3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red'); $key = array_search('green', $array); // $key = 2; $key = array_search('blues', $array); // $key = 1; Var_dump($key);
based on 3PXWM
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
bool(false)