[1] : select tid from user_post where pid='623804' limit 1 

Array
(
    [tid] => 623806
)
Array
(
    [0] => http://orange01.online/wp-content/uploads/2019/03/49147-16c8c878216e45aea68a60e1af4f08e2.jpg
    [1] => http://orange01.online/wp-content/uploads/2019/03/1552296250-2170-20190310.jpg
    [2] => http://orange01.online/wp-content/uploads/2019/03/1552296250-5767-20190310.jpg
    [3] => http://orange01.online/wp-content/uploads/2019/03/1552296250-9282-20190310.jpg
    [4] => http://orange01.online/wp-content/uploads/2019/03/1552296249-9958-20190310.jpg
    [5] => http://orange01.online/wp-content/uploads/2019/03/1552296250-3587-20190310.jpg
)
[2] : stage2
[3] : stage3
[4] : http://orange01.online/wp-content/uploads/2019/03/49147-16c8c878216e45aea68a60e1af4f08e2.jpg
Return
(1 : 6)
[5] : http://orange01.online/wp-content/uploads/2019/03/1552296250-2170-20190310.jpg
(2 : 6)
[6] : http://orange01.online/wp-content/uploads/2019/03/1552296250-5767-20190310.jpg
(3 : 6)
[7] : http://orange01.online/wp-content/uploads/2019/03/1552296250-9282-20190310.jpg
(4 : 6)
[8] : http://orange01.online/wp-content/uploads/2019/03/1552296249-9958-20190310.jpg
(5 : 6)
[9] : http://orange01.online/wp-content/uploads/2019/03/1552296250-3587-20190310.jpg
(6 : 6)
ReturnStart Cap