3v4l.org

run code in 300+ PHP versions simultaneously
<?php function quickRandom($length = 16) { $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; return substr(str_shuffle(str_repeat($pool, 5)), 0, $length); } echo (quickRandom(311));

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)
7.4.00.0000.01714.92
7.3.120.0030.01614.51
7.3.110.0100.00714.78
7.3.100.0070.00714.76
7.3.90.0030.00614.56
7.3.80.0080.00814.68
7.3.70.0060.00914.80
7.3.60.0100.00314.39
7.3.50.0000.01514.78
7.3.40.0070.00714.87
7.3.30.0070.01014.69
7.3.20.0080.00416.45
7.3.10.0000.01316.63
7.3.00.0070.01016.64
7.2.250.0120.00615.13
7.2.240.0070.01314.80
7.2.230.0030.01314.79
7.2.220.0070.00715.09
7.2.210.0040.01114.64
7.2.200.0030.01314.85
7.2.190.0060.00314.85
7.2.180.0030.00914.88
7.2.170.0090.00615.08
7.2.60.0040.00416.90
7.1.330.0130.00315.80
7.1.320.0060.00915.58
7.1.310.0040.01215.95
7.1.300.0060.00615.68
7.1.290.0060.01015.57
7.1.280.0060.00615.60
7.1.270.0030.00715.78
7.1.260.0030.01015.69
7.1.200.0070.01015.70
7.1.70.0030.00617.09
7.1.60.0190.00619.43
7.1.50.0120.00916.99
7.1.00.0070.03022.54
7.0.200.0070.00016.40
7.0.140.0070.07322.22
7.0.100.0070.08019.93
7.0.90.0200.07320.12
7.0.80.0100.09019.86
7.0.70.0030.06719.85
7.0.60.0070.07719.88
7.0.50.0100.08320.28
7.0.40.0170.06720.00
7.0.30.0100.08020.10
7.0.20.0070.09020.14
7.0.10.0170.07320.17
7.0.00.0130.07320.10
5.6.280.0070.09021.13
5.6.250.0070.08020.79
5.6.240.0030.08320.57
5.6.230.0130.05720.69
5.6.220.0070.07720.52
5.6.210.0100.08320.62
5.6.200.0030.09021.12
5.6.190.0100.09021.02
5.6.180.0100.07020.96
5.6.170.0130.08021.10
5.6.160.0030.09320.95
5.6.150.0130.07320.96
5.6.140.0030.08321.05
5.6.130.0100.08020.95
5.6.120.0130.07020.95
5.6.110.0070.04720.95
5.6.100.0100.08020.95
5.6.90.0070.07320.94
5.6.80.0100.08020.43
5.6.70.0000.06320.34
5.6.60.0170.07320.54
5.6.50.0030.08320.42
5.6.40.0030.08320.30
5.6.30.0130.07320.40
5.6.20.0100.04720.40
5.6.10.0100.05720.46
5.6.00.0170.07720.39
5.5.380.0130.07720.40
5.5.370.0100.08020.41
5.5.360.0170.07020.36
5.5.350.0100.08020.45
5.5.340.0030.05020.93
5.5.330.0170.08720.92
5.5.320.0070.09020.91
5.5.310.0130.07020.79
5.5.300.0130.08020.88
5.5.290.0130.07320.63
5.5.280.0130.08320.90
5.5.270.0130.09020.79
5.5.260.0000.08720.86
5.5.250.0100.07720.61
5.5.240.0070.08720.12
5.5.230.0170.08020.29
5.5.220.0070.07320.14
5.5.210.0030.07320.30
5.5.200.0130.07320.23
5.5.190.0070.07720.24
5.5.180.0070.07720.24
5.5.160.0170.06320.23
5.5.150.0030.07320.10
5.5.140.0030.07320.13
5.5.130.0070.07020.17
5.5.120.0100.08020.24
5.5.110.0070.08020.27
5.5.100.0170.04720.02
5.5.90.0070.07319.97
5.5.80.0070.04320.13
5.5.70.0130.07319.97
5.5.60.0000.05720.06
5.5.50.0100.06720.09
5.5.40.0070.06020.14
5.5.30.0200.06719.92
5.5.20.0200.06320.11
5.5.10.0070.07320.09
5.5.00.0130.07320.04
5.4.450.0070.08319.45
5.4.440.0130.08019.32
5.4.430.0070.07719.48
5.4.420.0100.07319.44
5.4.410.0100.07319.25
5.4.400.0030.06318.95
5.4.390.0070.07319.18
5.4.380.0070.07319.00
5.4.370.0070.07319.05
5.4.360.0070.07719.20
5.4.350.0100.08018.88
5.4.340.0030.04019.05
5.4.320.0000.07019.05
5.4.310.0000.07319.03
5.4.300.0000.08719.12
5.4.290.0030.04019.04
5.4.280.0100.07319.04
5.4.270.0100.07318.87
5.4.260.0130.07019.23
5.4.250.0030.07319.04
5.4.240.0100.03319.16
5.4.230.0030.05019.15
5.4.220.0130.03318.95
5.4.210.0170.06719.02
5.4.200.0100.05719.15
5.4.190.0000.08019.17
5.4.180.0100.07318.99
5.4.170.0170.06718.93
5.4.160.0130.05319.12
5.4.150.0070.06319.03
5.4.140.0070.06716.45
5.4.130.0030.06716.43
5.4.120.0170.06316.43
5.4.110.0030.05316.38
5.4.100.0030.03716.43
5.4.90.0030.04016.33
5.4.80.0130.03016.48
5.4.70.0030.03716.49
5.4.60.0000.05716.41
5.4.50.0030.03716.40
5.4.40.0000.04316.50
5.4.30.0100.03016.30
5.4.20.0030.05716.48
5.4.10.0000.04016.45
5.4.00.0130.04715.64
5.3.290.0030.07714.71
5.3.280.0070.08314.71
5.3.270.0070.07714.63
5.3.260.0100.07014.53
5.3.250.0130.06714.61
5.3.240.0000.08314.74
5.3.230.0170.06714.65
5.3.220.0100.07714.55
5.3.210.0070.08714.67
5.3.200.0070.04014.54
5.3.190.0070.04014.63
5.3.180.0070.03714.50
5.3.170.0000.04014.68
5.3.160.0000.04714.65
5.3.150.0070.04714.51
5.3.140.0000.04714.50
5.3.130.0000.04314.68
5.3.120.0070.03314.68
5.3.110.0070.05014.57
5.3.100.0000.04014.14
5.3.90.0070.06314.13
5.3.80.0070.05314.07
5.3.70.0070.05714.14
5.3.60.0000.04014.12
5.3.50.0030.03314.00
5.3.40.0070.03313.93
5.3.30.0000.04013.82
5.3.20.0030.04713.77
5.3.10.0130.04313.54
5.3.00.0000.03713.64
5.2.170.0030.02711.74
5.2.160.0030.03011.74
5.2.150.0100.02711.74
5.2.140.0000.03011.74
5.2.130.0000.03011.74
5.2.120.0030.02311.74
5.2.110.0070.02711.74
5.2.100.0030.02711.74
5.2.90.0000.03011.74
5.2.80.0070.03311.74
5.2.70.0000.03311.74
5.2.60.0030.03311.74
5.2.50.0030.02711.74
5.2.40.0000.03311.74
5.2.30.0030.03311.74
5.2.20.0000.03711.74
5.2.10.0100.01711.74
5.2.00.0030.03311.74
5.1.60.0070.03011.74
5.1.50.0030.02311.74
5.1.40.0000.03311.74
5.1.30.0000.04011.74
5.1.20.0070.05311.74
5.1.10.0030.04711.74
5.1.00.0100.05311.74
5.0.50.0000.05011.74
5.0.40.0070.03711.74
5.0.30.0100.05311.74
5.0.20.0030.04311.74
5.0.10.0070.04011.74
5.0.00.0070.04011.74
4.4.90.0070.01011.74
4.4.80.0000.01711.74
4.4.70.0000.01711.74
4.4.60.0000.02311.74
4.4.50.0000.01711.74
4.4.40.0030.02311.74
4.4.30.0000.01711.74
4.4.20.0070.03011.74
4.4.10.0070.03311.74
4.4.00.0000.05311.74
4.3.110.0100.02711.74
4.3.100.0000.03711.74
4.3.90.0030.03311.74
4.3.80.0030.04711.74
4.3.70.0000.03711.74
4.3.60.0030.03311.74
4.3.50.0030.03311.74
4.3.40.0070.04711.74
4.3.30.0000.03711.74
4.3.20.0000.04311.74
4.3.10.0000.02711.74
4.3.00.0070.03311.74

preferences:
36.22 ms | 400 KiB | 5 Q