3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(strtolower(strstr('travellib.errorHandler',['-' => '', '_' => '', ' ' => '', '\\' => '', '/' => ''])));
based on ZfnVq
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.3.0alpha1
Warning: strstr(): needle is not a string or an integer in /in/6rYJs on line 3 string(0) ""
Output for hhvm-3.15.4
string(0) ""