[1] : select tid from user_post where pid='624366' limit 1 

Array
(
    [tid] => 624367
)
Array
(
    [0] => http://orange01.online/wp-content/uploads/2019/03/1552980260-7372-d3964886-1.jpg
    [1] => http://orange01.online/wp-content/uploads/2019/03/1552980260-7372-d3964886.jpg
    [2] => http://orange01.online/wp-content/uploads/2019/03/7e90da46812bd80451cbd270ab507d82-300x225.jpg
    [3] => http://orange01.online/wp-content/uploads/2019/03/b1c85f9536e1d4bdadace507505d03cd-300x168.jpg
    [4] => http://orange01.online/wp-content/uploads/2019/03/1552980260-5274-d3963839.jpg
)
[2] : stage2
[3] : stage3
[4] : http://orange01.online/wp-content/uploads/2019/03/1552980260-7372-d3964886-1.jpg
Return
(1 : 5)
[5] : http://orange01.online/wp-content/uploads/2019/03/1552980260-7372-d3964886.jpg
(2 : 5)
[6] : http://orange01.online/wp-content/uploads/2019/03/7e90da46812bd80451cbd270ab507d82-300x225.jpg
(3 : 5)
[7] : http://orange01.online/wp-content/uploads/2019/03/b1c85f9536e1d4bdadace507505d03cd-300x168.jpg
(4 : 5)
[8] : http://orange01.online/wp-content/uploads/2019/03/1552980260-5274-d3963839.jpg
(5 : 5)
ReturnStart Cap