Online PHP editor | refs for dsep9

<?php $questionsets = array( "A" => array("category" => "Some Category A", "score" => 0), "B" => array("category" => "Some Category B", "score" => 29), "C" => array("category" => "Some Category C", "score" => 12), "D" => array("category" => "Some Category D", "score" => 88), "E" => array("category" => "Some Category E", "score" => 4), "F" => array("category" => "Some Category F", "score" => 22), "G" => array("category" => "Some Category G", "score" => 20), "H" => array("category" => "Some Category H", "score" => 40), "I" => array("category" => "Some Category I", "score" => 42) ); usort($questionsets,function($a,$b){return $b['score']-$a['score'];}); print_r($questionsets);