``` /** * 删除一维数组里的多个key */ function ArrayUnset(&$data,$keys){ if($keys!='' && is_array($data)){ $key = explode(',',$keys); foreach ($key as $v)unset($data[$v]); } } /** * 只允许一维数组里的某些key通过 */ function ArrayAllow(&$data,$keys){ if($keys!='' && is_array($data)){ $key = explode(',',$keys); foreach ($data as $vkeys =>$v)if(!in_array($vkeys,$key))unset($data[$vkeys]); } } ```