3v4l.org

run code in 300+ PHP versions simultaneously
<?php class InCommon { private $baz = 'foo'; public function out($pref){ echo "\n".$pref.'::$baz = '.$this->baz; } } class Foo extends InCommon { } class Bar extends InCommon { public function peek($target, $pref){ echo "\n".'peek @'.$pref.'::$baz = '.$target->baz; } public function mess($target){ $target->baz = 'cats'; } } $foo = new Foo(); $bar = new Bar(); $bar->mess($foo); $foo->out('Foo'); $bar->peek($foo, 'Foo'); $bar->out('Bar'); $foo->out('Foo'); $foo->peek($bar, '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)
8.3.60.0150.00318.81
8.3.50.0080.00822.12
8.3.40.0060.01218.95
8.3.30.0060.01219.06
8.3.20.0040.00420.39
8.3.10.0040.00420.40
8.3.00.0040.00419.48
8.2.180.0070.00716.50
8.2.170.0110.00722.96
8.2.160.0120.00620.33
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0000.00822.28
8.2.110.0000.00921.95
8.2.100.0000.01219.63
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0050.00318.04
8.2.50.0000.00918.07
8.2.40.0050.00318.22
8.2.30.0040.00419.15
8.2.20.0050.00317.74
8.2.10.0000.00718.11
8.2.00.0080.00017.61
8.1.280.0110.00425.92
8.1.270.0050.00323.63
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.67
8.1.230.0070.00418.97
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0080.00417.36
8.1.190.0030.00517.23
8.1.180.0050.00318.10
8.1.170.0100.00018.71
8.1.160.0070.00021.99
8.1.150.0000.00718.79
8.1.140.0050.00217.38
8.1.130.0050.00317.82
8.1.120.0050.00317.41
8.1.110.0070.00017.36
8.1.100.0000.00817.49
8.1.90.0030.00717.50
8.1.80.0000.00717.48
8.1.70.0040.00417.37
8.1.60.0050.00217.46
8.1.50.0040.00417.51
8.1.40.0060.00317.54
8.1.30.0080.00017.61
8.1.20.0060.00317.64
8.1.10.0000.00817.53
8.1.00.0060.00317.57
8.0.300.0040.00418.77
8.0.290.0050.00316.88
8.0.280.0030.00318.36
8.0.270.0000.00717.23
8.0.260.0000.00717.18
8.0.250.0000.00717.06
8.0.240.0030.00317.02
8.0.230.0000.00717.10
8.0.220.0000.00716.96
8.0.210.0030.00316.94
8.0.200.0030.00316.87
8.0.190.0000.00917.03
8.0.180.0000.00716.99
8.0.170.0070.00016.80
8.0.160.0030.00316.93
8.0.150.0050.00316.92
8.0.140.0040.00416.83
8.0.130.0030.00313.41
8.0.120.0000.00916.93
8.0.110.0000.00816.88
8.0.100.0050.00216.94
8.0.90.0080.00017.01
8.0.80.0090.00916.89
8.0.70.0000.00716.81
8.0.60.0080.00016.95
8.0.50.0000.00716.81
8.0.30.0110.00917.11
8.0.20.0120.00717.40
8.0.10.0050.00216.98
8.0.00.0070.01116.75
7.4.330.0000.00515.10
7.4.320.0040.00416.59
7.4.300.0030.00316.57
7.4.290.0000.00716.48
7.4.280.0030.00516.50
7.4.270.0030.00316.61
7.4.260.0030.00516.38
7.4.250.0030.00516.46
7.4.240.0020.00516.50
7.4.230.0030.00316.49
7.4.220.0030.01616.52
7.4.210.0110.00316.60
7.4.200.0030.00316.51
7.4.160.0090.00616.45
7.4.150.0040.01517.40
7.4.140.0070.01017.86
7.4.130.0080.01016.48
7.4.120.0090.00916.56
7.4.110.0070.01016.58
7.4.100.0130.00416.27
7.4.90.0080.00816.75
7.4.80.0090.00919.37
7.4.70.0140.00416.53
7.4.60.0050.01116.54
7.4.50.0050.00016.40
7.4.40.0080.01416.65
7.4.30.0100.01316.55
7.4.00.0030.01014.94
7.3.330.0020.00213.23
7.3.320.0000.00513.20
7.3.310.0030.00316.36
7.3.300.0020.00516.36
7.3.290.0130.00316.37
7.3.280.0100.00616.33
7.3.270.0190.00617.40
7.3.260.0110.00516.36
7.3.250.0070.01116.59
7.3.240.0090.00616.45
7.3.230.0060.00916.43
7.3.210.0060.01016.50
7.3.200.0170.00319.39
7.3.190.0120.01116.53
7.3.180.0120.00916.48
7.3.170.0100.00616.38
7.3.160.0060.01016.42
7.3.10.0160.00316.68
7.3.00.0120.00416.79
7.2.330.0170.00016.36
7.2.320.0130.01016.89
7.2.310.0120.00616.44
7.2.300.0090.00916.85
7.2.290.0160.00016.68
7.2.130.0040.00716.75
7.2.120.0080.00616.68
7.2.110.0140.00816.93
7.2.100.0060.00916.55
7.2.90.0110.01416.99
7.2.80.0090.01516.68
7.2.70.0150.00416.84
7.2.60.0150.00816.65
7.2.50.0200.00716.93
7.2.40.0110.00816.49
7.2.30.0150.00916.47
7.2.20.0140.00316.94
7.2.10.0130.01016.74
7.2.00.0040.00917.95
7.1.250.0100.00715.62
7.1.200.0030.00615.72
7.1.100.0070.00417.77
7.1.70.0070.00017.26
7.1.60.0100.01419.32
7.1.50.0100.00716.87
7.1.00.0070.07022.40
7.0.200.0000.01016.54
7.0.140.0000.08022.00
7.0.60.0100.03720.02
7.0.50.0100.04017.88
7.0.40.0130.07020.27
7.0.30.0130.04320.13
7.0.20.0230.05020.16
7.0.10.0030.06020.24
7.0.00.0070.04720.23
5.6.280.0100.06721.08
5.6.210.0000.08720.66
5.6.200.0030.08318.18
5.6.190.0000.08020.46
5.6.180.0330.04720.75
5.6.170.0400.07320.61
5.6.160.0000.04720.55
5.6.150.0100.04718.11
5.6.140.0130.03018.21
5.6.130.0100.04318.18
5.6.120.0000.06720.95
5.6.110.0100.07721.00
5.6.100.0130.07321.12
5.6.90.0100.08321.00
5.6.80.0070.07720.29
5.5.350.0100.04720.50
5.5.340.0000.04017.98
5.5.330.0130.03720.57
5.5.320.0430.05020.34
5.5.310.0130.04720.36
5.5.300.0100.03717.95
5.5.290.0070.05017.97
5.5.280.0130.07020.86
5.5.270.0030.08720.67
5.5.260.0030.08720.68
5.5.250.0170.05720.59
5.5.240.0170.07720.28
5.4.450.0270.04719.55
5.4.440.0130.06319.70
5.4.430.0200.04719.69
5.4.420.0630.00019.39
5.4.410.0630.00019.21
5.4.400.0630.00019.22
5.4.390.0630.00019.26
5.4.380.0400.06318.61
5.4.370.0270.06718.59
5.4.360.0300.05018.61
5.4.350.0370.05018.71
5.4.340.0270.06318.63
5.4.320.0060.04412.51
5.4.310.0050.04312.51
5.4.300.0080.03612.52
5.4.290.0100.03712.50
5.4.280.0050.03712.40
5.4.270.0060.03612.40
5.4.260.0070.03712.40
5.4.250.0070.04412.40
5.4.240.0070.03412.40
5.4.230.0040.04512.39
5.4.220.0100.03612.40
5.4.210.0060.03812.39
5.4.200.0090.03912.39
5.4.190.0050.03912.39
5.4.180.0090.03512.39
5.4.170.0060.04012.41
5.4.160.0060.03712.39
5.4.150.0050.03612.39
5.4.140.0060.03612.07
5.4.130.0040.03612.06
5.4.120.0050.03512.02
5.4.110.0090.03112.02
5.4.100.0050.03512.02
5.4.90.0050.04612.02
5.4.80.0060.03512.02
5.4.70.0070.04012.02
5.4.60.0070.03812.02
5.4.50.0040.04212.02
5.4.40.0060.03812.01
5.4.30.0100.03612.00
5.4.20.0040.03612.00
5.4.10.0090.04012.00
5.4.00.0050.03711.49
5.3.290.0050.04012.80
5.3.280.0080.03612.71
5.3.270.0060.03912.73
5.3.260.0060.04112.71
5.3.250.0120.03712.72
5.3.240.0050.03812.72
5.3.230.0040.03912.70
5.3.220.0060.03512.68
5.3.210.0060.03712.68
5.3.200.0060.03612.68
5.3.190.0060.03712.67
5.3.180.0090.03312.67
5.3.170.0060.03612.67
5.3.160.0080.03412.67
5.3.150.0050.03912.67
5.3.140.0060.03712.66
5.3.130.0060.03812.66
5.3.120.0070.03612.65
5.3.110.0070.03712.65
5.3.100.0100.03412.13
5.3.90.0060.03912.11
5.3.80.0050.03812.10
5.3.70.0040.04112.10
5.3.60.0040.04112.08
5.3.50.0060.04112.04
5.3.40.0050.03612.04
5.3.30.0080.03112.00
5.3.20.0090.03411.77
5.3.10.0030.03911.73
5.3.00.0030.03911.73
5.2.170.0010.0379.23
5.2.160.0060.0309.23
5.2.150.0040.0319.23
5.2.140.0030.0319.22
5.2.130.0060.0279.18
5.2.120.0050.0279.18
5.2.110.0030.0309.20
5.2.100.0050.0359.20
5.2.90.0070.0269.20
5.2.80.0070.0329.19
5.2.70.0050.0299.19
5.2.60.0050.0319.13
5.2.50.0090.0329.11
5.2.40.0100.0289.08
5.2.30.0070.0279.06
5.2.20.0030.0309.05
5.2.10.0040.0288.96
5.2.00.0060.0278.82
5.1.60.0050.0238.10
5.1.50.0020.0268.09
5.1.40.0050.0308.07
5.1.30.0030.0268.43
5.1.20.0040.0268.45
5.1.10.0070.0248.17
5.1.00.0090.0238.17
5.0.50.0020.0226.65
5.0.40.0080.0226.51
5.0.30.0060.0356.32
5.0.20.0030.0206.29
5.0.10.0040.0186.27
5.0.00.0020.0356.26
4.4.90.0030.0214.78
4.4.80.0040.0194.76
4.4.70.0030.0204.76
4.4.60.0040.0234.75
4.4.50.0020.0164.77
4.4.40.0020.0274.70
4.4.30.0030.0144.76
4.4.20.0020.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0294.76
4.3.110.0020.0214.67
4.3.100.0050.0234.67
4.3.90.0000.0164.63
4.3.80.0050.0244.59
4.3.70.0060.0144.63
4.3.60.0020.0154.63
4.3.50.0040.0134.63
4.3.40.0010.0304.53
4.3.30.0000.0173.30
4.3.20.0010.0193.28
4.3.10.0050.0193.24
4.3.00.0100.0107.88

preferences:
54.1 ms | 401 KiB | 5 Q