitPluralForms( $count, array $forms ) {
3854 foreach ( $forms as $index => $form ) {
3855 if ( preg_match( '/\d+=/i', $form ) ) {
3856 $pos = strpos( $form, '=' );
3857 if ( substr( $form, 0, $pos ) === (string)$count ) {
3858 return substr( $form, $pos + 1 );
3860 unset( $forms[$index] );
3863 return array_values( $forms );
3867 * Checks that convertPlural was given an array and pads it to requested
3868 * amount of forms by copying the last one.
3870 * @param array $forms Array of forms given to convertPlural
3871 * @param int $count How many forms should there be at least
3872 * @return array Padded array of forms or an exception if not an array
3874 protected function preConvertPlural( /* Array */ $forms, $count ) {
3875 while ( count( $forms ) < $count ) {
3876 $forms[] = $forms[count( $forms ) - 1];
3878 return $forms;
3882 * @todo Maybe translate block durations. Note that this function is somewhat misnamed: it
3883 * deals with translating the *duration* ("1 week", "4 days", etc), not the expiry time
3884 * (which is an absolute timestamp). Please note: do NOT add this blindly, as it is used
3885 * on old expiry lengths recorded in log entries. You'd need to provide the start date to
3886 * match up with it.
3888 * @param string $str The validated block duration in English
3889 * @return string Somehow translated block duration
3890 * @see LanguageFi.php for example implementation
3892 function translateBlockExpiry( $str ) {
3893 $duration = SpecialBlock::getSuggestedDurations( $this );
3894 foreach ( $duration as $show => $value ) {
3895 if ( strcmp( $str, $value ) == 0 ) {
3896 return htmlspecialchars( trim( $show ) );
3900 // Since usually only infinite or indefinite is only on list, so try
3901 // equivalents if still here.
3902 $indefs = array( 'infinite', 'infinity', 'indefinite' );
3903 if ( in_array( $str, $indefs ) ) {
3904 foreach ( $indefs as $val ) {
3905 $show = array_search( $val, $duration, true );
3906 if ( $show !== false ) {
3907 return htmlspecialchars( trim( $show ) );
3912 // If all else fails, return a standard duration or timestamp description.
3913 $time = strtotime( $str, 0 );
3914 if ( $time === false ) { // Unknown format. Return it as-is in case.
3915 return $str;
3916 } elseif ( $time !== strtotime( $str, 1 ) ) { // It's a relative timestamp.
3917 // $time is relative to 0 so it's a duration length.
3918 return $this->formatDuration( $time );
3919 } else { // It's an absolute timestamp.
3920 if ( $time === 0 ) {
3921 // wfTimestamp() handles 0 as current time instead of epoch.
3922 return $this->timeanddate( '19700101000000' );
3923 } else {
3924 return $this->timeanddate( $time );
3930 * languages like Chinese need to be segmented in order for the diff
3931 * to be of any use
3933 * @param string $text
3934 * @return string
3936 public function segmentForDiff( $text ) {
3937 return $text;
3941 * and unsegment to show the result
3943 * @param string $text
3944 * @return string
3946 public function unsegmentForDiff( $text ) {
3947 return $text;
3951 * Return the LanguageConverter used in the Language
3953 * @since 1.19
3954 * @return LanguageConverter
3956 public function getConverter() {
3957 return $this->mConverter;
3961 * convert text to all supported variants
3963 * @param string $text
3964 * @return array
3966 public function autoConvertToAllVariants( $text ) {
3967 return $this->mConverter->autoConvertToAllVariants( $text );
3971 * convert text to different variants of a language.
3973 * @param string $text
3974 * @return string
3976 public function convert( $text ) {
3977 return $this->mConverter->convert( $text );
3981 * Convert a Title object to a string in the preferred variant
3983 * @param Title $title
3984 * @return string
3986 public function convertTitle( $title ) {
3987 return $this->mConverter->convertTitle( $title );
3991 * Convert a namespace index to a string in the preferred variant
3993 * @param int $ns
3994 * @return string
3996 public function convertNamespace( $ns ) {
3997 return $this->mConverter->convertNamespace( $ns );
4001 * Check if this is a language with variants
4003 * @return bool
4005 public function hasVariants() {
4006 return count( $this->getVariants() ) > 1;
4010 * Check if the language has the specific variant
4012 * @since 1.19
4013 * @param string $variant
4014 * @return bool
4016 public function hasVariant( $variant ) {
4017 return (bool)$this->mConverter->validateVariant( $variant );
4021 * Put custom tags (e.g. -{ }-) around math to prevent conversion
4023 * @param string $text
4024 * @return string
4025 * @deprecated since 1.22 is no longer used
4027 public function armourMath( $text ) {
4028 return $this->mConverter->armourMath( $text );
4032 * Perform output conversion on a string, and encode for safe HTML output.
4033 * @param string $text Text to be converted
4034 * @param bool $isTitle Whether this conversion is for the article title
4035 * @return string
4036 * @todo this should get integrated somewhere sane
4038 public function convertHtml( $text, $isTitle = false ) {
4039 return htmlspecialchars( $this->convert( $text, $isTitle ) );
4043 * @param string $key
4044 * @return string
4046 public function convertCategoryKey( $key ) {
4047 return $this->mConverter->convertCategoryKey( $key );
4051 * Get the list of variants supported by this language
4052 * see sample implementation in LanguageZh.php
4054 * @return array An array of language codes
4056 public function getVariants() {
4057 return $this->mConverter->getVariants();
4061 * @return string
4063 public function getPreferredVariant() {
4064 return $this->mConverter->getPreferredVariant();
4068 * @return string
4070 public function getDefaultVariant() {
4071 return $this->mConverter->getDefaultVariant();
4075 * @return string
4077 public function getURLVariant() {
4078 return $this->mConverter->getURLVariant();
4082 * If a language supports multiple variants, it is
4083 * possible that non-existing link in one variant
4084 * actually exists in another variant. this function
4085 * tries to find it. See e.g. LanguageZh.php
4086 * The input parameters may be modified upon return
4088 * @param string &$link The name of the link
4089 * @param Title &$nt The title object of the link
4090 * @param bool $ignoreOtherCond To disable other conditions when
4091 * we need to transclude a template or update a category's link
4093 public function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
4094 $this->mConverter->findVariantLink( $link, $nt, $ignoreOtherCond );
4098 * returns language specific options used by User::getPageRenderHash()
4099 * for example, the preferred language variant
4101 * @return string
4103 function getExtraHashOptions() {
4104 return $this->mConverter->getExtraHashOptions();
4108 * For languages that support multiple variants, the title of an
4109 * article may be displayed differently in different variants. this
4110 * function returns the apporiate title defined in the body of the article.
4112 * @return string
4114 public function getParsedTitle() {
4115 return $this->mConverter->getParsedTitle();
4119 * Prepare external link text for conversion. When the text is
4120 * a URL, it shouldn't be converted, and it'll be wrapped in
4121 * the "raw" tag (-{R| }-) to prevent conversion.
4123 * This function is called "markNoConversion" for historical
4124 * reasons.
4126 * @param string $text Text to be used for external link
4127 * @param bool $noParse Wrap it without confirming it's a real URL first
4128 * @return string The tagged text
4130 public function markNoConversion( $text, $noParse = false ) {
4131 // Excluding protocal-relative URLs may avoid many false positives.
4132 if ( $noParse || preg_match( '/^(?:' . wfUrlProtocolsWithoutProtRel() . ')/', $text ) ) {
4133 return $this->mConverter->markNoConversion( $text );
4134 } else {
4135 return $text;
4140 * A regular expression to match legal word-trailing characters
4141 * which should be merged onto a link of the form [[foo]]bar.
4143 * @return string
4145 public function linkTrail() {
4146 return self::$dataCache->getItem( $this->mCode, 'linkTrail' );
4150 * A regular expression character set to match legal word-prefixing
4151 * characters which should be merged onto a link of the form foo[[bar]].
4153 * @return string
4155 public function linkPrefixCharset() {
4156 return self::$dataCache->getItem( $this->mCode, 'linkPrefixCharset' );
4160 * @deprecated since 1.24, will be removed in 1.25
4161 * @return Language
4163 function getLangObj() {
4164 wfDeprecated( __METHOD__, '1.24' );
4165 return $this;
4169 * Get the "parent" language which has a converter to convert a "compatible" language
4170 * (in another variant) to this language (eg. zh for zh-cn, but not en for en-gb).
4172 * @return Language|null
4173 * @since 1.22
4175 public function getParentLanguage() {
4176 if ( $this->mParentLanguage !== false ) {
4177 return $this->mParentLanguage;
4180 $pieces = explode( '-', $this->getCode() );
4181 $code = $pieces[0];
4182 if ( !in_array( $code, LanguageConverter::$languagesWithVariants ) ) {
4183 $this->mParentLanguage = null;
4184 return null;
4186 $lang = Language::factory( $code );
4187 if ( !$lang->hasVariant( $this->getCode() ) ) {
4188 $this->mParentLanguage = null;
4189 return null;
4192 $this->mParentLanguage = $lang;
4193 return $lang;
4197 * Get the RFC 3066 code for this language object
4199 * NOTE: The return value of this function is NOT HTML-safe and must be escaped with
4200 * htmlspecialchars() or similar
4202 * @return string
4204 public function getCode() {
4205 return $this->mCode;
4209 * Get the code in Bcp47 format which we can use
4210 * inside of html lang="" tags.
4212 * NOTE: The return value of this function is NOT HTML-safe and must be escaped with
4213 * htmlspecialchars() or similar.
4215 * @since 1.19
4216 * @return string
4218 public function getHtmlCode() {
4219 if ( is_null( $this->mHtmlCode ) ) {
4220 $this->mHtmlCode = wfBCP47( $this->getCode() );
4222 return $this->mHtmlCode;
4226 * @param string $code
4228 public function setCode( $code ) {
4229 $this->mCode = $code;
4230 // Ensure we don't leave incorrect cached data lying around
4231 $this->mHtmlCode = null;
4232 $this->mParentLanguage = false;
4236 * Get the name of a file for a certain language code
4237 * @param string $prefix Prepend this to the filename
4238 * @param string $code Language code
4239 * @param string $suffix Append this to the filename
4240 * @throws MWException
4241 * @return string $prefix . $mangledCode . $suffix
4243 public static function getFileName( $prefix = 'Language', $code, $suffix = '.php' ) {
4244 if ( !self::isValidBuiltInCode( $code ) ) {
4245 throw new MWException( "Invalid language code \"$code\"" );
4248 return $prefix . str_replace( '-', '_', ucfirst( $code ) ) . $suffix;
4252 * Get the language code from a file name. Inverse of getFileName()
4253 * @param string $filename $prefix . $languageCode . $suffix
4254 * @param string $prefix Prefix before the language code
4255 * @param string $suffix Suffix after the language code
4256 * @return string Language code, or false if $prefix or $suffix isn't found
4258 public static function getCodeFromFileName( $filename, $prefix = 'Language', $suffix = '.php' ) {
4259 $m = null;
4260 preg_match( '/' . preg_quote( $prefix, '/' ) . '([A-Z][a-z_]+)' .
4261 preg_quote( $suffix, '/' ) . '/', $filename, $m );
4262 if ( !count( $m ) ) {
4263 return false;
4265 return str_replace( '_', '-', strtolower( $m[1] ) );
4269 * @param string $code
4270 * @return string
4272 public static function getMessagesFileName( $code ) {
4273 global $IP;
4274 $file = self::getFileName( "$IP/languages/messages/Messages", $code, '.php' );
4275 Hooks::run( 'Language::getMessagesFileName', array( $code, &$file ) );
4276 return $file;
4280 * @param string $code
4281 * @return string
4282 * @since 1.23
4284 public static function getJsonMessagesFileName( $code ) {
4285 global $IP;
4287 if ( !self::isValidBuiltInCode( $code ) ) {
4288 throw new MWException( "Invalid language code \"$code\"" );
4291 return "$IP/languages/i18n/$code.json";
4295 * @param string $code
4296 * @return string
4298 public static function getClassFileName( $code ) {
4299 global $IP;
4300 return self::getFileName( "$IP/languages/classes/Language", $code, '.php' );
4304 * Get the first fallback for a given language.
4306 * @param string $code
4308 * @return bool|string
4310 public static function getFallbackFor( $code ) {
4311 if ( $code === 'en' || !Language::isValidBuiltInCode( $code ) ) {
4312 return false;
4313 } else {
4314 $fallbacks = self::getFallbacksFor( $code );
4315 $first = array_shift( $fallbacks );
4316 return $first;
4321 * Get the ordered list of fallback languages.
4323 * @since 1.19
4324 * @param string $code Language code
4325 * @return array
4327 public static function getFallbacksFor( $code ) {
4328 if ( $code === 'en' || !Language::isValidBuiltInCode( $code ) ) {
4329 return array();
4330 } else {
4331 $v = self::getLocalisationCache()->getItem( $code, 'fallback' );
4332 $v = array_map( 'trim', explode( ',', $v ) );
4333 if ( $v[count( $v ) - 1] !== 'en' ) {
4334 $v[] = 'en';
4336 return $v;
4341 * Get the ordered list of fallback languages, ending with the fallback
4342 * language chain for the site language.
4344 * @since 1.22
4345 * @param string $code Language code
4346 * @return array Array( fallbacks, site fallbacks )
4348 public static function getFallbacksIncludingSiteLanguage( $code ) {
4349 global $wgLanguageCode;
4351 // Usually, we will only store a tiny number of fallback chains, so we
4352 // keep them in static memory.
4353 $cacheKey = "{$code}-{$wgLanguageCode}";
4355 if ( !array_key_exists( $cacheKey, self::$fallbackLanguageCache ) ) {
4356 $fallbacks = self::getFallbacksFor( $code );
4358 // Append the site's fallback chain, including the site language itself
4359 $siteFallbacks = self::getFallbacksFor( $wgLanguageCode );
4360 array_unshift( $siteFallbacks, $wgLanguageCode );
4362 // Eliminate any languages already included in the chain
4363 $siteFallbacks = array_diff( $siteFallbacks, $fallbacks );
4365 self::$fallbackLanguageCache[$cacheKey] = array( $fallbacks, $siteFallbacks );
4367 return self::$fallbackLanguageCache[$cacheKey];
4371 * Get all messages for a given language
4372 * WARNING: this may take a long time. If you just need all message *keys*
4373 * but need the *contents* of only a few messages, consider using getMessageKeysFor().
4375 * @param string $code
4377 * @return array
4379 public static function getMessagesFor( $code ) {
4380 return self::getLocalisationCache()->getItem( $code, 'messages' );
4384 * Get a message for a given language
4386 * @param string $key
4387 * @param string $code
4389 * @return string
4391 public static function getMessageFor( $key, $code ) {
4392 return self::getLocalisationCache()->getSubitem( $code, 'messages', $key );
4396 * Get all message keys for a given language. This is a faster alternative to
4397 * array_keys( Language::getMessagesFor( $code ) )
4399 * @since 1.19
4400 * @param string $code Language code
4401 * @return array Array of message keys (strings)
4403 public static function getMessageKeysFor( $code ) {
4404 return self::getLocalisationCache()->getSubItemList( $code, 'messages' );
4408 * @param string $talk
4409 * @return mixed
4411 function fixVariableInNamespace( $talk ) {
4412 if ( strpos( $talk, '$1' ) === false ) {
4413 return $talk;
4416 global $wgMetaNamespace;
4417 $talk = str_replace( '$1', $wgMetaNamespace, $talk );
4419 # Allow grammar transformations
4420 # Allowing full message-style parsing would make simple requests
4421 # such as action=raw much more expensive than they need to be.
4422 # This will hopefully cover most cases.
4423 $talk = preg_replace_callback( '/{{grammar:(.*?)\|(.*?)}}/i',
4424 array( &$this, 'replaceGrammarInNamespace' ), $talk );
4425 return str_replace( ' ', '_', $talk );
4429 * @param string $m
4430 * @return string
4432 function replaceGrammarInNamespace( $m ) {
4433 return $this->convertGrammar( trim( $m[2] ), trim( $m[1] ) );
4437 * @throws MWException
4438 * @return array
4440 static function getCaseMaps() {
4441 static $wikiUpperChars, $wikiLowerChars;
4442 if ( isset( $wikiUpperChars ) ) {
4443 return array( $wikiUpperChars, $wikiLowerChars );
4446 $arr = wfGetPrecompiledData( 'Utf8Case.ser' );
4447 if ( $arr === false ) {
4448 throw new MWException(
4449 "Utf8Case.ser is missing, please run \"make\" in the serialized directory\n" );
4451 $wikiUpperChars = $arr['wikiUpperChars'];
4452 $wikiLowerChars = $arr['wikiLowerChars'];
4453 return array( $wikiUpperChars, $wikiLowerChars );
4457 * Decode an expiry (block, protection, etc) which has come from the DB
4459 * @todo FIXME: why are we returnings DBMS-dependent strings???
4461 * @param string $expiry Database expiry String
4462 * @param bool|int $format True to process using language functions, or TS_ constant
4463 * to return the expiry in a given timestamp
4464 * @return string
4465 * @since 1.18
4467 public function formatExpiry( $expiry, $format = true ) {
4468 static $infinity;
4469 if ( $infinity === null ) {
4470 $infinity = wfGetDB( DB_SLAVE )->getInfinity();
4473 if ( $expiry == '' || $expiry == $infinity ) {
4474 return $format === true
4475 ? $this->getMessageFromDB( 'infiniteblock' )
4476 : $infinity;
4477 } else {
4478 return $format === true
4479 ? $this->timeanddate( $expiry, /* User preference timezone */ true )
4480 : wfTimestamp( $format, $expiry );
4485 * @todo Document
4486 * @param int|float $seconds
4487 * @param array $format Optional
4488 * If $format['avoid'] === 'avoidseconds': don't mention seconds if $seconds >= 1 hour.
4489 * If $format['avoid'] === 'avoidminutes': don't mention seconds/minutes if $seconds > 48 hours.
4490 * If $format['noabbrevs'] is true: use 'seconds' and friends instead of 'seconds-abbrev'
4491 * and friends.
4492 * For backwards compatibility, $format may also be one of the strings 'avoidseconds'
4493 * or 'avoidminutes'.
4494 * @return string
4496 function formatTimePeriod( $seconds, $format = array() ) {
4497 if ( !is_array( $format ) ) {
4498 $format = array( 'avoid' => $format ); // For backwards compatibility
4500 if ( !isset( $format['avoid'] ) ) {
4501 $format['avoid'] = false;
4503 if ( !isset( $format['noabbrevs'] ) ) {
4504 $format['noabbrevs'] = false;
4506 $secondsMsg = wfMessage(
4507 $format['noabbrevs'] ? 'seconds' : 'seconds-abbrev' )->inLanguage( $this );
4508 $minutesMsg = wfMessage(
4509 $format['noabbrevs'] ? 'minutes' : 'minutes-abbrev' )->inLanguage( $this );
4510 $hoursMsg = wfMessage(
4511 $format['noabbrevs'] ? 'hours' : 'hours-abbrev' )->inLanguage( $this );
4512 $daysMsg = wfMessage(
4513 $format['noabbrevs'] ? 'days' : 'days-abbrev' )->inLanguage( $this );
4515 if ( round( $seconds * 10 ) < 100 ) {
4516 $s = $this->formatNum( sprintf( "%.1f", round( $seconds * 10 ) / 10 ) );
4517 $s = $secondsMsg->params( $s )->text();
4518 } elseif ( round( $seconds ) < 60 ) {
4519 $s = $this->formatNum( round( $seconds ) );
4520 $s = $secondsMsg->params( $s )->text();
4521 } elseif ( round( $seconds ) < 3600 ) {
4522 $minutes = floor( $seconds / 60 );
4523 $secondsPart = round( fmod( $seconds, 60 ) );
4524 if ( $secondsPart == 60 ) {
4525 $secondsPart = 0;
4526 $minutes++;
4528 $s = $minutesMsg->params( $this->formatNum( $minutes ) )->text();
4529 $s .= ' ';
4530 $s .= $secondsMsg->params( $this->formatNum( $secondsPart ) )->text();
4531 } elseif ( round( $seconds ) <= 2 * 86400 ) {
4532 $hours = floor( $seconds / 3600 );
4533 $minutes = floor( ( $seconds - $hours * 3600 ) / 60 );
4534 $secondsPart = round( $seconds - $hours * 3600 - $minutes * 60 );
4535 if ( $secondsPart == 60 ) {
4536 $secondsPart = 0;
4537 $minutes++;
4539 if ( $minutes == 60 ) {
4540 $minutes = 0;
4541 $hours++;
4543 $s = $hoursMsg->params( $this->formatNum( $hours ) )->text();
4544 $s .= ' ';
4545 $s .= $minutesMsg->params( $this->formatNum( $minutes ) )->text();
4546 if ( !in_array( $format['avoid'], array( 'avoidseconds', 'avoidminutes' ) ) ) {
4547 $s .= ' ' . $secondsMsg->params( $this->formatNum( $secondsPart ) )->text();
4549 } else {
4550 $days = floor( $seconds / 86400 );
4551 if ( $format['avoid'] === 'avoidminutes' ) {
4552 $hours = round( ( $seconds - $days * 86400 ) / 3600 );
4553 if ( $hours == 24 ) {
4554 $hours = 0;
4555 $days++;
4557 $s = $daysMsg->params( $this->formatNum( $days ) )->text();
4558 $s .= ' ';
4559 $s .= $hoursMsg->params( $this->formatNum( $hours ) )->text();
4560 } elseif ( $format['avoid'] === 'avoidseconds' ) {
4561 $hours = floor( ( $seconds - $days * 86400 ) / 3600 );
4562 $minutes = round( ( $seconds - $days * 86400 - $hours * 3600 ) / 60 );
4563 if ( $minutes == 60 ) {
4564 $minutes = 0;
4565 $hours++;
4567 if ( $hours == 24 ) {
4568 $hours = 0;
4569 $days++;
4571 $s = $daysMsg->params( $this->formatNum( $days ) )->text();
4572 $s .= ' ';
4573 $s .= $hoursMsg->params( $this->formatNum( $hours ) )->text();
4574 $s .= ' ';
4575 $s .= $minutesMsg->params( $this->formatNum( $minutes ) )->text();
4576 } else {
4577 $s = $daysMsg->params( $this->formatNum( $days ) )->text();
4578 $s .= ' ';
4579 $s .= $this->formatTimePeriod( $seconds - $days * 86400, $format );
4582 return $s;
4586 * Format a bitrate for output, using an appropriate
4587 * unit (bps, kbps, Mbps, Gbps, Tbps, Pbps, Ebps, Zbps or Ybps) according to
4588 * the magnitude in question.
4590 * This use base 1000. For base 1024 use formatSize(), for another base
4591 * see formatComputingNumbers().
4593 * @param int $bps
4594 * @return string
4596 function formatBitrate( $bps ) {
4597 return $this->formatComputingNumbers( $bps, 1000, "bitrate-$1bits" );
4601 * @param int $size Size of the unit
4602 * @param int $boundary Size boundary (1000, or 1024 in most cases)
4603 * @param string $messageKey Message key to be uesd
4604 * @return string
4606 function formatComputingNumbers( $size, $boundary, $messageKey ) {
4607 if ( $size <= 0 ) {
4608 return str_replace( '$1', $this->formatNum( $size ),
4609 $this->getMessageFromDB( str_replace( '$1', '', $messageKey ) )
4612 $sizes = array( '', 'kilo', 'mega', 'giga', 'tera', 'peta', 'exa', 'zeta', 'yotta' );
4613 $index = 0;
4615 $maxIndex = count( $sizes ) - 1;
4616 while ( $size >= $boundary && $index < $maxIndex ) {
4617 $index++;
4618 $size /= $boundary;
4621 // For small sizes no decimal places necessary
4622 $round = 0;
4623 if ( $index > 1 ) {
4624 // For MB and bigger two decimal places are smarter
4625 $round = 2;
4627 $msg = str_replace( '$1', $sizes[$index], $messageKey );
4629 $size = round( $size, $round );
4630 $text = $this->getMessageFromDB( $msg );
4631 return str_replace( '$1', $this->formatNum( $size ), $text );
4635 * Format a size in bytes for output, using an appropriate
4636 * unit (B, KB, MB, GB, TB, PB, EB, ZB or YB) according to the magnitude in question
4638 * This method use base 1024. For base 1000 use formatBitrate(), for
4639 * another base see formatComputingNumbers()
4641 * @param int $size Size to format
4642 * @return string Plain text (not HTML)
4644 function formatSize( $size ) {
4645 return $this->formatComputingNumbers( $size, 1024, "size-$1bytes" );
4649 * Make a list item, used by various special pages
4651 * @param string $page Page link
4652 * @param string $details HTML safe text between brackets
4653 * @param bool $oppositedm Add the direction mark opposite to your
4654 * language, to display text properly
4655 * @return HTML escaped string
4657 function specialList( $page, $details, $oppositedm = true ) {
4658 if ( !$details ) {
4659 return $page;
4662 $dirmark = ( $oppositedm ? $this->getDirMark( true ) : '' ) . $this->getDirMark();
4663 return
4664 $page .
4665 $dirmark .
4666 $this->msg( 'word-separator' )->escaped() .
4667 $this->msg( 'parentheses' )->rawParams( $details )->escaped();
4671 * Generate (prev x| next x) (20|50|100...) type links for paging
4673 * @param Title $title Title object to link
4674 * @param int $offset
4675 * @param int $limit
4676 * @param array $query Optional URL query parameter string
4677 * @param bool $atend Optional param for specified if this is the last page
4678 * @return string
4680 public function viewPrevNext( Title $title, $offset, $limit,
4681 array $query = array(), $atend = false
4683 // @todo FIXME: Why on earth this needs one message for the text and another one for tooltip?
4685 # Make 'previous' link
4686 $prev = wfMessage( 'prevn' )->inLanguage( $this )->title( $title )->numParams( $limit )->text();
4687 if ( $offset > 0 ) {
4688 $plink = $this->numLink( $title, max( $offset - $limit, 0 ), $limit,
4689 $query, $prev, 'prevn-title', 'mw-prevlink' );
4690 } else {
4691 $plink = htmlspecialchars( $prev );
4694 # Make 'next' link
4695 $next = wfMessage( 'nextn' )->inLanguage( $this )->title( $title )->numParams( $limit )->text();
4696 if ( $atend ) {
4697 $nlink = htmlspecialchars( $next );
4698 } else {
4699 $nlink = $this->numLink( $title, $offset + $limit, $limit,
4700 $query, $next, 'nextn-title', 'mw-nextlink' );
4703 # Make links to set number of items per page
4704 $numLinks = array();
4705 foreach ( array( 20, 50, 100, 250, 500 ) as $num ) {
4706 $numLinks[] = $this->numLink( $title, $offset, $num,
4707 $query, $this->formatNum( $num ), 'shown-title', 'mw-numlink' );
4710 return wfMessage( 'viewprevnext' )->inLanguage( $this )->title( $title
4711 )->rawParams( $plink, $nlink, $this->pipeList( $numLinks ) )->escaped();
4715 * Helper function for viewPrevNext() that generates links
4717 * @param Title $title Title object to link
4718 * @param int $offset
4719 * @param int $limit
4720 * @param array $query Extra query parameters
4721 * @param string $link Text to use for the link; will be escaped
4722 * @param string $tooltipMsg Name of the message to use as tooltip
4723 * @param string $class Value of the "class" attribute of the link
4724 * @return string HTML fragment
4726 private function numLink( Title $title, $offset, $limit, array $query, $link,
4727 $tooltipMsg, $class
4729 $query = array( 'limit' => $limit, 'offset' => $offset ) + $query;
4730 $tooltip = wfMessage( $tooltipMsg )->inLanguage( $this )->title( $title )
4731 ->numParams( $limit )->text();
4733 return Html::element( 'a', array( 'href' => $title->getLocalURL( $query ),
4734 'title' => $tooltip, 'class' => $class ), $link );
4738 * Get the conversion rule title, if any.
4740 * @return string
4742 public function getConvRuleTitle() {
4743 return $this->mConverter->getConvRuleTitle();
4747 * Get the compiled plural rules for the language
4748 * @since 1.20
4749 * @return array Associative array with plural form, and plural rule as key-value pairs
4751 public function getCompiledPluralRules() {
4752 $pluralRules = self::$dataCache->getItem( strtolower( $this->mCode ), 'compiledPluralRules' );
4753 $fallbacks = Language::getFallbacksFor( $this->mCode );
4754 if ( !$pluralRules ) {
4755 foreach ( $fallbacks as $fallbackCode ) {
4756 $pluralRules = self::$dataCache->getItem( strtolower( $fallbackCode ), 'compiledPluralRules' );
4757 if ( $pluralRules ) {
4758 break;
4762 return $pluralRules;
4766 * Get the plural rules for the language
4767 * @since 1.20
4768 * @return array Associative array with plural form number and plural rule as key-value pairs
4770 public function getPluralRules() {
4771 $pluralRules = self::$dataCache->getItem( strtolower( $this->mCode ), 'pluralRules' );
4772 $fallbacks = Language::getFallbacksFor( $this->mCode );
4773 if ( !$pluralRules ) {
4774 foreach ( $fallbacks as $fallbackCode ) {
4775 $pluralRules = self::$dataCache->getItem( strtolower( $fallbackCode ), 'pluralRules' );
4776 if ( $pluralRules ) {
4777 break;
4781 return $pluralRules;
4785 * Get the plural rule types for the language
4786 * @since 1.22
4787 * @return array Associative array with plural form number and plural rule type as key-value pairs
4789 public function getPluralRuleTypes() {
4790 $pluralRuleTypes = self::$dataCache->getItem( strtolower( $this->mCode ), 'pluralRuleTypes' );
4791 $fallbacks = Language::getFallbacksFor( $this->mCode );
4792 if ( !$pluralRuleTypes ) {
4793 foreach ( $fallbacks as $fallbackCode ) {
4794 $pluralRuleTypes = self::$dataCache->getItem( strtolower( $fallbackCode ), 'pluralRuleTypes' );
4795 if ( $pluralRuleTypes ) {
4796 break;
4800 return $pluralRuleTypes;
4804 * Find the index number of the plural rule appropriate for the given number
4805 * @param int $number
4806 * @return int The index number of the plural rule
4808 public function getPluralRuleIndexNumber( $number ) {
4809 $pluralRules = $this->getCompiledPluralRules();
4810 $form = CLDRPluralRuleEvaluator::evaluateCompiled( $number, $pluralRules );
4811 return $form;
4815 * Find the plural rule type appropriate for the given number
4816 * For example, if the language is set to Arabic, getPluralType(5) should
4817 * return 'few'.
4818 * @since 1.22
4819 * @param int $number
4820 * @return string The name of the plural rule type, e.g. one, two, few, many
4822 public function getPluralRuleType( $number ) {
4823 $index = $this->getPluralRuleIndexNumber( $number );
4824 $pluralRuleTypes = $this->getPluralRuleTypes();
4825 if ( isset( $pluralRuleTypes[$index] ) ) {
4826 return $pluralRuleTypes[$index];
4827 } else {
4828 return 'other';