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run code in 200+ php & hhvm versions
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<?php $unique = uniqid(); $hexdec = hexdec($unique); $crc = crc32($hexdec); echo "Unique: ".$unique."\n"; echo "Hexdec: ".$hexdec."\n"; echo "CRC32: ".$crc;
based on Qm2ZE
Output for 7.2.6
Unique: 595b7e7000bfa Hexdec: 1571991970647034 CRC32: 3132755437
Output for 7.2.0
Unique: 595b7e7000ab2 Hexdec: 1571991970646706 CRC32: 3261746914
Output for 7.1.10
Unique: 595b7e7000c23 Hexdec: 1571991970647075 CRC32: 2849110143
Output for 7.1.7
Unique: 595b7e70009c2 Hexdec: 1571991970646466 CRC32: 2524337981
Output for 7.1.6
Unique: 595b7e70042cd Hexdec: 1571991970661069 CRC32: 3872885161
Output for 7.1.5
Unique: 595b7e7004699 Hexdec: 1571991970662041 CRC32: 3364867319
Output for 7.1.4
Unique: 595b7e7003c41 Hexdec: 1571991970659393 CRC32: 29921310
Output for 7.1.3
Unique: 595b7e7003d03 Hexdec: 1571991970659587 CRC32: 456333812
Output for 7.1.2
Unique: 595b7e700448a Hexdec: 1571991970661514 CRC32: 3521945912
Output for 7.1.1
Unique: 595b7e7003029 Hexdec: 1571991970656297 CRC32: 1594109542
Output for 7.1.0
Unique: 595b7e7001b1c Hexdec: 1571991970650908 CRC32: 927414403
Output for 7.0.20
Unique: 595b7e7000ef1 Hexdec: 1571991970647793 CRC32: 3682494017
Output for 7.0.19
Unique: 595b7e7000f28 Hexdec: 1571991970647848 CRC32: 4066281145
Output for 7.0.18
Unique: 595b7e70017e1 Hexdec: 1571991970650081 CRC32: 2308125088
Output for 7.0.17
Unique: 595b7e7001264 Hexdec: 1571991970648676 CRC32: 1815528737
Output for 7.0.16
Unique: 595b7e7001010 Hexdec: 1571991970648080 CRC32: 104857705
Output for 7.0.15
Unique: 595b7e70010a8 Hexdec: 1571991970648232 CRC32: 138308832
Output for 7.0.14
Unique: 595b7e7001798 Hexdec: 1571991970650008 CRC32: 949355276
Output for 7.0.13
Unique: 595b7e70010fc Hexdec: 1571991970648316 CRC32: 1017618508
Output for 7.0.12
Unique: 595b7e7001753 Hexdec: 1571991970649939 CRC32: 721763820
Output for 7.0.11
Unique: 595b7e7001a65 Hexdec: 1571991970650725 CRC32: 1901988790
Output for 7.0.10
Unique: 595b7e7001157 Hexdec: 1571991970648407 CRC32: 1475655454
Output for 7.0.9
Unique: 595b7e700159c Hexdec: 1571991970649500 CRC32: 1894658031
Output for 7.0.8
Unique: 595b7e70011c0 Hexdec: 1571991970648512 CRC32: 1061624039
Output for 7.0.7
Unique: 595b7e7001079 Hexdec: 1571991970648185 CRC32: 2011733713
Output for 7.0.6
Unique: 595b7e7001338 Hexdec: 1571991970648888 CRC32: 109631971
Output for 7.0.5
Unique: 595b7e7001b17 Hexdec: 1571991970650903 CRC32: 2694177035
Output for 7.0.4
Unique: 595b7e700131f Hexdec: 1571991970648863 CRC32: 265891301
Output for 7.0.3
Unique: 595b7e700102b Hexdec: 1571991970648107 CRC32: 1363113461
Output for 7.0.2
Unique: 595b7e70011f9 Hexdec: 1571991970648569 CRC32: 3889452968
Output for 7.0.1
Unique: 595b7e7001236 Hexdec: 1571991970648630 CRC32: 3778651408
Output for 7.0.0
Unique: 595b7e7001107 Hexdec: 1571991970648327 CRC32: 1619903257
Output for hhvm-3.15.4
Unique: 595b7e7034b39 Hexdec: 1571991970859833 CRC32: 3447256581
Output for 5.6.30
Unique: 595b7e70019a0 Hexdec: 1571991970650528 CRC32: 208380773
Output for 5.6.29
Unique: 595b7e7001376 Hexdec: 1571991970648950 CRC32: 3158263211
Output for 5.6.28
Unique: 595b7e7001480 Hexdec: 1571991970649216 CRC32: 2245635358
Output for 5.6.27
Unique: 595b7e70012cc Hexdec: 1571991970648780 CRC32: 51320556
Output for 5.6.26
Unique: 595b7e70014a8 Hexdec: 1571991970649256 CRC32: 3786762266
Output for 5.6.25
Unique: 595b7e70016dd Hexdec: 1571991970649821 CRC32: 1023930024
Output for 5.6.24
Unique: 595b7e7001284 Hexdec: 1571991970648708 CRC32: 3305968854
Output for 5.6.23
Unique: 595b7e7001204 Hexdec: 1571991970648580 CRC32: 9159298
Output for 5.6.22
Unique: 595b7e7001644 Hexdec: 1571991970649668 CRC32: 707378690
Output for 5.6.21
Unique: 595b7e70015f2 Hexdec: 1571991970649586 CRC32: 1364459730
Output for 5.6.20
Unique: 595b7e70014ed Hexdec: 1571991970649325 CRC32: 910148944
Output for 5.6.19
Unique: 595b7e7001469 Hexdec: 1571991970649193 CRC32: 1059876288
Output for 5.6.18
Unique: 595b7e7001446 Hexdec: 1571991970649158 CRC32: 72088388
Output for 5.6.17
Unique: 595b7e7001352 Hexdec: 1571991970648914 CRC32: 3745399990
Output for 5.6.16
Unique: 595b7e700130a Hexdec: 1571991970648842 CRC32: 1256751089
Output for 5.6.15
Unique: 595b7e7001728 Hexdec: 1571991970649896 CRC32: 1083679424
Output for 5.6.14
Unique: 595b7e70012f2 Hexdec: 1571991970648818 CRC32: 3611976362
Output for 5.6.13
Unique: 595b7e70015e2 Hexdec: 1571991970649570 CRC32: 1068480808
Output for 5.6.12
Unique: 595b7e7001641 Hexdec: 1571991970649665 CRC32: 1419297471
Output for 5.6.11
Unique: 595b7e70014a3 Hexdec: 1571991970649251 CRC32: 2144468409
Output for 5.6.10
Unique: 595b7e70014d8 Hexdec: 1571991970649304 CRC32: 1930336068
Output for 5.6.9
Unique: 595b7e700175e Hexdec: 1571991970649950 CRC32: 75702990
Output for 5.6.8
Unique: 595b7e7001936 Hexdec: 1571991970650422 CRC32: 3984334924
Output for 5.6.7
Unique: 595b7e7001403 Hexdec: 1571991970649091 CRC32: 3504367323
Output for 5.6.6
Unique: 595b7e70012f4 Hexdec: 1571991970648820 CRC32: 4072454491
Output for 5.6.5
Unique: 595b7e70013db Hexdec: 1571991970649051 CRC32: 2085956055
Output for 5.6.4
Unique: 595b7e700130f Hexdec: 1571991970648847 CRC32: 981633918
Output for 5.6.3
Unique: 595b7e7001846 Hexdec: 1571991970650182 CRC32: 290982445
Output for 5.6.2
Unique: 595b7e700115c Hexdec: 1571991970648412 CRC32: 1048933072
Output for 5.6.1
Unique: 595b7e7001462 Hexdec: 1571991970649186 CRC32: 1448978446
Output for 5.6.0
Unique: 595b7e7001329 Hexdec: 1571991970648873 CRC32: 381820068