3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bin = openssl_random_pseudo_bytes(16); $hex = bin2hex($bin); echo $hex; ?>

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)
8.3.60.0080.00618.30
8.3.50.0100.01121.07
8.3.40.0120.00318.76
8.3.30.0100.00319.01
8.3.20.0040.00420.07
8.3.10.0080.00023.51
8.3.00.0050.00319.38
8.2.180.0070.01018.29
8.2.170.0060.00922.96
8.2.160.0100.00720.35
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0080.00021.93
8.2.110.0000.00920.39
8.2.100.0060.00618.09
8.2.90.0030.00619.04
8.2.80.0030.00517.97
8.2.70.0000.00917.50
8.2.60.0090.00017.80
8.2.50.0000.00918.07
8.2.40.0070.00018.16
8.2.30.0000.00717.98
8.2.20.0000.00717.71
8.2.10.0040.00417.95
8.2.00.0040.00417.67
8.1.280.0080.00625.92
8.1.270.0080.00024.01
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00323.98
8.1.230.0110.00019.16
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00717.10
8.1.190.0050.00317.00
8.1.180.0070.00018.10
8.1.170.0040.00418.53
8.1.160.0040.00421.98
8.1.150.0040.00418.81
8.1.140.0000.00717.28
8.1.130.0030.00317.70
8.1.120.0000.00717.16
8.1.110.0020.00517.21
8.1.100.0000.00717.38
8.1.90.0050.00217.34
8.1.80.0000.00717.32
8.1.70.0000.00717.27
8.1.60.0000.00817.46
8.1.50.0040.00417.30
8.1.40.0050.00317.49
8.1.30.0040.00417.44
8.1.20.0050.00317.46
8.1.10.0000.00717.37
8.1.00.0040.00417.46
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0000.00717.19
8.0.260.0000.00617.18
8.0.250.0070.00016.86
8.0.240.0000.00716.83
8.0.230.0000.00716.89
8.0.220.0040.00416.78
8.0.210.0030.00516.77
8.0.200.0000.00716.89
8.0.190.0050.00216.86
8.0.180.0040.00416.95
8.0.170.0000.00716.89
8.0.160.0030.00316.73
8.0.150.0040.00416.75
8.0.140.0070.00016.89
8.0.130.0030.00313.35
8.0.120.0070.00016.68
8.0.110.0050.00216.82
8.0.100.0070.00016.81
8.0.90.0040.00416.80
8.0.80.0060.01516.86
8.0.70.0000.00816.84
8.0.60.0050.00216.82
8.0.50.0000.00716.90
8.0.30.0130.00816.83
8.0.20.0150.00417.40
8.0.10.0070.00016.73
8.0.00.0070.01016.68
7.4.330.0030.00315.02
7.4.320.0060.00016.39
7.4.300.0030.00316.55
7.4.290.0040.00416.44
7.4.280.0000.00716.46
7.4.270.0030.00516.53
7.4.260.0070.00016.41
7.4.250.0050.00216.38
7.4.240.0000.00716.46
7.4.230.0000.00716.63
7.4.220.0120.01616.52
7.4.210.0100.01016.46
7.4.200.0000.00716.32
7.4.160.0100.00716.32
7.4.150.0140.01117.40
7.4.140.0190.00417.86
7.4.130.0080.00916.44
7.4.120.0090.00816.51
7.4.110.0120.00616.49
7.4.100.0100.00716.53
7.4.90.0040.01416.32
7.4.80.0040.01819.39
7.4.70.0090.01016.37
7.4.60.0100.00716.44
7.4.50.0040.00416.30
7.4.40.0030.01316.57
7.4.30.0090.00916.65
7.3.330.0000.00613.24
7.3.320.0050.00013.15
7.3.310.0030.00316.20
7.3.300.0030.00316.27
7.3.290.0050.00916.24
7.3.280.0100.00716.26
7.3.270.0060.01217.40
7.3.260.0100.00716.19
7.3.250.0110.00616.28
7.3.240.0080.00816.25
7.3.230.0160.00716.39
7.3.210.0060.01616.30
7.3.200.0090.01319.39
7.3.190.0040.01616.35
7.3.180.0120.00316.43
7.3.170.0090.01216.43
7.3.160.0120.00916.20
7.2.330.0130.00416.49
7.2.320.0110.00716.64
7.2.310.0000.01716.35
7.2.300.0100.00716.51
7.2.290.0080.00816.50
7.2.00.0030.01019.48
7.1.70.0030.01317.36
7.1.60.0110.01419.11
7.1.50.0090.01217.10
7.1.00.0070.07322.36
7.0.200.0000.00916.96
7.0.140.0030.07321.97
7.0.60.0000.04319.84
7.0.50.0170.04017.90
7.0.40.0170.06320.36
7.0.30.0370.04720.40
7.0.20.0230.08320.22
7.0.10.0070.08320.27
7.0.00.0200.07020.00
5.6.280.0070.07021.01
5.6.210.0100.05020.59
5.6.200.0170.07318.22
5.6.190.0100.05720.41
5.6.180.0300.06320.70
5.6.170.0270.03720.60
5.6.160.0030.08020.68
5.6.150.0070.05318.19
5.6.140.0100.07718.20
5.6.130.0030.05718.18
5.6.120.0100.07321.00
5.6.110.0100.08321.17
5.6.100.0100.06720.97
5.6.90.0030.08720.98
5.6.80.0130.07320.38
5.6.70.3930.03320.41
5.5.350.0170.06720.37
5.5.340.0030.05317.98
5.5.330.0170.07020.25
5.5.320.0200.05720.36
5.5.310.0200.04320.21
5.5.300.0100.04318.02
5.5.290.0100.07718.00
5.5.280.0100.05020.95
5.5.270.0070.03720.91
5.5.260.0100.06320.76
5.5.250.0070.08320.57
5.5.240.0300.07020.36
5.4.450.0800.06319.53
5.4.440.0730.06319.41
5.4.430.0730.06319.32
5.4.420.0630.00019.42
5.4.410.0630.00019.11
5.4.400.0630.00019.03
5.4.390.0600.00019.05
5.4.380.0670.00019.22
5.4.370.0630.00019.00
5.4.360.0700.00019.14
5.4.350.0670.00019.13
5.4.340.0080.03611.96
5.4.320.0070.04012.46
5.4.310.0060.03812.45
5.4.300.0050.04112.45
5.4.290.0060.04812.45
5.4.280.0060.04012.34
5.4.270.0090.03812.34
5.4.260.0040.04312.34
5.4.250.0100.03612.34
5.4.240.0060.04412.34
5.4.230.0080.04112.34
5.4.220.0070.03912.34
5.4.210.0040.04012.34
5.4.200.0100.03612.34
5.4.190.0060.03712.34
5.4.180.0050.03612.34
5.4.170.0070.03512.34
5.4.160.0110.03612.34
5.4.150.0090.03712.34
5.4.140.0090.03812.02
5.4.130.0090.03512.01
5.4.120.0070.03811.97
5.4.110.0080.04411.96
5.4.100.0040.03611.96
5.4.90.0050.04811.96
5.4.80.0050.03711.96
5.4.70.0070.04911.96
5.4.60.0080.03511.96
5.4.50.0070.03511.96
5.4.40.0040.04011.95
5.4.30.0070.03411.95
5.4.20.0090.03611.95
5.4.10.0060.03811.95
5.4.00.0050.03511.44
5.3.290.0070.03712.80
5.3.280.0060.03712.71
5.3.270.0030.04112.73
5.3.260.0030.04112.72
5.3.250.0060.03512.72
5.3.240.0050.03712.72
5.3.230.0060.03712.71
5.3.220.0080.03412.68
5.3.210.0050.03912.68
5.3.200.0110.03112.68
5.3.190.0030.03912.68
5.3.180.0010.04112.67
5.3.170.0040.03712.67
5.3.160.0070.03612.67
5.3.150.0050.03912.67
5.3.140.0080.03412.66
5.3.130.0050.03912.66
5.3.120.0070.03612.66
5.3.110.0070.03612.66
5.3.100.0070.03412.12
5.3.90.0060.04212.08
5.3.80.0080.03512.07
5.3.70.0060.04212.07
5.3.60.0050.03612.07
5.3.50.0070.03412.00
5.3.40.0060.03412.00
5.3.30.0070.03711.94
5.3.20.0050.03411.72
5.3.10.0050.03411.69
5.3.00.0050.03511.68
5.2.170.0040.0309.18
5.2.160.0060.0349.18
5.2.150.0090.0299.18
5.2.140.0050.0379.18
5.2.130.0060.0399.14
5.2.120.0060.0269.14
5.2.110.0030.0319.15
5.2.100.0020.0319.14
5.2.90.0050.0289.14
5.2.80.0050.0299.13
5.2.70.0060.0339.13
5.2.60.0060.0299.09
5.2.50.0030.0319.05
5.2.40.0050.0289.03
5.2.30.0040.0309.01
5.2.20.0040.0299.00
5.2.10.0070.0258.92
5.2.00.0020.0318.78
5.1.60.0060.0218.06
5.1.50.0030.0258.06
5.1.40.0060.0228.04
5.1.30.0060.0248.39
5.1.20.0060.0248.41
5.1.10.0050.0248.14
5.1.00.0050.0278.14
5.0.50.0010.0256.61
5.0.40.0060.0176.47
5.0.30.0030.0366.29
5.0.20.0030.0196.26
5.0.10.0050.0256.23
5.0.00.0040.0316.23
4.4.90.0040.0144.78
4.4.80.0010.0164.75
4.4.70.0030.0164.75
4.4.60.0050.0134.75
4.4.50.0050.0144.77
4.4.40.0050.0254.71
4.4.30.0060.0134.76
4.4.20.0040.0194.84
4.4.10.0010.0284.85
4.4.00.0040.0234.75
4.3.110.0020.0164.67
4.3.100.0040.0194.66
4.3.90.0020.0144.63
4.3.80.0040.0264.58
4.3.70.0020.0224.63
4.3.60.0050.0124.63
4.3.50.0000.0174.63
4.3.40.0050.0254.54
4.3.30.0030.0143.28
4.3.20.0010.0163.25
4.3.10.0040.0133.22
4.3.00.0170.0206.98

preferences:
47.39 ms | 401 KiB | 5 Q