3v4l.org

run code in 300+ PHP versions simultaneously
<?php function password($len = 12) { $chars = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789'; $len = strlen($chars); $multiplier = floor(256 / $len); $byte = openssl_random_pseudo_bytes(1)[0]; return $byte; } echo password();

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)
8.3.40.0140.00318.92
8.3.30.0080.00818.76
8.3.20.0000.00720.39
8.3.10.0030.00621.71
8.3.00.0080.00022.21
8.2.170.0030.01722.96
8.2.160.0070.00719.34
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00021.25
8.2.120.0080.00026.35
8.2.110.0000.00922.20
8.2.100.0060.00617.84
8.2.90.0050.00519.20
8.2.80.0000.00818.16
8.2.70.0080.00417.50
8.2.60.0060.00318.05
8.2.50.0090.00018.10
8.2.40.0080.00020.61
8.2.30.0040.00421.03
8.2.20.0060.00618.16
8.2.10.0040.00418.21
8.2.00.0000.00718.17
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0070.00321.36
8.1.230.0070.00419.13
8.1.220.0030.00617.76
8.1.210.0070.00418.77
8.1.200.0030.00617.48
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0040.00418.96
8.1.160.0040.00419.09
8.1.150.0000.00720.63
8.1.140.0000.00819.63
8.1.130.0030.00318.90
8.1.120.0040.00417.37
8.1.110.0040.00417.44
8.1.100.0040.00417.52
8.1.90.0050.00217.47
8.1.80.0000.00717.45
8.1.70.0030.00317.41
8.1.60.0000.01017.58
8.1.50.0040.00417.63
8.1.40.0000.00717.57
8.1.30.0000.00817.70
8.1.20.0000.00717.61
8.1.10.0000.00817.64
8.1.00.0040.00417.59
8.0.300.0030.00618.77
8.0.290.0080.00016.88
8.0.280.0070.00018.51
8.0.270.0030.00317.23
8.0.260.0000.00616.94
8.0.250.0030.00317.05
8.0.240.0000.00817.13
8.0.230.0030.00616.95
8.0.220.0040.00416.91
8.0.210.0040.00416.93
8.0.200.0030.00317.02
8.0.190.0080.00017.02
8.0.180.0080.00017.02
8.0.170.0040.00416.95
8.0.160.0030.00317.04
8.0.150.0000.00716.80
8.0.140.0050.00316.90
8.0.130.0000.00713.37
8.0.120.0020.00516.82
8.0.110.0040.00416.78
8.0.100.0030.00516.86
8.0.90.0070.00016.95
8.0.80.0120.00917.01
8.0.70.0080.00016.79
8.0.60.0000.00816.96
8.0.50.0050.00216.85
8.0.30.0090.00817.00
8.0.20.0070.01117.41
8.0.10.0080.00017.01
8.0.00.0100.00717.01
7.4.330.0030.00315.55
7.4.320.0070.00016.52
7.4.300.0030.00316.66
7.4.290.0000.00816.58
7.4.280.0000.00816.66
7.4.270.0040.00416.57
7.4.260.0000.00716.61
7.4.250.0000.00716.47
7.4.240.0040.00416.67
7.4.230.0040.00416.64
7.4.220.0060.01316.61
7.4.210.0060.00916.71
7.4.200.0000.00716.55
7.4.160.0020.01416.68
7.4.150.0160.02017.40
7.4.140.0080.01417.86
7.4.130.0080.01116.60
7.4.120.0140.00916.67
7.3.330.0020.00213.44
7.3.320.0030.00313.43
7.3.310.0030.00316.39
7.3.300.0030.00316.44
7.3.290.0080.00816.45
7.3.280.0060.01016.45
7.3.270.0110.00817.40
7.3.260.0130.00616.71
7.3.250.0080.01316.43
7.3.240.0100.00916.39
7.1.70.0030.01617.30

preferences:
46.86 ms | 400 KiB | 5 Q