3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i=0;preg_replace('/(\w)/e','$i^=" ";$1',"asd, qwe Z!");
Output for 7.0.0 - 7.2.0
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/Dr1PD on line 1
Output for 5.5.24 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/Dr1PD on line 1
Output for 5.3.19 - 5.4.45