$a=array("a"=>"Volvo","b"=>"BMW","c"=>"Toyota");

print_r(array_reverse($a));

?>

$a=array("Volvo"،"XC90",array("BMW"،"Toyota"));
$reverse=array_reverse($a);

$preserve=array_reverse($a,true);

print_r($a);
print_r($reverse);

print_r($preserve);
?>