[1] : select tid from user_post where pid='620241' limit 1 

Array
(
    [tid] => 620242
)
Array
(
    [0] => https://www..life/imgs/image/170/17099643.jpg
    [1] => https://www..life/imgs/image/170/17099644.jpg
    [2] => https://www..life/imgs/image/170/17099645.jpg
    [3] => https://www..life/imgs/image/170/17099646.jpg
)
[2] : stage2
[3] : stage3
[4] : https://www..life/imgs/image/170/17099643.jpg
Return
(1 : 4)
[5] : https://www..life/imgs/image/170/17099644.jpg
(2 : 4)
[6] : https://www..life/imgs/image/170/17099645.jpg
(3 : 4)
[7] : https://www..life/imgs/image/170/17099646.jpg
(4 : 4)
ReturnStart Cap