[1] : select tid from user_post where pid='624212' limit 1 

Array
(
    [tid] => 624213
)
Array
(
    [0] => https://img.chinatimes.com/newsphoto/2019-03-14/360/20190314002005.jpg
)
[2] : stage2
[3] : stage3
[4] : https://img.chinatimes.com/newsphoto/2019-03-14/360/20190314002005.jpg
Return
(1 : 1)
ReturnStart Cap