3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function dangerous() { echo 'Dangerous code executed'; } $string = 'dangerous!'; preg_replace('/(.+)!/e', '$1()', $string);
Output for 7.0.0 - 7.2.6
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/J4J9c on line 9
Output for 5.5.0 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/J4J9c on line 9 Dangerous code executed
Output for 4.3.0 - 5.4.45
Dangerous code executed