3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_replace('','',$asd);
Output for 5.0.4 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: asd in /in/GaZHX on line 2 Warning: preg_replace(): Empty regular expression in /in/GaZHX on line 2
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: asd in /in/GaZHX on line 2 Warning: Empty regular expression in /in/GaZHX on line 2
Output for 4.3.11 - 5.0.3
Notice: Undefined variable: asd in /in/GaZHX on line 2 Warning: preg_replace(): Empty regular expression in /in/GaZHX on line 2
Output for 4.3.0 - 4.3.10
Notice: Undefined variable: asd in /in/GaZHX on line 2 Warning: Empty regular expression in /in/GaZHX on line 2