3v4l.org

run code in 300+ PHP versions simultaneously
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mw.loader.load(["mediawiki.action.view.redirect","mediawiki.page.startup","mediawiki.legacy.wikibits","mediawiki.legacy.ajax","ext.centralauth.centralautologin","mmv.head","ext.visualEditor.viewPageTarget.init","ext.uls.init","ext.uls.interface","ext.centralNotice.bannerController","skins.vector.js"]); }</script> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <!--[if lt IE 7]><style type="text/css">body{behavior:url("/w/static-1.25wmf2/skins/Vector/csshover.min.htc")}</style><![endif]--> </head> <body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-International_English_Language_Testing_System skin-vector action-view vector-animateLayout"> <div id="mw-page-base" class="noprint"></div> <div id="mw-head-base" class="noprint"></div> <div id="content" class="mw-body" role="main"> <a id="top"></a> <div id="siteNotice"><!-- CentralNotice --></div> <h1 id="firstHeading" class="firstHeading" lang="en"><span dir="auto">International English Language Testing System</span></h1> <div id="bodyContent" class="mw-body-content"> <div id="siteSub">From Wikipedia, the free encyclopedia</div> <div id="contentSub">  (Redirected from <a href="/w/index.php?title=IELTS&amp;redirect=no" title="IELTS">IELTS</a>)</div> <div id="jump-to-nav" class="mw-jump"> Jump to: <a href="#mw-navigation">navigation</a>, <a href="#p-search">search</a> </div> <div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><table class="infobox vevent" cellspacing="3" style="border-spacing:3px;width:22em;"> <caption class="summary">International English Language Testing System</caption> <tr> <td colspan="2" style="text-align:center;"><a href="/wiki/File:IELTS_logo.svg" class="image"><img alt="IELTS logo.svg" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/IELTS_logo.svg/300px-IELTS_logo.svg.png" width="300" height="113" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/IELTS_logo.svg/450px-IELTS_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7f/IELTS_logo.svg/600px-IELTS_logo.svg.png 2x" data-file-width="778" data-file-height="293" /></a></td> </tr> <tr> <th scope="row" style="text-align:left;">Acronym</th> <td>IELTS</td> </tr> <tr> <th scope="row" style="text-align:left;">Type</th> <td>Standardized test. Available in 2 versions: "Academic" and "General training".</td> </tr> <tr> <th scope="row" style="text-align:left;">Developer / administrator</th> <td><a href="/wiki/Cambridge_English_Language_Assessment" title="Cambridge English Language Assessment">Cambridge English Language Assessment</a>, <a href="/wiki/British_Council" title="British Council">British Council</a>, <a href="/wiki/IDP_Education" title="IDP Education">IDP Education</a>.</td> </tr> <tr> <th scope="row" style="text-align:left;">Knowledge/skill(s) tested</th> <td>Listening, reading, writing and speaking of the <a href="/wiki/English_language" title="English language">English language</a>.</td> </tr> <tr> <th scope="row" style="text-align:left;">Purpose</th> <td>To assess the English language proficiency of non-native English speakers.</td> </tr> <tr> <th scope="row" style="text-align:left;">Duration</th> <td>Listening: 40 minutes,<br /> Reading: 60 minutes,<br /> Writing: 60 minutes,<br /> Speaking: 11–15 minutes.<br /> Total: about 3 hours.</td> </tr> <tr> </body> </html> STR; echo preg_replace('~(?is)(?:<div(?=\s)(?>(?:(?<=\s)class\s*=\s*"([^"]*)"|".*?"|\'.*?\'|[^>]*?)+>)|[&%](?:[a-z]+|(?:\#(?:[0-9]+|x[0-9a-f]+)));|<(?:(?:(?:(script|style|head|object|embed|applet|noframes|noscript|noembed)(?:\s+(?>".*?"|\'.*?\'|(?:(?!/>)[^>])?)+)?\s*>).*?</\2\s*(?=>))|(?:/?[\w:]+\s*/?)|(?:[\w:]+\s+(?:(?:(?:".*?")|(?:\'.*?\'))|(?:[^>]*?))+\s*/?)|\?.*?\?|(?:!(?:(?:DOCTYPE.*?)|(?:\[CDATA\[.*?\]\])|(?:--.*?--)|(?:ATTLIST.*?)|(?:ENTITY.*?)|(?:ELEMENT.*?))))>)~', '$1', $html);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

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preferences:
57.42 ms | 401 KiB | 5 Q