3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = microtime(true); sleep(1); $b = microtime(true); echo $b - $a;
Output for 5.3.0, 7.1.0
1.0000729560852
Output for 5.5.15, 5.5.24, 7.0.14
1.0000739097595
Output for 5.5.32, 7.0.10
1.0001039505005
Output for 5.5.26, 5.5.38, 7.0.9
1.0001049041748
Output for 5.5.4, 7.0.8
1.0001068115234
Output for 5.2.2, 5.2.8, 5.3.9, 5.3.18, 5.3.23, 5.4.4, 5.4.25, 5.4.29, 5.4.32, 5.4.39, 5.5.14, 5.6.7 - 5.6.8, 5.6.21, 7.0.7
1.0001080036163
Output for 5.6.22, 7.0.6
1.0001208782196
Output for 5.3.7, 5.3.11, 7.0.5
1.0001058578491
Output for 5.5.9, 5.5.27, 5.6.12, 7.0.4
1.0000710487366
Output for 5.3.6, 5.6.3, 7.0.3
1.0000779628754
Output for 5.6.4, 7.0.2
1.0000860691071
Output for 5.3.3, 7.0.1
1.000107049942
Output for 5.5.16, 7.0.0
1.0000801086426
Output for hhvm-3.12.0
1.0001740455627
Output for hhvm-3.10.0
1.0001399517059
Output for 5.6.28
1.0000758171082
Output for 5.3.12, 5.4.38, 5.6.25
1.0000810623169
Output for 5.4.31, 5.6.24
1.0001118183136
Output for 5.3.21, 5.4.7, 5.5.23, 5.6.13, 5.6.16, 5.6.23
1.0001060962677
Output for 5.2.0, 5.2.15, 5.3.20, 5.3.25, 5.4.2, 5.4.10, 5.4.19, 5.5.1, 5.5.12, 5.5.25, 5.6.0, 5.6.20
1.0001089572906
Output for 5.1.6, 5.3.2, 5.4.8 - 5.4.9, 5.4.12, 5.4.17, 5.5.19, 5.6.19
1.000109910965
Output for 5.3.5, 5.4.18, 5.4.41, 5.6.6, 5.6.18
1.0001101493835
Output for 5.2.12, 5.3.16, 5.4.27, 5.4.37, 5.4.42, 5.4.44, 5.5.3, 5.5.22, 5.6.1, 5.6.17
1.0001120567322
Output for 5.6.15
1.000100851059
Output for 5.1.1, 5.3.17, 5.5.34, 5.6.14
1.0001108646393
Output for 5.6.11
1.0000510215759
Output for 5.0.4, 5.6.10
1.0001211166382
Output for 5.6.9
1.0000970363617
Output for 5.2.1, 5.3.10, 5.6.5
1.0001111030579
Output for 5.2.13, 5.3.27, 5.6.2
1.0001130104065
Output for 5.5.37
1.0000829696655
Output for 5.5.36
1.0001199245453
Output for 5.0.1, 5.4.3, 5.4.5, 5.5.35
1.0000820159912
Output for 5.4.30, 5.5.33
1.0001151561737
Output for 5.1.0, 5.2.3, 5.3.13 - 5.3.14, 5.4.15, 5.5.31
1.0001139640808
Output for 5.2.16, 5.3.15, 5.3.26, 5.5.30
1.0000848770142
Output for 5.2.5, 5.4.24, 5.5.29
1.000079870224
Output for 5.0.2, 5.5.28
1.0000851154327
Output for 5.3.19, 5.5.0, 5.5.21
1.0000870227814
Output for 5.4.40, 5.5.20
1.0000858306885
Output for 5.4.28, 5.5.18
1.0000791549683
Output for 5.4.1, 5.4.16, 5.5.13
1.0001091957092
Output for 5.4.11, 5.5.11
1.0001029968262
Output for 5.5.10
1.0001218318939
Output for 5.4.20, 5.5.8
1.0000789165497
Output for 5.3.8, 5.4.21, 5.5.7
1.0000879764557
Output for 5.5.6
1.0001018047333
Output for 5.2.9, 5.5.5
1.0001001358032
Output for 5.5.2
1.0001041889191
Output for 5.1.5, 5.4.45
1.0000720024109
Output for 5.4.43
1.0000748634338
Output for 5.2.6, 5.4.36
1.000116109848
Output for 5.2.4, 5.4.35
1.0000920295715
Output for 5.4.34
1.0000760555267
Output for 5.2.11, 5.4.26
1.0000839233398
Output for 5.4.23
1.0000669956207
Output for 5.3.24, 5.4.22
1.00008893013
Output for 5.2.10, 5.4.14
1.0001180171967
Output for 5.4.13
1.0000908374786
Output for 5.4.6
1.0001220703125
Output for 5.4.0
1.0000841617584
Output for 5.3.29
1.0000948905945
Output for 5.3.28
1.0000731945038
Output for 5.3.22
1.0000951290131
Output for 5.3.4
1.0001020431519
Output for 5.3.1
1.0000808238983
Output for 5.1.3, 5.2.17
1.0000989437103
Output for 5.2.14
1.0001308917999
Output for 5.2.7
1.0000901222229
Output for 5.1.4
1.0000741481781
Output for 5.0.5, 5.1.2
1.0001158714294
Output for 5.0.3
1.0001149177551
Output for 5.0.0
1.0000700950623
Output for 4.4.9
9.5E-05
Output for 4.4.8
0.000126
Output for 4.4.7
9.3E-05
Output for 4.4.6
0.000117
Output for 4.3.2, 4.4.5
0.000113
Output for 4.4.4
4.8E-05
Output for 4.4.3
9.4E-05
Output for 4.4.2
0.00012
Output for 4.4.1
0.000116
Output for 4.4.0
9.1E-05
Output for 4.3.3, 4.3.9, 4.3.11
9.8E-05
Output for 4.3.10
0.000121
Output for 4.3.6, 4.3.8
8E-05
Output for 4.3.7
0.00011
Output for 4.3.5
0.000112
Output for 4.3.4
7.4E-05
Output for 4.3.1
0.000123
Output for 4.3.0
0.000125