3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( bin2hex(mcrypt_create_iv(128, mt_rand())));

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)
7.3.120.0060.00614.72
7.3.110.0100.00614.86
7.3.100.0050.00514.61
7.3.90.0060.01314.79
7.3.80.0070.00714.59
7.3.70.0100.00314.57
7.3.60.0030.00714.61
7.3.50.0060.00914.39
7.3.40.0030.00914.47
7.3.30.0040.01114.42
7.3.20.0190.00416.57
7.3.10.0090.00716.61
7.3.00.0080.00716.46
7.2.240.0030.01414.99
7.2.230.0130.00314.54
7.2.220.0040.00814.44
7.2.210.0150.00014.46
7.2.200.0130.00014.84
7.2.190.0000.01214.67
7.2.180.0100.00314.86
7.2.170.0120.00014.77
7.2.160.0100.00714.57
7.2.150.0060.00916.63
7.2.140.0090.00616.73
7.2.130.0080.01116.59
7.2.120.0030.01216.60
7.2.110.0050.00916.63
7.2.100.0060.00616.50
7.2.90.0020.01316.61
7.2.80.0070.00716.75
7.2.70.0030.01116.75
7.2.60.0050.00816.68
7.2.50.0080.00616.44
7.2.40.0050.00716.71
7.2.30.0070.00716.56
7.2.20.0080.00616.52
7.2.10.0060.00816.45
7.2.00.0060.01017.51
7.1.330.0100.00315.50
7.1.320.0060.01015.61
7.1.310.0040.00415.59
7.1.300.0060.00615.33
7.1.290.0060.00615.32
7.1.280.0080.00815.36
7.1.270.0070.01015.62
7.1.260.0080.01215.48
7.1.250.0090.00615.59
7.1.70.0030.00617.05
7.1.60.0090.01619.32
7.1.50.0070.01716.82
7.1.00.0070.07322.34
7.0.200.0110.00316.74
7.0.140.0030.07321.96
7.0.60.0070.05319.85
7.0.50.0000.06017.66
7.0.40.0170.07320.05
7.0.30.0200.05320.00
7.0.20.0270.07020.20
7.0.10.0070.04020.09
7.0.00.0100.06720.30
5.6.280.0030.07320.84
5.6.210.0000.04320.64
5.6.200.0100.06018.15
5.6.190.0000.05320.45
5.6.180.0370.04720.63
5.6.170.0400.06320.48
5.6.160.0030.05720.48
5.6.150.0030.08318.11
5.6.140.0100.04318.16
5.6.130.0100.03318.11
5.6.120.0170.07720.79
5.6.110.0130.04321.03
5.6.100.0070.07720.95
5.6.90.0100.08020.96
5.6.80.0200.07320.37
5.5.350.0170.08320.42
5.5.340.0100.06717.98
5.5.330.0000.05720.07
5.5.320.0300.04720.32
5.5.310.0200.03720.26
5.5.300.0100.08317.92
5.5.290.0100.08017.93
5.5.280.0100.04020.96
5.5.270.0030.04020.93
5.5.260.0070.09320.83
5.5.250.0100.07020.70
5.5.240.0230.07320.15
5.4.450.0600.03319.46
5.4.440.1030.05719.56
5.4.430.0900.05019.63
5.4.420.0730.00019.32
5.4.410.0830.00019.22
5.4.400.0830.00019.00
5.4.390.0830.00019.07
5.4.380.0670.00019.06
5.4.370.0630.00019.08
5.4.360.0630.00019.07
5.4.350.0700.00019.10
5.4.340.0800.00019.16
5.4.320.0070.04212.45
5.4.310.0080.03712.45
5.4.300.0070.03612.45
5.4.290.0080.03612.45
5.4.280.0080.03212.35
5.4.270.0060.03512.35
5.4.260.0050.03612.35
5.4.250.0040.03912.35
5.4.240.0020.03812.34
5.4.230.0060.03512.34
5.4.220.0050.03512.34
5.4.210.0070.03912.34
5.4.200.0110.03712.34
5.4.190.0070.03612.33
5.4.180.0050.03812.33
5.4.170.0070.03512.34
5.4.160.0090.03412.34
5.4.150.0080.04212.34
5.4.140.0050.03712.02
5.4.130.0090.03012.01
5.4.120.0060.03411.96
5.4.110.0040.03711.96
5.4.100.0070.03611.96
5.4.90.0030.03811.97
5.4.80.0070.04111.96
5.4.70.0070.03211.96
5.4.60.0050.03511.96
5.4.50.0030.03711.96
5.4.40.0080.03711.95
5.4.30.0070.03311.95
5.4.20.0040.04711.95
5.4.10.0060.04011.95
5.4.00.0050.03511.44
5.3.290.0020.04312.80
5.3.280.0060.03712.71
5.3.270.0040.03812.72
5.3.260.0040.04112.72
5.3.250.0060.03612.71
5.3.240.0080.03712.72
5.3.230.0040.03912.70
5.3.220.0080.03312.68
5.3.210.0090.03612.68
5.3.200.0110.03212.68
5.3.190.0080.03512.68
5.3.180.0040.03812.68
5.3.170.0040.04112.66
5.3.160.0080.03412.67
5.3.150.0050.03712.67
5.3.140.0080.03812.66
5.3.130.0090.03712.66
5.3.120.0070.03712.65
5.3.110.0050.03912.66
5.3.100.0050.03712.12
5.3.90.0070.03512.09
5.3.80.0090.03412.08
5.3.70.0060.03612.07
5.3.60.0050.03612.06
5.3.50.0070.03612.00
5.3.40.0080.03512.00
5.3.30.0110.03111.95
5.3.20.0060.03511.72
5.3.10.0050.03511.69
5.3.00.0050.03711.68
5.2.170.0050.0309.18
5.2.160.0030.0309.18
5.2.150.0030.0309.18
5.2.140.0070.0279.18
5.2.130.0030.0299.14
5.2.120.0020.0299.14
5.2.110.0040.0319.14
5.2.100.0050.0279.14
5.2.90.0050.0289.14
5.2.80.0080.0269.14
5.2.70.0010.0419.13
5.2.60.0040.0339.09
5.2.50.0030.0319.06
5.2.40.0050.0299.03
5.2.30.0080.0459.01
5.2.20.0060.0339.00
5.2.10.0060.0268.92
5.2.00.0030.0338.78
5.1.60.0090.0248.06
5.1.50.0090.0208.06
5.1.40.0060.0228.04
5.1.30.0050.0278.39
5.1.20.0050.0268.41
5.1.10.0050.0248.14
5.1.00.0040.0348.14
5.0.50.0060.0176.61
5.0.40.0040.0186.47
5.0.30.0030.0316.29
5.0.20.0050.0206.26
5.0.10.0040.0246.23
5.0.00.0020.0366.23
4.4.90.0010.0164.78
4.4.80.0010.0204.76
4.4.70.0020.0174.75
4.4.60.0020.0164.76
4.4.50.0050.0204.77
4.4.40.0030.0254.71
4.4.30.0000.0194.76
4.4.20.0010.0174.84
4.4.10.0040.0224.85
4.4.00.0020.0254.76
4.3.110.0030.0254.67
4.3.100.0030.0144.66
4.3.90.0040.0134.63
4.3.80.0030.0244.59
4.3.70.0020.0154.63
4.3.60.0050.0124.63
4.3.50.0030.0144.63
4.3.40.0000.0264.54
4.3.30.0020.0163.28
4.3.20.0030.0143.26
4.3.10.0020.0153.21
4.3.00.0030.0107.43

preferences:
32.6 ms | 401 KiB | 5 Q