3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array('amount' => 50, 'amount' => 60, 'amount' => 100, 'amount' => 25, 'amount' => 30, 'amount' => 89, 'amount' => 90, 'amount' => 120, 'amount' => 16, 'amount' => 38); $itemsSum = 0; array_walk_recursive($items, function ($item) use (&$itemsSum) { $itemsSum += 1; }); echo $itemsSum;

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35.31 ms | 402 KiB | 5 Q