我有一个PHP代码$brandNames=array();foreach($maufacturersas$manu){array_push($brandNames,array($manu->getTitle()=>$manu->getUrl()));}print_r($brandNames);我得到输出为Array([0]=>Array([key0]=>val0)[1]=>Array([key1]=>val1)[2]=>Array([key2]=>val2))我需要输出为Array([key0]=>val0[key1]=>val1[key2]=>val2[key3]=>val3)不是嵌