3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html = <<<'HTML' <article> <br> <br> <p rel="#" src="#">aaaaaa</p><br> <br> <p href="#" bla="#" bla2="#">bbbbbb</p><br><br> </article> HTML; $dom = new DOMDocument; @$dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DomXPath($dom); $elements = $xpath->query('//article/node()'); $content; foreach($elements as $element) { $content .= $element->C14N(); } echo $content;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $content in /in/oFHWs on line 21 <br></br> <br></br> <p rel="#" src="#">aaaaaa</p><br></br> <br></br> <p bla="#" bla2="#" href="#">bbbbbb</p><br></br><br></br>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined variable $content in /in/oFHWs on line 21 <br></br> <br></br> <p rel="#" src="#">aaaaaa</p><br></br> <br></br> <p bla="#" bla2="#" href="#">bbbbbb</p><br></br><br></br>
Output for 5.6.38, 7.1.0 - 7.1.22, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: content in /in/oFHWs on line 21 <br></br> <br></br> <p rel="#" src="#">aaaaaa</p><br></br> <br></br> <p bla="#" bla2="#" href="#">bbbbbb</p><br></br><br></br>
Output for 7.3.32 - 7.3.33
<br></br> <br></br> <p rel="#" src="#">aaaaaa</p><br></br> <br></br> <p bla="#" bla2="#" href="#">bbbbbb</p><br></br><br></br>
preferences:
185.9 ms | 401 KiB | 171 Q