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<?php $arr = [ [ "id" => 15710, "sale_id" => 6699, "item_id" => 300 ], [ "id" => 15711, "sale_id" => 6699, "item_id" => 300 ], [ "id" => 15712, "sale_id" => 6699, "item_id" => 200 ], [ "id" => 15713, "sale_id" => 6699, "item_id" => 100 ], [ "id" => 15714, "sale_id" => 6699, "item_id" => 200 ], [ "id" => 15715, "sale_id" => 6699, "item_id" => 300 ] ]; $newArr = []; foreach(array_reverse($arr) as $v) { $newArr[$v['item_id']] = $v; } $newArr = array_values($newArr); print_r($newArr);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [id] => 15710 [sale_id] => 6699 [item_id] => 300 ) [1] => Array ( [id] => 15712 [sale_id] => 6699 [item_id] => 200 ) [2] => Array ( [id] => 15713 [sale_id] => 6699 [item_id] => 100 ) )

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