3v4l.org

run code in 300+ PHP versions simultaneously
<?php $alpha = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; $length = 11; $ran = rand(0, strlen($alpha)); $key = rand($alpha, $ran); 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)
7.2.00.0060.01019.14
7.1.70.0000.00817.28
7.1.60.0100.01319.82
7.1.50.0070.01417.05
7.1.00.0130.06722.47
7.0.200.0060.00616.69
7.0.140.0030.07322.12
7.0.100.0230.07319.94
7.0.90.0100.07319.89
7.0.80.0030.08719.84
7.0.70.0030.08019.87
7.0.60.0100.06019.91
7.0.50.0100.08020.20
7.0.40.0030.06320.02
7.0.30.0100.08020.09
7.0.20.0100.07720.14
7.0.10.0100.08019.95
7.0.00.0070.07020.09
5.6.280.0070.07021.11
5.6.250.0100.08020.55
5.6.240.0070.08720.62
5.6.230.0130.08020.48
5.6.220.0100.08020.55
5.6.210.0100.08320.43
5.6.200.0070.08721.03
5.6.190.0100.07320.95
5.6.180.0130.07021.03
5.6.170.0130.07720.96
5.6.160.0200.08020.89
5.6.150.0100.08021.07
5.6.140.0170.07321.03
5.6.130.0100.08321.02
5.6.120.0100.08320.95
5.6.110.0100.08321.00
5.6.100.0130.08020.93
5.6.90.0130.08021.05
5.6.80.0100.08020.44
5.6.70.0200.06320.39
5.6.60.0070.08320.29
5.6.50.0200.06020.45
5.6.40.0070.07320.28
5.6.30.0030.08720.39
5.6.20.0100.07020.43
5.6.10.0100.07320.48
5.6.00.0200.06020.23
5.5.380.0100.07720.47
5.5.370.0170.07020.36
5.5.360.0100.08320.29
5.5.350.0000.07320.29
5.5.340.0000.08020.80
5.5.330.0130.07720.85
5.5.320.0070.08020.63
5.5.310.0170.06320.89
5.5.300.0100.07720.80
5.5.290.0030.08320.63
5.5.280.0100.07720.82
5.5.270.0170.06720.89
5.5.260.0100.07320.75
5.5.250.0070.07720.72
5.5.240.0130.07020.27
5.5.230.0100.08020.10
5.5.220.0070.06320.11
5.5.210.0130.07020.27
5.5.200.0100.07320.14
5.5.190.0130.08020.17
5.5.180.0270.06720.23
5.5.160.0100.08020.24
5.5.150.0130.07020.16
5.5.140.0130.07720.07
5.5.130.0170.07020.21
5.5.120.0000.08020.20
5.5.110.0130.07020.17
5.5.100.0100.06320.14
5.5.90.0070.07720.09
5.5.80.0030.08320.05
5.5.70.0130.07320.13
5.5.60.0130.06719.91
5.5.50.0170.06720.09
5.5.40.0070.07319.91
5.5.30.0130.07019.95
5.5.20.0100.07020.08
5.5.10.0100.06319.96
5.5.00.0070.07720.10
5.4.450.0070.06019.11
5.4.440.0070.05319.23
5.4.430.0000.06019.22
5.4.420.0070.07019.13
5.4.410.0030.05719.31
5.4.400.0130.07319.10
5.4.390.0170.06319.12
5.4.380.0100.07719.03
5.4.370.0200.06718.94
5.4.360.0100.06018.96
5.4.350.0100.07019.11
5.4.340.0100.07318.98
5.4.320.0170.06719.02
5.4.310.0070.07319.11
5.4.300.0030.08018.97
5.4.290.0030.08019.07
5.4.280.0200.05718.90
5.4.270.0130.06719.02
5.4.260.0170.06719.03
5.4.250.0100.05719.22
5.4.240.0070.05019.09
5.4.230.0100.08018.80
5.4.220.0100.06719.14
5.4.210.0070.04319.07
5.4.200.0030.07719.02
5.4.190.0170.05719.06
5.4.180.0070.04319.12
5.4.170.0130.04318.80
5.4.160.0170.06319.09
5.4.150.0100.06319.21
5.4.140.0170.07016.23
5.4.130.0030.07316.27
5.4.120.0130.06716.21
5.4.110.0130.06016.34
5.4.100.0070.06716.34
5.4.90.0100.07016.21
5.4.80.0130.05316.31
5.4.70.0070.07016.20
5.4.60.0030.07316.39
5.4.50.0030.07716.39
5.4.40.0000.07716.24
5.4.30.0100.06716.28
5.4.20.0000.06316.35
5.4.10.0100.06316.21
5.4.00.0070.07315.52
5.3.290.0070.07014.63
5.3.280.0200.06014.42
5.3.270.0030.08014.46
5.3.260.0130.07314.59
5.3.250.0070.07014.57
5.3.240.0130.07314.55
5.3.230.0070.05314.50
5.3.220.0100.07314.50
5.3.210.0030.08014.55
5.3.200.0000.06714.54
5.3.190.0000.07014.55
5.3.180.0100.04714.38
5.3.170.0100.06314.55
5.3.160.0070.07314.54
5.3.150.0070.06014.52
5.3.140.0100.07014.53
5.3.130.0030.07714.49
5.3.120.0070.08014.49
5.3.110.0070.07714.55
5.3.100.0000.04313.88
5.3.90.0030.03714.01
5.3.80.0100.04013.98
5.3.70.0100.05013.96
5.3.60.0070.04013.99
5.3.50.0100.06313.77
5.3.40.0070.06013.93
5.3.30.0030.07013.81
5.3.20.0100.07013.65
5.3.10.0100.03713.50
5.3.00.0100.07013.62
5.2.170.0030.06311.66
5.2.160.0030.06711.66
5.2.150.0000.06711.66
5.2.140.0070.05011.66
5.2.130.0070.05711.66
5.2.120.0130.04011.66
5.2.110.0030.03711.66
5.2.100.0070.05311.66
5.2.90.0030.06711.66
5.2.80.0030.05011.66
5.2.70.0130.05311.66
5.2.60.0070.06311.66
5.2.50.0030.05011.66
5.2.40.0030.06311.66
5.2.30.0030.06311.66
5.2.20.0100.06011.66
5.2.10.0070.06011.66
5.2.00.0070.05711.66
5.1.60.0000.05711.66
5.1.50.0000.05711.66
5.1.40.0070.02711.66
5.1.30.0030.03011.66
5.1.20.0030.03711.66
5.1.10.0030.03711.66
5.1.00.0100.05311.66
5.0.50.0000.05011.66
5.0.40.0030.03711.66
5.0.30.0000.06711.66
5.0.20.0000.04311.66
5.0.10.0130.02711.66
5.0.00.0030.05311.66
4.4.90.0070.03011.66
4.4.80.0070.02311.66
4.4.70.0000.03711.66
4.4.60.0070.02711.66
4.4.50.0030.03711.66
4.4.40.0000.04311.66
4.4.30.0000.02711.66
4.4.20.0070.03711.66
4.4.10.0000.03311.66
4.4.00.0000.03311.66
4.3.110.0000.02011.66
4.3.100.0000.03011.66
4.3.90.0100.02711.66
4.3.80.0030.05311.66
4.3.70.0030.03311.66
4.3.60.0100.02711.66
4.3.50.0070.03311.66
4.3.40.0000.05011.66
4.3.30.0000.03711.66
4.3.20.0000.03311.66
4.3.10.0000.03711.66
4.3.00.0000.02311.66

preferences:
36.76 ms | 400 KiB | 5 Q