3v4l.org

run code in 300+ PHP versions simultaneously
<?php $randomData = mcrypt_create_iv(20, MCRYPT_DEV_URANDOM); if ($randomData !== false && strlen($randomData) === 20) { echo bin2hex($randomData); }

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)
8.3.60.0120.00316.50
8.3.50.0150.00721.98
8.3.40.0070.00719.02
8.3.30.0070.01418.66
8.3.20.0020.00520.30
8.3.10.0040.00423.53
8.3.00.0070.00317.38
8.2.180.0070.00725.92
8.2.170.0070.00722.96
8.2.160.0030.01320.53
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00421.04
8.2.110.0100.00020.94
8.2.100.0090.00317.91
8.2.90.0040.00419.04
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00717.80
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0040.00417.91
8.2.20.0000.00817.68
8.2.10.0000.00817.87
8.2.00.0000.00718.09
8.1.280.0140.00325.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.63
8.1.230.0070.00417.70
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0050.00317.10
8.1.190.0030.00617.35
8.1.180.0090.00018.10
8.1.170.0030.00618.52
8.1.160.0040.00418.77
8.1.150.0000.00718.64
8.1.140.0000.00719.33
8.1.130.0030.00517.64
8.1.120.0080.00017.36
8.1.110.0030.00517.21
8.1.100.0050.00217.26
8.1.90.0000.00817.35
8.1.80.0000.00817.34
8.1.70.0000.00717.34
8.1.60.0040.00417.48
8.1.50.0000.00817.47
8.1.40.0070.00317.39
8.1.30.0080.00317.59
8.1.20.0000.00817.59
8.1.10.0040.00417.43
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0030.00616.63
8.0.280.0030.00518.34
8.0.270.0030.00317.14
8.0.260.0000.00617.11
8.0.250.0060.00316.86
8.0.240.0000.00717.00
8.0.230.0000.00716.87
8.0.220.0000.00616.93
8.0.210.0040.00416.89
8.0.200.0030.00316.94
8.0.190.0000.00716.94
8.0.180.0030.00516.93
8.0.170.0050.00316.86
8.0.160.0030.00316.83
8.0.150.0070.00016.74
8.0.140.0000.00716.81
8.0.130.0030.00313.33
8.0.120.0000.00816.73
8.0.110.0040.00416.94
8.0.100.0050.00316.77
8.0.90.0040.00416.74
8.0.80.0090.00616.78
8.0.70.0030.00516.78
8.0.60.0050.00216.80
8.0.50.0070.00016.93
8.0.30.0090.00817.09
8.0.20.0100.00817.40
8.0.10.0030.00516.84
8.0.00.0070.01316.77
7.4.330.0030.00315.08
7.4.320.0030.00316.44
7.4.300.0000.00616.55
7.4.290.0030.00316.45
7.4.280.0050.00516.54
7.4.270.0060.00016.46
7.4.260.0070.00316.46
7.4.250.0030.00516.55
7.4.240.0040.00416.46
7.4.230.0000.00716.27
7.4.220.0100.01016.47
7.4.210.0120.00516.44
7.4.200.0000.00716.52
7.4.160.0070.01016.29
7.4.150.0140.00317.40
7.4.140.0150.00817.86
7.4.130.0080.01516.47
7.4.120.0100.00816.45
7.4.110.0060.01816.67
7.4.100.0030.01516.41
7.4.90.0080.01216.39
7.4.80.0060.01819.39
7.4.70.0120.00616.39
7.4.60.0060.00916.43
7.4.50.0000.00816.43
7.4.40.0080.00816.36
7.4.30.0140.00716.49
7.4.00.0130.00314.75
7.3.330.0060.00013.13
7.3.320.0030.00313.02
7.3.310.0000.00716.23
7.3.300.0070.00016.32
7.3.290.0070.00016.28
7.3.280.0140.00416.28
7.3.270.0110.01117.40
7.3.260.0100.00616.23
7.3.250.0110.00716.40
7.3.240.0100.00816.29
7.3.230.0060.01216.39
7.3.210.0080.00816.25
7.3.200.0150.00216.27
7.3.190.0100.00616.26
7.3.180.0100.00716.41
7.3.170.0090.00916.34
7.3.160.0060.00916.30
7.2.330.0070.01016.24
7.2.320.0060.01016.27
7.2.310.0040.01416.17
7.2.300.0160.01916.59
7.2.290.0130.00916.55
7.2.60.0070.00716.57
7.1.200.0060.00815.64
7.1.70.0050.00317.01
7.1.60.0060.01519.43
7.1.50.0090.01516.79
7.1.00.0070.07322.34
7.0.200.0380.00714.50
7.0.60.0070.05719.92
7.0.50.0070.03717.88
7.0.40.0170.04020.06
7.0.30.0170.04320.20
7.0.20.0200.04320.20
7.0.10.0100.07720.19
7.0.00.0100.05320.10
5.6.280.0030.03321.07
5.6.210.0100.08020.71
5.6.200.0030.08018.15
5.6.190.0030.04720.57
5.6.180.0470.06320.39
5.6.170.0270.05020.40
5.6.160.0070.07020.70
5.6.150.0130.07018.22
5.6.140.0100.07718.22
5.6.130.0100.07318.21
5.6.120.0070.03720.99
5.6.110.0070.08321.07
5.6.100.0030.04321.13
5.6.90.0100.07720.99
5.6.80.0100.03720.37
5.5.350.3000.04020.39
5.5.340.0100.07717.91
5.5.330.0070.05020.15
5.5.320.0330.07020.41
5.5.310.0130.05020.29
5.5.300.0000.07318.02
5.5.290.0030.04317.97
5.5.280.0070.04320.76
5.5.270.0100.07020.67
5.5.260.0100.07320.86
5.5.250.0000.04320.58
5.5.240.0030.07720.18
5.4.450.0070.06019.64
5.4.440.0130.05319.42
5.4.430.0170.06719.44
5.4.420.0570.06019.09
5.4.410.0500.06319.48
5.4.400.0600.06019.30
5.4.390.0630.05719.31
5.4.380.0570.05019.00
5.4.370.0530.05719.15
5.4.360.0570.05719.28
5.4.350.0500.06018.81
5.4.340.0330.06319.20
5.4.320.0430.05718.80
5.4.310.0330.06019.16
5.4.300.0530.05319.30
5.4.290.0500.04718.79
5.4.280.0400.05719.16
5.4.270.0430.05018.89
5.4.260.0530.05319.19
5.4.250.0530.05319.14
5.4.240.0530.05318.79
5.4.230.0500.04719.13
5.4.220.0600.05019.25
5.4.210.0400.05319.19
5.4.200.0400.05319.18
5.4.190.0600.05019.15
5.4.180.0570.04719.14
5.4.170.0530.05318.93
5.4.160.0500.05719.14
5.4.150.0570.05319.06
5.4.140.0570.04716.40
5.4.130.0570.04716.17
5.4.120.0470.05716.30
5.4.110.0570.05016.45
5.4.100.0500.05316.46
5.4.90.0470.05316.45
5.4.80.0630.04016.37
5.4.70.0400.05316.43
5.4.60.0570.04316.51
5.4.50.0600.04716.04
5.4.40.0570.05016.53
5.4.30.0600.04016.50
5.4.20.0600.05316.42
5.4.10.0600.05716.36
5.4.00.0570.06315.89

preferences:
66.87 ms | 401 KiB | 5 Q