3v4l.org

run code in 300+ PHP versions simultaneously
<?php function g($x=0){return$x?:function($y)use($x){return$x.g($y);};} echo g('al') , PHP_EOL; echo g()('al') , PHP_EOL; echo g()()('al') , PHP_EOL; echo g()()()('al') , PHP_EOL;

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)
8.3.60.0130.00718.39
8.3.50.0120.01022.82
8.3.40.0130.00318.88
8.3.30.0060.00919.13
8.3.20.0070.00020.00
8.3.10.0020.00523.66
8.3.00.0080.00017.50
8.2.180.0090.00616.50
8.2.170.0040.01122.96
8.2.160.0140.00320.52
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.01026.16
8.2.120.0000.00821.09
8.2.110.0030.00720.39
8.2.100.0120.00017.84
8.2.90.0080.00019.21
8.2.80.0050.00517.97
8.2.70.0040.00417.63
8.2.60.0000.00817.80
8.2.50.0030.00618.07
8.2.40.0040.00419.88
8.2.30.0050.00617.97
8.2.20.0000.00717.75
8.2.10.0020.00517.96
8.2.00.0090.00017.74
8.1.280.0100.00725.92
8.1.270.0050.00323.91
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0120.00022.06
8.1.230.0000.01217.52
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0030.00617.36
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0040.00321.90
8.1.150.0070.00018.72
8.1.140.0040.00417.45
8.1.130.0030.00317.77
8.1.120.0030.00317.40
8.1.110.0050.00317.34
8.1.100.0000.00717.41
8.1.90.0000.00817.35
8.1.80.0000.00717.40
8.1.70.0030.00317.34
8.1.60.0000.00817.57
8.1.50.0040.00417.42
8.1.40.0000.00817.45
8.1.30.0040.00417.49
8.1.20.0070.00017.45
8.1.10.0090.00017.50
8.1.00.0000.00817.43
8.0.300.0000.00718.77
8.0.290.0030.00616.88
8.0.280.0070.00018.43
8.0.270.0050.00217.25
8.0.260.0000.00717.16
8.0.250.0030.00317.07
8.0.240.0040.00416.87
8.0.230.0000.00717.00
8.0.220.0050.00216.94
8.0.210.0030.00616.87
8.0.200.0030.00316.94
8.0.190.0000.00817.02
8.0.180.0000.00716.89
8.0.170.0040.00416.99
8.0.160.0000.00716.96
8.0.150.0030.00316.89
8.0.140.0100.00016.81
8.0.130.0000.00513.33
8.0.120.0030.00616.79
8.0.110.0040.00416.86
8.0.100.0080.00016.89
8.0.90.0000.00716.81
8.0.80.0100.01016.80
8.0.70.0030.00516.98
8.0.60.0000.00816.89
8.0.50.0000.00716.82
8.0.30.0130.00617.03
8.0.20.0110.01117.40
8.0.10.0020.00517.02
8.0.00.0120.00616.83
7.4.330.0000.00515.00
7.4.320.0000.00716.39
7.4.300.0040.00416.54
7.4.290.0000.00716.49
7.4.280.0000.00916.59
7.4.270.0080.00016.35
7.4.260.0070.00016.60
7.4.250.0000.00816.54
7.4.240.0050.00216.43
7.4.230.0000.00716.69
7.4.220.0120.00616.56
7.4.210.0090.01016.63
7.4.200.0000.00716.29
7.4.160.0030.01316.34
7.4.150.0060.01217.40
7.4.140.0090.00917.86
7.4.130.0130.00416.55
7.4.120.0090.01116.57
7.4.110.0110.00616.62
7.4.100.0060.01616.64
7.4.90.0110.00716.39
7.4.80.0180.00019.39
7.4.70.0090.00916.43
7.4.60.0110.00716.39
7.4.50.0000.00916.43
7.4.40.0080.00816.41
7.4.30.0110.00616.50
7.4.00.0070.01015.18
7.3.330.0060.00013.42
7.3.320.0070.00013.19
7.3.310.0030.00316.39
7.3.300.0000.00716.39
7.3.290.0070.00716.37
7.3.280.0050.01116.43
7.3.270.0070.01117.40
7.3.260.0140.00316.34
7.3.250.0090.01116.43
7.3.240.0090.00916.36
7.3.230.0130.00316.39
7.3.210.0060.01216.36
7.3.200.0150.00719.39
7.3.190.0080.00816.38
7.3.180.0030.01316.59
7.3.170.0040.01216.43
7.3.160.0090.00616.35
7.2.330.0110.00616.53
7.2.320.0090.00916.72
7.2.310.0100.00716.57
7.2.300.0120.00916.67
7.2.290.0180.00416.50
7.2.60.0210.00016.82
7.2.50.0090.00316.63
7.2.00.0000.01219.43
7.1.200.0060.00915.89
7.1.70.0000.01017.22
7.1.60.0040.01219.40
7.1.50.0000.01316.93
7.1.00.0030.07722.31
7.0.200.0230.00714.73
7.0.140.0000.06721.95
7.0.60.0130.05019.77
7.0.50.0070.04717.82
7.0.40.0070.08320.24
7.0.30.0330.06720.07
7.0.20.0270.05020.15
7.0.10.0100.06020.08
7.0.00.0070.08720.07
5.6.280.0000.07720.92
5.6.210.0030.08320.46
5.6.200.0130.08018.16
5.6.190.0100.08320.46
5.6.180.0300.07320.46
5.6.170.0230.07720.44
5.6.160.0130.03720.71
5.6.150.0070.08318.22
5.6.140.0000.04318.16
5.6.130.0130.04318.15
5.6.120.0170.07721.11
5.6.110.0100.06720.96
5.6.100.0070.04020.90
5.6.90.0030.04721.04
5.6.80.0100.03320.38
5.5.350.0070.06020.42
5.5.340.0030.07017.95
5.5.330.0170.07320.27
5.5.320.3900.04020.24
5.5.310.0300.08020.27
5.5.300.0100.07717.97
5.5.290.0000.08717.99
5.5.280.0130.07320.78
5.5.270.0200.07320.86
5.5.260.0030.08320.68
5.5.250.0030.07320.71
5.5.240.0070.07720.20
5.4.450.0530.04019.28
5.4.440.0170.05019.40
5.4.430.0200.05319.55
5.4.420.0500.04719.48
5.4.410.0300.04019.29
5.4.400.0400.04319.09
5.4.390.0130.04718.92
5.4.380.0200.07318.59
5.4.370.0230.04018.65
5.4.360.0100.05318.75
5.4.350.0200.05018.74
5.4.340.0270.05318.75
5.4.320.0070.03412.52
5.4.310.0050.03912.52
5.4.300.0090.03312.53
5.4.290.0070.03612.52
5.4.280.0060.04212.41
5.4.270.0050.03712.42
5.4.260.0080.04012.42
5.4.250.0110.04512.42
5.4.240.0110.03012.42
5.4.230.0070.04212.41
5.4.220.0080.04412.41
5.4.210.0060.03512.41
5.4.200.0060.03612.41
5.4.190.0080.04412.40
5.4.180.0040.03712.41
5.4.170.0050.04412.41
5.4.160.0090.04312.41
5.4.150.0040.03612.40
5.4.140.0080.03312.09
5.4.130.0070.03312.07
5.4.120.0080.03512.04
5.4.110.0080.03312.03
5.4.100.0050.03512.04
5.4.90.0050.03712.04
5.4.80.0050.03812.03
5.4.70.0050.03512.03
5.4.60.0040.03712.03
5.4.50.0020.03812.03
5.4.40.0030.03612.02
5.4.30.0040.03612.02
5.4.20.0060.03412.01
5.4.10.0050.03512.02
5.4.00.0040.03711.51
5.3.290.0060.03812.80
5.3.280.0050.03712.71
5.3.270.0040.04012.72
5.3.260.0050.04012.72
5.3.250.0020.04112.72
5.3.240.0070.04212.72
5.3.230.0070.03612.71
5.3.220.0090.03512.68
5.3.210.0060.03912.68
5.3.200.0050.03812.68
5.3.190.0060.03712.67
5.3.180.0060.03812.67
5.3.170.0060.03612.67
5.3.160.0110.03112.67
5.3.150.0030.03912.68
5.3.140.0060.03512.66
5.3.130.0040.03912.65
5.3.120.0070.03612.66
5.3.110.0020.04212.66
5.3.100.0050.03712.13
5.3.90.0050.03612.11
5.3.80.0040.03712.11
5.3.70.0080.03312.10
5.3.60.0080.03312.09
5.3.50.0080.04212.03
5.3.40.0050.04212.03
5.3.30.0050.03511.98
5.3.20.0110.03311.77
5.3.10.0070.05011.74
5.3.00.0070.04411.73
5.2.170.0030.0319.21
5.2.160.0040.0349.21
5.2.150.0030.0389.22
5.2.140.0040.0319.21
5.2.130.0020.0319.18
5.2.120.0040.0299.18
5.2.110.0050.0379.18
5.2.100.0070.0359.18
5.2.90.0050.0279.18
5.2.80.0060.0279.18
5.2.70.0020.0379.17
5.2.60.0070.0369.12
5.2.50.0090.0369.09
5.2.40.0040.0409.07
5.2.30.0040.0299.04
5.2.20.0090.0339.04
5.2.10.0040.0288.95
5.2.00.0060.0268.81
5.1.60.0030.0258.09
5.1.50.0030.0258.08
5.1.40.0050.0288.07
5.1.30.0020.0298.42
5.1.20.0040.0278.43
5.1.10.0020.0278.16
5.1.00.0050.0248.16
5.0.50.0050.0186.64
5.0.40.0050.0176.49
5.0.30.0030.0316.31
5.0.20.0040.0186.29
5.0.10.0020.0206.25
5.0.00.0040.0296.25
4.4.90.0030.0154.78
4.4.80.0040.0134.75
4.4.70.0030.0154.76
4.4.60.0010.0174.76
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0020.0154.76
4.4.20.0040.0144.85
4.4.10.0020.0174.85
4.4.00.0020.0254.76
4.3.110.0010.0174.67
4.3.100.0040.0144.66
4.3.90.0040.0144.63
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0020.0164.62
4.3.40.0020.0244.54
4.3.30.0030.0153.30
4.3.20.0020.0153.27
4.3.10.0020.0153.24
4.3.00.0030.01713.43

preferences:
43.94 ms | 401 KiB | 5 Q