3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f($a, $k) { $b = $a[$k]; return $b === $a; }; $a = array( 0 => 12 ); echo f($a, 0);
based on FZJbq
Output for 4.3.0 - 7.2.0