[1] : select tid from user_post where pid='636459' limit 1 

Array
(
    [tid] => 636460
)
Array
(
    [0] => http://play.nownews.com/wp-content/uploads/2019/05/1557749315-ffbcc6255efc7284102325ae2b07bc4d.jpg
    [1] => https://www.nownews.com/wp-content/uploads/2019/05/1557749423-c2cba7e7b6e16cc3ee5e886f25623d93-1024x683.jpg
)
[2] : stage2
[3] : stage3
[4] : http://play.nownews.com/wp-content/uploads/2019/05/1557749315-ffbcc6255efc7284102325ae2b07bc4d.jpg
Return
(1 : 2)
[5] : https://www.nownews.com/wp-content/uploads/2019/05/1557749423-c2cba7e7b6e16cc3ee5e886f25623d93-1024x683.jpg
(2 : 2)
ReturnStart Cap