- var_dump: documentation ( source)
- array_intersect_assoc: documentation ( source)
- array_intersect: documentation ( source)
<?php
$array1 = array ('a' => 20, 30, 35);
$array2 = array ('b' => 20, 35, 30);
$array = array_intersect_assoc ($array1, $array2);
var_dump(array_intersect($array1, $array2));
var_dump ($array);