3v4l.org

run code in 300+ PHP versions simultaneously
<?php function userland_func_get_arg($idx) { return isset(debug_backtrace()[1]['args'][$idx]) ? debug_backtrace()[1]['args'][$idx] : false; } function foo() { return func_get_arg(0); } function bar() { return userland_func_get_arg(0); } var_dump(foo('foo', 'bar')); var_dump(bar('foo', 'bar'));

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)
8.3.60.0080.00818.43
8.3.50.0110.00822.10
8.3.40.0140.00718.67
8.3.30.0040.01118.95
8.3.20.0000.00720.13
8.3.10.0000.00920.34
8.3.00.0040.00419.25
8.2.180.0070.01025.92
8.2.170.0140.00418.91
8.2.160.0100.00322.25
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0030.00519.95
8.2.110.0090.00020.52
8.2.100.0080.00517.84
8.2.90.0000.00719.07
8.2.80.0060.00317.97
8.2.70.0100.00017.48
8.2.60.0000.00817.93
8.2.50.0100.00018.07
8.2.40.0080.00018.22
8.2.30.0090.00317.89
8.2.20.0030.00617.64
8.2.10.0030.00317.92
8.2.00.0020.00517.52
8.1.280.0100.01025.92
8.1.270.0080.00022.01
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00524.03
8.1.230.0030.00719.08
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0000.00817.25
8.1.180.0040.00418.10
8.1.170.0040.00418.27
8.1.160.0040.00421.97
8.1.150.0020.00518.75
8.1.140.0030.00517.40
8.1.130.0030.00317.84
8.1.120.0000.00717.42
8.1.110.0080.00017.24
8.1.100.0000.00717.35
8.1.90.0050.00217.31
8.1.80.0030.00517.33
8.1.70.0070.00017.32
8.1.60.0040.00417.54
8.1.50.0040.00417.47
8.1.40.0030.00617.41
8.1.30.0030.00617.67
8.1.20.0000.00717.52
8.1.10.0040.00417.53
8.1.00.0000.00817.36
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.40
8.0.270.0000.00717.14
8.0.260.0030.00317.07
8.0.250.0000.00716.81
8.0.240.0030.00316.71
8.0.230.0030.00316.75
8.0.220.0000.00616.77
8.0.210.0000.00816.68
8.0.200.0030.00316.86
8.0.190.0040.00716.84
8.0.180.0040.00416.81
8.0.170.0040.00416.81
8.0.160.0040.00416.72
8.0.150.0070.00016.67
8.0.140.0030.00316.76
8.0.130.0000.00613.22
8.0.120.0040.00416.68
8.0.110.0030.00316.61
8.0.100.0000.00816.69
8.0.90.0030.00516.70
8.0.80.0120.00316.67
8.0.70.0040.00416.77
8.0.60.0040.00416.73
8.0.50.0080.00016.82
8.0.30.0130.00617.14
8.0.20.0080.01817.40
8.0.10.0040.00416.93
8.0.00.0040.01216.84
7.4.330.0030.00315.02
7.4.320.0000.00616.53
7.4.300.0030.00316.37
7.4.290.0030.00316.55
7.4.280.0040.00416.40
7.4.270.0040.00416.48
7.4.260.0000.00816.43
7.4.250.0030.00316.41
7.4.240.0040.00316.52
7.4.230.0000.00716.65
7.4.220.0060.01216.46
7.4.210.0140.00016.58
7.4.200.0030.00316.46
7.4.160.0080.00816.68
7.4.150.0070.01117.40
7.4.140.0110.00817.86
7.4.130.0090.01116.44
7.4.120.0100.01116.48
7.4.110.0030.01316.34
7.4.100.0140.00416.64
7.4.90.0120.00616.61
7.4.80.0090.00919.37
7.4.70.0110.00716.26
7.4.60.0090.00916.40
7.4.50.0040.00416.36
7.4.40.0100.00716.31
7.4.30.0090.00916.47
7.4.00.0100.00714.57
7.3.330.0000.00513.37
7.3.320.0050.00013.36
7.3.310.0030.00516.41
7.3.300.0030.00316.34
7.3.290.0100.00716.39
7.3.280.0080.00816.34
7.3.270.0120.00617.40
7.3.260.0120.00916.39
7.3.250.0080.01016.29
7.3.240.0090.00916.50
7.3.230.0130.00316.39
7.3.210.0090.01216.16
7.3.200.0080.00819.39
7.3.190.0070.01116.57
7.3.180.0190.00016.56
7.3.170.0130.01116.36
7.3.160.0070.01016.22
7.2.330.0090.00916.71
7.2.320.0080.00816.63
7.2.310.0120.00816.75
7.2.300.0140.00616.38
7.2.290.0110.00616.83
7.2.60.0000.00916.88
7.1.200.0060.00315.55
7.1.70.0030.00617.22
7.1.60.0130.00619.32
7.1.50.0100.01317.05
7.1.00.0100.07022.33
7.0.200.0060.00316.45
7.0.140.0030.07321.99
7.0.60.0070.08719.90
7.0.50.0130.04317.96
7.0.40.0170.06720.09
7.0.30.0530.05020.09
7.0.20.0170.04020.18
7.0.10.0000.04720.20
7.0.00.0000.08020.22
5.6.280.0030.07320.96
5.6.210.0100.07020.54
5.6.200.0030.04018.22
5.6.190.0100.07720.60
5.6.180.0270.04320.50
5.6.170.0300.04720.48
5.6.160.0030.08320.39
5.6.150.0070.04318.18
5.6.140.0100.08018.15
5.6.130.0130.06318.21
5.6.120.0070.03721.02
5.6.110.0130.07320.90
5.6.100.0100.08020.99
5.6.90.0170.07721.13
5.6.80.0130.05720.39
5.5.350.0130.09020.42
5.5.340.0100.08317.95
5.5.330.0030.04320.41
5.5.320.0200.04320.36
5.5.310.0200.04020.41
5.5.300.0170.02717.94
5.5.290.0130.07017.97
5.5.280.0170.06320.86
5.5.270.0030.07320.96
5.5.260.0100.06020.77
5.5.250.0030.07320.62
5.5.240.0430.04720.19
5.4.450.0170.03319.57
5.4.440.0900.06319.61
5.4.430.0230.04719.66
5.4.420.0670.00019.46
5.4.410.0630.00019.10
5.4.400.0630.00019.14
5.4.390.0630.00019.06
5.4.380.0630.00019.10
5.4.370.0630.00019.02
5.4.360.0830.00019.21
5.4.350.0830.00019.13
5.4.340.0730.00019.02
5.4.320.0080.03412.50
5.4.310.0100.03512.50
5.4.300.0080.03612.50
5.4.290.0050.03912.50
5.4.280.0070.03412.41
5.4.270.0070.04012.40
5.4.260.0070.03712.40
5.4.250.0090.04512.40
5.4.240.0070.04612.40
5.4.230.0060.03912.39
5.4.220.0070.04412.39
5.4.210.0040.04012.39
5.4.200.0070.03612.39
5.4.190.0090.03212.39
5.4.180.0050.03612.39
5.4.170.0050.04512.39
5.4.160.0070.04512.39
5.4.150.0120.03012.39
5.4.140.0050.03812.07
5.4.130.0040.04712.06
5.4.120.0050.03612.02
5.4.110.0080.03312.02
5.4.100.0070.04012.02
5.4.90.0060.03712.02
5.4.80.0080.04012.02
5.4.70.0070.03312.02
5.4.60.0050.03912.02
5.4.50.0070.03612.01
5.4.40.0080.04312.00
5.4.30.0060.03412.00
5.4.20.0040.03712.00
5.4.10.0070.03912.00
5.4.00.0070.03411.48
5.3.290.0070.04712.80
5.3.280.0070.04512.71
5.3.270.0100.04012.72
5.3.260.0060.04012.72
5.3.250.0100.03312.72
5.3.240.0090.03312.72
5.3.230.0070.03612.71
5.3.220.0090.04412.68
5.3.210.0120.05412.68
5.3.200.0100.03112.68
5.3.190.0050.03712.68
5.3.180.0070.04712.67
5.3.170.0050.03812.67
5.3.160.0100.03112.67
5.3.150.0130.04112.67
5.3.140.0030.03912.66
5.3.130.0090.05012.65
5.3.120.0120.03212.65
5.3.110.0050.03912.66
5.3.100.0060.03512.13
5.3.90.0050.03612.10
5.3.80.0090.03212.09
5.3.70.0080.04912.09
5.3.60.0050.03612.08
5.3.50.0060.03612.02
5.3.40.0060.03612.02
5.3.30.0050.03611.98
5.3.20.0030.03811.76
5.3.10.0080.03211.73
5.3.00.0040.04011.71
5.2.170.0070.0289.21
5.2.160.0080.0259.21
5.2.150.0060.0299.21
5.2.140.0060.0289.21
5.2.130.0070.0269.17
5.2.120.0100.0219.17
5.2.110.0040.0419.18
5.2.100.0040.0289.17
5.2.90.0060.0349.17
5.2.80.0070.0289.17
5.2.70.0050.0299.17
5.2.60.0080.0279.12
5.2.50.0030.0319.09
5.2.40.0030.0309.07
5.2.30.0050.0349.04
5.2.20.0070.0269.04
5.2.10.0020.0308.94
5.2.00.0090.0248.80
5.1.60.0060.0228.09
5.1.50.0050.0278.09
5.1.40.0050.0248.06
5.1.30.0070.0268.42
5.1.20.0070.0368.43
5.1.10.0030.0278.16
5.1.00.0040.0258.16
5.0.50.0010.0236.64
5.0.40.0040.0186.49
5.0.30.0020.0326.30
5.0.20.0030.0256.29
5.0.10.0030.0306.25
5.0.00.0080.0356.25
4.4.90.0030.0174.78
4.4.80.0030.0164.75
4.4.70.0080.0154.75
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0040.0264.71
4.4.30.0050.0144.76
4.4.20.0040.0144.84
4.4.10.0030.0174.85
4.4.00.0020.0324.76
4.3.110.0020.0164.67
4.3.100.0030.0154.66
4.3.90.0020.0154.64
4.3.80.0050.0224.59
4.3.70.0060.0174.63
4.3.60.0030.0204.63
4.3.50.0040.0204.63
4.3.40.0060.0284.54
4.3.30.0040.0193.30
4.3.20.0030.0163.29
4.3.10.0020.0153.24
4.3.00.0070.0134.36

preferences:
53.65 ms | 401 KiB | 5 Q