3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ivSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC); $iv = mcrypt_create_iv($ivSize, MCRYPT_DEV_URANDOM); // echo $ivSize; // echo $iv; echo strlen($iv);

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)
8.3.60.0140.00718.18
8.3.50.0140.00520.93
8.3.40.0140.00718.76
8.3.30.0060.01218.89
8.3.20.0040.00420.20
8.3.10.0040.00421.96
8.3.00.0000.00820.70
8.2.180.0150.00018.41
8.2.170.0070.00722.96
8.2.160.0100.00720.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00417.63
8.2.110.0100.00020.35
8.2.100.0080.00417.75
8.2.90.0070.00019.02
8.2.80.0040.00817.97
8.2.70.0050.00317.50
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0040.00421.25
8.2.30.0070.00019.86
8.2.20.0080.00017.66
8.2.10.0000.00818.01
8.2.00.0000.00818.05
8.1.280.0110.00725.92
8.1.270.0040.00420.12
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0060.00323.92
8.1.230.0110.00017.42
8.1.220.0000.00717.79
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0040.00417.00
8.1.180.0000.00818.10
8.1.170.0040.00418.70
8.1.160.0040.00421.95
8.1.150.0020.00518.70
8.1.140.0080.00017.27
8.1.130.0040.00417.58
8.1.120.0050.00317.38
8.1.110.0060.00317.33
8.1.100.0050.00317.36
8.1.90.0060.00317.35
8.1.80.0000.01017.18
8.1.70.0030.00317.23
8.1.60.0030.00617.49
8.1.50.0050.00317.43
8.1.40.0000.00817.46
8.1.30.0030.00517.65
8.1.20.0040.00417.63
8.1.10.0040.00417.45
8.1.00.0000.00717.46
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.32
8.0.270.0000.00717.11
8.0.260.0070.00017.22
8.0.250.0040.00416.89
8.0.240.0070.00016.84
8.0.230.0000.00716.93
8.0.220.0070.00016.80
8.0.210.0070.00016.89
8.0.200.0030.00516.99
8.0.190.0090.00016.83
8.0.180.0080.00016.93
8.0.170.0050.00316.78
8.0.160.0040.00316.96
8.0.150.0070.00016.84
8.0.140.0050.00216.84
8.0.130.0070.00013.30
8.0.120.0000.00716.78
8.0.110.0070.00016.90
8.0.100.0040.00416.82
8.0.90.0040.00416.68
8.0.80.0090.00616.89
8.0.70.0040.00416.77
8.0.60.0040.00416.75
8.0.50.0040.00416.95
8.0.30.0120.01016.98
8.0.20.0120.00617.40
8.0.10.0000.00716.97
8.0.00.0100.00816.71
7.4.330.0050.00015.08
7.4.320.0000.00616.37
7.4.300.0070.00016.43
7.4.290.0030.00316.45
7.4.280.0040.00416.41
7.4.270.0040.00316.55
7.4.260.0030.00316.32
7.4.250.0070.00016.42
7.4.240.0070.00016.44
7.4.230.0030.00316.32
7.4.220.0060.01316.46
7.4.210.0090.00916.57
7.4.200.0000.00716.64
7.4.160.0120.00416.48
7.4.150.0030.01317.40
7.4.140.0050.01317.86
7.4.130.0120.01016.51
7.4.120.0140.00316.44
7.4.110.0100.00716.48
7.4.100.0030.01316.71
7.4.90.0070.01016.64
7.4.80.0100.01419.39
7.4.70.0110.00516.53
7.4.60.0130.00316.28
7.4.50.0050.00316.38
7.4.40.0100.00616.39
7.4.30.0140.00416.55
7.4.00.0030.01514.87
7.3.330.0000.00513.01
7.3.320.0000.00613.18
7.3.310.0000.00716.13
7.3.300.0000.00716.21
7.3.290.0050.01016.21
7.3.280.0120.00816.30
7.3.270.0130.00917.40
7.3.260.0100.00816.21
7.3.250.0100.00716.36
7.3.240.0100.01016.60
7.3.230.0080.01616.39
7.3.210.0080.01116.50
7.3.200.0150.00319.39
7.3.190.0060.01016.30
7.3.180.0040.01116.39
7.3.170.0080.00816.55
7.3.160.0060.01316.41
7.2.330.0070.01116.52
7.2.320.0060.01616.41
7.2.310.0060.00916.57
7.2.300.0070.01416.15
7.2.290.0130.00316.32
7.2.60.0090.00616.55
7.2.00.0030.01018.97
7.1.200.0060.00615.48
7.1.100.0030.00717.86
7.1.70.0000.01616.85
7.1.60.0090.01620.03
7.1.50.0110.01416.96
7.1.00.0030.07722.48
7.0.200.0590.01014.97
7.0.60.0100.07320.02
7.0.50.0070.08017.70
7.0.40.0070.05020.05
7.0.30.0370.06020.06
7.0.20.0400.07020.09
7.0.10.0100.08320.18
7.0.00.0070.08720.06
5.6.280.0070.04721.02
5.6.210.0030.07720.70
5.6.200.0100.08018.29
5.6.190.0100.04720.57
5.6.180.0170.05320.39
5.6.170.0200.03720.44
5.6.160.0200.05720.46
5.6.150.0100.07318.10
5.6.140.0000.04018.17
5.6.130.0070.04018.22
5.6.120.0100.08321.02
5.6.110.0170.08021.14
5.6.100.0130.07321.13
5.6.90.0130.04721.02
5.6.80.0200.07320.39
5.6.70.3330.03020.39
5.5.350.0270.08020.32
5.5.340.0030.05017.96
5.5.330.0030.04320.25
5.5.320.0270.08320.27
5.5.310.0330.08020.29
5.5.300.0070.07017.92
5.5.290.0000.05717.96
5.5.280.0100.03720.86
5.5.270.0100.08720.93
5.5.260.0070.08020.82
5.5.250.0170.07320.67
5.5.240.0100.04020.30
5.4.450.0770.05719.36
5.4.440.0670.06019.07
5.4.430.0800.04719.31
5.4.420.0630.06319.33
5.4.410.0570.05718.94
5.4.400.0670.04319.04
5.4.390.0730.04019.23
5.4.380.0670.06318.91
5.4.370.0630.05019.25
5.4.360.0570.05719.01
5.4.350.0730.05719.17
5.4.340.0670.06019.06
5.4.320.0730.05018.95
5.4.310.0800.04019.14
5.4.300.0600.05019.03
5.4.290.0670.04719.25
5.4.280.0570.05718.93
5.4.270.0630.04719.14
5.4.260.0530.05319.23
5.4.250.0700.05718.99
5.4.240.0630.05719.00
5.4.230.0800.04319.00
5.4.220.0570.06019.07
5.4.210.0770.04318.79
5.4.200.0830.03716.60
5.4.190.0770.05319.17
5.4.180.0770.04719.17
5.4.170.0630.06018.77
5.4.160.0770.04719.09
5.4.150.0770.04718.99
5.4.140.0770.04316.46
5.4.130.0700.05016.42
5.4.120.0700.05316.38
5.4.110.0630.05716.49
5.4.100.0730.04716.48
5.4.90.0600.05716.48
5.4.80.0700.04716.40
5.4.70.0530.05316.23
5.4.60.0830.05316.37
5.4.50.0670.05316.50
5.4.40.0930.06316.19
5.4.30.0700.05716.64
5.4.20.0670.06016.36
5.4.10.0670.05316.29
5.4.00.0700.04715.71
5.3.290.0700.05314.53
5.3.280.0700.05014.46
5.3.270.0670.05714.45
5.3.260.0700.05014.44
5.3.250.0730.04714.44
5.3.240.0630.05314.48
5.3.230.0870.05714.43
5.3.220.0770.04714.44
5.3.210.0530.06014.50
5.3.200.0130.05014.44
5.3.190.0170.06314.55
5.3.180.0370.04714.42
5.3.170.0700.04714.43
5.3.160.0370.05314.39
5.3.150.0200.04714.43
5.3.140.0170.05314.38
5.3.130.0270.05714.64
5.3.120.0200.06714.38
5.3.110.0330.05014.38
5.3.100.0100.05313.98
5.3.90.0130.05013.96
5.3.80.0170.05013.89
5.3.70.1200.05313.85
5.3.60.0770.05013.80
5.3.50.0770.04713.96
5.3.40.0630.05013.79
5.3.30.0700.04313.75
5.3.20.0630.05013.46
5.3.10.0900.05013.45
5.3.00.0770.06013.52
5.2.170.0730.04310.99
5.2.160.0530.04010.94
5.2.150.0470.04311.30
5.2.140.0630.04310.97
5.2.130.0530.05310.99
5.2.120.0430.03710.96
5.2.110.0330.04311.18
5.2.100.0370.04011.09
5.2.90.0400.04011.12
5.2.80.0570.03310.88
5.2.70.0430.04310.94
5.2.60.0100.04011.06
5.2.50.0130.03710.85
5.2.40.0130.04010.93
5.2.30.0070.04010.98
5.2.20.0270.04310.75
5.2.10.0030.04011.02
5.2.00.0070.04010.65
5.1.60.0100.0309.93
5.1.50.0370.04010.00
5.1.40.0330.0309.85
5.1.30.0230.04310.27
5.1.20.0300.03710.39
5.1.10.0670.04310.00
5.1.00.0330.03310.15
5.0.50.0130.0338.38
5.0.40.0200.0238.27
5.0.30.0200.0408.19
5.0.20.0130.0308.20
5.0.10.0200.0278.34
5.0.00.0230.0378.13
4.4.90.0130.0235.93
4.4.80.0130.0235.93
4.4.70.0130.0235.93
4.4.60.0170.0205.93
4.4.50.0200.0175.93
4.4.40.0200.0305.93
4.4.30.0130.0235.93
4.4.20.0170.0205.93
4.4.10.0130.0235.93
4.4.00.0130.0235.93
4.3.110.0070.0205.93
4.3.100.0030.0205.93
4.3.90.0370.0135.93
4.3.80.0000.0375.93
4.3.70.0070.0175.93
4.3.60.0170.0175.93
4.3.50.0070.0175.93
4.3.40.0030.0335.93
4.3.30.0000.0235.93
4.3.20.0070.0175.93
4.3.10.0100.0175.93
4.3.00.0000.0305.93

preferences:
103.86 ms | 401 KiB | 5 Q