[1] : select tid from user_post where pid='601412' limit 1 

Array
(
    [tid] => 601413
)
Array
(
    [0] => https://www.nownews.com/wp-content/uploads/2019/01/1547543355-7d1d10d2a6e0ba5cb86fb44dc64cb865.png
    [1] => https://www.nownews.com/wp-content/uploads/2019/01/1547543377-2fc21d5a532c6a8c9981510eca6cebb8.png
)
[2] : stage2
[3] : stage3
[4] : https://www.nownews.com/wp-content/uploads/2019/01/1547543355-7d1d10d2a6e0ba5cb86fb44dc64cb865.png
Return
(1 : 2)
[5] : https://www.nownews.com/wp-content/uploads/2019/01/1547543377-2fc21d5a532c6a8c9981510eca6cebb8.png
(2 : 2)
ReturnStart Cap