arrayfunctie gezocht

<?php
$array[1]['element1'] = "iets1";
$array[1]['element2'] = "iets2";
$array[1]['element3'] = "iets3";
$array[1]['element4'] = "iets4";
$array[1]['element5'] = "iets5";
?>

<?php
$array[1]['element1'] = "iets1";
$array[1]['element2'] = "iets2";
$array[1]['element3'] = "iets3";
$array[1]['element4'] = "iets4";
$array[1]['element5'] = "iets5";
?>

$key = array_search($array, "zoek_waarde"); 

$key = array_search($array, "zoek_waarde");