Sublime Text
<?php $data = array("b"=>"Number 1", "d"=>"Number 2", "c"=>"Number 3", "a"=>"Number 4"); ksort($data); echo "<pre>"; print_r($data); echo "</pre>"; ?>
Array ( [a] => Number 4 [b] => Number 1 [c] => Number 3 [d] => Number 2 )