- array_intersect_assoc: documentation ( source)
- print_r: documentation ( source)
<?php
$array1 = array("a" => "grün", "b" => "braun", "c" => "gelb", "rot");
$array2 = array("b" => "braun", "a" => "grünf", "d" => "gelb", "rot");
$ergebnis_array = array_intersect_assoc($array1, $array2);
print_r($ergebnis_array);