3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $content = <<<CONTENT abc @tag CONTENT; $matches = array(); var_dump(preg_match('/\n\w*@/', $content, $matches, null, 0) === 1);
based on L8Umh
Output for 4.3.3 - 7.1.0
bool(true)
Output for 4.3.0 - 4.3.2
Warning: Wrong parameter count for preg_match() in /in/MhfBD on line 8 bool(false)