3 * Helper class for the index.php entry point.
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
23 use MediaWiki\Logger\LoggerFactory
;
26 * The MediaWiki class is the helper class for the index.php entry point.
40 * @param IContextSource|null $context
42 public function __construct( IContextSource
$context = null ) {
44 $context = RequestContext
::getMain();
47 $this->context
= $context;
48 $this->config
= $context->getConfig();
52 * Parse the request to get the Title object
54 * @throws MalformedTitleException If a title has been provided by the user, but is invalid.
55 * @return Title Title object to be $wgTitle
57 private function parseTitle() {
60 $request = $this->context
->getRequest();
61 $curid = $request->getInt( 'curid' );
62 $title = $request->getVal( 'title' );
63 $action = $request->getVal( 'action' );
65 if ( $request->getCheck( 'search' ) ) {
66 // Compatibility with old search URLs which didn't use Special:Search
67 // Just check for presence here, so blank requests still
68 // show the search page when using ugly URLs (bug 8054).
69 $ret = SpecialPage
::getTitleFor( 'Search' );
71 // URLs like this are generated by RC, because rc_title isn't always accurate
72 $ret = Title
::newFromID( $curid );
74 $ret = Title
::newFromURL( $title );
75 // Alias NS_MEDIA page URLs to NS_FILE...we only use NS_MEDIA
76 // in wikitext links to tell Parser to make a direct file link
77 if ( !is_null( $ret ) && $ret->getNamespace() == NS_MEDIA
) {
78 $ret = Title
::makeTitle( NS_FILE
, $ret->getDBkey() );
80 // Check variant links so that interwiki links don't have to worry
81 // about the possible different language variants
82 if ( count( $wgContLang->getVariants() ) > 1
83 && !is_null( $ret ) && $ret->getArticleID() == 0
85 $wgContLang->findVariantLink( $title, $ret );
89 // If title is not provided, always allow oldid and diff to set the title.
90 // If title is provided, allow oldid and diff to override the title, unless
91 // we are talking about a special page which might use these parameters for
93 if ( $ret === null ||
!$ret->isSpecialPage() ) {
94 // We can have urls with just ?diff=,?oldid= or even just ?diff=
95 $oldid = $request->getInt( 'oldid' );
96 $oldid = $oldid ?
$oldid : $request->getInt( 'diff' );
97 // Allow oldid to override a changed or missing title
99 $rev = Revision
::newFromId( $oldid );
100 $ret = $rev ?
$rev->getTitle() : $ret;
104 // Use the main page as default title if nothing else has been provided
106 && strval( $title ) === ''
107 && !$request->getCheck( 'curid' )
108 && $action !== 'delete'
110 $ret = Title
::newMainPage();
113 if ( $ret === null ||
( $ret->getDBkey() == '' && !$ret->isExternal() ) ) {
114 // If we get here, we definitely don't have a valid title; throw an exception.
115 // Try to get detailed invalid title exception first, fall back to MalformedTitleException.
116 Title
::newFromTextThrow( $title );
117 throw new MalformedTitleException( 'badtitletext', $title );
124 * Get the Title object that we'll be acting on, as specified in the WebRequest
127 public function getTitle() {
128 if ( !$this->context
->hasTitle() ) {
130 $this->context
->setTitle( $this->parseTitle() );
131 } catch ( MalformedTitleException
$ex ) {
132 $this->context
->setTitle( SpecialPage
::getTitleFor( 'Badtitle' ) );
135 return $this->context
->getTitle();
139 * Returns the name of the action that will be executed.
141 * @return string Action
143 public function getAction() {
144 static $action = null;
146 if ( $action === null ) {
147 $action = Action
::getActionName( $this->context
);
154 * Performs the request.
157 * - local interwiki redirects
162 * @throws MWException|PermissionsError|BadTitleError|HttpError
165 private function performRequest() {
168 $request = $this->context
->getRequest();
169 $requestTitle = $title = $this->context
->getTitle();
170 $output = $this->context
->getOutput();
171 $user = $this->context
->getUser();
173 if ( $request->getVal( 'printable' ) === 'yes' ) {
174 $output->setPrintable();
177 $unused = null; // To pass it by reference
178 Hooks
::run( 'BeforeInitialize', array( &$title, &$unused, &$output, &$user, $request, $this ) );
180 // Invalid titles. Bug 21776: The interwikis must redirect even if the page name is empty.
181 if ( is_null( $title ) ||
( $title->getDBkey() == '' && !$title->isExternal() )
182 ||
$title->isSpecial( 'Badtitle' )
184 $this->context
->setTitle( SpecialPage
::getTitleFor( 'Badtitle' ) );
187 } catch ( MalformedTitleException
$ex ) {
188 throw new BadTitleError( $ex );
190 throw new BadTitleError();
193 // Check user's permissions to read this page.
194 // We have to check here to catch special pages etc.
195 // We will check again in Article::view().
196 $permErrors = $title->isSpecial( 'RunJobs' )
197 ?
array() // relies on HMAC key signature alone
198 : $title->getUserPermissionsErrors( 'read', $user );
199 if ( count( $permErrors ) ) {
200 // Bug 32276: allowing the skin to generate output with $wgTitle or
201 // $this->context->title set to the input title would allow anonymous users to
202 // determine whether a page exists, potentially leaking private data. In fact, the
203 // curid and oldid request parameters would allow page titles to be enumerated even
204 // when they are not guessable. So we reset the title to Special:Badtitle before the
205 // permissions error is displayed.
207 // The skin mostly uses $this->context->getTitle() these days, but some extensions
208 // still use $wgTitle.
210 $badTitle = SpecialPage
::getTitleFor( 'Badtitle' );
211 $this->context
->setTitle( $badTitle );
212 $wgTitle = $badTitle;
214 throw new PermissionsError( 'read', $permErrors );
217 // Interwiki redirects
218 if ( $title->isExternal() ) {
219 $rdfrom = $request->getVal( 'rdfrom' );
221 $url = $title->getFullURL( array( 'rdfrom' => $rdfrom ) );
223 $query = $request->getValues();
224 unset( $query['title'] );
225 $url = $title->getFullURL( $query );
227 // Check for a redirect loop
228 if ( !preg_match( '/^' . preg_quote( $this->config
->get( 'Server' ), '/' ) . '/', $url )
231 // 301 so google et al report the target as the actual url.
232 $output->redirect( $url, 301 );
234 $this->context
->setTitle( SpecialPage
::getTitleFor( 'Badtitle' ) );
237 } catch ( MalformedTitleException
$ex ) {
238 throw new BadTitleError( $ex );
240 throw new BadTitleError();
242 // Redirect loops, no title in URL, $wgUsePathInfo URLs, and URLs with a variant
243 } elseif ( $request->getVal( 'action', 'view' ) == 'view' && !$request->wasPosted()
244 && ( $request->getVal( 'title' ) === null
245 ||
$title->getPrefixedDBkey() != $request->getVal( 'title' ) )
246 && !count( $request->getValueNames( array( 'action', 'title' ) ) )
247 && Hooks
::run( 'TestCanonicalRedirect', array( $request, $title, $output ) )
249 if ( $title->isSpecialPage() ) {
250 list( $name, $subpage ) = SpecialPageFactory
::resolveAlias( $title->getDBkey() );
252 $title = SpecialPage
::getTitleFor( $name, $subpage );
255 $targetUrl = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT
);
256 // Redirect to canonical url, make it a 301 to allow caching
257 if ( $targetUrl == $request->getFullRequestURL() ) {
258 $message = "Redirect loop detected!\n\n" .
259 "This means the wiki got confused about what page was " .
260 "requested; this sometimes happens when moving a wiki " .
261 "to a new server or changing the server configuration.\n\n";
263 if ( $this->config
->get( 'UsePathInfo' ) ) {
264 $message .= "The wiki is trying to interpret the page " .
265 "title from the URL path portion (PATH_INFO), which " .
266 "sometimes fails depending on the web server. Try " .
267 "setting \"\$wgUsePathInfo = false;\" in your " .
268 "LocalSettings.php, or check that \$wgArticlePath " .
271 $message .= "Your web server was detected as possibly not " .
272 "supporting URL path components (PATH_INFO) correctly; " .
273 "check your LocalSettings.php for a customized " .
274 "\$wgArticlePath setting and/or toggle \$wgUsePathInfo " .
277 throw new HttpError( 500, $message );
279 $output->setSquidMaxage( 1200 );
280 $output->redirect( $targetUrl, '301' );
283 } elseif ( NS_SPECIAL
== $title->getNamespace() ) {
284 // Actions that need to be made when we have a special pages
285 SpecialPageFactory
::executePath( $title, $this->context
);
287 // ...otherwise treat it as an article view. The article
288 // may be a redirect to another article or URL.
289 $article = $this->initializeArticle();
290 if ( is_object( $article ) ) {
291 $this->performAction( $article, $requestTitle );
292 } elseif ( is_string( $article ) ) {
293 $output->redirect( $article );
295 throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle()"
296 . " returned neither an object nor a URL" );
302 * Initialize the main Article object for "standard" actions (view, etc)
303 * Create an Article object for the page, following redirects if needed.
305 * @return mixed An Article, or a string to redirect to another URL
307 private function initializeArticle() {
309 $title = $this->context
->getTitle();
310 if ( $this->context
->canUseWikiPage() ) {
311 // Try to use request context wiki page, as there
312 // is already data from db saved in per process
313 // cache there from this->getAction() call.
314 $page = $this->context
->getWikiPage();
315 $article = Article
::newFromWikiPage( $page, $this->context
);
317 // This case should not happen, but just in case.
318 $article = Article
::newFromTitle( $title, $this->context
);
319 $this->context
->setWikiPage( $article->getPage() );
322 // NS_MEDIAWIKI has no redirects.
323 // It is also used for CSS/JS, so performance matters here...
324 if ( $title->getNamespace() == NS_MEDIAWIKI
) {
328 $request = $this->context
->getRequest();
330 // Namespace might change when using redirects
331 // Check for redirects ...
332 $action = $request->getVal( 'action', 'view' );
333 $file = ( $title->getNamespace() == NS_FILE
) ?
$article->getFile() : null;
334 if ( ( $action == 'view' ||
$action == 'render' ) // ... for actions that show content
335 && !$request->getVal( 'oldid' ) // ... and are not old revisions
336 && !$request->getVal( 'diff' ) // ... and not when showing diff
337 && $request->getVal( 'redirect' ) != 'no' // ... unless explicitly told not to
338 // ... and the article is not a non-redirect image page with associated file
339 && !( is_object( $file ) && $file->exists() && !$file->getRedirected() )
341 // Give extensions a change to ignore/handle redirects as needed
342 $ignoreRedirect = $target = false;
344 Hooks
::run( 'InitializeArticleMaybeRedirect',
345 array( &$title, &$request, &$ignoreRedirect, &$target, &$article ) );
347 // Follow redirects only for... redirects.
348 // If $target is set, then a hook wanted to redirect.
349 if ( !$ignoreRedirect && ( $target ||
$article->isRedirect() ) ) {
350 // Is the target already set by an extension?
351 $target = $target ?
$target : $article->followRedirect();
352 if ( is_string( $target ) ) {
353 if ( !$this->config
->get( 'DisableHardRedirects' ) ) {
354 // we'll need to redirect
358 if ( is_object( $target ) ) {
359 // Rewrite environment to redirected article
360 $rarticle = Article
::newFromTitle( $target, $this->context
);
361 $rarticle->loadPageData();
362 if ( $rarticle->exists() ||
( is_object( $file ) && !$file->isLocal() ) ) {
363 $rarticle->setRedirectedFrom( $title );
364 $article = $rarticle;
365 $this->context
->setTitle( $target );
366 $this->context
->setWikiPage( $article->getPage() );
370 $this->context
->setTitle( $article->getTitle() );
371 $this->context
->setWikiPage( $article->getPage() );
379 * Perform one of the "standard" actions
382 * @param Title $requestTitle The original title, before any redirects were applied
384 private function performAction( Page
$page, Title
$requestTitle ) {
386 $request = $this->context
->getRequest();
387 $output = $this->context
->getOutput();
388 $title = $this->context
->getTitle();
389 $user = $this->context
->getUser();
391 if ( !Hooks
::run( 'MediaWikiPerformAction',
392 array( $output, $page, $title, $user, $request, $this ) )
397 $act = $this->getAction();
399 $action = Action
::factory( $act, $page, $this->context
);
401 if ( $action instanceof Action
) {
402 # Let Squid cache things if we can purge them.
403 if ( $this->config
->get( 'UseSquid' ) &&
405 // Use PROTO_INTERNAL because that's what getSquidURLs() uses
406 wfExpandUrl( $request->getRequestURL(), PROTO_INTERNAL
),
407 $requestTitle->getSquidURLs()
410 $output->setSquidMaxage( $this->config
->get( 'SquidMaxage' ) );
417 if ( Hooks
::run( 'UnknownAction', array( $request->getVal( 'action', 'view' ), $page ) ) ) {
418 $output->setStatusCode( 404 );
419 $output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
425 * Run the current MediaWiki instance; index.php just calls this
427 public function run() {
429 $this->checkMaxLag();
432 } catch ( ErrorPageError
$e ) {
433 // Bug 62091: while exceptions are convenient to bubble up GUI errors,
434 // they are not internal application faults. As with normal requests, this
435 // should commit, print the output, do deferred updates, jobs, and profiling.
436 $this->doPreOutputCommit();
437 $e->report(); // display the GUI error
439 } catch ( Exception
$e ) {
440 MWExceptionHandler
::handleException( $e );
443 $this->doPostOutputShutdown( 'normal' );
447 * This function commits all DB changes as needed before
448 * the user can receive a response (in case commit fails)
452 public function doPreOutputCommit() {
453 // Either all DBs should commit or none
454 ignore_user_abort( true );
455 wfGetLBFactory()->commitMasterChanges();
459 * This function does work that can be done *after* the
460 * user gets the HTTP response so they don't block on it
462 * @param string $mode Use 'fast' to always skip job running
465 public function doPostOutputShutdown( $mode = 'normal' ) {
466 // Show profiling data if enabled
467 Profiler
::instance()->logDataPageOutputOnly();
470 $callback = function () use ( $that, $mode ) {
472 // Assure deferred updates are not in the main transaction
473 wfGetLBFactory()->commitMasterChanges();
474 // Run jobs occasionally, if enabled
475 if ( $mode === 'normal' ) {
476 $that->triggerJobs();
478 // Do deferred updates and job insertion and final commit
479 $that->restInPeace();
480 } catch ( Exception
$e ) {
481 MWExceptionHandler
::handleException( $e );
485 if ( function_exists( 'register_postsend_function' ) ) {
486 // https://github.com/facebook/hhvm/issues/1230
487 register_postsend_function( $callback );
489 if ( function_exists( 'fastcgi_finish_request' ) ) {
490 fastcgi_finish_request();
492 // Either all DB and deferred updates should happen or none.
493 // The later should not be cancelled due to client disconnect.
494 ignore_user_abort( true );
502 * Checks if the request should abort due to a lagged server,
503 * for given maxlag parameter.
506 private function checkMaxLag() {
507 $maxLag = $this->context
->getRequest()->getVal( 'maxlag' );
508 if ( !is_null( $maxLag ) ) {
509 list( $host, $lag ) = wfGetLB()->getMaxLag();
510 if ( $lag > $maxLag ) {
511 $resp = $this->context
->getRequest()->response();
512 $resp->statusHeader( 503 );
513 $resp->header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
514 $resp->header( 'X-Database-Lag: ' . intval( $lag ) );
515 $resp->header( 'Content-Type: text/plain' );
516 if ( $this->config
->get( 'ShowHostnames' ) ) {
517 echo "Waiting for $host: $lag seconds lagged\n";
519 echo "Waiting for a database server: $lag seconds lagged\n";
528 private function main() {
529 global $wgTitle, $wgTrxProfilerLimits;
531 $request = $this->context
->getRequest();
533 // Send Ajax requests to the Ajax dispatcher.
534 if ( $this->config
->get( 'UseAjax' ) && $request->getVal( 'action' ) === 'ajax' ) {
535 // Set a dummy title, because $wgTitle == null might break things
536 $title = Title
::makeTitle( NS_SPECIAL
, 'Badtitle/performing an AJAX call in '
539 $this->context
->setTitle( $title );
542 $dispatcher = new AjaxDispatcher( $this->config
);
543 $dispatcher->performAction( $this->context
->getUser() );
547 // Get title from request parameters,
548 // is set on the fly by parseTitle the first time.
549 $title = $this->getTitle();
550 $action = $this->getAction();
553 $trxProfiler = Profiler
::instance()->getTransactionProfiler();
554 $trxProfiler->setLogger( LoggerFactory
::getInstance( 'DBPerformance' ) );
556 // Aside from rollback, master queries should not happen on GET requests.
557 // Periodic or "in passing" updates on GET should use the job queue.
558 if ( !$request->wasPosted()
559 && in_array( $action, array( 'view', 'edit', 'history' ) )
561 $trxProfiler->setExpectations( $wgTrxProfilerLimits['GET'], __METHOD__
);
563 $trxProfiler->setExpectations( $wgTrxProfilerLimits['POST'], __METHOD__
);
566 // If the user has forceHTTPS set to true, or if the user
567 // is in a group requiring HTTPS, or if they have the HTTPS
568 // preference set, redirect them to HTTPS.
569 // Note: Do this after $wgTitle is setup, otherwise the hooks run from
570 // isLoggedIn() will do all sorts of weird stuff.
572 $request->getProtocol() == 'http' &&
574 $request->getCookie( 'forceHTTPS', '' ) ||
575 // check for prefixed version for currently logged in users
576 $request->getCookie( 'forceHTTPS' ) ||
577 // Avoid checking the user and groups unless it's enabled.
579 $this->context
->getUser()->isLoggedIn()
580 && $this->context
->getUser()->requiresHTTPS()
584 $oldUrl = $request->getFullRequestURL();
585 $redirUrl = preg_replace( '#^http://#', 'https://', $oldUrl );
587 // ATTENTION: This hook is likely to be removed soon due to overall design of the system.
588 if ( Hooks
::run( 'BeforeHttpsRedirect', array( $this->context
, &$redirUrl ) ) ) {
590 if ( $request->wasPosted() ) {
591 // This is weird and we'd hope it almost never happens. This
592 // means that a POST came in via HTTP and policy requires us
593 // redirecting to HTTPS. It's likely such a request is going
594 // to fail due to post data being lost, but let's try anyway
595 // and just log the instance.
597 // @todo FIXME: See if we could issue a 307 or 308 here, need
598 // to see how clients (automated & browser) behave when we do
599 wfDebugLog( 'RedirectedPosts', "Redirected from HTTP to HTTPS: $oldUrl" );
601 // Setup dummy Title, otherwise OutputPage::redirect will fail
602 $title = Title
::newFromText( 'REDIR', NS_MAIN
);
603 $this->context
->setTitle( $title );
604 $output = $this->context
->getOutput();
605 // Since we only do this redir to change proto, always send a vary header
606 $output->addVaryHeader( 'X-Forwarded-Proto' );
607 $output->redirect( $redirUrl );
613 if ( $this->config
->get( 'UseFileCache' ) && $title->getNamespace() >= 0 ) {
614 if ( HTMLFileCache
::useFileCache( $this->context
) ) {
615 // Try low-level file cache hit
616 $cache = new HTMLFileCache( $title, $action );
617 if ( $cache->isCacheGood( /* Assume up to date */ ) ) {
618 // Check incoming headers to see if client has this cached
619 $timestamp = $cache->cacheTimestamp();
620 if ( !$this->context
->getOutput()->checkLastModified( $timestamp ) ) {
621 $cache->loadFromFileCache( $this->context
);
623 // Do any stats increment/watchlist stuff
624 // Assume we're viewing the latest revision (this should always be the case with file cache)
625 $this->context
->getWikiPage()->doViewUpdates( $this->context
->getUser() );
626 // Tell OutputPage that output is taken care of
627 $this->context
->getOutput()->disable();
633 // Actually do the work of the request and build up any output
634 $this->performRequest();
636 // Now commit any transactions, so that unreported errors after
637 // output() don't roll back the whole DB transaction and so that
638 // we avoid having both success and error text in the response
639 $this->doPreOutputCommit();
641 // Output everything!
642 $this->context
->getOutput()->output();
646 * Ends this task peacefully
648 public function restInPeace() {
649 // Ignore things like master queries/connections on GET requests
650 // as long as they are in deferred updates (which catch errors).
651 Profiler
::instance()->getTransactionProfiler()->resetExpectations();
653 // Do any deferred jobs
654 DeferredUpdates
::doUpdates( 'commit' );
656 // Make sure any lazy jobs are pushed
657 JobQueueGroup
::pushLazyJobs();
659 // Log profiling data, e.g. in the database or UDP
660 wfLogProfilingData();
662 // Commit and close up!
663 $factory = wfGetLBFactory();
664 $factory->commitMasterChanges();
665 $factory->shutdown();
667 wfDebug( "Request ended normally\n" );
671 * Potentially open a socket and sent an HTTP request back to the server
672 * to run a specified number of jobs. This registers a callback to cleanup
673 * the socket once it's done.
675 public function triggerJobs() {
676 $jobRunRate = $this->config
->get( 'JobRunRate' );
677 if ( $jobRunRate <= 0 ||
wfReadOnly() ) {
679 } elseif ( $this->getTitle()->isSpecial( 'RunJobs' ) ) {
680 return; // recursion guard
683 if ( $jobRunRate < 1 ) {
684 $max = mt_getrandmax();
685 if ( mt_rand( 0, $max ) > $max * $jobRunRate ) {
686 return; // the higher the job run rate, the less likely we return here
690 $n = intval( $jobRunRate );
693 $runJobsLogger = LoggerFactory
::getInstance( 'runJobs' );
695 if ( !$this->config
->get( 'RunJobsAsync' ) ) {
696 // Fall back to running the job here while the user waits
697 $runner = new JobRunner( $runJobsLogger );
698 $runner->run( array( 'maxJobs' => $n ) );
703 if ( !JobQueueGroup
::singleton()->queuesHaveJobs( JobQueueGroup
::TYPE_DEFAULT
) ) {
704 return; // do not send request if there are probably no jobs
706 } catch ( JobQueueError
$e ) {
707 MWExceptionHandler
::logException( $e );
708 return; // do not make the site unavailable
711 $query = array( 'title' => 'Special:RunJobs',
712 'tasks' => 'jobs', 'maxjobs' => $n, 'sigexpiry' => time() +
5 );
713 $query['signature'] = SpecialRunJobs
::getQuerySignature(
714 $query, $this->config
->get( 'SecretKey' ) );
716 $errno = $errstr = null;
717 $info = wfParseUrl( $this->config
->get( 'Server' ) );
718 MediaWiki\
suppressWarnings();
721 isset( $info['port'] ) ?
$info['port'] : 80,
724 // If it takes more than 100ms to connect to ourselves there
725 // is a problem elsewhere.
728 MediaWiki\restoreWarnings
();
730 $runJobsLogger->error( "Failed to start cron API (socket error $errno): $errstr" );
731 // Fall back to running the job here while the user waits
732 $runner = new JobRunner( $runJobsLogger );
733 $runner->run( array( 'maxJobs' => $n ) );
737 $url = wfAppendQuery( wfScript( 'index' ), $query );
739 "POST $url HTTP/1.1\r\n" .
740 "Host: {$info['host']}\r\n" .
741 "Connection: Close\r\n" .
742 "Content-Length: 0\r\n\r\n"
745 $runJobsLogger->info( "Running $n job(s) via '$url'" );
746 // Send a cron API request to be performed in the background.
747 // Give up if this takes too long to send (which should be rare).
748 stream_set_timeout( $sock, 1 );
749 $bytes = fwrite( $sock, $req );
750 if ( $bytes !== strlen( $req ) ) {
751 $runJobsLogger->error( "Failed to start cron API (socket write error)" );
753 // Do not wait for the response (the script should handle client aborts).
754 // Make sure that we don't close before that script reaches ignore_user_abort().
755 $status = fgets( $sock );
756 if ( !preg_match( '#^HTTP/\d\.\d 202 #', $status ) ) {
757 $runJobsLogger->error( "Failed to start cron API: received '$status'" );