3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array ( 0 => array ( 'php' => 5.3, ), 1 => array ( 'php' => 5.3, ), 2 => array ( 'php' => 5.3, ), ); $a = array_map('serialize', $a); $a = array_unique($a); $a = array_map('unserialize', $a);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0