1   $res = array(); 2             foreach ($store as $value) { 3                 //查看有没有重复项 4                 if (isset($res[$value['bid']])) { 5                     //有：销毁 6                     unset($value['bid']); 7                 } else { 8                     $res[$value['bid']] =$value; 9                 }10             }