[1] : select tid from user_post where pid='623718' limit 1 

Array
(
    [tid] => 623719
)
Array
(
    [0] => http://orange01.online/wp-content/uploads/2019/03/49490-9ff0f1d03d49451abcb34ce2f87e2a97.jpg
    [1] => https://www.twgreatdaily.life/imgs/image/171/17137264.jpg
    [2] => https://www.twgreatdaily.life/imgs/image/171/17137265.jpg
    [3] => https://www.twgreatdaily.life/imgs/image/171/17137266.jpg
    [4] => https://www.twgreatdaily.life/imgs/image/171/17137267.jpg
    [5] => https://www.twgreatdaily.life/imgs/image/171/17137268.jpg
    [6] => https://www.twgreatdaily.life/imgs/image/171/17137269.jpg
)
[2] : stage2
[3] : stage3
[4] : http://orange01.online/wp-content/uploads/2019/03/49490-9ff0f1d03d49451abcb34ce2f87e2a97.jpg
Return
(1 : 7)
[5] : https://www.twgreatdaily.life/imgs/image/171/17137264.jpg
(2 : 7)
[6] : https://www.twgreatdaily.life/imgs/image/171/17137265.jpg
(3 : 7)
[7] : https://www.twgreatdaily.life/imgs/image/171/17137266.jpg
(4 : 7)
[8] : https://www.twgreatdaily.life/imgs/image/171/17137267.jpg
(5 : 7)
[9] : https://www.twgreatdaily.life/imgs/image/171/17137268.jpg
(6 : 7)
[10] : https://www.twgreatdaily.life/imgs/image/171/17137269.jpg
(7 : 7)
ReturnStart Cap