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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2,3); $b = array(1,2,3); $c = array($a, $b); $d = array_unique($c); var_dump($d);
based on FD8sh
Output for 7.2.0
Notice: Array to string conversion in /in/GmaQX on line 8 Notice: Array to string conversion in /in/GmaQX on line 8 array(1) { [0]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } }
Output for 5.4.0 - 7.1.10
Notice: Array to string conversion in /in/GmaQX on line 8 Notice: Array to string conversion in /in/GmaQX on line 8 Notice: Array to string conversion in /in/GmaQX on line 8 Notice: Array to string conversion in /in/GmaQX on line 8 array(1) { [0]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } }
Output for 4.3.0 - 5.3.29
array(1) { [0]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } }