[1] : select tid from user_post where pid='635423' limit 1 

Array
(
    [tid] => 635424
)
Array
(
    [0] => http://play.nownews.com/wp-content/uploads/2019/05/1557397485-04c9b6f6a9c9d4dd16bccf371a4f9cf8.jpg
    [1] => https://www.nownews.com/wp-content/uploads/2019/05/1557397697-78124e60628d1a716880740515718032.jpg
)
[2] : stage2
[3] : stage3
[4] : http://play.nownews.com/wp-content/uploads/2019/05/1557397485-04c9b6f6a9c9d4dd16bccf371a4f9cf8.jpg
Return
(1 : 2)
[5] : https://www.nownews.com/wp-content/uploads/2019/05/1557397697-78124e60628d1a716880740515718032.jpg
(2 : 2)
ReturnStart Cap