Online PHP editor | refs for jOR7Z

<?php $array_1 = Array (4, 6, 2, 6, 4, 10, 4, 6, 2, 2, 4, 4, 2, 2 ); $array_2 = Array ("DK","GA","DK","GA","DK","GA","WE","VE","WE","VE","PLA","PRA","PLA","PRA" ) ; Foreach($array_2 as $key => $val){ If(!isset($new[$val])) $new[$val] =0; $new[$val] += $array_1[$key]; } Var_dump($new);