3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $c = 0; public function A($c) { $this->init($c); } public function init($c) { print($this->c); print($c); } } class B extends A { public function init($c) { $c++; $this->c++; $_c = $this->c > 0 ? $c : -1; parent::init($_c); } } $b = new B(2);

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)
8.3.60.0140.00316.50
8.3.50.0070.01122.93
8.3.40.0110.00418.59
8.3.30.0090.00918.95
8.3.20.0040.00420.13
8.3.10.0040.00423.70
8.3.00.0040.00417.38
8.2.180.0070.00716.63
8.2.170.0110.00422.96
8.2.160.0130.00020.35
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0060.00926.16
8.2.120.0000.00721.15
8.2.110.0060.00322.08
8.2.100.0100.00017.66
8.2.90.0040.00418.07
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0030.00617.79
8.2.50.0090.00018.07
8.2.40.0090.00018.22
8.2.30.0040.00418.00
8.2.20.0000.00817.65
8.2.10.0070.00017.99
8.2.00.0020.00517.52
8.1.280.0140.00625.92
8.1.270.0070.00022.14
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00723.89
8.1.230.0100.00020.88
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0060.00318.65
8.1.160.0050.00221.95
8.1.150.0040.00418.70
8.1.140.0040.00417.43
8.1.130.0000.00717.89
8.1.120.0040.00417.29
8.1.110.0040.00417.39
8.1.100.0000.00717.33
8.1.90.0090.00017.37
8.1.80.0000.00717.43
8.1.70.0000.00717.27
8.1.60.0050.00317.34
8.1.50.0000.00917.48
8.1.40.0050.00317.52
8.1.30.0000.00817.51
8.1.20.0040.00417.49
8.1.10.0040.00417.49
8.1.00.0000.00817.45
8.0.300.0000.00720.01
8.0.290.0040.00416.58
8.0.280.0030.00318.37
8.0.270.0030.00317.10
8.0.260.0060.00017.11
8.0.250.0000.00816.88
8.0.240.0000.00616.93
8.0.230.0030.00316.91
8.0.220.0070.00016.84
8.0.210.0070.00016.85
8.0.200.0000.00716.91
8.0.190.0000.00816.75
8.0.180.0030.00616.81
8.0.170.0030.00616.87
8.0.160.0030.00516.80
8.0.150.0080.00016.71
8.0.140.0030.00316.77
8.0.130.0040.00213.23
8.0.120.0040.00416.81
8.0.110.0020.00516.84
8.0.100.0000.00716.89
8.0.90.0000.00716.84
8.0.80.0050.01116.84
8.0.70.0040.00416.77
8.0.60.0050.00216.68
8.0.50.0070.00016.79
8.0.30.0110.00617.15
8.0.20.0140.00717.40
8.0.10.0060.00316.91
8.0.00.0080.00916.63
7.4.330.0030.00315.00
7.4.320.0000.00616.38
7.4.300.0030.00316.61
7.4.290.0070.00016.55
7.4.280.0080.00016.61
7.4.270.0050.00316.50
7.4.260.0030.00316.50
7.4.250.0040.00416.47
7.4.240.0050.00216.59
7.4.230.0000.00716.34
7.4.220.0030.01816.59
7.4.210.0070.00816.56
7.4.200.0030.00316.38
7.4.160.0060.00916.44
7.4.150.0180.00617.40
7.4.140.0110.00617.86
7.4.130.0120.00916.53
7.4.120.0090.00816.54
7.4.110.0070.01416.45
7.4.100.0110.00716.52
7.4.90.0140.00316.72
7.4.80.0090.00919.39
7.4.70.0090.01316.47
7.4.60.0110.00716.64
7.4.50.0040.00016.22
7.4.40.0060.00916.67
7.4.30.0060.00916.71
7.4.00.0070.01114.74
7.3.330.0030.00313.38
7.3.320.0000.00613.16
7.3.310.0000.00716.17
7.3.300.0050.00216.35
7.3.290.0060.01116.35
7.3.280.0090.00616.32
7.3.270.0170.00617.40
7.3.260.0100.00716.30
7.3.240.0040.01216.52
7.3.230.0100.00616.39
7.3.210.0160.00016.62
7.3.200.0070.01019.39
7.3.190.0150.00716.43
7.3.180.0090.00616.52
7.3.170.0050.01216.60
7.3.160.0100.00616.37
7.2.330.0060.01216.59
7.2.320.0270.01916.77
7.2.310.0120.00616.56
7.2.300.0110.00716.80
7.2.290.0070.01016.51
7.2.60.0370.00313.85
7.1.200.0000.01115.83
7.1.70.0030.00617.08
7.1.60.0120.01219.40
7.1.50.0130.00917.04
7.1.00.0100.07022.42
7.0.200.0000.00716.46
7.0.140.0070.07022.09
7.0.60.0070.08319.79
7.0.50.0100.03717.75
7.0.40.0070.04020.02
7.0.30.0200.04320.23
7.0.20.0200.07020.23
7.0.10.0070.05020.15
7.0.00.0070.08020.05
5.6.280.0000.07720.82
5.6.210.0100.07020.68
5.6.200.0000.04318.13
5.6.190.0100.08020.50
5.6.180.0270.04320.55
5.6.170.0130.04720.57
5.6.160.0070.07720.58
5.6.150.0100.07718.18
5.6.140.0070.07318.17
5.6.130.0070.04018.11
5.6.120.0100.03321.05
5.6.110.0100.07020.96
5.6.100.0100.03321.09
5.6.90.0070.09021.14
5.6.80.0100.07720.41
5.5.350.0200.08020.45
5.5.340.0100.04017.96
5.5.330.0030.04320.18
5.5.320.0270.06720.35
5.5.310.0230.03320.35
5.5.300.0030.04018.08
5.5.290.0100.06717.98
5.5.280.0070.08320.90
5.5.270.0130.08020.84
5.5.260.0070.06720.87
5.5.250.0170.06720.64
5.5.240.0070.07020.27
5.4.450.0800.05319.69
5.4.440.0730.06019.43
5.4.430.0800.05719.59
5.4.420.0730.04319.39
5.4.410.0070.05718.99
5.4.400.0270.05718.87
5.4.390.0470.05718.59
5.4.380.0100.05018.79
5.4.370.0070.04018.52
5.4.360.0100.03718.57
5.4.350.0050.04112.02
5.4.340.0130.04312.02
5.4.320.0050.03712.50
5.4.310.0100.03312.50
5.4.300.0100.03612.50
5.4.290.0080.03512.50
5.4.280.0060.03412.40
5.4.270.0050.03612.40
5.4.260.0050.03712.40
5.4.250.0050.03812.40
5.4.240.0050.04512.39
5.4.230.0060.04112.39
5.4.220.0040.03812.39
5.4.210.0100.03112.39
5.4.200.0050.03712.39
5.4.190.0020.03812.38
5.4.180.0080.03212.38
5.4.170.0040.03712.39
5.4.160.0080.03612.39
5.4.150.0080.03412.39
5.4.140.0050.03712.08
5.4.130.0040.03712.06
5.4.120.0030.03712.02
5.4.110.0070.03412.02
5.4.100.0040.03712.02
5.4.90.0060.03712.01
5.4.80.0060.03812.02
5.4.70.0030.03712.02
5.4.60.0030.03712.01
5.4.50.0080.03212.01
5.4.40.0030.03712.00
5.4.30.0040.03612.00
5.4.20.0050.03511.99
5.4.10.0040.03612.00
5.4.00.0090.03711.49
5.3.290.0070.03912.80
5.3.280.0080.03412.71
5.3.270.0050.03812.73
5.3.260.0080.03512.72
5.3.250.0060.03612.72
5.3.240.0060.03712.71
5.3.230.0040.04012.71
5.3.220.0050.03712.68
5.3.210.0060.03812.68
5.3.200.0050.03612.68
5.3.190.0030.04012.68
5.3.180.0090.03412.68
5.3.170.0090.03212.67
5.3.160.0030.03912.67
5.3.150.0090.03412.67
5.3.140.0090.03312.66
5.3.130.0080.03612.66
5.3.120.0070.03612.66
5.3.110.0050.03812.66
5.3.100.0050.03712.13
5.3.90.0050.03612.11
5.3.80.0050.03712.10
5.3.70.0030.03912.10
5.3.60.0060.03512.08
5.3.50.0070.03412.02
5.3.40.0050.03612.02
5.3.30.0070.03411.98
5.3.20.0040.03611.77
5.3.10.0040.03611.73
5.3.00.0050.03611.72
5.2.170.0050.0349.23
5.2.160.0060.0279.23
5.2.150.0030.0319.23
5.2.140.0070.0279.22
5.2.130.0080.0259.19
5.2.120.0020.0319.18
5.2.110.0030.0309.19
5.2.100.0030.0299.19
5.2.90.0060.0279.18
5.2.80.0060.0289.18
5.2.70.0040.0309.18
5.2.60.0030.0319.14
5.2.50.0060.0279.10
5.2.40.0020.0319.08
5.2.30.0040.0299.06
5.2.20.0040.0289.04
5.2.10.0050.0278.95
5.2.00.0050.0288.82
5.1.60.0040.0258.10
5.1.50.0070.0308.09
5.1.40.0040.0238.07
5.1.30.0060.0238.42
5.1.20.0040.0268.44
5.1.10.0040.0268.17
5.1.00.0020.0278.17
5.0.50.0070.0176.65
5.0.40.0050.0176.51
5.0.30.0020.0326.32
5.0.20.0020.0206.28
5.0.10.0030.0206.27
5.0.00.0030.0316.25
4.4.90.0020.0154.78
4.4.80.0010.0174.75
4.4.70.0030.0214.75
4.4.60.0050.0134.75
4.4.50.0020.0154.77
4.4.40.0010.0274.71
4.4.30.0020.0194.76
4.4.20.0010.0214.85
4.4.10.0040.0134.85
4.4.00.0030.0234.76
4.3.110.0030.0154.67
4.3.100.0000.0174.67
4.3.90.0040.0134.63
4.3.80.0030.0234.58
4.3.70.0040.0134.63
4.3.60.0030.0154.63
4.3.50.0030.0144.63
4.3.40.0030.0234.54
4.3.30.0030.0143.30
4.3.20.0010.0163.28
4.3.10.0020.0153.23
4.3.00.0130.0207.13

preferences:
67.96 ms | 401 KiB | 5 Q