3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $abcd="this-is-a-test"; $abcd = preg_replace('/( *)/','', $abcd); echo $abcd."\n";
based on Jt6Wm
Output for 4.3.0 - 7.2.0
this-is-a-test