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<?php $products = array( array('idproduct' => 1, 'amount' => 5), array('idproduct' => 2, 'amount' => 10), array('idproduct' => 3, 'amount' => 11), array('idproduct' => 4, 'amount' => 5) ); addOrOverride($products, array('idproduct' => 4, 'amount' => 5)); function addOrOverride(&$arr, $newItem) { $filtered = array_filter($arr, function($item) use($newItem) { return $item['idproduct'] == $newItem['idproduct']; }); if(count($filtered) > 0) { $key = key($filtered); $arr[$key] = array_merge($arr[$key], $newItem); } else { $arr[] = $newItem; } }
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