3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $obj; } class Zoo { public $obj; public function setObj(&$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; $zoo->setObj($foo->obj); $zoo->show(); $foo->obj = $a; $zoo->show(); $foo->obj = $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)
8.3.60.0070.00718.56
8.3.50.0090.01122.00
8.3.40.0100.00718.71
8.3.30.0000.01419.08
8.3.20.0000.00720.33
8.3.10.0040.00420.44
8.3.00.0060.00319.69
8.2.180.0070.00716.50
8.2.170.0120.00322.96
8.2.160.0000.01420.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00022.24
8.2.110.0070.00421.00
8.2.100.0080.00317.91
8.2.90.0030.00519.24
8.2.80.0000.00917.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0080.00418.07
8.2.40.0070.00018.16
8.2.30.0040.00419.15
8.2.20.0050.00217.68
8.2.10.0000.00817.90
8.2.00.0050.00217.54
8.1.280.0110.00425.92
8.1.270.0000.00822.10
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00321.43
8.1.230.0090.00317.42
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.23
8.1.180.0050.00218.10
8.1.170.0060.00318.56
8.1.160.0080.00021.82
8.1.150.0040.00418.82
8.1.140.0080.00017.32
8.1.130.0030.00317.70
8.1.120.0070.00017.36
8.1.110.0040.00417.39
8.1.100.0070.00017.38
8.1.90.0030.00617.37
8.1.80.0030.00317.43
8.1.70.0000.00717.27
8.1.60.0000.00917.61
8.1.50.0070.00017.44
8.1.40.0000.00817.41
8.1.30.0040.00417.52
8.1.20.0030.00617.65
8.1.10.0000.00717.49
8.1.00.0060.00317.51
8.0.300.0050.00318.77
8.0.290.0050.00216.58
8.0.280.0030.00318.30
8.0.270.0030.00317.19
8.0.260.0000.00617.13
8.0.250.0000.00716.77
8.0.240.0030.00316.82
8.0.230.0030.00316.87
8.0.220.0030.00316.74
8.0.210.0030.00316.73
8.0.200.0000.00616.84
8.0.190.0030.00516.88
8.0.180.0000.00716.80
8.0.170.0000.00816.89
8.0.160.0040.00416.94
8.0.150.0080.00016.72
8.0.140.0000.00716.77
8.0.130.0050.00013.21
8.0.120.0060.00316.81
8.0.110.0000.00816.84
8.0.100.0040.00416.82
8.0.90.0070.00016.64
8.0.80.0110.00416.87
8.0.70.0040.00416.86
8.0.60.0030.00516.85
8.0.50.0000.00716.70
8.0.30.0060.01216.96
8.0.20.0120.00617.40
8.0.10.0040.00416.84
8.0.00.0090.00916.74
7.4.330.0000.00515.00
7.4.320.0050.00216.51
7.4.300.0000.00616.54
7.4.290.0000.00716.58
7.4.280.0050.00316.54
7.4.270.0050.00216.52
7.4.260.0040.00416.44
7.4.250.0080.00016.46
7.4.240.0040.00316.51
7.4.230.0070.00016.61
7.4.220.0090.00916.53
7.4.210.0100.00316.51
7.4.200.0000.00716.63
7.4.160.0160.00616.40
7.4.150.0060.01317.40
7.4.140.0130.00517.86
7.4.130.0080.00816.45
7.4.120.0120.00816.41
7.4.110.0080.00816.65
7.4.100.0130.01116.34
7.4.90.0030.01416.37
7.4.80.0120.00816.32
7.4.70.0030.01316.47
7.4.60.0040.01216.43
7.4.50.0060.00316.12
7.4.40.0040.01216.38
7.4.30.0030.01216.54
7.4.00.0060.00314.93
7.3.330.0020.00213.19
7.3.320.0030.00313.43
7.3.310.0000.00716.24
7.3.300.0030.00316.37
7.3.290.0090.01216.37
7.3.280.0080.00816.40
7.3.270.0120.00617.40
7.3.260.0070.01116.54
7.3.250.0100.00716.39
7.3.240.0230.00016.30
7.3.230.0130.01016.46
7.3.210.0140.00316.52
7.3.200.0040.01219.39
7.3.190.0120.00616.46
7.3.180.0100.01016.64
7.3.170.0140.00916.45
7.3.160.0130.00316.31
7.2.330.0120.01016.51
7.2.320.0060.01016.78
7.2.310.0100.00716.52
7.2.300.0100.01016.73
7.2.290.0130.00916.77
7.2.60.0040.01116.63
7.2.00.0070.00719.24
7.1.200.0090.00315.81
7.1.100.0030.00718.24
7.1.70.0000.00717.02
7.1.60.0100.01319.32
7.1.50.0100.00716.63
7.1.00.0030.07722.48
7.0.200.0030.00716.82
7.0.140.0030.07321.90
7.0.60.0070.06320.04
7.0.50.0030.08317.91
7.0.40.0130.03320.09
7.0.30.0170.04720.08
7.0.20.0300.07320.30
7.0.10.0070.08720.05
7.0.00.0130.07020.23
5.6.280.0000.07720.87
5.6.210.0130.07720.63
5.6.200.0030.08318.19
5.6.190.0070.08720.63
5.6.180.0430.04020.77
5.6.170.0200.04320.55
5.6.160.0170.05720.44
5.6.150.0170.05718.23
5.6.140.0130.04318.17
5.6.130.0030.09018.27
5.6.120.0030.08720.83
5.6.110.0070.08021.04
5.6.100.0100.07721.14
5.6.90.0170.06720.95
5.6.80.0070.07020.38
5.5.350.0200.07720.34
5.5.340.0070.05717.95
5.5.330.0030.08320.35
5.5.320.0300.05020.35
5.5.310.0170.07020.32
5.5.300.0230.06317.95
5.5.290.0100.07018.07
5.5.280.0100.07720.97
5.5.270.0070.06320.87
5.5.260.0030.08720.80
5.5.250.0130.07320.47
5.5.240.0200.07720.13
5.4.450.0230.05019.69
5.4.440.0930.06319.55
5.4.430.0300.05719.55
5.4.420.0970.04719.29
5.4.410.0730.06019.05
5.4.400.0670.04318.86
5.4.390.1030.05319.29
5.4.380.0370.06318.54
5.4.370.0400.05018.74
5.4.360.0500.07018.77
5.4.350.0400.05318.50
5.4.340.0430.04318.74
5.4.320.0090.03212.51
5.4.310.0070.03812.50
5.4.300.0090.04512.51
5.4.290.0070.04512.50
5.4.280.0080.04212.40
5.4.270.0040.04512.39
5.4.260.0040.03912.39
5.4.250.0080.03912.40
5.4.240.0100.03512.40
5.4.230.0050.03812.39
5.4.220.0040.03812.39
5.4.210.0030.03912.39
5.4.200.0060.03912.39
5.4.190.0060.03612.39
5.4.180.0040.03812.38
5.4.170.0110.03012.40
5.4.160.0060.03612.39
5.4.150.0070.03912.39
5.4.140.0050.03712.07
5.4.130.0030.03812.07
5.4.120.0070.03412.02
5.4.110.0040.03712.02
5.4.100.0060.03512.02
5.4.90.0050.03712.02
5.4.80.0050.03812.02
5.4.70.0060.03512.01
5.4.60.0080.03212.01
5.4.50.0030.03712.01
5.4.40.0070.03312.00
5.4.30.0050.03611.99
5.4.20.0090.03212.00
5.4.10.0040.03612.00
5.4.00.0070.03511.48
5.3.290.0050.04012.80
5.3.280.0040.04012.71
5.3.270.0060.04012.72
5.3.260.0060.03912.72
5.3.250.0070.03712.72
5.3.240.0090.03412.71
5.3.230.0040.03912.71
5.3.220.0070.03612.68
5.3.210.0030.04112.68
5.3.200.0030.03912.68
5.3.190.0060.03812.68
5.3.180.0050.03812.67
5.3.170.0100.03312.67
5.3.160.0050.03712.67
5.3.150.0050.03812.67
5.3.140.0050.03812.66
5.3.130.0050.04012.66
5.3.120.0050.04012.66
5.3.110.0060.03912.66
5.3.100.0100.03212.12
5.3.90.0040.03712.11
5.3.80.0050.03712.09
5.3.70.0140.02812.09
5.3.60.0040.03812.09
5.3.50.0080.03412.03
5.3.40.0040.03912.03
5.3.30.0060.03511.99
5.3.20.0050.03611.77
5.3.10.0090.03211.73
5.3.00.0080.03411.72
5.2.170.0060.0349.23
5.2.160.0080.0409.23
5.2.150.0060.0319.23
5.2.140.0040.0319.22
5.2.130.0040.0309.18
5.2.120.0070.0289.18
5.2.110.0100.0359.19
5.2.100.0050.0299.19
5.2.90.0070.0279.18
5.2.80.0070.0309.18
5.2.70.0070.0289.18
5.2.60.0040.0319.13
5.2.50.0060.0309.10
5.2.40.0090.0399.08
5.2.30.0050.0299.06
5.2.20.0040.0309.04
5.2.10.0020.0328.95
5.2.00.0070.0278.81
5.1.60.0040.0248.09
5.1.50.0040.0248.09
5.1.40.0040.0248.07
5.1.30.0030.0278.42
5.1.20.0060.0258.45
5.1.10.0010.0298.16
5.1.00.0030.0268.17
5.0.50.0030.0216.64
5.0.40.0020.0216.50
5.0.30.0020.0336.32
5.0.20.0020.0216.29
5.0.10.0040.0206.27
5.0.00.0010.0336.26
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0020.0164.75
4.4.60.0000.0184.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0020.0174.76
4.4.20.0040.0144.84
4.4.10.0020.0184.85
4.4.00.0030.0264.76
4.3.110.0040.0194.67
4.3.100.0040.0154.66
4.3.90.0020.0154.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0040.0234.53
4.3.30.0020.0163.30
4.3.20.0010.0173.28
4.3.10.0020.0173.23
4.3.00.0030.0237.55

preferences:
43.52 ms | 401 KiB | 5 Q