3v4l.org

run code in 300+ PHP versions simultaneously
<?php function randomString($length = 6) { $str = ""; $characters = array_merge(range('a','z'), range('0','9')); $max = count($characters) - 1; for ($i = 0; $i < $length; $i++) { $rand = mt_rand(0, $max); $str .= $characters[$rand]; } return $str . time(). randomString(); } echo randomString();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.3.10.2430.03078.09
7.3.00.2870.04578.32
7.2.130.2030.04578.71
7.2.120.1990.04178.70
7.2.110.0490.04978.76
7.2.100.1090.03278.85
7.2.90.3130.04578.61
7.2.80.2810.04779.00
7.2.70.2950.03378.58
7.2.60.2800.03478.30
7.2.50.1700.03478.84
7.2.40.1270.05378.72
7.2.30.0600.03678.67
7.2.20.0750.03478.66
7.2.10.0960.04678.76
7.2.00.1480.04079.96
7.1.250.0890.05377.44
7.1.70.0100.03079.12
7.1.60.0330.06379.37
7.1.50.0170.06579.12
7.1.00.0070.12384.18
7.0.200.3970.04078.29
7.0.140.0170.10783.95
7.0.100.3070.12083.29
7.0.90.0130.08783.14
7.0.80.2370.06783.25
7.0.70.2070.07783.29
7.0.60.0600.09783.34
7.0.50.1230.06783.54
7.0.40.0070.07020.04
7.0.30.0030.07720.05
7.0.20.0130.06720.04
7.0.10.0100.08020.10
7.0.00.0030.08719.95
5.6.280.0270.15385.86
5.6.250.0330.08385.55
5.6.240.0130.10385.58
5.6.230.0370.09385.47
5.6.220.0170.11085.50
5.6.210.0400.07385.48
5.6.200.0100.10086.02
5.6.190.0200.09385.97
5.6.180.0330.08386.14
5.6.170.0170.10085.94
5.6.160.0270.10385.97
5.6.150.0070.10386.07
5.6.140.0370.14386.10
5.6.130.0370.12386.02
5.6.120.0370.15086.13
5.6.110.0430.13085.88
5.6.100.0400.12785.95
5.6.90.0230.15386.00
5.6.80.0270.13085.31
5.6.70.0330.13385.31
5.6.60.0370.10385.35
5.6.50.0400.13785.39
5.6.40.0230.13785.43
5.6.30.0270.12385.32
5.6.20.0200.16085.49
5.6.10.0230.15085.36
5.6.00.0300.14785.33
5.5.380.0300.08385.36
5.5.370.0230.09085.27
5.5.360.0130.10385.36
5.5.350.0230.14385.34
5.5.340.0400.10385.74
5.5.330.0230.09085.87
5.5.320.0230.09085.86
5.5.310.0270.08785.79
5.5.300.0230.14385.84
5.5.290.0370.13085.57
5.5.280.0300.15385.76
5.5.270.0230.12085.82
5.5.260.0300.14085.88
5.5.250.0200.12385.69
5.5.240.0400.14085.28
5.5.230.0230.16385.21
5.5.220.0200.09085.17
5.5.210.0230.14385.18
5.5.200.0400.15085.20
5.5.190.0200.13385.21
5.5.180.0300.09385.23
5.5.160.0230.15085.05
5.5.150.0300.16385.11
5.5.140.0300.13085.20
5.5.130.0300.10085.09
5.5.120.0430.13785.19
5.5.110.0400.12385.08
5.5.100.0300.17085.04
5.5.90.0200.14085.12
5.5.80.0300.13784.87
5.5.70.0530.11085.03
5.5.60.0270.15085.08
5.5.50.0300.12385.11
5.5.40.0330.13385.05
5.5.30.0130.10784.90
5.5.20.0370.15085.03
5.5.10.0300.12385.05
5.5.00.0300.13085.07
5.4.450.0230.13784.09
5.4.440.0300.09384.25
5.4.430.0300.08784.33
5.4.420.0330.14084.40
5.4.410.0130.16384.31
5.4.400.0230.14083.93
5.4.390.0200.13783.95
5.4.380.0130.11083.91
5.4.370.0170.15383.85
5.4.360.0170.15384.02
5.4.350.0330.12784.02
5.4.340.0400.09083.93
5.4.320.0170.15083.93
5.4.310.0400.14383.89
5.4.300.0230.15083.96
5.4.290.0400.10783.80
5.4.280.0270.09383.91
5.4.270.0300.15383.79
5.4.260.0430.14383.79
5.4.250.0330.16783.75
5.4.240.0200.15384.00
5.4.230.0370.09384.04
5.4.220.0230.13784.07
5.4.210.0200.14783.93
5.4.200.0330.15084.07
5.4.190.0330.09783.77
5.4.180.0170.15383.88
5.4.170.0230.12783.91
5.4.160.0200.13783.93
5.4.150.0200.14083.73
5.4.140.0170.10081.31
5.4.130.0230.13781.31
5.4.120.0370.14081.38
5.4.110.0300.13781.34
5.4.100.0300.13381.41
5.4.90.0400.14781.39
5.4.80.0400.13081.34
5.4.70.0270.15081.29
5.4.60.0530.12381.27
5.4.50.0330.14081.24
5.4.40.0170.16381.30
5.4.30.0330.13381.27
5.4.20.0300.10781.41
5.4.10.0270.14081.34
5.4.00.0330.13380.63
5.3.290.0330.13778.52
5.3.280.0270.15778.38
5.3.270.0570.09078.29
5.3.260.0130.12778.38
5.3.250.0230.14078.41
5.3.240.0270.14378.32
5.3.230.0270.13778.50
5.3.220.0200.15378.36
5.3.210.0370.14778.39
5.3.200.0300.14078.33
5.3.190.0330.12078.38
5.3.180.0130.15778.46
5.3.170.0330.12378.26
5.3.160.0270.16378.29
5.3.150.0330.13078.34
5.3.140.0300.11778.46
5.3.130.0230.09378.38
5.3.120.0370.08378.28
5.3.110.0230.14078.35
5.3.100.0230.11777.73
5.3.90.0230.14377.72
5.3.80.0330.13077.77
5.3.70.0300.14077.70
5.3.60.0370.12777.70
5.3.50.0330.16777.85
5.3.40.0230.14077.60
5.3.30.0230.10777.74
5.3.20.0430.13377.48
5.3.10.0170.09377.43
5.3.00.0300.15377.47
5.2.170.0230.10765.40
5.2.160.0130.14065.38
5.2.150.0230.13765.30
5.2.140.0300.13765.40
5.2.130.0230.13765.37
5.2.120.0230.12065.29
5.2.110.0200.09765.25
5.2.100.0270.12765.18
5.2.90.0470.09765.34
5.2.80.0200.11065.17
5.2.70.0200.13765.41
5.2.60.0170.11365.05
5.2.50.0230.15365.57
5.2.40.0370.13765.16
5.2.30.0230.15065.21
5.2.20.0300.13365.22
5.2.10.0270.13368.21
5.2.00.0300.12365.03
5.1.60.0300.11082.39
5.1.50.0530.11082.33
5.1.40.0400.10782.41
5.1.30.0470.08082.66
5.1.20.0200.14382.69
5.1.10.0270.14082.48
5.1.00.0300.13382.37
5.0.50.0130.08362.42
5.0.40.0370.06762.26
5.0.30.0230.14762.04
5.0.20.0170.09362.20
5.0.10.0270.12062.11
5.0.00.1830.610307.35
4.4.90.0100.06731.31
4.4.80.0200.06331.30
4.4.70.0170.06331.28
4.4.60.0130.07331.37
4.4.50.0100.07731.31
4.4.40.0100.04331.37
4.4.30.0130.03731.32
4.4.20.0130.04331.33
4.4.10.0170.06331.29
4.4.00.0200.06331.07
4.3.110.0230.09043.81
4.3.100.0200.08343.09
4.3.90.0230.06342.97
4.3.80.0470.170129.95
4.3.70.0270.08742.96
4.3.60.0200.05043.02
4.3.50.0230.08743.04
4.3.40.0200.05345.63
4.3.30.0100.10344.40
4.3.20.0100.09329.61
4.3.10.0070.14744.34
4.3.00.0170.12344.27

preferences:
37.45 ms | 400 KiB | 5 Q