3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = 'things <b>that are bold </b>'; printf (preg_replace('/<\/?em>/', '', $str));
Output for 4.3.0 - 5.3.8, 5.3.10 - 7.1.0
things <b>that are bold </b>
Output for 5.3.9

Process exited with code 143.