3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $s = '<iframe ><embed>fdgwidth=700dfg</embed>sfsdfsdf</iframe>'; $matches = array(); var_dump( preg_match('~width=["\']?(\d+)["\']?~', $s, $matshes) ); var_dump($matshes);
based on KIWZl
Output for 4.3.0 - 7.2.0
int(1) array(2) { [0]=> string(9) "width=700" [1]=> string(3) "700" }