3v4l.org

run code in 200+ 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', $a); var_dump($a);
Output for 4.3.0 - 7.1.7
array(1) { [0]=> array(1) { ["php"]=> float(5.3) } }