[1] : select tid from user_post where pid='628953' limit 1 

Array
(
    [tid] => 628954
)
Array
(
    [0] => http://play.nownews.com/wp-content/uploads/2019/04/1555605035-6c7901dae6b2f48a25cbbb718c85c125-1024x683.jpg
    [1] => https://www.nownews.com/wp-content/uploads/2019/04/1555604885-4a68126f672f2746d92b60110fd067d3-1024x683.jpg
    [2] => https://www.nownews.com/wp-content/uploads/2019/04/1555605158-6e93a8db1bdc928c20c86aad194e66ff-1024x605.jpg
    [3] => https://www.nownews.com/wp-content/uploads/2019/04/1555605166-6cc4a8fcf27154eff8689bf828e861ff-1024x768.jpg
)
[2] : stage2
[3] : stage3
[4] : http://play.nownews.com/wp-content/uploads/2019/04/1555605035-6c7901dae6b2f48a25cbbb718c85c125-1024x683.jpg
Return
(1 : 4)
[5] : https://www.nownews.com/wp-content/uploads/2019/04/1555604885-4a68126f672f2746d92b60110fd067d3-1024x683.jpg
(2 : 4)
[6] : https://www.nownews.com/wp-content/uploads/2019/04/1555605158-6e93a8db1bdc928c20c86aad194e66ff-1024x605.jpg
(3 : 4)
[7] : https://www.nownews.com/wp-content/uploads/2019/04/1555605166-6cc4a8fcf27154eff8689bf828e861ff-1024x768.jpg
(4 : 4)
ReturnStart Cap