3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class myparent { public function foo($bar) { // do stuff } } class mychild extends myparent { public $val; private function bar(myparent &$baz) { // do stuff } public function __construct($val) { $this->val = $val; } } $child = new mychild('hello world'); $child->foo('test'); $reflection = new reflectionClass('myparent'); echo $reflection->isInstance() ? 'yes' : 'no';

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)
8.3.40.0120.00418.76
8.3.30.0060.00818.92
8.3.20.0040.00418.73
8.3.10.0030.00620.61
8.3.00.0080.00019.51
8.2.170.0140.00322.96
8.2.160.0060.01018.75
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.00626.16
8.2.120.0030.00520.59
8.2.110.0030.00620.98
8.2.100.0070.01017.78
8.2.90.0000.00921.02
8.2.80.0000.00719.18
8.2.70.0040.00417.50
8.2.60.0030.00517.80
8.2.50.0030.00518.07
8.2.40.0070.00018.17
8.2.30.0040.00417.94
8.2.20.0000.00817.49
8.2.10.0070.00017.61
8.2.00.0000.00817.73
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0060.00322.23
8.1.230.0070.00420.96
8.1.220.0030.00617.74
8.1.210.0040.00418.88
8.1.200.0090.00017.13
8.1.190.0080.00017.50
8.1.180.0060.00318.10
8.1.170.0000.00818.64
8.1.160.0030.00518.89
8.1.150.0000.00718.50
8.1.140.0100.00017.40
8.1.130.0030.00317.70
8.1.120.0040.00317.39
8.1.110.0000.00817.44
8.1.100.0000.00717.30
8.1.90.0040.00417.32
8.1.80.0030.00417.41
8.1.70.0000.00817.35
8.1.60.0000.00817.63
8.1.50.0030.00517.46
8.1.40.0040.00417.51
8.1.30.0060.00317.55
8.1.20.0080.00017.65
8.1.10.0080.00017.42
8.1.00.0040.00417.56
8.0.300.0050.00320.03
8.0.290.0000.00716.60
8.0.280.0070.00018.33
8.0.270.0030.00317.19
8.0.260.0070.00016.82
8.0.250.0050.00216.97
8.0.240.0000.00716.92
8.0.230.0030.00316.95
8.0.220.0030.00316.93
8.0.210.0000.00716.86
8.0.200.0000.00616.94
8.0.190.0030.00316.93
8.0.180.0000.00716.98
8.0.170.0050.00516.67
8.0.160.0000.00716.81
8.0.150.0060.00316.74
8.0.140.0080.00016.89
8.0.130.0000.00513.32
8.0.120.0070.00016.94
8.0.110.0040.00416.78
8.0.100.0000.00816.76
8.0.90.0050.00316.70
8.0.80.0030.01516.79
8.0.70.0000.00716.96
8.0.60.0000.00716.88
8.0.50.0000.00716.84
8.0.30.0090.00917.35
8.0.20.0030.01416.95
8.0.10.0080.00016.89
8.0.00.0090.00716.78
7.4.330.0050.00012.94
7.4.320.0050.00316.51
7.4.300.0000.00616.59
7.4.290.0070.00016.55
7.4.280.0000.00716.49
7.4.270.0070.00016.41
7.4.260.0000.00613.20
7.4.250.0060.00316.60
7.4.240.0030.00316.51
7.4.230.0000.00716.52
7.4.220.0120.00616.60
7.4.210.0060.00916.71
7.4.200.0070.00016.70
7.4.190.0070.00016.58
7.4.160.0090.00616.65
7.4.150.0170.00716.50
7.4.140.0100.00716.42
7.4.130.0030.01316.34
7.4.120.0170.00016.53
7.4.110.0000.01716.67
7.4.100.0070.01416.59
7.4.90.0000.01816.41
7.4.80.0040.02019.39
7.4.70.0060.01216.58
7.4.60.0090.00916.58
7.4.50.0030.00316.41
7.4.40.0120.00416.42
7.4.30.0060.01216.54
7.4.00.0110.00715.04
7.3.330.0030.00313.31
7.3.320.0030.00313.21
7.3.310.0000.00716.32
7.3.300.0030.00316.22
7.3.290.0090.00516.25
7.3.280.0080.00716.35
7.3.270.0070.01016.22
7.3.260.0030.01316.49
7.3.250.0130.00816.48
7.3.240.0110.00716.41
7.3.230.0120.00616.50
7.3.210.0090.01316.32
7.3.200.0080.00816.34
7.3.190.0090.00916.42
7.3.180.0160.00016.56
7.3.170.0030.01216.29
7.3.160.0150.00716.39
7.3.120.0160.00014.75
7.3.10.0080.00816.61
7.3.00.0000.01516.70
7.2.330.0090.01216.68
7.2.320.0070.01116.85
7.2.310.0120.00716.53
7.2.300.0090.00916.68
7.2.290.0100.00716.49
7.2.130.0030.00817.02
7.2.120.0100.01017.00
7.2.110.0140.00716.99
7.2.100.0180.00716.76
7.2.90.0090.00916.67
7.2.80.0120.00817.03
7.2.70.0060.01316.96
7.2.60.0080.00817.00
7.2.50.0090.00616.89
7.2.40.0040.00716.70
7.2.30.0000.01817.06
7.2.20.0070.01016.80
7.2.10.0040.01116.96
7.2.00.0000.01516.67
7.1.250.0030.01515.63
7.1.100.0040.00417.69
7.1.70.0120.00617.00
7.1.60.0030.02119.31
7.1.50.0030.01916.75
7.1.00.0000.06022.27
7.0.200.0000.00916.52
7.0.140.0070.07321.92
7.0.120.0000.03322.15
7.0.60.0200.07319.79
7.0.50.0100.07717.73
7.0.40.0070.08017.86
7.0.30.0000.06717.72
7.0.20.0100.04717.75
7.0.10.0130.03317.75
7.0.00.0000.04717.74
5.6.280.0000.07721.10
5.6.210.0030.07020.48
5.6.200.0030.04318.23
5.6.190.0100.05318.17
5.6.180.0030.07318.27
5.6.170.0100.07018.25
5.6.160.0100.03718.21
5.6.150.0070.08018.23
5.6.140.0100.07718.21
5.6.130.0000.06018.21
5.6.120.0030.07018.28
5.6.110.0030.09018.22
5.6.100.0200.02718.17
5.6.90.0000.04718.14
5.6.80.0070.07717.64
5.6.70.0070.07717.53
5.6.60.0030.05317.66
5.6.50.0100.07717.66
5.6.40.0100.03717.59
5.6.30.0130.07317.54
5.6.20.0100.07717.53
5.6.10.0030.08017.47
5.6.00.0070.07717.52
5.5.350.0230.07020.43
5.5.340.0070.07018.05
5.5.330.0100.07717.99
5.5.320.0070.07717.93
5.5.310.0130.07718.04
5.5.300.0070.08318.04
5.5.290.0070.06017.98
5.5.280.0070.06317.92
5.5.270.0070.07717.96
5.5.260.0070.06718.10
5.5.250.0070.08717.75
5.5.240.0070.04317.37
5.5.230.0030.07017.47
5.5.220.0070.06717.41
5.5.210.0000.04317.46
5.5.200.0070.05017.33
5.5.190.0200.06717.35
5.5.180.0030.04017.33
5.5.160.0030.06017.34
5.5.150.0100.06017.27
5.5.140.0200.06017.43
5.5.130.0070.06017.29
5.5.120.0070.08017.38
5.5.110.0070.03717.32
5.5.100.0070.06017.25
5.5.90.0070.07317.33
5.5.80.0030.07317.22
5.5.70.0000.05717.30
5.5.60.0100.07317.24
5.5.50.0070.06317.19
5.5.40.0100.03717.32
5.5.30.0100.07317.30
5.5.20.0000.08317.32
5.5.10.0000.05317.21
5.5.00.0130.07317.32
5.4.450.0070.05719.47
5.4.440.0070.08019.48
5.4.430.0030.07019.42
5.4.420.0030.07719.30
5.4.410.0130.07719.24
5.4.400.0130.07019.13
5.4.390.0070.05719.27
5.4.380.0130.05718.98
5.4.370.0030.04019.05
5.4.360.0100.06019.05
5.4.350.0100.07019.01
5.4.340.0100.03318.91
5.4.320.0070.05019.10
5.4.310.0070.07319.01
5.4.300.0030.07719.04
5.4.290.0100.05019.00
5.4.280.0100.07719.05
5.4.270.0030.04718.95
5.4.260.0170.04019.04
5.4.250.0130.07018.98
5.4.240.0030.08019.11
5.4.230.0070.07718.88
5.4.220.0130.04319.02
5.4.210.0130.06719.08
5.4.200.0070.07718.97
5.4.190.0130.06719.03
5.4.180.0170.06719.25
5.4.170.0070.06719.04
5.4.160.0030.06019.07
5.4.150.0100.07318.86
5.4.140.0070.07716.48
5.4.130.0130.06716.62
5.4.120.0100.03716.61
5.4.110.0170.06316.53
5.4.100.0070.07716.53
5.4.90.0070.07716.34
5.4.80.0000.04016.43
5.4.70.0030.03716.26
5.4.60.0130.02716.46
5.4.50.0030.03316.32
5.4.40.0030.03316.34
5.4.30.0030.04016.20
5.4.20.0070.03316.39
5.4.10.0030.03316.37
5.4.00.0030.03315.87
5.3.290.0030.07314.73
5.3.280.0030.08314.45
5.3.270.0100.07314.69
5.3.260.0030.05014.60
5.3.250.0070.07314.65
5.3.240.0070.07314.71
5.3.230.0100.07314.57
5.3.220.0130.07014.60
5.3.210.0100.07314.60
5.3.200.0130.07714.61
5.3.190.0130.04014.56
5.3.180.0030.03714.55
5.3.170.0000.04014.59
5.3.160.0070.03314.56
5.3.150.0000.04714.62
5.3.140.0030.03714.61
5.3.130.0070.03314.56
5.3.120.0030.03714.62
5.3.110.0030.03714.61
5.3.100.0000.04714.03
5.3.90.0000.03714.07
5.3.80.0000.03714.00
5.3.70.0000.04714.11
5.3.60.0100.06013.85
5.3.50.0030.03314.04
5.3.40.0070.03313.98
5.3.30.0000.03713.94
5.3.20.0070.04013.72
5.3.10.0000.03713.86
5.3.00.0000.03713.73
5.2.170.0000.03011.18
5.2.160.0030.02711.19
5.2.150.0000.03011.20
5.2.140.0030.02711.14
5.2.130.0030.02711.17
5.2.120.0030.02710.97
5.2.110.0030.02711.15
5.2.100.0000.03011.16
5.2.90.0030.03311.31
5.2.80.0000.03011.00
5.2.70.0030.02711.11
5.2.60.0000.03011.02
5.2.50.0000.03011.04
5.2.40.0000.03010.90
5.2.30.0030.02711.02
5.2.20.0000.03010.95
5.2.10.0030.02710.83
5.2.00.0030.02710.73
5.1.60.0000.0339.95
5.1.50.0070.02010.03
5.1.40.0000.0239.90
5.1.30.0000.02710.36
5.1.20.0000.02710.33
5.1.10.0000.02710.15
5.1.00.0030.03710.07
5.0.50.0000.0239.29
5.0.40.0000.0339.29
5.0.30.0030.0679.29
5.0.20.0000.0379.29
5.0.10.0030.0379.29
5.0.00.0030.0639.29
4.4.90.0030.0139.29
4.4.80.0030.0139.29
4.4.70.0000.0179.29
4.4.60.0000.0179.29
4.4.50.0000.0139.29
4.4.40.0030.0239.29
4.4.30.0000.0179.29
4.4.20.0030.0139.29
4.4.10.0130.0279.29
4.4.00.0000.0279.29
4.3.110.0070.0309.29
4.3.100.0000.0409.29
4.3.90.0030.0339.29
4.3.80.0030.0509.29
4.3.70.0070.0209.29
4.3.60.0000.0379.29
4.3.50.0000.0379.29
4.3.40.0030.0309.29
4.3.30.0030.0379.29
4.3.20.0030.0379.29
4.3.10.0000.0309.29
4.3.00.0070.0279.29

preferences:
40.85 ms | 400 KiB | 5 Q