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run code in 150+ php & hhvm versions
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<?php $id = hexdec(uniqid()); echo $id;
Output for 7.1.0
1474311780044849
Output for 7.0.14
1474311780044577
Output for 7.0.6
1533276744194723
Output for 7.0.5
1530517690286654
Output for 7.0.4
1528384583263375
Output for 7.0.3
1529110689803036
Output for 7.0.2
1529421983911190
Output for 7.0.1
1529605435910823
Output for 7.0.0
1529883987725634
Output for 5.6.28
1474311780045292
Output for 5.6.21
1533167522369814
Output for 5.6.20
1531133925159644
Output for 5.6.19
1528111683001367
Output for 5.6.18
1528796139810543
Output for 5.6.17
1529217899561059
Output for 5.6.16
1529977494709272
Output for 5.6.15
1530071421686172
Output for 5.6.14
1530443306812788
Output for 5.6.13
1531636239898464
Output for 5.6.12
1532049469510269
Output for 5.6.11
1532347449865525
Output for 5.6.10
1532535679692979
Output for 5.6.9
1532735790196187
Output for 5.6.8
1532946646513810
Output for 5.6.7
1535262840098217
Output for 5.5.35
1534993803546398
Output for 5.5.34
1531247053871873
Output for 5.5.33
1528244660551626
Output for 5.5.32
1528991494981044
Output for 5.5.31
1529319243402036
Output for 5.5.30
1530350848585749
Output for 5.5.29
1531780042173672
Output for 5.5.28
1532151553800339
Output for 5.5.27
1532250902522023
Output for 5.5.26
1532635329619315
Output for 5.5.25
1532838949572228
Output for 5.5.24
1535129874278183
Output for 5.4.45
1512886864537366
Output for 5.4.44
1513071019970321
Output for 5.4.43
1512886664655744
Output for 5.4.42
1512886624737473
Output for 5.4.41
1512886573966525
Output for 5.4.40
1512886530439244
Output for 5.4.39
1512886498537420
Output for 5.4.38
1494779527038266
Output for 5.4.37
1494779520129071
Output for 5.4.36
1494779519740632
Output for 5.4.35
1494779519401769
Output for 5.4.34
1494779519056951
Output for 5.4.32
1479172150439209
Output for 5.4.31
1479172149632248
Output for 5.4.30
1474311785112011
Output for 5.4.29
1474311785158001
Output for 5.4.28
1474311785202014
Output for 5.4.27
1474311785300719
Output for 5.4.26
1474311785359189
Output for 5.4.25
1474311785411899
Output for 5.4.24
1474311785460949
Output for 5.4.23
1474311785514317
Output for 5.4.22
1474311785558118
Output for 5.4.21
1474311785603033
Output for 5.4.20
1474311785648040
Output for 5.4.19
1474311785697157
Output for 5.4.18
1474311785748804
Output for 5.4.17
1474311785793048
Output for 5.4.16
1474311785842109
Output for 5.4.15
1474311785885149
Output for 5.4.14
1474311785937247
Output for 5.4.13
1474311785981321
Output for 5.4.12
1474311786024032
Output for 5.4.11
1474311786070324
Output for 5.4.10
1474311786116145
Output for 5.4.9
1474311786161325
Output for 5.4.8
1474311786212642
Output for 5.4.7
1474311786255946
Output for 5.4.6
1474311786347189
Output for 5.4.5
1474311786390254
Output for 5.4.4
1474311786433824
Output for 5.4.3
1474311786478232
Output for 5.4.2
1474311786521718
Output for 5.4.1
1474311786565651
Output for 5.4.0
1474311786611165
Output for 5.3.29
1479172147905353
Output for 5.3.28
1474311786660143
Output for 5.3.27
1474311786710772
Output for 5.3.26
1474311786765992
Output for 5.3.25
1474311786810578
Output for 5.3.24
1474311786856317
Output for 5.3.23
1474311786909561
Output for 5.3.22
1474311786959528
Output for 5.3.21
1474311787008064
Output for 5.3.20
1474311787054177
Output for 5.3.19
1474311787104399
Output for 5.3.18
1474311787148325
Output for 5.3.17
1474311787198828
Output for 5.3.16
1474311787245204
Output for 5.3.15
1474311787295688
Output for 5.3.14
1474311787390414
Output for 5.3.13
1474311787437924
Output for 5.3.12
1474311787489363
Output for 5.3.11
1474311787538707
Output for 5.3.10
1474311787584482
Output for 5.3.9
1474311787638882
Output for 5.3.8
1474311787687688
Output for 5.3.7
1474311787734500
Output for 5.3.6
1474311787786378
Output for 5.3.5
1474311787836247
Output for 5.3.4
1474311787884803
Output for 5.3.3
1474311787927843
Output for 5.3.2
1474311787970347
Output for 5.3.1
1474311788021913
Output for 5.3.0
1474311788073615
Output for 5.2.17
1474311788110764
Output for 5.2.16
1474311788158013
Output for 5.2.15
1474311788199746
Output for 5.2.14
1474311788238633
Output for 5.2.13
1474311788283240
Output for 5.2.12
1474311788318660
Output for 5.2.11
1474311788357382
Output for 5.2.10
1474311788442018
Output for 5.2.9
1474311788477244
Output for 5.2.8
1474311788522434
Output for 5.2.7
1474311788563091
Output for 5.2.6
1474311788600209
Output for 5.2.5
1474311788638737
Output for 5.2.4
1474311788675216
Output for 5.2.3
1474311788713518
Output for 5.2.2
1474311788750752
Output for 5.2.1
1474311788785367
Output for 5.2.0
1474311788822339
Output for 5.1.6
1474311788855889
Output for 5.1.5
1474311788891355
Output for 5.1.4
1474311788927491
Output for 5.1.3
1474311788959432
Output for 5.1.2
1474311788999794
Output for 5.1.1
1474311789030820
Output for 5.1.0
1474311789070600
Output for 5.0.5
1474311789102431
Output for 5.0.4
1474311789135381
Output for 5.0.3
1474311789173595
Output for 5.0.2
1474311789206737
Output for 5.0.1
1474311789235277
Output for 5.0.0
1474311789274077
Output for 4.3.0 - 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/CPNFi on line 3 0