Online PHP editor | refs for rRpoi

<?php $items = array(array('amount' => 50), array('amount' => 60), array('amount' => 100), array('amount' => 25), array('amount' => 30), array('amount' => 89), array('amount' => 90), array('amount' => 120), array('amount' => 16), array('amount' => 38)); $itemsSum = 0; array_walk($items, function ($item) use (&$itemsSum) { $itemsSum += $item['amount']; }); echo $itemsSum;