Array Values to Lower. (Opgelost)

<?php
function array_change_value_case( $array )
{

    $tmp = array_flip( $array );
    array_change_key_case( $tmp );
    $array = array_flip( $tmp ); 

}

$namen = array( 1 => 'stijn' , 32 => 'ibrahim' );
array_change_value_case( & $namen );
?>

<?php
function array_change_value_case( $array )
{
 
    $tmp = array_flip( $array );
    array_change_key_case( $tmp );
    $array = array_flip( $tmp ); 
 
}
 
$namen = array( 1 => 'stijn' , 32 => 'ibrahim' );
array_change_value_case( & $namen );
?>