install.php

   1 <?php /// $Id$
   2       /// install.php - helps admin user to create a config.php file
   3
   4 /// If config.php exists already then we are not needed.
   5
   6 if (file_exists('./config.php')) {
   7     header('Location: index.php');
   8     die;
   9 } else {
  10     $configfile = './config.php';
  11 }
  12
  13 ///==========================================================================//
  14 /// We are doing this in stages
  15 define ('WELCOME',            0); /// 0. Welcome and language settings
  16 define ('COMPATIBILITY',      1); /// 1. Compatibility
  17 define ('DIRECTORY',          2); /// 2. Directory settings
  18 define ('DATABASE',           3); /// 2. Database settings
  19 define ('ADMIN',              4); /// 4. Administration directory name
  20 define ('ENVIRONMENT',        5); /// 5. Administration directory name
  21 define ('DOWNLOADLANG',       6); /// 6. Load complete lang from download.moodle.org
  22 define ('SAVE',               7); /// 7. Save or display the settings
  23 define ('REDIRECT',           8); /// 8. Redirect to index.php
  24 ///==========================================================================//
  25
  26
  27 /// This has to be defined to avoid a notice in current_language()
  28 define('SITEID', 0);
  29
  30 /// Begin the session as we are holding all information in a session
  31 /// variable until the end.
  32
  33 session_name('MoodleSession');
  34 @session_start();
  35
  36 /// make sure PHP errors are displayed to help diagnose problems
  37 @error_reporting(1023); //E_ALL not used because we do not want strict notices in PHP5 yet
  38 @ini_set('display_errors', '1');
  39
  40 if (! isset($_SESSION['INSTALL'])) {
  41     $_SESSION['INSTALL'] = array();
  42 }
  43
  44 $INSTALL = &$_SESSION['INSTALL'];   // Makes it easier to reference
  45
  46 /// detect if install was attempted from diferent directory, if yes reset session to prevent errors,
  47 /// dirroot location now fixed in installer
  48 if (!empty($INSTALL['dirroot']) and $INSTALL['dirroot'] != dirname(__FILE__)) {
  49     $_SESSION['INSTALL'] = array();
  50 }
  51
  52 /// If it's our first time through this script then we need to set some default values
  53
  54 if ( empty($INSTALL['language']) and empty($_POST['language']) ) {
  55
  56     /// set defaults
  57     $INSTALL['language']        = 'en_utf8';
  58
  59     $INSTALL['dbhost']          = 'localhost';
  60     $INSTALL['dbuser']          = '';
  61     $INSTALL['dbpass']          = '';
  62     $INSTALL['dbtype']          = 'mysql';
  63     $INSTALL['dbname']          = 'moodle';
  64     $INSTALL['prefix']          = 'mdl_';
  65
  66     $INSTALL['downloadlangpack']       = false;
  67     $INSTALL['showdownloadlangpack']   = true;
  68     $INSTALL['downloadlangpackerror']  = '';
  69
  70 /// To be used by the Installer
  71     $INSTALL['wwwroot']         = '';
  72     $INSTALL['dirroot']         = dirname(__FILE__);
  73     $INSTALL['dataroot']        = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . 'moodledata';
  74
  75 /// To be configured in the Installer
  76     $INSTALL['wwwrootform']         = '';
  77     $INSTALL['dirrootform']         = dirname(__FILE__);
  78
  79     $INSTALL['admindirname']    = 'admin';
  80
  81     $INSTALL['stage'] = WELCOME;
  82 }
  83
  84 //==========================================================================//
  85
  86 /// Set the page to Unicode always
  87
  88 header('Content-Type: text/html; charset=UTF-8');
  89
  90 /// Was data submitted?
  91
  92 if (isset($_POST['stage'])) {
  93
  94     /// Get the stage for which the form was set and the next stage we are going to
  95
  96     $gpc = ini_get('magic_quotes_gpc');
  97     $gpc = ($gpc == '1' or strtolower($gpc) == 'on');
  98
  99     /// Store any posted data
 100     foreach ($_POST as $setting=>$value) {
 101         if ($gpc) {
 102             $value = stripslashes($value);
 103         }
 104
 105         $INSTALL[$setting] = $value;
 106     }
 107
 108     if ( $goforward = (! empty( $_POST['next'] )) ) {
 109         $nextstage = $_POST['stage'] + 1;
 110     } else if (! empty( $_POST['prev'])) {
 111         $nextstage = $_POST['stage'] - 1;
 112         $INSTALL['stage'] = $_POST['stage'] - 1;
 113     } else if (! empty( $_POST['same'] )) {
 114         $nextstage = $_POST['stage'];
 115     }
 116
 117     $nextstage = (int)$nextstage;
 118
 119     if ($nextstage < 0) {
 120         $nextstage = WELCOME;
 121     }
 122
 123
 124 } else {
 125
 126     $goforward = true;
 127     $nextstage = WELCOME;
 128
 129 }
 130
 131 //==========================================================================//
 132
 133 /// Fake some settings so that we can use selected functions from moodlelib.php and weblib.php
 134
 135 $SESSION->lang = (!empty($_POST['language'])) ? $_POST['language'] : $INSTALL['language'];
 136 $CFG->dirroot = $INSTALL['dirroot'];
 137 $CFG->libdir = $INSTALL['dirroot'].'/lib';
 138 $CFG->dataroot = $INSTALL['dataroot'];
 139 $CFG->admin = $INSTALL['admindirname'];
 140 $CFG->directorypermissions = 00777;
 141 $CFG->running_installer = true;
 142 $CFG->docroot = 'http://docs.moodle.org';
 143 $CFG->httpswwwroot = $INSTALL['wwwrootform']; // Needed by doc_link() in Server Checks page.
 144 $COURSE->id = 0;
 145
 146 /// Include some moodle libraries
 147
 148 require_once($CFG->libdir.'/adminlib.php');
 149 require_once($CFG->libdir.'/setuplib.php');
 150 require_once($CFG->libdir.'/moodlelib.php');
 151 require_once($CFG->libdir.'/weblib.php');
 152 require_once($CFG->libdir.'/deprecatedlib.php');
 153 require_once($CFG->libdir.'/adodb/adodb.inc.php');
 154 require_once($CFG->libdir.'/environmentlib.php');
 155 require_once($CFG->libdir.'/xmlize.php');
 156 require_once($CFG->libdir.'/componentlib.class.php');
 157 require_once($CFG->dirroot.'/version.php');
 158
 159 /// Set version and release
 160 $INSTALL['version'] = $version;
 161 $INSTALL['release'] = $release;
 162
 163 /// Have the $db object ready because we are going to use it often
 164 define ('ADODB_ASSOC_CASE', 0); //Use lowercase fieldnames for ADODB_FETCH_ASSOC
 165 $db = &ADONewConnection($INSTALL['dbtype']);
 166 $db->SetFetchMode(ADODB_FETCH_ASSOC);
 167
 168 /// guess the www root
 169 if ($INSTALL['wwwroot'] == '') {
 170     list($INSTALL['wwwroot'], $xtra) = explode('/install.php', qualified_me());
 171     $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
 172
 173     // now try to guess the correct dataroot not accessible via web
 174     $CFG->wwwroot = $INSTALL['wwwroot'];
 175     $i = 0; //safety check - dirname might return some unexpected results
 176     while(is_dataroot_insecure()) {
 177         $parrent = dirname($CFG->dataroot);
 178         $i++;
 179         if ($parrent == '/' or $parrent == '.' or preg_match('/^[a-z]:\\\?$/i', $parrent) or ($i > 100)) {
 180             $CFG->dataroot = ''; //can not find secure location for dataroot
 181             break;
 182         }
 183         $CFG->dataroot = dirname($parrent).'/moodledata';
 184     }
 185         $INSTALL['dataroot'] = $CFG->dataroot;
 186 }
 187
 188 $headstagetext = array(WELCOME       => get_string('chooselanguagehead', 'install'),
 189                        COMPATIBILITY => get_string('compatibilitysettingshead', 'install'),
 190                        DIRECTORY     => get_string('directorysettingshead', 'install'),
 191                        DATABASE      => get_string('databasesettingshead', 'install'),
 192                        ADMIN         => get_string('admindirsettinghead', 'install'),
 193                        ENVIRONMENT   => get_string('environmenthead', 'install'),
 194                        DOWNLOADLANG  => get_string('downloadlanguagehead', 'install'),
 195                        SAVE          => get_string('configurationcompletehead', 'install')
 196                         );
 197
 198 $substagetext = array(WELCOME       => get_string('chooselanguagesub', 'install'),
 199                       COMPATIBILITY => get_string('compatibilitysettingssub', 'install'),
 200                       DIRECTORY     => get_string('directorysettingssub', 'install'),
 201                       DATABASE      => get_string('databasesettingssub', 'install'),
 202                       ADMIN         => get_string('admindirsettingsub', 'install'),
 203                       ENVIRONMENT   => get_string('environmentsub', 'install'),
 204                       DOWNLOADLANG  => get_string('downloadlanguagesub', 'install'),
 205                       SAVE          => get_string('configurationcompletesub', 'install')
 206                        );
 207
 208
 209
 210 //==========================================================================//
 211
 212 /// Are we in help mode?
 213
 214 if (isset($_GET['help'])) {
 215     $nextstage = -1;
 216 }
 217
 218
 219
 220 //==========================================================================//
 221
 222 /// Are we in config download mode?
 223
 224 if (isset($_GET['download'])) {
 225     header("Content-Type: application/x-forcedownload\n");
 226     header("Content-Disposition: attachment; filename=\"config.php\"");
 227     echo $INSTALL['config'];
 228     exit;
 229 }
 230
 231
 232
 233
 234
 235 //==========================================================================//
 236
 237 /// Check the directory settings
 238
 239 if ($INSTALL['stage'] == DIRECTORY) {
 240
 241     error_reporting(0);
 242
 243     /// check wwwroot
 244     if (ini_get('allow_url_fopen') && false) {  /// This was not reliable
 245         if (($fh = @fopen($INSTALL['wwwrootform'].'/install.php', 'r')) === false) {
 246             $errormsg .= get_string('wwwrooterror', 'install').'<br />';
 247             $INSTALL['wwwrootform'] = $INSTALL['wwwroot'];
 248         }
 249     }
 250     if ($fh) fclose($fh);
 251
 252     /// check dirroot
 253     if (($fh = @fopen($INSTALL['dirrootform'].'/install.php', 'r')) === false ) {
 254         $errormsg .= get_string('dirrooterror', 'install').'<br />';
 255         $INSTALL['dirrootform'] = $INSTALL['dirroot'];
 256     }
 257     if ($fh) fclose($fh);
 258
 259     /// check dataroot
 260     $CFG->dataroot = $INSTALL['dataroot'];
 261     if (make_upload_directory('sessions', false) === false ) {
 262         $errormsg .= get_string('datarooterror', 'install').'<br />';
 263     }
 264     if ($fh) fclose($fh);
 265
 266     if (!empty($errormsg)) $nextstage = DIRECTORY;
 267
 268     error_reporting(7);
 269 }
 270
 271
 272
 273 //==========================================================================//
 274
 275 /// Check database settings if stage 3 data submitted
 276 /// Try to connect to the database. If that fails then try to create the database
 277
 278 if ($INSTALL['stage'] == DATABASE) {
 279
 280     /// different format for postgres7 by socket
 281     if ($INSTALL['dbtype'] == 'postgres7' and ($INSTALL['dbhost'] == 'localhost' || $INSTALL['dbhost'] == '127.0.0.1')) {
 282         $INSTALL['dbhost'] = "user='{$INSTALL['dbuser']}' password='{$INSTALL['dbpass']}' dbname='{$INSTALL['dbname']}'";
 283         $INSTALL['dbuser'] = '';
 284         $INSTALL['dbpass'] = '';
 285         $INSTALL['dbname'] = '';
 286
 287         if ($INSTALL['prefix'] == '') { /// must have a prefix
 288             $INSTALL['prefix'] = 'mdl_';
 289         }
 290     }
 291
 292     if ($INSTALL['dbtype'] == 'mysql') {  /// Check MySQL extension is present
 293         if (!extension_loaded('mysql')) {
 294             $errormsg = get_string('mysqlextensionisnotpresentinphp', 'install');
 295             $nextstage = DATABASE;
 296         }
 297     }
 298
 299     if ($INSTALL['dbtype'] == 'mysqli') {  /// Check MySQLi extension is present
 300         if (!extension_loaded('mysqli')) {
 301             $errormsg = get_string('mysqliextensionisnotpresentinphp', 'install');
 302             $nextstage = DATABASE;
 303         }
 304     }
 305
 306     if ($INSTALL['dbtype'] == 'postgres7') {  /// Check PostgreSQL extension is present
 307         if (!extension_loaded('pgsql')) {
 308             $errormsg = get_string('pgsqlextensionisnotpresentinphp', 'install');
 309             $nextstage = DATABASE;
 310         }
 311     }
 312
 313     if ($INSTALL['dbtype'] == 'mssql') {  /// Check MSSQL extension is present
 314         if (!function_exists('mssql_connect')) {
 315             $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
 316             $nextstage = DATABASE;
 317         }
 318     }
 319
 320     if ($INSTALL['dbtype'] == 'mssql_n') {  /// Check MSSQL extension is present
 321         if (!function_exists('mssql_connect')) {
 322             $errormsg = get_string('mssqlextensionisnotpresentinphp', 'install');
 323             $nextstage = DATABASE;
 324         }
 325     }
 326
 327     if ($INSTALL['dbtype'] == 'odbc_mssql') {  /// Check ODBC extension is present
 328         if (!extension_loaded('odbc')) {
 329             $errormsg = get_string('odbcextensionisnotpresentinphp', 'install');
 330             $nextstage = DATABASE;
 331         }
 332     }
 333
 334     if ($INSTALL['dbtype'] == 'oci8po') {  /// Check OCI extension is present
 335         if (!extension_loaded('oci8')) {
 336             $errormsg = get_string('ociextensionisnotpresentinphp', 'install');
 337             $nextstage = DATABASE;
 338         }
 339     }
 340
 341     if (empty($INSTALL['prefix']) && $INSTALL['dbtype'] != 'mysql' && $INSTALL['dbtype'] != 'mysqli') { // All DBs but MySQL require prefix (reserv. words)
 342         $errormsg = get_string('dbwrongprefix', 'install');
 343         $nextstage = DATABASE;
 344     }
 345
 346     if ($INSTALL['dbtype'] == 'oci8po' && strlen($INSTALL['prefix']) > 2) { // Oracle max prefix = 2cc (30cc limit)
 347         $errormsg = get_string('dbwrongprefix', 'install');
 348         $nextstage = DATABASE;
 349     }
 350
 351     if ($INSTALL['dbtype'] == 'oci8po' && !empty($INSTALL['dbhost'])) { // Oracle host must be blank (tnsnames.ora has it)
 352         $errormsg = get_string('dbwronghostserver', 'install');
 353         $nextstage = DATABASE;
 354     }
 355
 356     if (empty($errormsg)) {
 357
 358         error_reporting(0);  // Hide errors
 359
 360         if (! $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname'])) {
 361             $db->database = ''; // reset database name cached by ADODB. Trick from MDL-9609
 362             if ($dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'])) { /// Try to connect without DB
 363                 switch ($INSTALL['dbtype']) {   /// Try to create a database
 364                     case 'mysql':
 365                     case 'mysqli':
 366                         if ($db->Execute("CREATE DATABASE {$INSTALL['dbname']} DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;")) {
 367                             $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 368                         } else {
 369                             $errormsg = get_string('dbcreationerror', 'install');
 370                             $nextstage = DATABASE;
 371                         }
 372                         break;
 373                 }
 374             }
 375         } else {
 376         /// We have been able to connect properly, just test the database encoding now.
 377         /// It must be Unicode for 1.8 installations.
 378             $encoding = '';
 379             switch ($INSTALL['dbtype']) {
 380                 case 'mysql':
 381                 case 'mysqli':
 382                 /// Get MySQL character_set_database value
 383                     $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");
 384                     if ($rs && !$rs->EOF) {
 385                         $records = $rs->GetAssoc(true);
 386                         $encoding = $records['character_set_database']['Value'];
 387                         if (strtoupper($encoding) != 'UTF8') {
 388                         /// Try to set the encoding now!
 389                             if (! $db->Metatables()) {  // We have no tables so go ahead
 390                                 $db->Execute("ALTER DATABASE `".$INSTALL['dbname']."` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci");
 391                                 $rs = $db->Execute("SHOW VARIABLES LIKE 'character_set_database'");  // this works
 392
 393                             }
 394                         }
 395                         /// If conversion fails, skip, let environment testing do the job
 396                     }
 397                     break;
 398                 case 'postgres7':
 399                 /// Skip, let environment testing do the job
 400                     break;
 401                 case 'oci8po':
 402                 /// Skip, let environment testing do the job
 403                     break;
 404             }
 405         }
 406     }
 407
 408     error_reporting(7);
 409
 410     if (($dbconnected === false) and (empty($errormsg)) ) {
 411         $errormsg = get_string('dbconnectionerror', 'install');
 412         $nextstage = DATABASE;
 413     }
 414 }
 415
 416
 417
 418 //==========================================================================//
 419
 420 /// If the next stage is admin directory settings OR we have just come from there then
 421 /// check the admin directory.
 422 /// If we can open a file then we know that the admin name is correct.
 423
 424 if ($nextstage == ADMIN or $INSTALL['stage'] == ADMIN) {
 425     if (!ini_get('allow_url_fopen')) {
 426         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 427     } else if (($fh = @fopen($INSTALL['wwwrootform'].'/'.$INSTALL['admindirname'].'/environment.xml', 'r')) !== false) {
 428         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 429         fclose($fh);
 430     } else {
 431         $nextstage = ($goforward) ? ENVIRONMENT : DATABASE;
 432         //if ($nextstage != ADMIN) {
 433         //    $errormsg = get_string('admindirerror', 'install');
 434         //    $nextstage = ADMIN;
 435         // }
 436     }
 437 }
 438
 439 //==========================================================================//
 440
 441 // Check if we can navigate from the environemt page (because it's ok)
 442
 443 if ($INSTALL['stage'] == ENVIRONMENT) {
 444     error_reporting(0);  // Hide errors
 445     $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 446     error_reporting(7);  // Show errors
 447     if ($dbconnected) {
 448     /// Execute environment check, printing results
 449         if (!check_moodle_environment($INSTALL['release'], $environment_results, false)) {
 450              $nextstage = ENVIRONMENT;
 451         }
 452     } else {
 453     /// We never should reach this because DB has been tested before arriving here
 454         $errormsg = get_string('dbconnectionerror', 'install');
 455         $nextstage = DATABASE;
 456     }
 457 }
 458
 459
 460
 461 //==========================================================================//
 462
 463 // Try to download the lang pack if it has been selected
 464
 465 if ($INSTALL['stage'] == DOWNLOADLANG && $INSTALL['downloadlangpack']) {
 466
 467     $downloadsuccess = false;
 468     $downloaderror = '';
 469
 470     error_reporting(0);  // Hide errors
 471
 472 /// Create necessary lang dir
 473     if (!make_upload_directory('lang', false)) {
 474         $downloaderror = get_string('cannotcreatelangdir', 'error');
 475     }
 476
 477 /// Download and install component
 478     if (($cd = new component_installer('http://download.moodle.org', 'lang16',
 479         $INSTALL['language'].'.zip', 'languages.md5', 'lang')) && empty($errormsg)) {
 480         $status = $cd->install(); //returns COMPONENT_(ERROR | UPTODATE | INSTALLED)
 481         switch ($status) {
 482             case COMPONENT_ERROR:
 483                 if ($cd->get_error() == 'remotedownloaderror') {
 484                     $a = new stdClass();
 485                     $a->url = 'http://download.moodle.org/lang16/'.$INSTALL['language'].'.zip';
 486                     $a->dest= $CFG->dataroot.'/lang';
 487                     $downloaderror = get_string($cd->get_error(), 'error', $a);
 488                 } else {
 489                     $downloaderror = get_string($cd->get_error(), 'error');
 490                 }
 491             break;
 492             case COMPONENT_UPTODATE:
 493             case COMPONENT_INSTALLED:
 494                 $downloadsuccess = true;
 495             break;
 496             default:
 497                 //We shouldn't reach this point
 498         }
 499     } else {
 500         //We shouldn't reach this point
 501     }
 502
 503     error_reporting(7);  // Show errors
 504
 505     if ($downloadsuccess) {
 506         $INSTALL['downloadlangpack']       = false;
 507         $INSTALL['showdownloadlangpack']   = false;
 508         $INSTALL['downloadlangpackerror']  = $downloaderror;
 509     } else {
 510         $INSTALL['downloadlangpack']       = false;
 511         $INSTALL['showdownloadlangpack']   = false;
 512         $INSTALL['downloadlangpackerror']  = $downloaderror;
 513     }
 514 }
 515
 516
 517
 518 //==========================================================================//
 519
 520 /// Display or print the data
 521 /// Put the data into a string
 522 /// Try to open config file for writing.
 523
 524 if ($nextstage == SAVE) {
 525
 526     $str  = '<?php  /// Moodle Configuration File '."\r\n";
 527     $str .= "\r\n";
 528
 529     $str .= 'unset($CFG);'."\r\n";
 530     $str .= "\r\n";
 531
 532     $str .= '$CFG->dbtype    = \''.$INSTALL['dbtype']."';\r\n";
 533     $str .= '$CFG->dbhost    = \''.addslashes($INSTALL['dbhost'])."';\r\n";
 534     if (!empty($INSTALL['dbname'])) {
 535         $str .= '$CFG->dbname    = \''.$INSTALL['dbname']."';\r\n";
 536         // support single quotes in db user/passwords
 537         $str .= '$CFG->dbuser    = \''.addsingleslashes($INSTALL['dbuser'])."';\r\n";
 538         $str .= '$CFG->dbpass    = \''.addsingleslashes($INSTALL['dbpass'])."';\r\n";
 539     }
 540     $str .= '$CFG->dbpersist =  false;'."\r\n";
 541     $str .= '$CFG->prefix    = \''.$INSTALL['prefix']."';\r\n";
 542     $str .= "\r\n";
 543
 544     $str .= '$CFG->wwwroot   = \''.s($INSTALL['wwwrootform'],true)."';\r\n";
 545     $str .= '$CFG->dirroot   = \''.s($INSTALL['dirrootform'],true)."';\r\n";
 546     $str .= '$CFG->dataroot  = \''.s($INSTALL['dataroot'],true)."';\r\n";
 547     $str .= '$CFG->admin     = \''.s($INSTALL['admindirname'],true)."';\r\n";
 548     $str .= "\r\n";
 549
 550     $str .= '$CFG->directorypermissions = 00777;  // try 02777 on a server in Safe Mode'."\r\n";
 551     $str .= "\r\n";
 552
 553     $str .= 'require_once("$CFG->dirroot/lib/setup.php");'."\r\n";
 554     $str .= '// MAKE SURE WHEN YOU EDIT THIS FILE THAT THERE ARE NO SPACES, BLANK LINES,'."\r\n";
 555     $str .= '// RETURNS, OR ANYTHING ELSE AFTER THE TWO CHARACTERS ON THE NEXT LINE.'."\r\n";
 556     $str .= '?>';
 557
 558     umask(0137);
 559
 560     if (( $configsuccess = ($fh = @fopen($configfile, 'w')) ) !== false) {
 561         fwrite($fh, $str);
 562         fclose($fh);
 563     }
 564
 565
 566     $INSTALL['config'] = $str;
 567 }
 568
 569
 570
 571 //==========================================================================//
 572
 573 ?>
 574 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 575 <html dir="<?php echo (right_to_left() ? 'rtl' : 'ltr'); ?>">
 576 <head>
 577 <link rel="shortcut icon" href="theme/standard/favicon.ico" />
 578 <title>Moodle Install</title>
 579 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
 580 <?php css_styles() ?>
 581 <?php database_js() ?>
 582
 583 </head>
 584
 585 <body>
 586
 587
 588 <?php
 589 if (isset($_GET['help'])) {
 590     print_install_help($_GET['help']);
 591     close_window_button();
 592 } else {
 593 ?>
 594
 595
 596 <table class="main" cellpadding="3" cellspacing="0">
 597     <tr>
 598         <td class="td_mainlogo">
 599             <p class="p_mainlogo"><img src="pix/moodlelogo-med.gif" width="240" height="60" alt="Moodle logo"/></p>
 600         </td>
 601         <td class="td_mainlogo" valign="bottom">
 602             <p class="p_mainheader"><?php print_string('installation', 'install') ?></p>
 603         </td>
 604     </tr>
 605
 606     <tr>
 607         <td class="td_mainheading" colspan="2">
 608             <p class="p_mainheading"><?php echo $headstagetext[$nextstage] ?></p>
 609             <?php /// Exceptionaly, depending of the DB selected, we show some different text
 610                   /// from the standard one to show better instructions for each DB
 611                 if ($nextstage == DATABASE) {
 612                     echo '<script type="text/javascript" defer="defer">window.onload=toggledbinfo;</script>';
 613                     echo '<div id="mysql">' . get_string('databasesettingssub_mysql', 'install');
 614                     echo '<p style="text-align: center">' . get_string('databasesettingswillbecreated', 'install') . '</p>';
 615                     echo '</div>';
 616
 617                     echo '<div id="mysqli">' . get_string('databasesettingssub_mysqli', 'install');
 618                     echo '<p style="text-align: center">' . get_string('databasesettingswillbecreated', 'install') . '</p>';
 619                     echo '</div>';
 620
 621                     echo '<div id="postgres7">' . get_string('databasesettingssub_postgres7', 'install') . '</div>';
 622
 623                     echo '<div id="mssql">' . get_string('databasesettingssub_mssql', 'install');
 624                 /// Link to mssql installation page
 625                     echo "<p style='text-align:right'><a href=\"javascript:void(0)\" ";
 626                     echo "onclick=\"return window.open('http://docs.moodle.org/en/Installing_MSSQL_for_PHP')\"";
 627                     echo ">";
 628                     echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
 629                     echo get_string('moodledocslink', 'install') . '</a></p>';
 630                     echo '</div>';
 631
 632                     echo '<div id="mssql_n">' . get_string('databasesettingssub_mssql_n', 'install');
 633                 /// Link to mssql installation page
 634                     echo "<p style='text-align:right'><a href=\"javascript:void(0)\" ";
 635                     echo "onclick=\"return window.open('http://docs.moodle.org/en/Installing_MSSQL_for_PHP')\"";
 636                     echo ">";
 637                     echo '<img src="pix/docs.gif' . '" alt="Docs" />';
 638                     echo get_string('moodledocslink', 'install') . '</a></p>';
 639                     echo '</div>';
 640
 641                     echo '<div id="odbc_mssql">'. get_string('databasesettingssub_odbc_mssql', 'install');
 642                 /// Link to mssql installation page
 643                     echo "<p style='text-align:right'><a href=\"javascript:void(0)\" ";
 644                     echo "onclick=\"return window.open('http://docs.moodle.org/en/Installing_MSSQL_for_PHP')\"";
 645                     echo ">";
 646                     echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
 647                     echo get_string('moodledocslink', 'install') . '</a></p>';
 648                     echo '</div>';
 649
 650                     echo '<div id="oci8po">' . get_string('databasesettingssub_oci8po', 'install');
 651                 /// Link to oracle installation page
 652                     echo "<p style='text-align:right'><a href=\"javascript:void(0)\" ";
 653                     echo "onclick=\"return window.open('http://docs.moodle.org/en/Installing_Oracle_for_PHP')\"";
 654                     echo ">";
 655                     echo '<img src="pix/docs.gif' . '" alt="Docs" class="iconhelp" />';
 656                     echo get_string('moodledocslink', 'install') . '</a></p>';
 657                     echo '</div>';
 658                 } else {
 659                     if (!empty($substagetext[$nextstage])) {
 660                         echo '<p class="p_subheading">' . $substagetext[$nextstage] . '</p>';
 661                     }
 662                 }
 663             ?>
 664         </td>
 665     </tr>
 666
 667     <tr>
 668         <td class="td_main" colspan="2">
 669
 670 <?php
 671
 672 if (!empty($errormsg)) echo "<p class=\"errormsg\" style=\"text-align:center\">$errormsg</p>\n";
 673
 674
 675 if ($nextstage == SAVE) {
 676     $INSTALL['stage'] = WELCOME;
 677     $options = array();
 678     $options['lang'] = $INSTALL['language'];
 679     if ($configsuccess) {
 680         echo "<p class=\"p_install\">".get_string('configfilewritten', 'install')."</p>\n";
 681
 682         echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
 683         echo "<tr>\n";
 684         echo "<td>&nbsp;</td>\n";
 685         echo "<td>&nbsp;</td>\n";
 686         echo "<td align=\"right\">\n";
 687         print_single_button("index.php", $options, get_string('continue'));
 688         echo "</td>\n";
 689         echo "</tr>\n";
 690         echo "</table>\n";
 691
 692     } else {
 693         echo "<p class=\"errormsg\">".get_string('configfilenotwritten', 'install')."</p>";
 694
 695         echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
 696         echo "<tr>\n";
 697         echo "<td>&nbsp;</td>\n";
 698         echo "<td align=\"center\">\n";
 699         $installoptions = array();
 700         $installoptions['download'] = 1;
 701         print_single_button("install.php", $installoptions, get_string('download', 'install'));
 702         echo "</td>\n";
 703         echo "<td align=\"right\">\n";
 704         print_single_button("index.php", $options, get_string('continue'));
 705         echo "</td>\n";
 706         echo "</tr>\n";
 707         echo "</table>\n";
 708
 709         echo "<hr />\n";
 710         echo "<div style=\"text-align: ".fix_align_rtl("left")."\">\n";
 711         echo "<pre>\n";
 712         print_r(s($str));
 713         echo "</pre>\n";
 714         echo "</div>\n";
 715     }
 716 } else {
 717     $formaction = (isset($_GET['configfile'])) ? "install.php?configfile=".$_GET['configfile'] : "install.php";
 718     form_table($nextstage, $formaction);
 719 }
 720
 721 ?>
 722
 723         </td>
 724     </tr>
 725 </table>
 726
 727 <?php
 728 }
 729 ?>
 730
 731 </body>
 732 </html>
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743 <?php
 744
 745
 746 //==========================================================================//
 747
 748 function form_table($nextstage = WELCOME, $formaction = "install.php") {
 749     global $INSTALL, $db;
 750
 751     /// Print the standard form if we aren't in the DOWNLOADLANG page
 752     /// because it has its own form.
 753     if ($nextstage != DOWNLOADLANG) {
 754         $needtoopenform = false;
 755 ?>
 756         <form id="installform" method="post" action="<?php echo $formaction ?>">
 757         <div><input type="hidden" name="stage" value="<?php echo $nextstage ?>" /></div>
 758
 759 <?php
 760     } else {
 761         $needtoopenform = true;
 762     }
 763 ?>
 764     <table class="install_table" cellspacing="3" cellpadding="3">
 765
 766 <?php
 767     /// what we do depends on the stage we're at
 768     switch ($nextstage) {
 769         case WELCOME: /// Welcome and language settings
 770 ?>
 771             <tr>
 772                 <td class="td_left"><p class="p_install"><?php print_string('language') ?></p></td>
 773                 <td class="td_right">
 774                 <?php choose_from_menu (get_installer_list_of_languages(), 'language', $INSTALL['language'], '') ?>
 775                 </td>
 776             </tr>
 777
 778 <?php
 779             break;
 780         case COMPATIBILITY: /// Compatibilty check
 781             $compatsuccess = true;
 782
 783             /// Check that PHP is of a sufficient version
 784             print_compatibility_row(inst_check_php_version(), get_string('phpversion', 'install'), get_string('phpversionerror', 'install'), 'phpversionhelp');
 785             /// Check session auto start
 786             print_compatibility_row(!ini_get_bool('session.auto_start'), get_string('sessionautostart', 'install'), get_string('sessionautostarterror', 'install'), 'sessionautostarthelp');
 787             /// Check magic quotes
 788             print_compatibility_row(!ini_get_bool('magic_quotes_runtime'), get_string('magicquotesruntime', 'install'), get_string('magicquotesruntimeerror', 'install'), 'magicquotesruntimehelp');
 789             /// Check unsupported PHP configuration
 790             print_compatibility_row(ini_get_bool('magic_quotes_gpc') || (!ini_get_bool('register_globals')), get_string('globalsquotes', 'install'), get_string('globalsquoteserror', 'install'), 'globalsquoteshelp');
 791             /// Check safe mode
 792             print_compatibility_row(!ini_get_bool('safe_mode'), get_string('safemode', 'install'), get_string('safemodeerror', 'install'), 'safemodehelp', true);
 793             /// Check file uploads
 794             print_compatibility_row(ini_get_bool('file_uploads'), get_string('fileuploads', 'install'), get_string('fileuploadserror', 'install'), 'fileuploadshelp', true);
 795             /// Check GD version
 796             print_compatibility_row(check_gd_version(), get_string('gdversion', 'install'), get_string('gdversionerror', 'install'), 'gdversionhelp', true);
 797             /// Check memory limit
 798             print_compatibility_row(check_memory_limit(), get_string('memorylimit', 'install'), get_string('memorylimiterror', 'install'), 'memorylimithelp', true);
 799
 800
 801             break;
 802         case DIRECTORY: /// Directory settings
 803 ?>
 804
 805             <tr>
 806                 <td class="td_left"><p class="p_install"><?php print_string('wwwroot', 'install') ?></p></td>
 807                 <td class="td_right">
 808                     <input type="text" size="40"name="wwwrootform" value="<?php p($INSTALL['wwwrootform'],true) ?>" />
 809                 </td>
 810             </tr>
 811             <tr>
 812                 <td class="td_left"><p class="p_install"><?php print_string('dirroot', 'install') ?></p></td>
 813                 <td class="td_right">
 814                     <input type="text" size="40" name="dirrootform" disabled="disabled" value="<?php p($INSTALL['dirrootform'],true) ?>" />
 815                 </td>
 816             </tr>
 817             <tr>
 818                 <td class="td_left"><p class="p_install"><?php print_string('dataroot', 'install') ?></p></td>
 819                 <td class="td_right">
 820                     <input type="text" size="40" name="dataroot" value="<?php p($INSTALL['dataroot'],true) ?>" />
 821                 </td>
 822             </tr>
 823
 824 <?php
 825             break;
 826         case DATABASE: /// Database settings
 827 ?>
 828
 829             <tr>
 830                 <td class="td_left"><p class="p_install"><?php print_string('dbtype', 'install') ?></p></td>
 831                 <td class="td_right">
 832                 <?php choose_from_menu (array('mysql' => get_string('mysql', 'install'),
 833                                               'mysqli' => get_string('mysqli', 'install'),
 834                                               'oci8po' => get_string('oci8po', 'install'),
 835                                               'postgres7' => get_string('postgres7', 'install'),
 836                                               'mssql' => get_string('mssql', 'install'),
 837                                               'mssql_n' => get_string('mssql_n', 'install'),
 838                                               'odbc_mssql' => get_string('odbc_mssql', 'install')),
 839                                         'dbtype', $INSTALL['dbtype'], '', 'toggledbinfo();') ?>
 840                 </td>
 841             </tr>
 842             <tr>
 843                 <td class="td_left"><p class="p_install"><?php print_string('dbhost', 'install') ?></p></td>
 844                 <td class="td_right">
 845                     <input type="text" class="input_database" name="dbhost" value="<?php p($INSTALL['dbhost']) ?>" />
 846                 </td>
 847             </tr>
 848             <tr>
 849                 <td class="td_left"><p class="p_install"><?php print_string('database', 'install') ?></p></td>
 850                 <td class="td_right">
 851                     <input type="text" class="input_database" name="dbname" value="<?php p($INSTALL['dbname']) ?>" />
 852                 </td>
 853             </tr>
 854             <tr>
 855                 <td class="td_left"><p class="p_install"><?php print_string('user') ?></p></td>
 856                 <td class="td_right">
 857                     <input type="text" class="input_database" name="dbuser" value="<?php p($INSTALL['dbuser']) ?>" />
 858                 </td>
 859             </tr>
 860             <tr>
 861                 <td class="td_left"><p class="p_install"><?php print_string('password') ?></p></td>
 862                 <td class="td_right">
 863                     <input type="password" class="input_database" name="dbpass" value="<?php p($INSTALL['dbpass']) ?>" />
 864                 </td>
 865             </tr>
 866             <tr>
 867                 <td class="td_left"><p class="p_install"><?php print_string('dbprefix', 'install') ?></p></td>
 868                 <td class="td_right">
 869                     <input type="text" class="input_database" name="prefix" value="<?php p($INSTALL['prefix']) ?>" />
 870                 </td>
 871             </tr>
 872
 873 <?php
 874             break;
 875         case ADMIN: /// Administration directory setting
 876 ?>
 877
 878             <tr>
 879                 <td class="td_left"><p class="p_install"><?php print_string('admindirname', 'install') ?></p></td>
 880                 <td class="td_right">
 881                     <input type="text" size="40" name="admindirname" value="<?php p($INSTALL['admindirname']) ?>" />
 882                 </td>
 883             </tr>
 884
 885
 886 <?php
 887             break;
 888         case ENVIRONMENT: /// Environment checks
 889 ?>
 890
 891             <tr>
 892                 <td colspan="2">
 893                 <?php
 894                     error_reporting(0);  // Hide errors
 895                     $dbconnected = $db->Connect($INSTALL['dbhost'],$INSTALL['dbuser'],$INSTALL['dbpass'],$INSTALL['dbname']);
 896                     error_reporting(7);  // Show errors
 897                     if ($dbconnected) {
 898                     /// Execute environment check, printing results
 899                         check_moodle_environment($INSTALL['release'], $environment_results, true);
 900                     } else {
 901                     /// We never should reach this because DB has been tested before arriving here
 902                         $errormsg = get_string('dbconnectionerror', 'install');
 903                         $nextstage = DATABASE;
 904                         echo '<p class="errormsg" style="text-align:center">'.get_string('dbconnectionerror', 'install').'</p>';
 905                     }
 906                 ?>
 907                 </td>
 908             </tr>
 909
 910 <?php
 911             break;
 912         case DOWNLOADLANG: /// Download language from download.moodle.org
 913 ?>
 914
 915             <tr>
 916                 <td colspan="2">
 917                 <?php
 918                 /// Get array of languages, we are going to use it
 919                     $languages=get_installer_list_of_languages();
 920                 /// Print the download form (button) if necessary
 921                     if ($INSTALL['showdownloadlangpack'] == true && substr($INSTALL['language'],0,2) != 'en') {
 922                         $options = array();
 923                         $options['downloadlangpack'] = true;
 924                         $options['stage'] = DOWNLOADLANG;
 925                         $options['same'] = true;
 926                         print_simple_box_start('center');
 927                         print_single_button('install.php', $options, get_string('downloadlanguagebutton','install', $languages[$INSTALL['language']]), 'post');
 928                         print_simple_box_end();
 929                     } else {
 930                 /// Show result info
 931                     /// English lang packs aren't downloaded
 932                         if (substr($INSTALL['language'],0,2) == 'en') {
 933                             print_simple_box(get_string('downloadlanguagenotneeded', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 934                         } else {
 935                             if ($INSTALL['downloadlangpackerror']) {
 936                                 echo "<p class=\"errormsg\" align=\"center\">".$INSTALL['downloadlangpackerror']."</p>\n";
 937                                 print_simple_box(get_string('langdownloaderror', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 938                             } else {
 939                                 print_simple_box(get_string('langdownloadok', 'install', $languages[$INSTALL['language']]), 'center', '80%');
 940                             }
 941                         }
 942                     }
 943                 ?>
 944                 </td>
 945             </tr>
 946
 947 <?php
 948             break;
 949         default:
 950     }
 951 ?>
 952
 953     <tr>
 954         <td colspan="<?php echo ($nextstage == COMPATIBILITY) ? 3 : 2; ?>">
 955
 956 <?php
 957     if ($needtoopenform) {
 958 ?>
 959             <form id="installform" method="post" action="<?php echo $formaction ?>">
 960             <div><input type="hidden" name="stage" value="<?php echo $nextstage ?>" /></div>
 961 <?php
 962     }
 963 ?>
 964
 965             <?php echo ($nextstage < SAVE) ? "<div><input type=\"submit\" name=\"next\" value=\"".get_string('next')."  &raquo;\" style=\"float: ".fix_align_rtl("right")."\"/></div>\n" : "&nbsp;\n" ?>
 966             <?php echo ($nextstage > WELCOME) ? "<div><input type=\"submit\" name=\"prev\" value=\"&laquo;  ".get_string('previous')."\" style=\"float: ".fix_align_rtl("left")."\"/></div>\n" : "&nbsp;\n" ?>
 967
 968 <?php
 969     if ($needtoopenform) {
 970 ?>
 971             </form>
 972 <?php
 973     }
 974 ?>
 975
 976
 977         </td>
 978
 979     </tr>
 980
 981     </table>
 982 <?php
 983     if (!$needtoopenform) {
 984 ?>
 985     </form>
 986 <?php
 987     }
 988 ?>
 989
 990 <?php
 991 }
 992
 993
 994
 995 //==========================================================================//
 996
 997 function print_compatibility_row($success, $testtext, $errormessage, $helpfield='', $caution=false) {
 998     echo "<tr>\n";
 999     echo "<td class=\"td_left_nowrap\" valign=\"top\"><p class=\"p_install\">$testtext</p></td>\n";
1000     if ($success) {
1001         echo "<td valign=\"top\"><p class=\"p_pass\">".get_string('pass', 'install')."</p></td>\n";
1002         echo "<td valign=\"top\">&nbsp;</td>\n";
1003     } else {
1004         echo "<td valign=\"top\">";
1005         echo ($caution) ? "<p class=\"p_caution\">".get_string('caution', 'install') : "<p class=\"p_fail\">".get_string('fail', 'install');
1006         echo "</p></td>\n";
1007         echo "<td valign=\"top\">";
1008         echo "<p class=\"p_install\">$errormessage ";
1009         install_helpbutton("install.php?help=$helpfield");
1010         echo "</p></td>\n";
1011     }
1012     echo "</tr>\n";
1013     return $success;
1014 }
1015
1016
1017 //==========================================================================//
1018
1019 function install_helpbutton($url, $title='') {
1020     if ($title == '') {
1021         $title = get_string('help');
1022     }
1023     echo "<a href=\"javascript:void(0)\" ";
1024     echo "onclick=\"return window.open('$url','Help','menubar=0,location=0,scrollbars,resizable,width=500,height=400')\"";
1025     echo ">";
1026     echo "<img src=\"pix/help.gif\" class=\"iconhelp\" alt=\"$title\" title=\"$title\"/>";
1027     echo "</a>\n";
1028 }
1029
1030
1031
1032 //==========================================================================//
1033
1034 function print_install_help($help) {
1035     switch ($help) {
1036         case 'phpversionhelp':
1037             print_string($help, 'install', phpversion());
1038             break;
1039         case 'memorylimithelp':
1040             print_string($help, 'install', get_memory_limit());
1041             break;
1042         default:
1043             print_string($help, 'install');
1044     }
1045 }
1046
1047
1048 //==========================================================================//
1049
1050 function get_memory_limit() {
1051     if ($limit = ini_get('memory_limit')) {
1052         return $limit;
1053     } else {
1054         return get_cfg_var('memory_limit');
1055     }
1056 }
1057
1058 //==========================================================================//
1059
1060 function check_memory_limit() {
1061
1062     /// if limit is already 40 or more then we don't care if we can change it or not
1063     if ((int)str_replace('M', '', get_memory_limit()) >= 40) {
1064         return true;
1065     }
1066
1067     /// Otherwise, see if we can change it ourselves
1068     @ini_set('memory_limit', '40M');
1069     return ((int)str_replace('M', '', get_memory_limit()) >= 40);
1070 }
1071
1072 //==========================================================================//
1073
1074 function inst_check_php_version() {
1075     if (!check_php_version("4.3.0")) {
1076         return false;
1077     } else if (check_php_version("5.0.0")) {
1078         return check_php_version("5.1.0"); // 5.0.x is too buggy
1079     }
1080     return true; // 4.3.x or 4.4.x is fine
1081 }
1082 //==========================================================================//
1083
1084 /* This function returns a list of languages and their full names. The
1085  * list of available languages is fetched from install/lang/xx/installer.php
1086  * and it's used exclusively by the installation process
1087  * @return array An associative array with contents in the form of LanguageCode => LanguageName
1088  */
1089 function get_installer_list_of_languages() {
1090
1091     global $CFG;
1092
1093     $languages = array();
1094
1095 /// Get raw list of lang directories
1096     $langdirs = get_list_of_plugins('install/lang');
1097     asort($langdirs);
1098 /// Get some info from each lang
1099     foreach ($langdirs as $lang) {
1100         if (file_exists($CFG->dirroot .'/install/lang/'. $lang .'/installer.php')) {
1101             include($CFG->dirroot .'/install/lang/'. $lang .'/installer.php');
1102             if (substr($lang, -5) == '_utf8') {   //Remove the _utf8 suffix from the lang to show
1103                 $shortlang = substr($lang, 0, -5);
1104             } else {
1105                 $shortlang = $lang;
1106             }
1107             if ($lang == 'en') {  //Explain this is non-utf8 en
1108                 $shortlang = 'non-utf8 en';
1109             }
1110             if (!empty($string['thislanguage'])) {
1111                 $languages[$lang] = $string['thislanguage'] .' ('. $shortlang .')';
1112             }
1113             unset($string);
1114         }
1115     }
1116 /// Return array
1117     return $languages;
1118 }
1119
1120 //==========================================================================//
1121
1122 function css_styles() {
1123 ?>
1124
1125 <style type="text/css">
1126
1127     body { background-color: #ffeece; }
1128     p, li, td {
1129         font-family: helvetica, arial, sans-serif;
1130         font-size: 10pt;
1131     }
1132     a { text-decoration: none; color: blue; }
1133     a img {
1134         border: none;
1135     }
1136     .errormsg {
1137         color: red;
1138         font-weight: bold;
1139     }
1140     blockquote {
1141         font-family: courier, monospace;
1142         font-size: 10pt;
1143     }
1144     .input_database {
1145         width: 270px;
1146     }
1147     .install_table {
1148         width: 500px;
1149         margin-left:auto;
1150         margin-right:auto;
1151     }
1152     .td_left {
1153         text-align: <?php echo fix_align_rtl("right") ?>;
1154         font-weight: bold;
1155     }
1156     .td_left_nowrap{
1157         text-align: <?php echo fix_align_rtl("right") ?>;
1158         font-weight: bold;
1159         white-space: nowrap;
1160         width: 160px;
1161         padding-left: 10px;
1162     }
1163     .td_right {
1164         text-align: <?php echo fix_align_rtl("left") ?>;
1165     }
1166     .main {
1167         width: 80%;
1168         border-width: 1px;
1169         border-style: solid;
1170         border-color: #ffc85f;
1171         margin-left:auto;
1172         margin-right:auto;
1173         -moz-border-radius-bottomleft: 15px;
1174         -moz-border-radius-bottomright: 15px;
1175     }
1176     .td_mainheading {
1177         background-color: #fee6b9;
1178         padding-left: 10px;
1179     }
1180     .td_main {
1181         text-align: center;
1182     }
1183     .td_mainlogo {
1184         vertical-align: middle;
1185     }
1186     .p_mainlogo {
1187         margin-top: 0px;
1188         margin-bottom: 0px;
1189     }
1190     .p_mainheading {
1191         font-size: 11pt;
1192         margin-top: 16px;
1193         margin-bottom: 16px;
1194     }
1195     .p_subheading {
1196         font-size: 10pt;
1197         padding-left: 10px;
1198         margin-top: 16px;
1199         margin-bottom: 16px;
1200     }
1201     .p_mainheader{
1202         text-align: right;
1203         font-size: 20pt;
1204         font-weight: bold;
1205         margin-top: 0px;
1206         margin-bottom: 0px;
1207     }
1208     .p_pass {
1209         color: green;
1210         font-weight: bold;
1211         margin-top: 0px;
1212         margin-bottom: 0px;
1213     }
1214     .p_fail {
1215         color: red;
1216         font-weight: bold;
1217         margin-top: 0px;
1218         margin-bottom: 0px;
1219     }
1220     .p_caution {
1221         color: #ff6600;
1222         font-weight: bold;
1223         margin-top: 0px;
1224         margin-bottom: 0px;
1225     }
1226     .p_help {
1227         text-align: center;
1228         font-family: helvetica, arial, sans-serif;
1229         font-size: 14pt;
1230         font-weight: bold;
1231         color: #333333;
1232         margin-top: 0px;
1233         margin-bottom: 0px;
1234     }
1235     /* This override the p tag for every p tag in this installation script,
1236        but not in lang\xxx\installer.php
1237       */
1238     .p_install {
1239         margin-top: 0px;
1240         margin-bottom: 0px;
1241     }
1242     .environmenttable {
1243         font-size: 10pt;
1244         border-color: #ffc85f;
1245     }
1246     table.environmenttable .error {
1247         background-color : red;
1248         color : inherit;
1249     }
1250
1251     table.environmenttable .warn {
1252         background-color : yellow;
1253     }
1254
1255     table.environmenttable .ok {
1256         background-color : lightgreen;
1257     }
1258     .header {
1259         background-color: #fee6b9;
1260         font-size: 10pt;
1261     }
1262     .cell {
1263         background-color: #ffeece;
1264         font-size: 10pt;
1265     }
1266     .error {
1267         color: #ff0000;
1268     }
1269     .errorboxcontent {
1270         text-align: center;
1271         font-weight: bold;
1272         padding-left: 20px;
1273         color: #ff0000;
1274     }
1275     .invisiblefieldset {
1276       display:inline;
1277       border:0px;
1278       padding:0px;
1279       margin:0px;
1280     }
1281     #mysql, #mysqli, #postgres7, #mssql, #mssql_n, #odbc_mssql, #oci8po {
1282         display: none;
1283     }
1284
1285 </style>
1286
1287 <?php
1288 }
1289
1290 //==========================================================================//
1291
1292 function database_js() {
1293 ?>
1294
1295 <script type="text/javascript" defer="defer">
1296 function toggledbinfo() {
1297     //Calculate selected value
1298     var showid = 'mysql';
1299     if (document.getElementById('installform').dbtype.value) {
1300         showid = document.getElementById('installform').dbtype.value;
1301     }
1302     if (document.getElementById) {
1303         //Hide all the divs
1304         document.getElementById('mysql').style.display = '';
1305         document.getElementById('mysqli').style.display = '';
1306         document.getElementById('postgres7').style.display = '';
1307         document.getElementById('mssql').style.display = '';
1308         document.getElementById('mssql_n').style.display = '';
1309         document.getElementById('odbc_mssql').style.display = '';
1310         document.getElementById('oci8po').style.display = '';
1311         //Show the selected div
1312         document.getElementById(showid).style.display = 'block';
1313     } else if (document.all) {
1314         //This is the way old msie versions work
1315         //Hide all the divs
1316         document.all['mysql'].style.display = '';
1317         document.all['mysqli'].style.display = '';
1318         document.all['postgres7'].style.display = '';
1319         document.all['mssql'].style.display = '';
1320         document.all['mssql_n'].style.display = '';
1321         document.all['odbc_mssql'].style.display = '';
1322         document.all['oci8po'].style.display = '';
1323         //Show the selected div
1324         document.all[showid].style.display = 'block';
1325     } else if (document.layers) {
1326         //This is the way nn4 works
1327         //Hide all the divs
1328         document.layers['mysql'].style.display = '';
1329         document.layers['mysqli'].style.display = '';
1330         document.layers['postgres7'].style.display = '';
1331         document.layers['mssql'].style.display = '';
1332         document.layers['mssql_n'].style.display = '';
1333         document.layers['odbc_mssql'].style.display = '';
1334         document.layers['oci8po'].style.display = '';
1335         //Show the selected div
1336         document.layers[showid].style.display = 'block';
1337     }
1338 }
1339 </script>
1340
1341 <?php
1342 }
1343
1344 /**
1345  * Add slashes for single quotes and backslashes
1346  * so they can be included in single quoted string
1347  * (for config.php)
1348  */
1349 function addsingleslashes($input){
1350     return preg_replace("/(['\\\])/", "\\\\$1", $input);
1351 }
1352 ?>