3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function dangerous() { echo 'Dangerous code executed'; } preg_replace('/(.+)/e', '$1', 'dangerous()');
Output for 7.0.0 - 7.1.0
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/sNef7 on line 8
Output for 5.5.24 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/sNef7 on line 8 Dangerous code executed
Output for 4.3.0 - 5.4.45
Dangerous code executed