3v4l.org

run code in 150+ 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('red', $array); // $key = 1; echo $key."<br />";
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1<br />
Output for hhvm-3.10.0

Process exited with code 153.