[1] : select tid from user_post where pid='599681' limit 1 

Array
(
    [tid] => 599682
)
Array
(
    [0] => https://www.nownews.com/wp-content/uploads/2019/01/1546789927-d313920de74f75604d2d60fd26c58558.jpg
)
[2] : stage2
[3] : stage3
[4] : https://www.nownews.com/wp-content/uploads/2019/01/1546789927-d313920de74f75604d2d60fd26c58558.jpg
Return
(1 : 1)
ReturnStart Cap