3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2,3,4,5); function arrayFlip($a) { $b = array_flip($a); var_dump(isset($a[1])); } function inArray($a) { var_dump(in_array(1,$a)); } arrayFlip($a); inArray($a);
Output for 4.3.0 - 7.1.0
bool(true) bool(true)