Is there a PHP function to order an array alphabetically?

 
$array = array('h', 't', 'a', 'z', 'b', 'p', 'l', 'e');
asort($array);
print_r($array);
 
// Array ( [2] => a [4] => b [7] => e [0] => h [6] => l [5] => p [1] => t [3] => z )