3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo bin2hex(mcrypt_create_iv(22, 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)
8.3.60.0180.00418.56
8.3.50.0150.00721.11
8.3.40.0070.00718.79
8.3.30.0180.00018.77
8.3.20.0000.00720.16
8.3.10.0080.00021.77
8.3.00.0030.00619.55
8.2.180.0130.00316.50
8.2.170.0140.00022.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0110.00724.66
8.2.130.0030.00626.16
8.2.120.0030.00617.47
8.2.110.0070.01021.04
8.2.100.0080.00417.75
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0070.00317.80
8.2.50.0050.00318.07
8.2.40.0000.00719.34
8.2.30.0040.00419.70
8.2.20.0060.00317.55
8.2.10.0040.00417.91
8.2.00.0040.00417.89
8.1.280.0070.00725.92
8.1.270.0060.01320.03
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00622.54
8.1.230.0060.00617.42
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.22
8.1.180.0070.00018.10
8.1.170.0050.00318.52
8.1.160.0040.00422.00
8.1.150.0070.00018.76
8.1.140.0040.00417.19
8.1.130.0030.00317.55
8.1.120.0040.00417.17
8.1.110.0060.00617.23
8.1.100.0000.00817.24
8.1.90.0000.00717.34
8.1.80.0040.00417.29
8.1.70.0030.00317.34
8.1.60.0080.00017.46
8.1.50.0040.00417.35
8.1.40.0050.00317.43
8.1.30.0000.00817.48
8.1.20.0060.00317.47
8.1.10.0030.00517.54
8.1.00.0070.00017.48
8.0.300.0030.00718.77
8.0.290.0040.00416.88
8.0.280.0030.00518.41
8.0.270.0030.00317.15
8.0.260.0060.00017.10
8.0.250.0000.00716.84
8.0.240.0030.00316.93
8.0.230.0040.00416.81
8.0.220.0000.00716.77
8.0.210.0040.00416.86
8.0.200.0040.00416.98
8.0.190.0040.00416.93
8.0.180.0040.00416.89
8.0.170.0000.00716.89
8.0.160.0030.00516.91
8.0.150.0040.00416.86
8.0.140.0070.00016.82
8.0.130.0000.00613.34
8.0.120.0000.00816.81
8.0.110.0080.00016.78
8.0.100.0050.00216.75
8.0.90.0000.00816.75
8.0.80.0090.00616.90
8.0.70.0040.00416.79
8.0.60.0000.00716.79
8.0.50.0040.00416.92
8.0.30.0100.00517.00
8.0.20.0100.00817.40
8.0.10.0000.00816.72
8.0.00.0090.01216.69
7.4.330.0030.00315.08
7.4.320.0060.00016.33
7.4.300.0000.00716.55
7.4.290.0000.00716.57
7.4.280.0040.00516.55
7.4.270.0000.00716.36
7.4.260.0040.00416.36
7.4.250.0060.00316.30
7.4.240.0000.00716.49
7.4.230.0070.00016.24
7.4.220.0100.00716.27
7.4.210.0110.00416.39
7.4.200.0040.00416.53
7.4.160.0090.00616.33
7.4.150.0150.00617.40
7.4.140.0070.01117.86
7.4.130.0150.00316.52
7.4.120.0090.01016.37
7.4.110.0110.00716.36
7.4.100.0100.01416.62
7.4.90.0060.01116.59
7.4.80.0080.00819.39
7.4.70.0140.00716.61
7.4.60.0150.00316.50
7.4.50.0050.00416.34
7.4.40.0120.00816.51
7.4.30.0060.01216.40
7.4.00.0100.00714.93
7.3.330.0050.00313.16
7.3.320.0030.00313.16
7.3.310.0030.00316.21
7.3.300.0000.00716.27
7.3.290.0110.00316.23
7.3.280.0100.00916.29
7.3.270.0160.00317.40
7.3.260.0070.01016.51
7.3.240.0110.00716.47
7.3.230.0100.00716.39
7.3.210.0140.00416.33
7.3.200.0090.00616.54
7.3.190.0120.00616.18
7.3.180.0000.01716.16
7.3.170.0120.00316.65
7.3.160.0120.00916.26
7.3.120.0110.00714.78
7.3.110.0130.00014.91
7.3.100.0090.00914.94
7.3.90.0000.01614.49
7.3.80.0030.01214.64
7.3.70.0000.01414.81
7.3.60.0030.01014.82
7.3.50.0000.01114.59
7.3.40.0120.00314.73
7.3.30.0090.00914.63
7.3.20.0000.01616.54
7.3.10.0070.00716.57
7.3.00.0060.00616.58
7.2.330.0070.01116.19
7.2.320.0060.01316.49
7.2.310.0030.01516.23
7.2.300.0100.00716.50
7.2.290.0060.01016.47
7.2.250.0100.00714.83
7.2.240.0130.00315.03
7.2.230.0070.00314.98
7.2.220.0040.01414.99
7.2.210.0100.00714.90
7.2.200.0060.00915.00
7.2.190.0100.00714.71
7.2.180.0120.00314.89
7.2.170.0000.01515.02
7.2.60.0070.00716.73
7.2.00.0030.00819.22
7.1.330.0070.00715.82
7.1.320.0040.00715.79
7.1.310.0030.00915.67
7.1.300.0070.00715.63
7.1.290.0090.00315.68
7.1.280.0000.01415.74
7.1.270.0040.01215.52
7.1.260.0090.00315.47
7.1.200.0100.00315.51
7.1.100.0030.00917.84
7.1.70.0040.00417.00
7.1.60.0100.01419.17
7.1.50.0160.00616.96
7.1.00.0030.07722.33
7.0.200.0050.00216.68
7.0.60.0100.08020.00
7.0.50.0030.06017.66
7.0.40.0100.04319.90
7.0.30.0300.05720.20
7.0.20.0170.04720.18
7.0.10.0100.08319.99
7.0.00.0070.05020.16
5.6.280.0070.05320.98
5.6.210.0170.08020.56
5.6.200.0000.05318.16
5.6.190.0070.04020.56
5.6.180.0330.07320.54
5.6.170.0270.08020.38
5.6.160.0200.07720.32
5.6.150.0030.05718.21
5.6.140.0070.03718.15
5.6.130.0070.04018.18
5.6.120.0170.04020.97
5.6.110.0000.04320.96
5.6.100.0070.08321.00
5.6.90.0070.07021.09
5.6.80.0030.05020.34
5.6.70.0230.07320.35
5.5.350.0270.07720.40
5.5.340.0030.08717.98
5.5.330.0070.04320.29
5.5.320.0070.08020.29
5.5.310.0300.08020.23
5.5.300.0070.05017.98
5.5.290.0100.08317.91
5.5.280.0000.04720.97
5.5.270.0030.05320.86
5.5.260.0070.08320.86
5.5.250.0030.04320.58
5.5.240.0200.07720.18
5.4.450.0900.07019.43
5.4.440.1100.05019.64
5.4.430.1030.05319.43
5.4.420.0770.07019.55
5.4.410.0800.07019.41
5.4.400.1000.06319.03
5.4.390.1070.05719.10
5.4.380.0930.05719.18
5.4.370.0970.05719.18
5.4.360.0930.05719.25
5.4.350.0970.05719.10
5.4.340.0930.05018.88
5.4.320.0930.07319.08
5.4.310.0800.05019.28
5.4.300.0900.04319.20
5.4.290.1170.07719.30
5.4.280.0830.05318.86
5.4.270.1130.06019.02
5.4.260.0830.06719.25
5.4.250.0930.06019.14
5.4.240.0900.05319.24
5.4.230.0930.05719.26
5.4.220.1000.06019.15
5.4.210.0830.05718.98
5.4.200.1030.04319.15
5.4.190.1030.05019.20
5.4.180.0670.05718.97
5.4.170.0700.05719.06
5.4.160.0930.04719.25
5.4.150.0930.07319.08
5.4.140.0870.04016.39
5.4.130.0730.05316.34
5.4.120.0730.04716.22
5.4.110.0970.04716.51
5.4.100.0800.05016.38
5.4.90.0970.06016.44
5.4.80.0970.04716.56
5.4.70.0330.06016.13
5.4.60.0330.03716.32
5.4.50.0070.04716.19
5.4.40.0030.07016.20
5.4.30.0200.05316.36
5.4.20.0000.04016.48

preferences:
56.42 ms | 401 KiB | 5 Q