3v4l.org

run code in 300+ PHP versions simultaneously
<?php $length = 10; $bytes = openssl_random_pseudo_bytes(1); $longs = unpack("S*", $bytes); var_dump($bytes); var_dump($longs); foreach ($longs as $long) { var_dump($long / 0xffff); }

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)
8.3.60.0100.01018.39
8.3.50.0130.00922.00
8.3.40.0100.01018.71
8.3.30.0140.00019.02
8.3.20.0040.00420.39
8.3.10.0080.00020.66
8.3.00.0040.00419.38
8.2.180.0110.00718.17
8.2.170.0070.01122.96
8.2.160.0100.00320.53
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0050.00222.11
8.2.110.0090.00019.29
8.2.100.0000.01118.03
8.2.90.0080.00019.09
8.2.80.0060.00317.97
8.2.70.0030.00617.38
8.2.60.0030.00518.04
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0060.00317.91
8.2.20.0040.00417.55
8.2.10.0020.00517.93
8.2.00.0050.00317.72
8.1.280.0170.00025.92
8.1.270.0060.00324.04
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0100.00019.01
8.1.230.0080.00419.21
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.35
8.1.180.0050.00518.10
8.1.170.0080.00018.43
8.1.160.0050.00222.00
8.1.150.0080.00018.82
8.1.140.0000.00717.32
8.1.130.0030.00317.84
8.1.120.0070.00017.43
8.1.110.0040.00417.43
8.1.100.0000.00817.30
8.1.90.0020.00517.29
8.1.80.0030.00317.30
8.1.70.0040.00417.32
8.1.60.0040.00417.48
8.1.50.0040.00417.51
8.1.40.0000.00717.50
8.1.30.0040.00417.53
8.1.20.0060.00317.54
8.1.10.0020.00517.47
8.1.00.0060.00617.48
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.30
8.0.270.0000.00717.20
8.0.260.0030.00317.16
8.0.250.0060.00016.87
8.0.240.0000.00717.00
8.0.230.0040.00416.95
8.0.220.0030.00316.94
8.0.210.0030.00316.92
8.0.200.0000.00616.99
8.0.190.0040.00416.89
8.0.180.0030.00616.90
8.0.170.0000.00816.93
8.0.160.0000.00716.85
8.0.150.0040.00416.73
8.0.140.0000.00716.82
8.0.130.0030.00313.28
8.0.120.0050.00316.74
8.0.110.0050.00216.87
8.0.100.0000.00716.82
8.0.90.0000.00717.00
8.0.80.0100.00716.78
8.0.70.0040.00416.88
8.0.60.0000.00716.88
8.0.50.0040.00417.00
8.0.30.0140.00417.06
8.0.20.0130.00717.40
8.0.10.0040.00417.05
8.0.00.0080.01216.81
7.4.330.0060.00015.11
7.4.320.0030.00316.45
7.4.300.0000.00616.40
7.4.290.0080.00016.51
7.4.280.0040.00416.39
7.4.270.0040.00416.53
7.4.260.0050.00216.48
7.4.250.0040.00416.53
7.4.240.0060.00216.48
7.4.230.0000.00716.39
7.4.220.0090.00916.47
7.4.210.0080.00816.54
7.4.200.0070.00016.70
7.4.160.0100.00716.57
7.4.150.0140.00317.40
7.4.140.0100.00717.86
7.4.130.0050.01116.56
7.4.120.0140.00916.43
7.4.110.0060.00916.58
7.4.100.0070.01016.61
7.4.90.0120.01116.66
7.4.80.0120.00619.39
7.4.70.0080.00816.57
7.4.60.0170.00016.53
7.4.50.0050.00016.57
7.4.40.0100.00716.55
7.4.30.0140.00816.39
7.4.00.0070.01114.95
7.3.330.0020.00213.24
7.3.320.0060.00013.20
7.3.310.0030.00316.31
7.3.300.0070.00016.30
7.3.290.0070.01116.27
7.3.280.0100.00616.23
7.3.270.0100.01017.40
7.3.260.0120.00416.40
7.3.250.0110.00516.47
7.3.240.0120.00916.37
7.3.230.0160.00616.39
7.3.210.0100.00716.14
7.3.200.0060.01619.39
7.3.190.0100.00716.34
7.3.180.0080.00816.30
7.3.170.0040.01316.52
7.3.160.0130.00716.21
7.3.120.0030.01414.68
7.3.110.0030.01514.83
7.3.100.0090.00014.81
7.3.90.0040.01514.71
7.3.80.0060.00614.94
7.3.70.0140.00014.87
7.3.60.0040.00814.79
7.3.50.0110.00414.83
7.3.40.0000.01314.75
7.3.30.0060.00814.82
7.3.20.0040.01216.43
7.3.10.0070.00716.51
7.3.00.0100.00616.36
7.2.330.0060.00916.40
7.2.320.0100.00716.45
7.2.310.0060.01216.25
7.2.300.0100.01016.53
7.2.290.0100.01016.43
7.2.250.0030.01714.96
7.2.240.0000.02114.91
7.2.230.0030.01414.91
7.2.220.0030.01514.86
7.2.210.0060.01314.70
7.2.200.0070.00714.75
7.2.190.0070.00414.82
7.2.180.0000.01514.89
7.2.170.0060.00914.76
7.2.00.0060.00619.32
7.1.330.0060.00615.73
7.1.320.0040.00415.64
7.1.310.0070.00715.54
7.1.300.0110.00015.55
7.1.290.0070.00715.46
7.1.280.0060.00615.68
7.1.270.0040.00415.49
7.1.260.0090.00615.64
7.1.70.0070.00317.08
7.1.60.0070.01419.32
7.1.50.0000.01417.05
7.1.00.0000.08022.41
7.0.200.0060.00316.88
7.0.140.0070.07022.12
7.0.60.0030.09020.00
7.0.50.0030.08717.95
7.0.40.0170.07720.30
7.0.30.0200.04020.00
7.0.20.0270.06720.01
7.0.10.0030.05320.04
7.0.00.0100.07320.36
5.6.280.0000.07721.12
5.6.210.0170.06320.74
5.6.200.0100.06018.27
5.6.190.0200.04020.45
5.6.180.0330.08020.73
5.6.170.0330.05720.58
5.6.160.0100.07320.40
5.6.150.0130.03018.22
5.6.140.0030.07718.18
5.6.130.0070.04018.17
5.6.120.0030.04720.95
5.6.110.0130.08721.14
5.6.100.0100.07721.01
5.6.90.0130.07720.99
5.6.80.0030.06020.40
5.5.350.0230.07020.48
5.5.340.0100.07018.00
5.5.330.0030.05320.19
5.5.320.0300.08020.34
5.5.310.0370.07020.18
5.5.300.0030.06318.08
5.5.290.0100.05017.99
5.5.280.0100.07320.83
5.5.270.0030.09020.88
5.5.260.0070.08020.93
5.5.250.0200.07320.61
5.5.240.0170.08020.33
5.4.450.0870.05319.28
5.4.440.0770.05319.57
5.4.430.0730.05719.58
5.4.420.0670.00019.50
5.4.410.0600.00019.54
5.4.400.0630.00019.06
5.4.390.0630.00019.19
5.4.380.0630.00019.18
5.4.370.0630.00019.21
5.4.360.0630.00019.21
5.4.350.0670.00019.03
5.4.340.0630.00019.10
5.4.320.0060.03512.46
5.4.310.0070.03512.45
5.4.300.0070.03512.45
5.4.290.0050.03912.45
5.4.280.0050.03612.35
5.4.270.0070.03412.35
5.4.260.0050.03712.35
5.4.250.0030.03912.35
5.4.240.0060.03412.35
5.4.230.0070.03512.34
5.4.220.0030.03712.34
5.4.210.0070.03312.34
5.4.200.0060.03712.34
5.4.190.0070.03512.34
5.4.180.0030.03812.34
5.4.170.0080.04412.35
5.4.160.0070.03412.34
5.4.150.0060.03612.34
5.4.140.0050.03712.02
5.4.130.0020.03812.01
5.4.120.0060.03311.97
5.4.110.0070.03311.97
5.4.100.0010.03811.97
5.4.90.0040.04411.97
5.4.80.0090.03711.96
5.4.70.0030.03711.96
5.4.60.0030.03711.96
5.4.50.0070.03611.96
5.4.40.0070.03711.95
5.4.30.0050.03811.95
5.4.20.0050.03511.95
5.4.10.0090.03811.95
5.4.00.0050.03611.44
5.3.290.0060.04012.80
5.3.280.0030.03912.71
5.3.270.0100.04112.72
5.3.260.0070.03912.71
5.3.250.0050.03712.72
5.3.240.0070.03512.71
5.3.230.0100.03312.71
5.3.220.0080.03512.68
5.3.210.0060.04012.68
5.3.200.0050.03712.68
5.3.190.0070.04212.68
5.3.180.0040.03812.68
5.3.170.0050.03712.67
5.3.160.0070.03512.67
5.3.150.0050.03712.68
5.3.140.0070.03412.66
5.3.130.0070.03912.66
5.3.120.0060.03712.66
5.3.110.0090.03712.66
5.3.100.0060.04112.12
5.3.90.0060.04012.09
5.3.80.0080.03712.07
5.3.70.0040.03812.07
5.3.60.0020.04112.07
5.3.50.0070.03612.00
5.3.40.0080.03812.00
5.3.30.0070.03311.95
5.3.20.0060.03611.73
5.3.10.0080.03411.70
5.3.00.0070.03811.68
5.2.170.0050.0319.18
5.2.160.0060.0309.18
5.2.150.0060.0289.18
5.2.140.0040.0389.18
5.2.130.0030.0319.13
5.2.120.0040.0299.14
5.2.110.0020.0329.14
5.2.100.0070.0269.14
5.2.90.0120.0219.15
5.2.80.0080.0329.14
5.2.70.0060.0349.13
5.2.60.0070.0389.09
5.2.50.0040.0339.06
5.2.40.0040.0299.04
5.2.30.0030.0329.02
5.2.20.0070.0329.00
5.2.10.0040.0288.92
5.2.00.0060.0308.78
5.1.60.0030.0258.07
5.1.50.0040.0248.06
5.1.40.0020.0288.05
5.1.30.0030.0278.39
5.1.20.0070.0248.41
5.1.10.0040.0368.14
5.1.00.0050.0268.14
5.0.50.0040.0236.62
5.0.40.0060.0166.47
5.0.30.0060.0286.29
5.0.20.0060.0176.27
5.0.10.0060.0176.24
5.0.00.0030.0306.23
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0020.0164.76
4.4.50.0010.0174.77
4.4.40.0040.0244.71
4.4.30.0060.0124.76
4.4.20.0040.0144.84
4.4.10.0020.0154.85
4.4.00.0060.0214.76
4.3.110.0030.0154.67
4.3.100.0040.0134.66
4.3.90.0020.0164.63
4.3.80.0000.0264.58
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0040.0214.63
4.3.40.0020.0244.54
4.3.30.0010.0163.29
4.3.20.0000.0223.26
4.3.10.0070.0143.21
4.3.00.0130.01713.28

preferences:
37.46 ms | 401 KiB | 5 Q