3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * How to get a json array of the text within a class? * * @link http://stackoverflow.com/a/23543493/367456 */ $html = '<body>... <th class="name" align="left" scope="col"> <a class="foo" href="foo.html">foo</a> </th> ... <th class="name" align="left" scope="col"> <a class="bar" href="bar.html">bar</a> </th> ... <th class="name" align="left" scope="col"> <a class="ba" href="baz.html">baz</a> </th></body>'; $names = function($html) { $doc = new DOMDocument(); $last = libxml_use_internal_errors(TRUE); $doc->loadHTML($html); libxml_use_internal_errors($last); $xp = new DOMXPath($doc); $result = array(); foreach ($xp->query("//*[contains(concat(' ', normalize-space(@class), ' '), ' name ')]") as $node) $result[trim($node->textContent)] = 1; return array_keys($result); }; echo json_encode(array("names" => $names($html)));
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
{"names":["foo","bar","baz"]}
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/3TUPb on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/3TUPb on line 21
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/3TUPb on line 21
Process exited with code 255.

preferences:
241.96 ms | 401 KiB | 353 Q