3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo bin2hex(mcrypt_create_iv(6, MCRYPT_DEV_URANDOM)); ?>

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)
8.3.60.0120.00918.43
8.3.50.0100.01016.36
8.3.40.0070.00718.70
8.3.30.0140.00318.66
8.3.20.0000.00720.04
8.3.10.0040.00421.82
8.3.00.0050.00319.65
8.2.180.0060.00916.37
8.2.170.0070.01022.96
8.2.160.0100.00320.58
8.2.150.0040.00424.18
8.2.140.0070.01124.66
8.2.130.0040.00426.16
8.2.120.0090.00017.61
8.2.110.0000.00922.24
8.2.100.0040.00717.50
8.2.90.0020.00519.05
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0040.00419.21
8.2.30.0000.00819.65
8.2.20.0040.00417.74
8.2.10.0040.00417.86
8.2.00.0040.00418.02
8.1.280.0030.01025.92
8.1.270.0130.00620.20
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.53
8.1.230.0070.00417.42
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0040.00418.51
8.1.160.0050.00321.82
8.1.150.0030.00618.83
8.1.140.0050.00317.27
8.1.130.0070.00017.51
8.1.120.0000.00717.31
8.1.110.0030.00617.31
8.1.100.0000.00717.28
8.1.90.0040.00417.22
8.1.80.0070.00017.25
8.1.70.0030.00317.34
8.1.60.0040.00417.40
8.1.50.0080.00017.43
8.1.40.0040.00417.41
8.1.30.0030.00617.59
8.1.20.0040.00417.40
8.1.10.0050.00317.48
8.1.00.0000.00717.32
8.0.300.0020.00518.77
8.0.290.0040.00416.75
8.0.280.0000.00718.44
8.0.270.0000.00717.20
8.0.260.0000.00617.09
8.0.250.0000.00716.94
8.0.240.0030.00316.93
8.0.230.0070.00016.86
8.0.220.0030.00316.90
8.0.210.0000.00716.83
8.0.200.0030.00316.92
8.0.190.0080.00016.90
8.0.180.0000.00716.82
8.0.170.0040.00416.87
8.0.160.0000.00716.93
8.0.150.0030.00416.71
8.0.140.0070.00016.81
8.0.130.0060.00013.24
8.0.120.0080.00016.86
8.0.110.0060.00316.88
8.0.100.0000.00716.68
8.0.90.0000.00716.82
8.0.80.0000.01716.77
8.0.70.0000.00716.75
8.0.60.0000.00716.91
8.0.50.0000.00816.68
8.0.30.0050.01317.03
8.0.20.0100.00817.40
8.0.10.0040.00416.80
8.0.00.0080.01116.84
7.4.330.0020.00215.08
7.4.320.0030.00316.37
7.4.300.0030.00316.47
7.4.290.0000.00916.41
7.4.280.0040.00416.51
7.4.270.0070.00016.33
7.4.260.0000.00716.52
7.4.250.0060.00316.44
7.4.240.0010.00616.56
7.4.230.0040.00416.27
7.4.220.0060.01016.36
7.4.210.0080.00516.47
7.4.200.0000.00716.42
7.4.160.0090.00616.36
7.4.150.0060.01017.40
7.4.140.0050.01217.86
7.4.130.0160.00616.51
7.4.120.0090.01016.40
7.4.110.0140.00616.49
7.4.100.0070.01016.46
7.4.90.0100.00716.33
7.4.80.0030.01319.39
7.4.70.0120.01216.40
7.4.60.0080.00816.24
7.4.50.0040.00416.21
7.4.40.0080.00816.48
7.4.30.0060.01216.32
7.4.00.0160.00014.96
7.3.330.0070.00012.99
7.3.320.0030.00313.09
7.3.310.0000.00716.21
7.3.300.0000.00616.10
7.3.290.0050.01016.24
7.3.280.0080.01216.27
7.3.270.0090.00917.40
7.3.260.0030.01216.23
7.3.250.0110.00616.31
7.3.240.0100.00716.46
7.3.230.0070.01716.39
7.3.210.0080.00816.18
7.3.200.0000.01516.48
7.3.190.0100.01016.55
7.3.180.0100.00616.14
7.3.170.0150.00316.27
7.3.160.0060.01616.27
7.2.330.0030.01416.56
7.2.320.0070.01316.48
7.2.310.0130.00316.48
7.2.300.0110.00616.63
7.2.290.0080.00816.16
7.2.60.0000.01416.80
7.2.00.0030.00619.11
7.1.200.0030.01015.66
7.1.100.0040.00817.88
7.1.70.0000.00817.03
7.1.60.0060.01919.17
7.1.50.0190.00934.62
7.1.00.0000.07722.41
7.0.200.0030.00616.65
7.0.60.0070.04019.92
7.0.50.0030.07017.89
7.0.40.0130.08020.07
7.0.30.0370.06720.09
7.0.20.0170.05320.09
7.0.10.0100.07720.32
7.0.00.0030.05020.16
5.6.280.0000.04720.90
5.6.210.0000.04320.74
5.6.200.0230.06718.18
5.6.190.0070.05020.45
5.6.180.0300.07720.33
5.6.170.0230.05320.33
5.6.160.0170.07020.49
5.6.150.0030.08718.21
5.6.140.0000.05018.11
5.6.130.0000.04318.11
5.6.120.0230.04020.96
5.6.110.0200.07021.02
5.6.100.0030.07320.97
5.6.90.0030.04321.07
5.6.80.0030.04320.41
5.6.70.0230.06720.36
5.5.350.0270.05320.36
5.5.340.0030.04017.91
5.5.330.0070.07320.28
5.5.320.0000.04320.18
5.5.310.0300.04320.27
5.5.300.0100.06718.00
5.5.290.0170.03017.92
5.5.280.0100.05020.84
5.5.270.0070.07020.66
5.5.260.0100.03720.87
5.5.250.0270.06020.70
5.5.240.0270.06720.25
5.4.450.0770.05319.37
5.4.440.0670.06319.18
5.4.430.0870.05319.30
5.4.420.0700.06019.47
5.4.410.1100.06019.44
5.4.400.1200.05719.09
5.4.390.0970.05719.28
5.4.380.0800.04719.13
5.4.370.0770.05019.30
5.4.360.0730.05718.94
5.4.350.0700.05319.16
5.4.340.0770.05319.08
5.4.320.0670.06018.76
5.4.310.0700.05318.75
5.4.300.0730.05019.27
5.4.290.0870.04018.98
5.4.280.0800.04719.27
5.4.270.0670.05719.23
5.4.260.0770.05319.21
5.4.250.0700.06019.27
5.4.240.0730.05018.84
5.4.230.0730.05319.26
5.4.220.0730.05319.15
5.4.210.0870.03718.75
5.4.200.1070.04018.75
5.4.190.0970.05019.20
5.4.180.0930.05019.07
5.4.170.1130.04019.14
5.4.160.1000.05319.31
5.4.150.0900.06019.16
5.4.140.0730.05316.35
5.4.130.0730.04716.15
5.4.120.0730.05316.40
5.4.110.0770.05016.37
5.4.100.0830.05016.45
5.4.90.0730.04716.46
5.4.80.0800.04716.46
5.4.70.0200.03716.15
5.4.60.0370.06016.20
5.4.50.0070.06316.15
5.4.40.0030.06016.37
5.4.30.0030.07316.45
5.4.20.0030.07016.36

preferences:
65.8 ms | 400 KiB | 5 Q