- array_merge_recursive: documentation ( source)
- print_r: documentation ( source)
<?php
$ar1 = array("farbe" => array ("favorit" => "rot"), 5);
$ar2 = array(10, "farbe" => array ("favorit" => "grĂ¼n", "blau"));
$result = array_merge_recursive ($ar1, $ar2);
print_r ($result);