3v4l.org

run code in 300+ PHP versions simultaneously
<?php function password($len = 12) { $chars = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789'; $len = strlen($chars); $multiplier = floor(256 / $len); $bytes = openssl_random_pseudo_bytes($len); return bin2hex($bytes); } 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)
8.3.60.0110.01116.75
8.3.50.0090.00616.14
8.3.40.0070.00718.92
8.3.30.0070.00718.71
8.3.20.0050.00320.38
8.3.10.0030.00623.50
8.3.00.0060.00321.88
8.2.180.0100.01018.66
8.2.170.0150.00022.96
8.2.160.0110.00419.19
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00421.16
8.2.120.0080.00026.35
8.2.110.0030.01322.29
8.2.100.0120.00017.91
8.2.90.0040.00417.91
8.2.80.0000.00817.97
8.2.70.0090.00017.75
8.2.60.0050.00317.93
8.2.50.0030.00518.10
8.2.40.0040.00720.48
8.2.30.0000.00721.21
8.2.20.0040.00418.05
8.2.10.0000.00818.19
8.2.00.0050.00218.23
8.1.280.0100.01025.92
8.1.270.0040.00422.32
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0090.00023.97
8.1.230.0030.00721.02
8.1.220.0060.00317.88
8.1.210.0040.00418.98
8.1.200.0000.00817.35
8.1.190.0030.00717.35
8.1.180.0120.00018.10
8.1.170.0080.00020.44
8.1.160.0040.00419.07
8.1.150.0030.00418.86
8.1.140.0040.00419.56
8.1.130.0070.00018.81
8.1.120.0000.00717.53
8.1.110.0070.00017.41
8.1.100.0000.00817.44
8.1.90.0020.00517.37
8.1.80.0050.00317.35
8.1.70.0000.00717.29
8.1.60.0000.00817.52
8.1.50.0030.00517.61
8.1.40.0050.00317.51
8.1.30.0000.00717.65
8.1.20.0040.00417.62
8.1.10.0030.00617.54
8.1.00.0040.00417.45
8.0.300.0000.00720.02
8.0.290.0040.00416.88
8.0.280.0070.00018.50
8.0.270.0030.00317.20
8.0.260.0030.00316.95
8.0.250.0000.00717.03
8.0.240.0070.00316.98
8.0.230.0000.01016.95
8.0.220.0030.00317.04
8.0.210.0000.00716.96
8.0.200.0030.00516.96
8.0.190.0060.00316.95
8.0.180.0080.00016.98
8.0.170.0040.00416.99
8.0.160.0040.00416.95
8.0.150.0000.00716.84
8.0.140.0030.00316.97
8.0.130.0030.00313.47
8.0.120.0070.00016.95
8.0.110.0030.00616.96
8.0.100.0000.00716.86
8.0.90.0020.00516.91
8.0.80.0090.01216.98
8.0.70.0040.00416.78
8.0.60.0080.00016.83
8.0.50.0070.00016.84
8.0.30.0070.01317.02
8.0.20.0100.00917.40
8.0.10.0000.00716.95
8.0.00.0160.00716.74
7.4.330.0050.00015.55
7.4.320.0000.00616.52
7.4.300.0060.00016.70
7.4.290.0030.00316.58
7.4.280.0050.00316.57
7.4.270.0000.00716.71
7.4.260.0030.00316.64
7.4.250.0040.00416.52
7.4.240.0040.00416.68
7.4.230.0050.00216.47
7.4.220.0100.01316.53
7.4.210.0030.01216.52
7.4.200.0000.00716.64
7.4.160.0090.00716.62
7.4.150.0130.00717.40
7.4.140.0160.00617.86
7.4.130.0090.00916.68
7.4.120.0090.01116.65
7.3.330.0000.00513.38
7.3.320.0030.00313.44
7.3.310.0020.00516.52
7.3.300.0000.00716.38
7.3.290.0100.00416.45
7.3.280.0070.01016.42
7.3.270.0070.01017.40
7.3.260.0120.00816.51
7.3.250.0110.00716.40
7.3.240.0070.01216.63
7.1.70.0070.01417.38

preferences:
48.82 ms | 400 KiB | 5 Q