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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array1 = array("a" => array(1)); $array2 = array("a" => array(1)); $result = array_intersect($array1, $array2); print_r($result);
based on H4hS0
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/T7tBE on line 4 Notice: Array to string conversion in /in/T7tBE on line 4 Array ( [a] => Array ( [0] => 1 ) )
Output for 4.3.0 - 5.3.29
Array ( [a] => Array ( [0] => 1 ) )