3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $subject = "abcdef"; $pattern = '/^def/'; preg_match($pattern, $subject, $matches, PREG_OFFSET_CAPTURE, 3); var_dump($subject);
Output for 4.3.3 - 7.2.0
string(6) "abcdef"
Output for 4.3.0 - 4.3.2
Warning: Wrong parameter count for preg_match() in /in/cL9Tv on line 4 string(6) "abcdef"