[1] : select tid from user_post where pid='647887' limit 1 

Array
(
    [tid] => 647888
)
Array
(
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)
[2] : stage2
[3] : stage3
[4] : https://imgs.gotrip.hk/wp-content/uploads/2019/06/a1271_8614974895cff58563455f.jpg
Return
(1 : 21)
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(2 : 21)
[6] : https://imgs.gotrip.hk/wp-content/uploads/2019/06/a3164_18731771865cff58d4ee983.jpg
(3 : 21)
[7] : https://imgs.gotrip.hk/wp-content/uploads/2019/06/a739_10590818495cff591c43e12.jpg
(4 : 21)
[8] : https://imgs.gotrip.hk/wp-content/uploads/2019/06/a596_6757593825cff594c91089.jpg
(5 : 21)
[9] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/20447309_1587605804604947_438674470_o_16775369085979cb622ee11-1024x768.jpg
(6 : 21)
[10] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/20403659_1587605801271614_206147912_n_10805394015979d9a68c76f.jpg
(7 : 21)
[11] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/20403758_1587605794604948_1906460466_n_1585995655979d9c556796.jpg
(8 : 21)
[12] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/20464413_1587605784604949_1892317735_n_17361208205979d9d8d6e91.jpg
(9 : 21)
[13] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/20464601_1587605797938281_184329261_n_5464412365979da659e799-e1501158001753.jpg
(10 : 21)
[14] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-27-8.40.52_19766937825979e04821b53.png
(11 : 21)
[15] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-27-8.41.52_20688021075979e0c8b0b9e.png
(12 : 21)
[16] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-27-8.41.09_5469870405979e1953c03f.png
(13 : 21)
[17] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-27-8.41.01_17617235865979e195f0abe.png
(14 : 21)
[18] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-27-8.51.50_19770515095979e20a1d72a.png
(15 : 21)
[19] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/thai-taxi-reply1_13733802005979dd879a5f3.jpg
(16 : 21)
[20] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/damnoen-saduak-floating-market-546274_960_720_234192802597afb0029990.jpg
(17 : 21)
[21] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-28-3.47.24_1521191931597aef6389b68.png
(18 : 21)
[22] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-28-3.47.55_1828461199597aef645dc5c.png
(19 : 21)
[23] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-28-3.48.17_359070688597aef65271c1.png
(20 : 21)
[24] : http://imgs.gotrip.hk/wp-content/uploads/2017/07/-2017-07-28-3.49.53_1552136545597aef660b31a.png
(21 : 21)
ReturnStart Cap