3v4l.org

run code in 300+ PHP versions simultaneously
<?php function g($x=0){return$x?'g'.$x:function($y=0){return $y?g($y):'o';};} $x=g(); echo $x('al'); /* 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)
8.3.60.0070.01116.36
8.3.50.0100.00722.72
8.3.40.0070.00718.84
8.3.30.0120.00619.04
8.3.20.0000.00720.09
8.3.10.0040.00423.39
8.3.00.0030.00517.63
8.2.180.0120.00616.38
8.2.170.0140.00022.96
8.2.160.0140.00020.35
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.08
8.2.110.0090.00019.39
8.2.100.0080.00418.22
8.2.90.0040.00419.11
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0030.00617.93
8.2.50.0000.00818.07
8.2.40.0040.00418.09
8.2.30.0030.00718.07
8.2.20.0080.00017.67
8.2.10.0000.00818.07
8.2.00.0070.00017.74
8.1.280.0070.00725.92
8.1.270.0070.00023.83
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00022.80
8.1.230.0040.00820.31
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0050.00317.25
8.1.180.0050.00318.10
8.1.170.0030.00718.65
8.1.160.0000.00822.07
8.1.150.0000.00718.83
8.1.140.0040.00417.45
8.1.130.0030.00517.83
8.1.120.0030.00317.45
8.1.110.0040.00417.53
8.1.100.0030.00517.52
8.1.90.0060.00317.37
8.1.80.0040.00417.44
8.1.70.0040.00417.46
8.1.60.0040.00417.54
8.1.50.0000.00817.49
8.1.40.0040.00417.48
8.1.30.0040.00417.64
8.1.20.0040.00417.66
8.1.10.0000.00717.54
8.1.00.0040.00417.62
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0030.00318.35
8.0.270.0040.00417.26
8.0.260.0000.00617.15
8.0.250.0000.00716.95
8.0.240.0030.00616.95
8.0.230.0000.00716.82
8.0.220.0030.00316.92
8.0.210.0000.00716.89
8.0.200.0040.00416.80
8.0.190.0060.00317.00
8.0.180.0070.00016.82
8.0.170.0030.00516.95
8.0.160.0030.00316.97
8.0.150.0030.00316.86
8.0.140.0030.00616.86
8.0.130.0060.00013.28
8.0.120.0040.00416.87
8.0.110.0050.00216.87
8.0.100.0000.00716.78
8.0.90.0070.00016.91
8.0.80.0060.01016.84
8.0.70.0030.00516.76
8.0.60.0000.00816.84
8.0.50.0040.00416.88
8.0.30.0130.00617.10
8.0.20.0100.00817.40
8.0.10.0030.00516.84
8.0.00.0120.00616.90
7.4.330.0000.00515.09
7.4.320.0030.00316.41
7.4.300.0030.00316.52
7.4.290.0030.00316.65
7.4.280.0060.00616.57
7.4.270.0000.00716.61
7.4.260.0000.00716.60
7.4.250.0040.00416.56
7.4.240.0000.00716.61
7.4.230.0000.00716.63
7.4.220.0120.00616.66
7.4.210.0130.00616.62
7.4.200.0070.00016.47
7.4.160.0030.01316.45
7.4.150.0110.00717.40
7.4.140.0110.00717.86
7.4.130.0120.00516.50
7.4.120.0080.01216.55
7.4.110.0000.01616.47
7.4.100.0060.01016.32
7.4.90.0140.00716.52
7.4.80.0030.01419.39
7.4.70.0030.01716.39
7.4.60.0100.00716.42
7.4.50.0020.00216.54
7.4.40.0030.01316.42
7.4.30.0130.00316.38
7.4.00.0040.01114.72
7.3.330.0030.00313.26
7.3.320.0030.00313.15
7.3.310.0070.00016.08
7.3.300.0000.00716.16
7.3.290.0030.01516.38
7.3.280.0080.00816.32
7.3.270.0040.01417.40
7.3.260.0070.01016.61
7.3.250.0080.01116.50
7.3.240.0060.01216.47
7.3.230.0090.00616.43
7.3.210.0100.00616.43
7.3.200.0090.00919.39
7.3.190.0030.01416.46
7.3.180.0090.00616.34
7.3.170.0080.00816.27
7.3.160.0090.00616.42
7.2.330.0100.00916.76
7.2.320.0060.01216.57
7.2.310.0100.01016.50
7.2.300.0040.01216.73
7.2.290.0120.00316.41
7.2.60.0090.00616.75
7.2.00.0070.00319.57
7.1.200.0090.00615.52
7.1.100.0060.00618.29
7.1.70.0030.00317.26
7.1.60.0070.01419.40
7.1.50.0100.01317.05
7.1.00.0030.07722.54
7.0.200.0060.00914.96
7.0.140.0070.07021.93
7.0.60.0030.09019.91
7.0.50.0130.04717.86
7.0.40.0030.07020.02
7.0.30.0330.04720.25
7.0.20.0200.04320.25
7.0.10.0030.04320.07
7.0.00.0070.04320.14
5.6.280.0030.07320.96
5.6.210.0000.09020.53
5.6.200.0070.07718.18
5.6.190.0100.07320.52
5.6.180.0270.04020.61
5.6.170.0330.07020.47
5.6.160.0070.07720.52
5.6.150.0100.07718.23
5.6.140.0030.05318.18
5.6.130.0100.04018.14
5.6.120.0030.04721.03
5.6.110.0100.07721.15
5.6.100.0130.07720.99
5.6.90.0130.07321.11
5.6.80.0100.06020.39
5.5.350.0070.04720.39
5.5.340.0030.07018.10
5.5.330.0100.08020.28
5.5.320.0030.05020.20
5.5.310.0300.08320.20
5.5.300.0030.06317.97
5.5.290.0100.04017.98
5.5.280.0030.07020.88
5.5.270.0030.07320.76
5.5.260.0030.04320.80
5.5.250.0030.04020.69
5.5.240.3500.04020.29
5.4.450.0230.05019.17
5.4.440.0270.04719.30
5.4.430.0270.05019.48
5.4.420.0570.04019.38
5.4.410.0200.04019.19
5.4.400.0270.04319.09
5.4.390.0630.04319.07
5.4.380.0870.05718.73
5.4.370.0730.04718.73
5.4.360.0630.05318.63
5.4.350.0770.05718.68
5.4.340.0970.05318.65
5.4.320.0090.03212.51
5.4.310.0060.04512.50
5.4.300.0090.03512.51
5.4.290.0040.04912.51
5.4.280.0060.04012.40
5.4.270.0080.03412.40
5.4.260.0070.03612.40
5.4.250.0040.04512.40
5.4.240.0060.03512.40
5.4.230.0090.03412.39
5.4.220.0070.03412.39
5.4.210.0050.03612.39
5.4.200.0050.03812.39
5.4.190.0080.03412.39
5.4.180.0080.03412.39
5.4.170.0030.03912.39
5.4.160.0070.04112.40
5.4.150.0090.03212.39
5.4.140.0060.03812.07
5.4.130.0060.03512.06
5.4.120.0060.03512.02
5.4.110.0060.04512.02
5.4.100.0110.04412.02
5.4.90.0090.04012.02
5.4.80.0030.04012.02
5.4.70.0060.03412.01
5.4.60.0060.03412.01
5.4.50.0050.03612.01
5.4.40.0080.03212.00
5.4.30.0050.04912.00
5.4.20.0090.03512.00
5.4.10.0050.03512.00
5.4.00.0060.03611.49
5.3.290.0030.04212.80
5.3.280.0040.04012.70
5.3.270.0060.04012.72
5.3.260.0050.04012.72
5.3.250.0070.04512.71
5.3.240.0030.04112.72
5.3.230.0040.04012.71
5.3.220.0050.03812.68
5.3.210.0090.03712.68
5.3.200.0090.03312.68
5.3.190.0050.03812.68
5.3.180.0070.04312.68
5.3.170.0080.03412.67
5.3.160.0070.03512.68
5.3.150.0040.03912.68
5.3.140.0060.03912.66
5.3.130.0080.04112.66
5.3.120.0050.03912.65
5.3.110.0040.05412.66
5.3.100.0060.04012.13
5.3.90.0080.03312.12
5.3.80.0060.03612.10
5.3.70.0050.03612.10
5.3.60.0050.03612.08
5.3.50.0090.03812.02
5.3.40.0060.04112.02
5.3.30.0070.03411.98
5.3.20.0070.03311.76
5.3.10.0090.04011.73
5.3.00.0070.04011.72
5.2.170.0030.0319.22
5.2.160.0030.0349.22
5.2.150.0040.0339.21
5.2.140.0060.0299.21
5.2.130.0060.0279.17
5.2.120.0080.0389.18
5.2.110.0060.0389.18
5.2.100.0050.0409.18
5.2.90.0060.0349.19
5.2.80.0080.0319.18
5.2.70.0050.0309.18
5.2.60.0050.0329.13
5.2.50.0030.0329.09
5.2.40.0070.0269.07
5.2.30.0050.0299.05
5.2.20.0060.0279.04
5.2.10.0040.0288.95
5.2.00.0050.0288.80
5.1.60.0040.0238.09
5.1.50.0010.0278.08
5.1.40.0060.0288.07
5.1.30.0050.0258.43
5.1.20.0050.0308.43
5.1.10.0030.0298.16
5.1.00.0060.0248.16
5.0.50.0030.0216.64
5.0.40.0030.0206.50
5.0.30.0040.0316.31
5.0.20.0050.0176.29
5.0.10.0020.0216.25
5.0.00.0050.0346.25
4.4.90.0050.0134.78
4.4.80.0040.0144.75
4.4.70.0020.0164.75
4.4.60.0020.0154.75
4.4.50.0050.0134.77
4.4.40.0010.0274.71
4.4.30.0020.0164.76
4.4.20.0040.0164.84
4.4.10.0030.0224.85
4.4.00.0030.0264.76
4.3.110.0000.0184.67
4.3.100.0020.0154.67
4.3.90.0020.0154.63
4.3.80.0010.0264.58
4.3.70.0040.0164.63
4.3.60.0030.0144.63
4.3.50.0000.0184.63
4.3.40.0040.0224.54
4.3.30.0030.0153.30
4.3.20.0020.0163.28
4.3.10.0020.0163.24
4.3.00.0070.01313.43

preferences:
44.29 ms | 401 KiB | 5 Q