3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array1 = array("a" => array(1)); $array2 = array("a" => array("b")); $result = array_intersect($array1, $array2); print_r($result);
based on hdb8S
Output for 5.4.0 - 7.1.0
Notice: Array to string conversion in /in/jSVaf on line 4 Notice: Array to string conversion in /in/jSVaf on line 4 Array ( [a] => Array ( [0] => 1 ) )
Output for 4.3.0 - 5.3.29
Array ( [a] => Array ( [0] => 1 ) )