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<?php $arr = [ (object)['id' => 1, 'nome' => 'T.SHIRT', 'quantita' => 2,], (object)['id' => 2, 'nome' => 'Sweatshirt', 'quantita' => 4,], (object)['id' => 1, 'nome' => 'T.SHIRT', 'quantita' => 4,], ]; $store = []; foreach($arr as $record) { if(isset($store[$record->id])) { $store[$record->id]->quantita += $record->quantita; } else $store[$record->id] = $record; } var_dump($store);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [1]=> object(stdClass)#1 (3) { ["id"]=> int(1) ["nome"]=> string(7) "T.SHIRT" ["quantita"]=> int(6) } [2]=> object(stdClass)#2 (3) { ["id"]=> int(2) ["nome"]=> string(10) "Sweatshirt" ["quantita"]=> int(4) } }

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