3v4l.org

run code in 300+ PHP versions simultaneously
<?php $alpha = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; $length = 11; $ran = rand(0, strlen($alpha)); $key = substr($alpha, $ran, 1); echo $key; ?>

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)
7.2.00.0030.01119.10
7.1.70.0030.00316.92
7.1.60.0070.00417.12
7.1.50.0040.01816.95
7.1.00.0030.07322.51
7.0.200.0000.00816.75
7.0.140.0100.06722.21
7.0.120.0030.07322.27
7.0.60.0100.08319.90
7.0.50.0000.05317.80
7.0.40.0070.07319.98
7.0.30.0330.06720.30
7.0.20.0270.07719.99
7.0.10.0230.03720.12
7.0.00.0100.05720.12
5.6.280.0130.06721.12
5.6.210.0130.03320.61
5.6.200.0130.08018.12
5.6.190.0170.07320.61
5.6.180.0370.06320.58
5.6.170.0100.05020.44
5.6.160.0070.04720.42
5.6.150.0070.05718.09
5.6.140.0070.06318.18
5.6.130.0000.06318.16
5.6.120.0030.07321.00
5.6.110.0100.07321.10
5.6.100.0030.07721.00
5.6.90.0200.08020.99
5.6.80.0100.07320.32
5.6.70.0300.04320.37
5.5.350.0470.06320.39
5.5.340.0070.05717.91
5.5.330.0230.06720.19
5.5.320.0230.05320.29
5.5.310.0230.08020.29
5.5.300.0130.04017.97
5.5.290.0000.04317.98
5.5.280.0000.04320.76
5.5.270.0100.03320.80
5.5.260.0000.04720.75
5.5.250.0070.08720.68
5.5.240.0070.04720.18
5.4.450.0100.08019.37
5.4.440.0100.07019.40
5.4.430.0100.07319.50
5.4.420.0030.06719.48
5.4.410.0100.07719.34
5.4.400.0030.06019.11
5.4.390.0100.06319.08
5.4.380.0030.05018.79
5.4.370.0030.03719.10
5.4.360.0000.04319.18
5.4.350.0030.03719.17
5.4.340.0070.03719.18
5.4.320.0100.03019.14
5.4.310.0030.03718.81
5.4.300.0030.03719.18
5.4.290.0130.03719.07
5.4.280.0070.03319.14
5.4.270.0070.03318.91
5.4.260.0070.03319.18
5.4.250.0030.03719.07
5.4.240.0130.03019.16
5.4.230.0000.04019.15
5.4.220.0030.03719.07
5.4.210.0070.03319.07
5.4.200.0030.03718.79
5.4.190.0170.03718.78
5.4.180.0070.03319.17
5.4.170.0030.03718.77
5.4.160.0030.03719.05
5.4.150.0030.03719.05
5.4.140.0030.03716.27
5.4.130.0030.03716.28
5.4.120.0030.03316.29
5.4.110.0000.04016.42
5.4.100.0070.07016.34
5.4.90.0170.05316.23
5.4.80.0030.06316.33
5.4.70.0100.07316.23
5.4.60.0030.04016.37
5.4.50.0030.07316.32
5.4.40.0070.05316.37
5.4.30.0100.03716.21
5.4.20.0130.03716.21
5.4.10.0200.04316.34
5.4.00.0000.05015.82
5.3.290.0070.03314.48
5.3.280.0030.03714.52
5.3.270.0070.03314.54
5.3.260.0000.04014.39
5.3.250.0070.04014.56
5.3.240.0130.04014.42
5.3.230.0100.03014.68
5.3.220.0000.04314.46
5.3.210.0170.05314.51
5.3.200.0070.06014.65
5.3.190.0170.05314.49
5.3.180.0030.07714.51
5.3.170.0030.07014.43
5.3.160.0100.06314.43
5.3.150.0070.04014.48
5.3.140.0030.04714.37
5.3.130.0170.05314.55
5.3.120.0030.05714.50
5.3.110.0130.06314.55
5.3.100.0030.04013.93
5.3.90.0070.03713.92
5.3.80.0100.03014.10
5.3.70.0030.03713.80
5.3.60.0100.06313.94
5.3.50.0070.06013.86
5.3.40.0100.06313.73
5.3.30.0100.07013.83
5.3.20.0070.04013.64
5.3.10.0070.04713.48
5.3.00.0100.04013.47
5.2.170.0070.04711.00
5.2.160.0030.06011.14
5.2.150.0130.02711.15
5.2.140.0000.06711.13
5.2.130.0000.04711.09
5.2.120.0000.05710.92
5.2.110.0030.04311.03
5.2.100.0030.05011.04
5.2.90.0030.03011.00
5.2.80.0030.04011.06
5.2.70.0030.03010.98
5.2.60.0000.03311.12
5.2.50.0130.03710.94
5.2.40.0030.06710.83
5.2.30.0130.05310.91
5.2.20.0070.04010.93
5.2.10.0130.05310.86
5.2.00.0070.03010.66
5.1.60.0070.0509.98
5.1.50.0000.0609.98
5.1.40.0100.0339.81
5.1.30.0030.03010.34
5.1.20.0030.03710.34
5.1.10.0000.05310.17
5.1.00.0070.05710.05
5.0.50.0030.0379.71
5.0.40.0030.0309.71
5.0.30.0070.0479.71
5.0.20.0070.0379.71
5.0.10.0030.0339.71
5.0.00.0000.0679.71
4.4.90.0070.0279.71
4.4.80.0030.0409.71
4.4.70.0070.0339.71
4.4.60.0000.0409.71
4.4.50.0070.0339.71
4.4.40.0000.0339.71
4.4.30.0030.0179.71
4.4.20.0000.0279.71
4.4.10.0070.0339.71
4.4.00.0000.0379.71
4.3.110.0030.0339.71
4.3.100.0030.0339.71
4.3.90.0070.0309.71
4.3.80.0000.0409.71
4.3.70.0070.0279.71
4.3.60.0030.0379.71
4.3.50.0000.0379.71
4.3.40.0000.0479.71
4.3.30.0070.0239.71
4.3.20.0000.0339.71
4.3.10.0000.0239.71
4.3.00.0030.0379.71

preferences:
42.9 ms | 401 KiB | 5 Q