[1] : select tid from user_post where pid='620593' limit 1 

Array
(
    [tid] => 620594
)
Array
(
    [0] => https://www..life/imgs/image/171/17108729.jpg
    [1] => https://www..life/imgs/image/171/17108730.jpg
    [2] => https://www..life/imgs/image/171/17108731.jpg
    [3] => https://www..life/imgs/image/171/17108732.jpg
    [4] => https://www..life/imgs/image/171/17108733.jpg
)
[2] : stage2
[3] : stage3
[4] : https://www..life/imgs/image/171/17108729.jpg
Return
(1 : 5)
[5] : https://www..life/imgs/image/171/17108730.jpg
(2 : 5)
[6] : https://www..life/imgs/image/171/17108731.jpg
(3 : 5)
[7] : https://www..life/imgs/image/171/17108732.jpg
(4 : 5)
[8] : https://www..life/imgs/image/171/17108733.jpg
(5 : 5)
ReturnStart Cap