3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $tags = "test bla thingy uh wadsa"; $tags = preg_replace('/[\ ]*/', ',', $tags); echo $tags;
Output for 4.3.0 - 7.2.0
,t,e,s,t,,b,l,a,,t,h,i,n,g,y,,u,h,,w,a,d,s,a,