3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo uniqid(), "\n"; echo uniqid('x'), "\n"; echo uniqid('x', true), "\n";
Output for 7.2.0
531f2eb700fba x531f2eb700fce x531f2eb700fd03.81862179
Output for 7.1.7
531f2eb701355 x531f2eb701397 x531f2eb7013a51.51599041
Output for 7.1.6
531f2eb702cb3 x531f2eb702d02 x531f2eb702d069.89684616
Output for 7.1.5
531f2eb7030ad x531f2eb7030ff x531f2eb7031067.09651286
Output for 7.1.0
531f2eb700e9b x531f2eb700edd x531f2eb700ee28.21424365
Output for 7.0.20
531f2eb7009c5 x531f2eb700a08 x531f2eb700a0b7.51488524
Output for 7.0.14
531f2eb700f46 x531f2eb700f96 x531f2eb700f9b8.41749603
Output for 7.0.7
5746bcd95512f x5746bcd95516e x5746bcd9551704.56357515
Output for 7.0.6
5727c613a6bf2 x5727c613a6c38 x5727c613a6c3a2.35894113
Output for 7.0.5
56ffa65ec1de4 x56ffa65ec1e28 x56ffa65ec1e2b3.64173729
Output for 7.0.4
56e08c9706ef3 x56e08c9706f39 x56e08c9706f3b9.50578754
Output for 7.0.3
56eb1e6d0416b x56eb1e6d041b2 x56eb1e6d041b52.81294379
Output for 7.0.2
56efa9fb7cfa4 x56efa9fb7cfe8 x56efa9fb7cfec7.19150416
Output for 7.0.1
56f247e563527 x56f247e56356d x56f247e5635728.08577287
Output for 7.0.0
56f6699922ee0 x56f6699922f1e x56f6699922f215.81528344
Output for 5.6.21
57262f740b210 x57262f740b255 x57262f740b2591.61297543
Output for 5.6.20
57089f1219860 x57089f121989f x57089f12198a25.13294402
Output for 5.6.19
56dc6d6f48545 x56dc6d6f48587 x56dc6d6f4858b9.26071605
Output for 5.6.18
56e656dff3850 x56e656dff3895 x56e656dff389a0.90365730
Output for 5.6.17
56ecb0041815c x56ecb004181a5 x56ecb004181a91.46370739
Output for 5.6.16
56f7c5041dba7 x56f7c5041dbef x56f7c5041dbf31.76778631
Output for 5.6.15
56f92250119ad x56f92250119f3 x56f92250119fc8.86359137
Output for 5.6.14
56fe90fd5b083 x56fe90fd5b0c6 x56fe90fd5b0c91.10053676
Output for 5.6.13
570febf5b04fa x570febf5b053f x570febf5b05453.13810771
Output for 5.6.12
5715e8a6a0d34 x5715e8a6a0d7b x5715e8a6a0d7f2.32301194
Output for 5.6.11
571a4492aefbe x571a4492af008 x571a4492af00d3.02963922
Output for 5.6.10
571cfe646bc59 x571cfe646bc98 x571cfe646bc9c5.79438367
Output for 5.6.9
571fe6e5b13d3 x571fe6e5b141a x571fe6e5b141e3.54272459
Output for 5.6.8
5722f57f52515 x5722f57f52559 x5722f57f5255d6.03590189
Output for 5.6.7
574470cd076b2 x574470cd076f7 x574470cd076fb9.28621888
Output for 5.5.35
5740b931ad4ee x5740b931ad534 x5740b931ad5361.07566890
Output for 5.5.34
570a3c81d7491 x570a3c81d74d4 x570a3c81d74da9.88537648
Output for 5.5.33
56de8623c6ca2 x56de8623c6ce9 x56de8623c6cee0.79931099
Output for 5.5.32
56e8406f7fe65 x56e8406f7feac x56e8406f7feaf9.42141288
Output for 5.5.31
56ee2b149b50e x56ee2b149b555 x56ee2b149b5587.32577064
Output for 5.5.30
56fd35efada60 x56fd35efadaa5 x56fd35efadaa78.57034005
Output for 5.5.29
57120190a8eae x57120190a8ef6 x57120190a8ef92.24559587
Output for 5.5.28
57176524c9192 x57176524c91d7 x57176524c91dc8.04768564
Output for 5.5.27
5718ddfd12ae2 x5718ddfd12b2b x5718ddfd12b363.04102940
Output for 5.5.26
571e6f06bc530 x571e6f06bc576 x571e6f06bc57b0.71738350
Output for 5.5.25
57216764ea80d x57216764ea84c x57216764ea84f9.90985453
Output for 5.5.24
572477816a254 x572477816a2c4 x572477816a2cc1.74445219
Output for 5.4.45
55f199e4b3e28 x55f199e4b3eae x55f199e4b3eb75.49347151
Output for 5.4.44
55e35e3407be6 x55e35e3407c71 x55e35e3407c8b4.83062101
Output for 5.4.43
55e35e30e3f75 x55e35e30e4029 x55e35e30e40493.39095808
Output for 5.4.42
55e35e2f9740c x55e35e2f974a1 x55e35e2f974c77.71927954
Output for 5.4.41
55e35e2d53c2f x55e35e2d53d06 x55e35e2d53d289.30712494
Output for 5.4.40
55e35e2ad25e7 x55e35e2ad269d x55e35e2ad26c07.57846309
Output for 5.4.39
55e35e2a6a903 x55e35e2a6a992 x55e35e2a6a9aa4.79044428
Output for 5.4.38
54f1bb1b8de0d x54f1bb1b8de9f x54f1bb1b8def35.25512735
Output for 5.4.37
54d28fb03b075 x54d28fb03b0c6 x54d28fb03b0ce8.43246762
Output for 5.4.36
54d28fafdff91 x54d28fafdffe3 x54d28fafdffea0.76247574
Output for 5.4.35
54672cfbaca4f x54672cfbacac1 x54672cfbacad21.45573275
Output for 5.4.34
54672cfb464da x54672cfb46555 x54672cfb4656b6.12444657
Output for 5.4.32
54009f7f42012 x54009f7f42094 x54009f7f420c56.85046394
Output for 5.4.31
54009f793ae53 x54009f793aee5 x54009f793af039.12331885
Output for 5.4.30
54009f741646a x54009f74164ec x54009f74164fd3.03298460
Output for 5.4.29
54009f739c780 x54009f739c7fe x54009f739c8160.23844049
Output for 5.4.28
54009f732d64c x54009f732d6b6 x54009f732d6c40.56618698
Output for 5.4.27
54009f7a64f91 x54009f7a65017 x54009f7a650334.01286387
Output for 5.4.26
531f2eb7012a9 x531f2eb701301 x531f2eb7013054.08993592
Output for 5.4.25
531f2eb701087 x531f2eb7010ef x531f2eb7011068.55695693
Output for 5.4.24
531f2eb700fbf x531f2eb70104a x531f2eb70106a5.11330458
Output for 5.4.23
531f2eb700f3c x531f2eb700fa5 x531f2eb700fce3.65892842
Output for 5.4.22
531f2eb701030 x531f2eb701422 x531f2eb70143c1.86627805
Output for 5.4.21
531f2eb700f54 x531f2eb700fe0 x531f2eb700ffc6.99929861
Output for 5.4.20
531f2eb701273 x531f2eb7012d8 x531f2eb7012dc1.66242770
Output for 5.4.19
531f2eb70116e x531f2eb7011ce x531f2eb7011d31.46051100
Output for 5.4.18
531f2eb7011b9 x531f2eb701229 x531f2eb7012337.53981507
Output for 5.4.17
531f2eb701101 x531f2eb701188 x531f2eb7011a54.64824236
Output for 5.4.16
531f2eb7012d6 x531f2eb701371 x531f2eb7013944.70785350
Output for 5.4.15
531f2eb7016c1 x531f2eb701733 x531f2eb70173b3.83195193
Output for 5.4.14
531f2eb700c9e x531f2eb700d58 x531f2eb700d603.60804074
Output for 5.4.13
531f2eb700b5c x531f2eb700c05 x531f2eb700c337.10306356
Output for 5.4.12
531f2eb700a06 x531f2eb700aa6 x531f2eb700ac55.06232200
Output for 5.4.11
531f2eb70088a x531f2eb70092e x531f2eb7009504.36202036
Output for 5.4.10
531f2eb70096b x531f2eb7009cc x531f2eb7009d73.53530795
Output for 5.4.9
531f2eb7008be x531f2eb700941 x531f2eb7009621.37586997
Output for 5.4.8
531f2eb7008a6 x531f2eb700901 x531f2eb7009171.70124590
Output for 5.4.7
531f2eb700a75 x531f2eb700afa x531f2eb700b167.24125914
Output for 5.4.6
531f2eb700a96 x531f2eb700b01 x531f2eb700b089.21412476
Output for 5.4.5
531f2eb700942 x531f2eb7009a5 x531f2eb7009d26.61589248
Output for 5.4.4
531f2eb70092c x531f2eb700992 x531f2eb70099f2.74489119
Output for 5.4.3
531f2eb70096d x531f2eb700a0b x531f2eb700a2e0.08901201
Output for 5.4.2
531f2eb700e0f x531f2eb700e7d x531f2eb700e869.62516215
Output for 5.4.1
531f2eb700996 x531f2eb700a34 x531f2eb700a534.25097216
Output for 5.4.0
531f2eb700938 x531f2eb700998 x531f2eb70099e2.35168252
Output for 5.3.29
54009f7500bcc x54009f7500c51 x54009f7500c638.34870547
Output for 5.3.28
531f2eb700938 x531f2eb7009ec x531f2eb700a108.52165434
Output for 5.3.27
531f2eb700a53 x531f2eb700ab5 x531f2eb700abd1.86317863
Output for 5.3.26
531f2eb7009c8 x531f2eb700a2e x531f2eb700a331.20303146
Output for 5.3.25
531f2eb701638 x531f2eb7016e2 x531f2eb7017048.64879370
Output for 5.3.24
531f2eb700ea5 x531f2eb700f20 x531f2eb700f2e6.03969149
Output for 5.3.23
531f2eb700963 x531f2eb7009ec x531f2eb700a0b5.88560420
Output for 5.3.22
531f2eb700aa7 x531f2eb700b2a x531f2eb700b448.87285308
Output for 5.3.21
531f2eb700911 x531f2eb7009a4 x531f2eb7009c15.56560808
Output for 5.3.20
531f2eb700af9 x531f2eb700b93 x531f2eb700bae3.74953253
Output for 5.3.19
531f2eb7008e6 x531f2eb700951 x531f2eb70096e7.08143488
Output for 5.3.18
531f2eb7009a9 x531f2eb700a12 x531f2eb700a1d3.07383600
Output for 5.3.17
531f2eb700c60 x531f2eb700cd4 x531f2eb700ce03.29297595
Output for 5.3.16
531f2eb700e09 x531f2eb700eb0 x531f2eb700ee96.84110480
Output for 5.3.15
531f2eb700ae8 x531f2eb700b4a x531f2eb700b4f2.62022326
Output for 5.3.14
531f2eb700986 x531f2eb7009e4 x531f2eb7009e82.82736114
Output for 5.3.13
531f2eb700ead x531f2eb700f23 x531f2eb700f307.91954614
Output for 5.3.12
531f2eb700afc x531f2eb700b5a x531f2eb700b626.14201873
Output for 5.3.11
531f2eb7008c4 x531f2eb70093b x531f2eb7009462.92973038
Output for 5.3.10
531f2eb7008c1 x531f2eb700957 x531f2eb7009767.03311759
Output for 5.3.9
531f2eb700b4f x531f2eb700be2 x531f2eb700bfe4.39120919
Output for 5.3.8
531f2eb70090f x531f2eb7009cc x531f2eb7009e37.85567127
Output for 5.3.7
531f2eb700a57 x531f2eb700b11 x531f2eb700b3f0.39791569
Output for 5.3.6
531f2eb700a38 x531f2eb700aa5 x531f2eb700aae1.95462547
Output for 5.3.5
531f2eb700951 x531f2eb7009f6 x531f2eb700a2b0.84156053
Output for 5.3.4
531f2eb7008df x531f2eb70096e x531f2eb70098b6.31813716
Output for 5.3.3
531f2eb7009c4 x531f2eb700a1f x531f2eb700a4a7.75880030
Output for 5.3.2
531f2eb700e89 x531f2eb700f37 x531f2eb700f6e7.16983677
Output for 5.3.1
531f2eb700979 x531f2eb700a05 x531f2eb700a202.90444290
Output for 5.3.0
531f2eb700ace x531f2eb700b67 x531f2eb700b852.87612710
Output for 5.2.17
531f2eb7007b7 x531f2eb700859 x531f2eb7008785.94608949
Output for 5.2.16
531f2eb700786 x531f2eb70081d x531f2eb7008422.66485994
Output for 5.2.15
531f2eb700955 x531f2eb7009b8 x531f2eb7009be7.72405822
Output for 5.2.14
531f2eb700a71 x531f2eb700b22 x531f2eb700b4a1.49897995
Output for 5.2.13
531f2eb7009b6 x531f2eb700a74 x531f2eb700a978.02173937
Output for 5.2.12
531f2eb7009ff x531f2eb700a8d x531f2eb700aaa2.92717197
Output for 5.2.11
531f2eb700ac5 x531f2eb700b52 x531f2eb700b582.84072130
Output for 5.2.10
531f2eb700a1d x531f2eb700a88 x531f2eb700a902.92588029
Output for 5.2.9
531f2eb700b87 x531f2eb700c3e x531f2eb700c612.98904922
Output for 5.2.8
531f2eb700a10 x531f2eb700a84 x531f2eb700a8d2.92271900
Output for 5.2.7
531f2eb7006a1 x531f2eb7006ff x531f2eb7007042.66204689
Output for 5.2.6
531f2eb7006eb x531f2eb70074c x531f2eb70075c2.65199140
Output for 5.2.5
531f2eb7007d1 x531f2eb700855 x531f2eb7008632.79975718
Output for 5.2.4
531f2eb700883 x531f2eb7008de x531f2eb7008ea2.82193357
Output for 5.2.3
531f2eb700752 x531f2eb7007fa x531f2eb7008082.80404907
Output for 5.2.2
531f2eb70073a x531f2eb7007a5 x531f2eb7007b82.71796790
Output for 5.2.1
531f2eb7007af x531f2eb700850 x531f2eb70086f2.73270058
Output for 5.2.0
531f2eb70082b x531f2eb7008de x531f2eb7009172.65071866
Output for 5.1.6
531f2eb700ac5 x531f2eb700b50 x531f2eb700b6e2.77593539
Output for 5.1.5
531f2eb7006ed x531f2eb70074b x531f2eb7007542.72022912
Output for 5.1.4
531f2eb700810 x531f2eb7008ab x531f2eb7008cd2.65352940
Output for 5.1.3
531f2eb700615 x531f2eb7006aa x531f2eb7006ca2.56316264
Output for 5.1.2
531f2eb700a79 x531f2eb700b85 x531f2eb700bbe2.74875019
Output for 5.1.1
531f2eb7006b0 x531f2eb700723 x531f2eb7007462.58609067
Output for 5.1.0
531f2eb7005c5 x531f2eb700644 x531f2eb7006632.57286442
Output for 5.0.5
531f2eb7002b1 x531f2eb70030a x531f2eb7003152.40107473
Output for 5.0.4
531f2eb70041c x531f2eb700c00 x531f2eb700c132.48157548
Output for 5.0.3
531f2eb700296 x531f2eb70030c x531f2eb7003182.39363417
Output for 5.0.2
531f2eb700328 x531f2eb700397 x531f2eb7003b52.51643177
Output for 5.0.1
531f2eb700474 x531f2eb700520 x531f2eb70052e2.46538374
Output for 5.0.0
531f2eb7002f8 x531f2eb700358 x531f2eb7003782.51271465
Output for 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700125 x531f2eb7001502.42298903
Output for 4.4.8
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb70012d x531f2eb70015a2.42336800
Output for 4.4.7
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700132 x531f2eb70015b2.42450176
Output for 4.4.6
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700191 x531f2eb7001c52.42487758
Output for 4.4.5
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700151 x531f2eb7001652.42488074
Output for 4.4.4
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700188 x531f2eb7001b92.42545236
Output for 4.4.3
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700133 x531f2eb7001542.42583133
Output for 4.4.2
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700111 x531f2eb70012f2.42658928
Output for 4.4.1
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700119 x531f2eb7001282.42734407
Output for 4.4.0
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700119 x531f2eb7001392.42753671
Output for 4.3.11
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700118 x531f2eb7001352.42810201
Output for 4.3.10
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700128 x531f2eb7001382.42848099
Output for 4.3.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb70015c x531f2eb7001802.42885996
Output for 4.3.8
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb7000fd x531f2eb7001132.42942842
Output for 4.3.7
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700145 x531f2eb70016e2.42980424
Output for 4.3.6
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb70019f x531f2eb7001cb2.42999373
Output for 4.3.5
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb700119 x531f2eb7001312.42999688
Output for 4.3.4
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb70014a x531f2eb7001762.43018637
Output for 4.3.3
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb7001bf x531f2eb7001e82.43037586
Output for 4.3.2
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb7000eb x531f2eb7001056.88725342
Output for 4.3.1
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x531f2eb70012a x531f2eb70014e2.43429510
Output for 4.3.0
Warning: uniqid() expects at least 1 parameter, 0 given in /in/vu1aq on line 3 x55f199e3841ec x55f199e3842138.48712852