3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $title = 'youtube_embed_code'; $title = preg_replace("_", " ", $title); echo $title;
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): No ending delimiter '_' found in /in/Wsq7g on line 4
Output for hhvm-3.10.0 - 3.12.0
Warning: No ending delimiter '_' found: [_] in /in/Wsq7g on line 4
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '_' found in /in/Wsq7g on line 4