3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = [ [ 'qty' => 1, 'weight' => 1, ], [ 'qty' => 2, 'weight' => 1, ], [ 'qty' => 3, 'weight' => 1, ], [ 'qty' => 1, 'weight' => 5, ], ]; $weights = array_column($items, 'weight'); $result =0; Foreach(array_unique($weights) as $weight){ $weightitems = preg_grep("/". $weight . "/", $weights); $result += array_sum(array_column(array_intersect_key($items, $weightitems), "qty")) * $weight; } Echo $result;
Output for git.master, git.master_jit, rfc.property-hooks
11

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
29.11 ms | 401 KiB | 8 Q