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run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = null; $c = 1; $r = preg_replace_callback('/(<p( [^>]+)?>)/i', function ($res) { global $c; return '<p'.$res[2].' id="'.intval($c++).'">'; }, $text); $r = preg_replace('/(<p.*?)id="'.($c-1).'"(>)/i', '\1id="Last"\2', $r); $text = $r; echo $text;
Output for 5.3.0 - 7.1.0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/pP8OA on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/pP8OA on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/pP8OA on line 4
Process exited with code 255.