3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $times = array();for ($i = 0; $i < 10000; $i++) $times[] = microtime(true); print count(array_unique($times))."\n";
Output for hhvm-3.12.0, 7.0.5, 7.1.0
13
Output for 7.0.14
16
Output for 7.0.6
8
Output for 7.0.4
7
Output for 7.0.0, 7.0.2 - 7.0.3
12
Output for 7.0.1
11
Output for hhvm-3.10.0
17
Output for 5.3.2, 5.3.6, 5.3.14, 5.3.16, 5.3.20, 5.4.37, 5.6.28
38
Output for 5.5.29, 5.5.32, 5.6.12, 5.6.21
26
Output for 5.3.25, 5.4.14, 5.4.19 - 5.4.20, 5.4.23, 5.4.25, 5.5.26, 5.5.31, 5.5.33, 5.6.20
33
Output for 5.5.25, 5.6.19
24
Output for 5.5.34, 5.6.11, 5.6.18
22
Output for 5.6.17
27
Output for 5.5.30, 5.6.14, 5.6.16
21
Output for 5.6.15
23
Output for 5.3.29 - 5.4.0, 5.4.6, 5.4.8 - 5.4.9, 5.4.21, 5.4.28, 5.4.31, 5.6.10, 5.6.13
32
Output for 5.4.7, 5.4.30, 5.4.32, 5.4.43, 5.4.45, 5.6.9
31
Output for 5.3.4, 5.3.7, 5.3.11, 5.3.24, 5.3.27, 5.4.2, 5.4.10, 5.4.22, 5.4.24, 5.6.8
35
Output for 5.5.35
28
Output for 5.5.28
25
Output for 5.3.8, 5.3.19, 5.3.28, 5.4.3, 5.4.11, 5.4.17, 5.5.24, 5.5.27
34
Output for 5.4.44
19
Output for 5.4.42
29
Output for 5.3.1, 5.3.9, 5.3.12 - 5.3.13, 5.4.18, 5.4.41
36
Output for 5.3.0, 5.3.15, 5.3.17 - 5.3.18, 5.3.21, 5.3.26, 5.4.1, 5.4.13, 5.4.40
37
Output for 5.2.10, 5.4.39
50
Output for 5.1.3, 5.4.38
45
Output for 5.2.1, 5.2.15, 5.2.17, 5.3.3, 5.3.22, 5.4.34, 5.4.36
40
Output for 5.2.14, 5.2.16, 5.4.35
39
Output for 5.4.29
30
Output for 5.2.6 - 5.2.7, 5.4.27
41
Output for 5.4.5, 5.4.26
56
Output for 5.4.15 - 5.4.16
59
Output for 5.4.12
57
Output for 5.4.4
58
Output for 5.1.4, 5.2.8, 5.2.11 - 5.2.12, 5.3.23
42
Output for 5.3.10
54
Output for 5.3.5
44
Output for 5.2.13
68
Output for 5.2.9
3652
Output for 5.2.5
81
Output for 5.2.4
86
Output for 5.2.3
95
Output for 5.1.2, 5.2.2
47
Output for 5.1.6 - 5.2.0
48
Output for 5.1.5
91
Output for 5.1.1
109
Output for 5.1.0
84
Output for 5.0.1, 5.0.5
66
Output for 5.0.4
67
Output for 5.0.3
65
Output for 5.0.2
71
Output for 5.0.0
69
Output for 4.4.9
7340
Output for 4.4.8
7558
Output for 4.4.7
7780
Output for 4.4.6
7513
Output for 4.4.5
9879
Output for 4.4.4
7063
Output for 4.4.3
7040
Output for 4.4.2
7328
Output for 4.4.1
7379
Output for 4.4.0
7972
Output for 4.3.11
9559
Output for 4.3.10
8253
Output for 4.3.9
9673
Output for 4.3.1, 4.3.8
10000
Output for 4.3.7
9939
Output for 4.3.6
9749
Output for 4.3.5
9983
Output for 4.3.4
9994
Output for 4.3.3
9928
Output for 4.3.2
9976
Output for 4.3.0
9842