3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $obj; } class Zoo { private $obj; public function setObj($obj) { $this->obj = $obj; } public function show() { var_dump($this->obj); } } class Bar {} class Baz {} $foo = new Foo(); $zoo = new Zoo(); $a = new Bar(); $b = new Baz(); //$zoo->obj = &$foo->obj; $zoo->show(); $foo->setObj($a); $zoo->show(); $foo->setObj($b); $zoo->show();

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)
8.3.60.0070.00718.55
8.3.50.0090.01021.87
8.3.40.0070.00718.82
8.3.30.0070.00719.08
8.3.20.0000.00720.38
8.3.10.0080.00020.69
8.3.00.0050.00319.68
8.2.180.0000.01416.50
8.2.170.0140.00022.96
8.2.160.0130.00620.35
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00722.27
8.2.110.0070.01121.10
8.2.100.0070.00417.91
8.2.90.0000.00819.27
8.2.80.0050.00317.97
8.2.70.0080.00017.46
8.2.60.0050.00317.80
8.2.50.0000.01019.35
8.2.40.0050.00318.20
8.2.30.0040.00419.11
8.2.20.0080.00017.55
8.2.10.0030.00517.97
8.2.00.0050.00217.73
8.1.280.0110.01125.92
8.1.270.0050.00322.26
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0070.01422.62
8.1.230.0110.00017.83
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00519.97
8.1.160.0000.00821.91
8.1.150.0040.00418.82
8.1.140.0080.00017.30
8.1.130.0000.00717.70
8.1.120.0040.00417.30
8.1.110.0040.00417.44
8.1.100.0040.00317.29
8.1.90.0000.00817.36
8.1.80.0000.00717.40
8.1.70.0050.00217.34
8.1.60.0040.00417.54
8.1.50.0050.00217.52
8.1.40.0030.00617.52
8.1.30.0040.00417.64
8.1.20.0040.00417.66
8.1.10.0070.00017.63
8.1.00.0000.00817.52
8.0.300.0030.00618.77
8.0.290.0030.00616.75
8.0.280.0000.00718.37
8.0.270.0000.00717.13
8.0.260.0030.00317.07
8.0.250.0030.00316.98
8.0.240.0030.00316.85
8.0.230.0040.00416.86
8.0.220.0030.00316.88
8.0.210.0040.00416.79
8.0.200.0000.00716.98
8.0.190.0030.00616.97
8.0.180.0000.00716.79
8.0.170.0080.00016.81
8.0.160.0040.00416.83
8.0.150.0030.00316.79
8.0.140.0030.00316.90
8.0.130.0000.00513.27
8.0.120.0040.00416.87
8.0.110.0000.00716.92
8.0.100.0040.00416.67
8.0.90.0080.00016.91
8.0.80.0110.01116.78
8.0.70.0040.00416.93
8.0.60.0070.00016.71
8.0.50.0040.00416.95
8.0.30.0130.01017.25
8.0.20.0110.00817.40
8.0.10.0070.00016.95
8.0.00.0050.01216.77
7.4.330.0050.00015.04
7.4.320.0000.00616.45
7.4.300.0030.00316.60
7.4.290.0040.00416.45
7.4.280.0040.00416.50
7.4.270.0060.00016.52
7.4.260.0000.00716.46
7.4.250.0070.00016.38
7.4.240.0050.00216.51
7.4.230.0000.00716.60
7.4.220.0100.01616.48
7.4.210.0090.00616.63
7.4.200.0040.00416.38
7.4.160.0130.00916.69
7.4.150.0060.01017.40
7.4.140.0140.00617.86
7.4.130.0100.00616.49
7.4.120.0090.00916.62
7.4.110.0110.00616.58
7.4.100.0090.00916.42
7.4.90.0130.00316.40
7.4.80.0080.00816.65
7.4.70.0040.01516.59
7.4.60.0130.00316.33
7.4.50.0070.00016.58
7.4.40.0120.00916.54
7.4.30.0040.01116.45
7.4.00.0070.00714.88
7.3.330.0000.00513.37
7.3.320.0030.00313.34
7.3.310.0040.00416.32
7.3.300.0030.00316.32
7.3.290.0110.00416.38
7.3.280.0110.00616.38
7.3.270.0060.01417.40
7.3.260.0030.01316.36
7.3.250.0090.01116.32
7.3.240.0130.01016.41
7.3.230.0100.00716.54
7.3.210.0140.00316.40
7.3.200.0200.00019.39
7.3.190.0000.01716.30
7.3.180.0000.02016.52
7.3.170.0090.01216.53
7.3.160.0090.00916.38
7.2.330.0130.00616.57
7.2.320.0070.01016.33
7.2.310.0130.00416.46
7.2.300.0040.02216.67
7.2.290.0130.00316.71
7.2.80.0040.00816.33
7.2.60.0060.01017.03
7.2.00.0000.01519.12
7.1.200.0080.00615.32
7.1.70.0040.00417.14
7.1.60.0090.00617.13
7.1.50.0070.01516.80
7.1.00.0100.07022.41
7.0.200.0090.00016.76
7.0.140.0030.07322.08
7.0.60.0070.05019.93
7.0.50.0070.05317.89
7.0.40.0070.04020.15
7.0.30.0230.07720.24
7.0.20.0100.04720.24
7.0.10.0100.08320.22
7.0.00.0170.07320.32
5.6.280.0000.07720.90
5.6.210.0170.07320.76
5.6.200.0030.08318.29
5.6.190.0030.04320.61
5.6.180.0530.07020.73
5.6.170.0300.04320.56
5.6.160.0000.09020.57
5.6.150.0000.04018.29
5.6.140.0100.06718.14
5.6.130.0000.05718.26
5.6.120.0070.09020.90
5.6.110.0130.06321.12
5.6.100.0200.05320.87
5.6.90.0230.06320.98
5.6.80.0170.04720.41
5.5.350.0130.04720.43
5.5.340.0130.07017.95
5.5.330.0270.06320.32
5.5.320.0270.05720.35
5.5.310.0200.04320.30
5.5.300.0030.08018.08
5.5.290.0030.05717.96
5.5.280.0430.06320.69
5.5.270.0000.05720.96
5.5.260.0100.08020.78
5.5.250.0070.05320.80
5.5.240.0170.07320.07
5.4.450.0330.05719.36
5.4.440.0370.06019.64
5.4.430.0500.04719.48
5.4.420.0330.06019.57
5.4.410.0430.06019.07
5.4.400.0500.05019.28
5.4.390.0130.05318.99
5.4.380.0300.05018.84
5.4.370.0270.05718.80
5.4.360.0230.05718.75
5.4.350.0300.06018.57
5.4.340.0500.04718.57
5.4.320.0040.03712.51
5.4.310.0040.03912.50
5.4.300.0080.03712.51
5.4.290.0080.03512.50
5.4.280.0030.03712.39
5.4.270.0030.03912.39
5.4.260.0040.03912.40
5.4.250.0030.04012.40
5.4.240.0050.03712.40
5.4.230.0050.03812.39
5.4.220.0040.03912.39
5.4.210.0030.03912.39
5.4.200.0050.03812.39
5.4.190.0060.03712.39
5.4.180.0060.03512.38
5.4.170.0040.03712.39
5.4.160.0070.03412.39
5.4.150.0090.03312.39
5.4.140.0070.03512.07
5.4.130.0040.03812.07
5.4.120.0060.03812.02
5.4.110.0060.03512.02
5.4.100.0080.03212.02
5.4.90.0080.03612.02
5.4.80.0080.04612.02
5.4.70.0070.03412.02
5.4.60.0030.03712.01
5.4.50.0040.04712.02
5.4.40.0040.03612.00
5.4.30.0050.03712.00
5.4.20.0110.04512.00
5.4.10.0060.04912.00
5.4.00.0100.04111.49
5.3.290.0060.04012.80
5.3.280.0060.03812.71
5.3.270.0070.04212.72
5.3.260.0080.05312.72
5.3.250.0080.04212.72
5.3.240.0060.03812.72
5.3.230.0100.03412.71
5.3.220.0070.04012.68
5.3.210.0080.03912.68
5.3.200.0070.04012.68
5.3.190.0040.03912.68
5.3.180.0070.03612.68
5.3.170.0070.03612.67
5.3.160.0090.03412.68
5.3.150.0060.03712.68
5.3.140.0080.03412.66
5.3.130.0070.03812.66
5.3.120.0110.04412.66
5.3.110.0060.03812.66
5.3.100.0040.03912.13
5.3.90.0050.03712.11
5.3.80.0030.03912.10
5.3.70.0070.04112.10
5.3.60.0070.03512.09
5.3.50.0060.03612.04
5.3.40.0060.03512.03
5.3.30.0070.03912.00
5.3.20.0100.03811.77
5.3.10.0090.03711.74
5.3.00.0070.03411.73
5.2.170.0040.0309.23
5.2.160.0050.0289.23
5.2.150.0060.0289.23
5.2.140.0040.0339.22
5.2.130.0020.0339.19
5.2.120.0060.0319.19
5.2.110.0060.0289.20
5.2.100.0020.0329.18
5.2.90.0080.0289.19
5.2.80.0070.0329.18
5.2.70.0030.0329.18
5.2.60.0060.0299.13
5.2.50.0050.0319.10
5.2.40.0040.0309.08
5.2.30.0030.0319.06
5.2.20.0050.0289.05
5.2.10.0040.0288.95
5.2.00.0040.0288.82
5.1.60.0020.0268.10
5.1.50.0070.0228.09
5.1.40.0020.0268.08
5.1.30.0040.0268.43
5.1.20.0050.0258.45
5.1.10.0040.0268.17
5.1.00.0030.0278.18
5.0.50.0040.0226.65
5.0.40.0040.0236.51
5.0.30.0040.0306.33
5.0.20.0040.0196.29
5.0.10.0050.0186.27
5.0.00.0020.0326.26
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0040.0144.75
4.4.60.0040.0144.76
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0000.0184.76
4.4.20.0030.0154.85
4.4.10.0040.0144.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0020.0154.63
4.3.80.0060.0204.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0020.0163.30
4.3.20.0020.0213.28
4.3.10.0030.0203.23
4.3.00.0070.0207.55

preferences:
50.36 ms | 401 KiB | 5 Q