3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar { private $baz = 'tab'; } class Foo extends Bar { private $baz = 'baz'; public function __construct() { $this->accessor = function () { return $this->baz; }; $this->writer = function ($bar) { $this->baz = $bar; }; } } $foo = new Foo(); $bar = new Bar(); $accessor = $foo->accessor; var_dump($accessor()); $accessor = Closure::bind($foo->accessor, $bar, 'Bar'); var_dump($accessor()); $writer = Closure::bind($foo->writer, $bar, 'Bar'); $writer('taz'); var_dump($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)
8.3.40.0140.00318.88
8.3.30.0140.00018.51
8.3.20.0080.00018.90
8.3.10.0050.00318.59
8.3.00.0060.00319.26
8.2.170.0120.00322.96
8.2.160.0060.00918.96
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0040.00420.87
8.2.110.0060.00320.50
8.2.100.0040.00819.76
8.2.90.0040.00417.88
8.2.80.0040.00418.83
8.2.70.0050.00317.50
8.2.60.0030.00617.63
8.2.50.0000.00818.05
8.2.40.0040.00420.07
8.2.30.0030.00617.76
8.2.20.0000.00917.52
8.2.10.0070.00017.71
8.2.00.0030.00717.59
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0110.00019.31
8.1.230.0070.00420.95
8.1.220.0050.00318.61
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0040.00419.04
8.1.150.0040.00418.59
8.1.140.0040.00417.35
8.1.130.0030.00317.86
8.1.120.0050.00217.38
8.1.110.0040.00417.37
8.1.100.0000.00817.40
8.1.90.0000.00717.49
8.1.80.0000.00717.51
8.1.70.0070.00017.40
8.1.60.0060.00317.61
8.1.50.0000.00817.55
8.1.40.0090.00017.55
8.1.30.0030.00717.68
8.1.20.0080.00317.64
8.1.10.0080.00017.58
8.1.00.0000.00817.58
8.0.300.0000.00718.77
8.0.290.0060.00316.58
8.0.280.0000.00718.65
8.0.270.0060.00317.23
8.0.260.0020.00616.68
8.0.250.0030.00516.79
8.0.240.0000.00716.89
8.0.230.0030.00516.82
8.0.220.0080.00016.80
8.0.210.0080.00016.76
8.0.200.0090.00016.97
8.0.190.0050.00316.96
8.0.180.0040.00416.90
8.0.170.0030.00716.77
8.0.160.0000.00817.01
8.0.150.0000.00916.81
8.0.140.0080.00016.86
8.0.130.0000.00613.37
8.0.120.0030.00616.86
8.0.110.0060.00316.90
8.0.100.0040.00416.98
8.0.90.0080.00016.91
8.0.80.0070.00716.90
8.0.70.0050.00216.92
8.0.60.0030.00616.79
8.0.50.0040.00416.72
8.0.30.0120.00616.94
8.0.20.0180.00017.26
8.0.10.0030.00517.07
8.0.00.0050.01316.85
7.4.330.0020.00213.13
7.4.320.0000.00716.52
7.4.300.0040.00416.52
7.4.290.0000.00716.63
7.4.280.0050.00316.61
7.4.270.0000.00716.54
7.4.260.0000.00613.38
7.4.250.0000.00716.53
7.4.240.0030.00316.66
7.4.230.0070.00016.73
7.4.220.0070.01116.46
7.4.210.0140.00716.52
7.4.200.0030.00516.58
7.4.190.0040.00416.69
7.4.160.0040.01816.37
7.4.150.0110.00716.67
7.4.140.0120.00916.69
7.4.130.0030.01516.32
7.4.120.0140.00316.46
7.4.110.0140.00316.45
7.4.100.0140.00416.39
7.4.90.0160.00716.34
7.4.80.0160.00619.39
7.4.70.0000.01816.64
7.4.60.0050.01116.45
7.4.50.0000.00516.25
7.4.40.0100.00316.40
7.4.30.0090.00916.64
7.4.00.0120.00614.92
7.3.330.0000.00713.27
7.3.320.0080.00013.31
7.3.310.0040.00416.42
7.3.300.0030.00316.18
7.3.290.0080.00716.31
7.3.280.0090.00716.28
7.3.270.0110.00616.42
7.3.260.0090.00916.38
7.3.250.0140.00816.44
7.3.240.0140.00316.59
7.3.230.0150.00816.24
7.3.210.0110.00616.62
7.3.200.0140.00416.33
7.3.190.0030.01816.55
7.3.180.0160.00016.46
7.3.170.0070.01016.32
7.3.160.0130.00416.63
7.3.120.0050.01114.90
7.3.110.0000.01714.94
7.3.100.0030.01014.77
7.3.90.0030.01314.66
7.3.80.0130.00014.88
7.3.70.0030.01014.61
7.3.60.0000.01414.81
7.3.50.0100.00314.68
7.3.40.0030.01014.77
7.3.30.0060.00614.67
7.3.20.0070.00716.53
7.3.10.0030.01016.67
7.3.00.0060.00616.41
7.2.330.0090.00916.41
7.2.320.0040.01216.46
7.2.310.0160.00416.80
7.2.300.0070.01116.74
7.2.290.0040.01216.37
7.2.250.0070.01115.06
7.2.240.0030.01714.98
7.2.230.0030.01415.02
7.2.220.0130.00315.23
7.2.210.0080.01114.91
7.2.200.0040.01114.82
7.2.190.0030.00715.05
7.2.180.0000.01115.03
7.2.170.0090.00314.91
7.2.00.0000.00919.15
7.1.330.0000.01415.83
7.1.320.0070.00716.00
7.1.310.0030.01215.90
7.1.300.0060.00315.89
7.1.290.0070.00715.87
7.1.280.0070.00715.55
7.1.270.0000.01115.81
7.1.260.0040.00815.82
7.1.100.0040.00818.29
7.1.70.0040.00417.38
7.1.60.0100.01419.30
7.1.50.0100.01016.94
7.1.00.0100.06722.54
7.0.200.0000.00816.41
7.0.140.0030.07022.00
7.0.120.0030.07322.15
7.0.60.0070.03719.91
7.0.50.0100.07017.84
7.0.40.0000.05720.27
7.0.30.0170.04020.17
7.0.20.0200.07020.33
7.0.10.0030.08720.26
7.0.00.0030.04320.06
5.6.280.0100.06720.87
5.6.210.0030.04020.62
5.6.200.0030.04318.23
5.6.190.0000.05020.41
5.6.180.0270.06720.38
5.6.170.0300.05320.48
5.6.160.0030.08320.52
5.6.150.0100.08018.18
5.6.140.0070.04718.18
5.6.130.0100.04318.24
5.6.120.0130.07721.03
5.6.110.0100.08721.02
5.6.100.0000.08021.05
5.6.90.0070.06720.95
5.6.80.0100.07720.39
5.6.70.4200.03720.54
5.5.350.0230.06320.42
5.5.340.0030.04018.05
5.5.330.0000.09020.40
5.5.320.0370.06320.26
5.5.310.0200.03320.30
5.5.300.0100.03318.08
5.5.290.0000.07017.98
5.5.280.0070.08020.88
5.5.270.0030.06320.69
5.5.260.0070.07320.88
5.5.250.0130.04720.68
5.5.240.0130.03320.28
5.4.450.1100.04719.42
5.4.440.2430.04019.48
5.4.430.2600.04019.31
5.4.420.2800.03719.40
5.4.410.2870.04019.26
5.4.400.2770.02319.15
5.4.390.2630.04319.13
5.4.380.2470.04319.09
5.4.370.2430.03718.98
5.4.360.2730.03319.08
5.4.350.2670.03019.20
5.4.340.2400.03719.00
5.4.320.2530.04719.24
5.4.310.1130.03019.13
5.4.300.0030.04019.20
5.4.290.0030.04019.22
5.4.280.1430.04018.99
5.4.270.2570.03319.06
5.4.260.2600.04318.99
5.4.250.0270.03319.24
5.4.240.0200.03318.86
5.4.230.0130.04019.13
5.4.220.0200.05718.87
5.4.210.0270.04019.19
5.4.200.0170.04319.21
5.4.190.0170.03718.94
5.4.180.0230.03719.18
5.4.170.0170.03718.97
5.4.160.0200.03719.20
5.4.150.0230.03318.86
5.4.140.0200.03716.38
5.4.130.0170.03716.54
5.4.120.0170.03316.53
5.4.110.0270.03716.59
5.4.100.0130.03716.34
5.4.90.0230.03716.56
5.4.80.0270.04716.37
5.4.70.0270.03016.60
5.4.60.0200.03016.50
5.4.50.0170.04016.53
5.4.40.0200.04016.34
5.4.30.0200.03316.54
5.4.20.0170.04316.54
5.4.10.0130.04016.30
5.4.00.0230.03015.93
5.3.290.0170.04714.66
5.3.280.0200.03014.71
5.3.270.0130.05014.64
5.3.260.0200.04014.74
5.3.250.0130.04014.67
5.3.240.0130.04014.77
5.3.230.0130.04014.67
5.3.220.0230.03314.50
5.3.210.0070.04714.80
5.3.200.0170.03714.59
5.3.190.0570.04314.49
5.3.180.0200.05014.73
5.3.170.0130.04714.51
5.3.160.0230.04314.55
5.3.150.0170.05314.80
5.3.140.0200.03314.62
5.3.130.0270.03714.68
5.3.120.0230.07314.58
5.3.110.0170.04714.65
5.3.100.0300.06314.03
5.3.90.0170.04014.02
5.3.80.0230.05014.17
5.3.70.0230.03714.04
5.3.60.0230.06714.09
5.3.50.0170.04714.10
5.3.40.0230.07314.10
5.3.30.0230.06313.85
5.3.20.0300.06713.71
5.3.10.0230.06713.68
5.3.00.0230.05713.72
5.2.170.0200.03311.23
5.2.160.0200.05711.05
5.2.150.0200.05311.06
5.2.140.0130.04311.15
5.2.130.0130.03311.11
5.2.120.0270.04711.02
5.2.110.0170.02711.02
5.2.100.0200.03011.13
5.2.90.0100.03311.22
5.2.80.0130.03711.01
5.2.70.0070.03311.01
5.2.60.0200.04011.09
5.2.50.0130.03310.91
5.2.40.0030.03311.11
5.2.30.0200.02010.93
5.2.20.0100.02710.93
5.2.10.0100.02710.79
5.2.00.0070.03010.77
5.1.60.0030.0409.97
5.1.50.0070.0339.97
5.1.40.0170.0309.93
5.1.30.0100.02710.31
5.1.20.0170.03010.27
5.1.10.0100.02710.30
5.1.00.0130.03010.09
5.0.50.0070.0208.64
5.0.40.0030.0238.55
5.0.30.0100.0308.55
5.0.20.0070.0478.55
5.0.10.0500.0338.55
5.0.00.0070.0578.55
4.4.90.0270.0178.55
4.4.80.0030.0178.55
4.4.70.0070.0378.55
4.4.60.0100.0138.55
4.4.50.0100.0278.55
4.4.40.0030.0278.55
4.4.30.0070.0138.55
4.4.20.0100.0308.55
4.4.10.0070.0308.55
4.4.00.0130.0338.55
4.3.110.0130.0338.55
4.3.100.0070.0338.55
4.3.90.0070.0308.55
4.3.80.0070.0578.55
4.3.70.0100.0308.55
4.3.60.0100.0238.55
4.3.50.0100.0378.55
4.3.40.0100.0338.55
4.3.30.0070.0278.55
4.3.20.0030.0308.55
4.3.10.0270.0238.55
4.3.00.0030.0308.55

preferences:
43.8 ms | 400 KiB | 5 Q