数组

获取数组中的某个字段
＄data=
Array
(
    [0] => Array
        (
            [goods_id] => 9
            [goods_name] => zzx
            [goods_price] => 5999.00
            [promote_price] => 5999.00
            [origion_price] => 16000.00
            [is_verified] => 0
            [m_id] => 2
            [a_province] => 0
            [a_city] => 1
            [status] => 0
            [is_vip] => 0
            [add_time] => 1484020651
            [up_time] => 1484020651
            [remark] => 
            [goods_photo] => http://www.daxi99.cn
            [is_promote] => 0
            [c_id] => 1
            [goods_sn] => DX1701500010
            [goods_num] => 1
            [sale_num] => 0
            [comment_num] => 0
            [show_num] => 0
            [agree_num] => 0
            [goods_brief] => 111
        )

    [1] => Array
        (
            [goods_id] => 14
            [goods_name] => qw
            [goods_price] => 4000.00
            [promote_price] => 3999.00
            [origion_price] => 4500.00
            [is_verified] => 0
            [m_id] => 2
            [a_province] => 0
            [a_city] => 0
            [status] => 1
            [is_vip] => 0
            [add_time] => 1487315990
            [up_time] => 1487315990
            [remark] => 
            [goods_photo] => http://www.dx99.cn
            [is_promote] => 0
            [c_id] => 2
            [goods_sn] => DX1702123123
            [goods_num] => 1
            [sale_num] => 0
            [comment_num] => 0
            [show_num] => 0
            [agree_num] => 0
            [goods_brief] => 1212
        )

)

foreach ($data as $value) {
           $val[] = $value['goods_id'];
           // print_r($val);die();　
 }


判断某个值是否存在于数组中
in_array($goods_id,$val);