3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $param_name = "solution"; $search_keys = array(0 => 'solution', 1 => 'server'); print array_search($param_name, $search_keys);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
0
Output for hhvm-3.10.0

Process exited with code 153.