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; $foo->obj = new stdClass(); $zoo->setObj($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)
8.3.60.0110.00418.31
8.3.50.0110.00922.13
8.3.40.0040.01118.67
8.3.30.0070.00719.09
8.3.20.0040.00420.16
8.3.10.0050.00320.40
8.3.00.0050.00319.56
8.2.180.0090.00616.63
8.2.170.0000.01522.96
8.2.160.0100.01020.57
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00422.23
8.2.110.0060.00320.52
8.2.100.0040.00717.86
8.2.90.0000.00819.02
8.2.80.0060.00317.97
8.2.70.0080.00017.38
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0050.00218.16
8.2.30.0070.00019.26
8.2.20.0030.00517.57
8.2.10.0060.00318.11
8.2.00.0000.00817.67
8.1.280.0000.01425.92
8.1.270.0030.00522.05
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0090.00023.73
8.1.230.0040.00819.11
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0080.00318.49
8.1.160.0000.00721.96
8.1.150.0040.00418.79
8.1.140.0040.00417.40
8.1.130.0000.00817.89
8.1.120.0000.00717.48
8.1.110.0040.00417.30
8.1.100.0000.00717.32
8.1.90.0070.00317.40
8.1.80.0080.00017.39
8.1.70.0040.00417.40
8.1.60.0040.00417.48
8.1.50.0040.00417.60
8.1.40.0040.00417.51
8.1.30.0030.00517.65
8.1.20.0000.00817.67
8.1.10.0000.00717.46
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.39
8.0.270.0000.00717.11
8.0.260.0000.00617.21
8.0.250.0000.00716.93
8.0.240.0000.00716.77
8.0.230.0000.00716.89
8.0.220.0000.00716.72
8.0.210.0000.00716.82
8.0.200.0030.00316.89
8.0.190.0060.00316.84
8.0.180.0040.00416.93
8.0.170.0050.00316.86
8.0.160.0050.00316.72
8.0.150.0030.00316.69
8.0.140.0000.00816.69
8.0.130.0060.00013.22
8.0.120.0020.00516.71
8.0.110.0000.00716.67
8.0.100.0000.00816.82
8.0.90.0080.00016.66
8.0.80.0040.01116.78
8.0.70.0040.00416.86
8.0.60.0000.00716.75
8.0.50.0040.00416.81
8.0.30.0070.01217.00
8.0.20.0100.00917.40
8.0.10.0050.00317.03
8.0.00.0060.01116.73
7.4.330.0000.00515.03
7.4.320.0030.00316.60
7.4.300.0060.00016.57
7.4.290.0040.00416.62
7.4.280.0070.00016.41
7.4.270.0000.00616.54
7.4.260.0000.00816.48
7.4.250.0080.00016.34
7.4.240.0020.00516.39
7.4.230.0000.00716.72
7.4.220.0090.00916.57
7.4.210.0070.00716.47
7.4.200.0000.00716.50
7.4.160.0110.00516.40
7.4.150.0100.00717.40
7.4.140.0050.01217.86
7.4.130.0090.00716.43
7.4.120.0130.00716.55
7.4.110.0120.00616.53
7.4.100.0040.01316.64
7.4.90.0100.00716.29
7.4.80.0070.01016.48
7.4.70.0040.01216.53
7.4.60.0090.00616.66
7.4.50.0080.00016.52
7.4.40.0140.00316.37
7.4.30.0030.01316.56
7.4.00.0000.01514.84
7.3.330.0050.00013.36
7.3.320.0030.00313.40
7.3.310.0000.00716.13
7.3.300.0000.00816.33
7.3.290.0140.00716.42
7.3.280.0090.00616.37
7.3.270.0080.01117.40
7.3.260.0060.01116.60
7.3.250.0090.01116.44
7.3.240.0090.01316.37
7.3.230.0060.01216.39
7.3.210.0100.00716.50
7.3.200.0110.01219.39
7.3.190.0060.01216.39
7.3.180.0110.00716.16
7.3.170.0100.01016.39
7.3.160.0090.00616.28
7.2.330.0070.01016.51
7.2.320.0040.01216.30
7.2.310.0040.01316.50
7.2.300.0030.01416.76
7.2.290.0130.00316.69
7.2.00.0030.00919.03
7.1.100.0040.00818.22
7.1.70.0000.00716.78
7.1.60.0130.01019.32
7.1.50.0100.01317.04
7.1.00.0000.08022.31
7.0.200.0000.01016.69
7.0.140.0030.06722.21
7.0.60.0170.07319.93
7.0.50.0070.08017.98
7.0.40.0070.04020.05
7.0.30.0500.07320.34
7.0.20.0330.07020.30
7.0.10.0030.08720.14
7.0.00.0130.07720.16
5.6.280.0030.06720.89
5.6.210.0030.04320.48
5.6.200.0070.04018.17
5.6.190.0130.08020.61
5.6.180.3500.04020.67
5.6.170.0330.07320.60
5.6.160.0070.05020.44
5.6.150.0070.04318.18
5.6.140.0100.05718.24
5.6.130.0100.07018.18
5.6.120.0000.06021.13
5.6.110.0070.07320.96
5.6.100.0170.04721.03
5.6.90.0030.04021.13
5.6.80.0000.05720.39
5.6.70.0370.06720.47
5.5.350.0270.08020.34
5.5.340.0070.06318.05
5.5.330.0000.08720.21
5.5.320.0500.05020.38
5.5.310.0400.07320.22
5.5.300.0130.07017.98
5.5.290.0000.08717.95
5.5.280.0200.03720.74
5.5.270.0070.09020.73
5.5.260.0100.08020.65
5.5.250.0030.08720.72
5.5.240.0330.06020.36
5.4.450.0730.06319.61
5.4.440.0630.05719.46
5.4.430.0970.04019.18
5.4.420.0930.05019.33
5.4.410.1000.06719.46
5.4.400.0670.05019.16
5.4.390.0630.05319.15
5.4.380.0400.06018.51
5.4.370.0230.05318.84
5.4.360.0230.05018.79
5.4.350.0330.04718.70
5.4.340.0370.04718.75
5.4.320.0060.03512.50
5.4.310.0050.03812.50
5.4.300.0040.03712.51
5.4.290.0070.03612.50
5.4.280.0060.03412.39
5.4.270.0060.03512.40
5.4.260.0050.03812.40
5.4.250.0050.03712.40
5.4.240.0040.03612.40
5.4.230.0040.03912.39
5.4.220.0060.03512.39
5.4.210.0070.03712.39
5.4.200.0040.03812.39
5.4.190.0070.03412.38
5.4.180.0070.03312.39
5.4.170.0030.03712.40
5.4.160.0050.03612.39
5.4.150.0060.03612.39
5.4.140.0070.03612.08
5.4.130.0030.03912.07
5.4.120.0050.03612.02
5.4.110.0060.03712.02
5.4.100.0080.03212.02
5.4.90.0050.03612.02
5.4.80.0060.03612.02
5.4.70.0050.03512.02
5.4.60.0010.03912.01
5.4.50.0050.04112.01
5.4.40.0060.04012.00
5.4.30.0070.03812.00
5.4.20.0080.03612.00
5.4.10.0080.03712.00
5.4.00.0060.03511.49
5.3.290.0070.04012.80
5.3.280.0110.03912.71
5.3.270.0050.03812.72
5.3.260.0050.04512.72
5.3.250.0080.03812.72
5.3.240.0080.03512.72
5.3.230.0060.03612.71
5.3.220.0080.03312.68
5.3.210.0090.03612.68
5.3.200.0080.04112.68
5.3.190.0060.04312.67
5.3.180.0080.03612.67
5.3.170.0090.04312.67
5.3.160.0070.04012.68
5.3.150.0060.03712.67
5.3.140.0050.03812.66
5.3.130.0060.03912.66
5.3.120.0020.04312.66
5.3.110.0040.04012.66
5.3.100.0090.03712.13
5.3.90.0040.04112.11
5.3.80.0090.03212.10
5.3.70.0050.03612.10
5.3.60.0080.03712.08
5.3.50.0090.03312.04
5.3.40.0040.03712.04
5.3.30.0110.03911.99
5.3.20.0090.04311.77
5.3.10.0090.03311.74
5.3.00.0050.04011.72
5.2.170.0030.0329.23
5.2.160.0050.0299.22
5.2.150.0060.0289.22
5.2.140.0030.0319.22
5.2.130.0060.0279.18
5.2.120.0040.0299.18
5.2.110.0050.0299.19
5.2.100.0030.0299.18
5.2.90.0070.0279.18
5.2.80.0020.0339.18
5.2.70.0070.0289.18
5.2.60.0030.0329.13
5.2.50.0040.0309.09
5.2.40.0070.0269.08
5.2.30.0050.0319.06
5.2.20.0060.0309.05
5.2.10.0060.0308.95
5.2.00.0040.0308.81
5.1.60.0030.0248.09
5.1.50.0050.0228.09
5.1.40.0030.0348.07
5.1.30.0010.0288.42
5.1.20.0030.0268.45
5.1.10.0060.0288.16
5.1.00.0020.0308.17
5.0.50.0030.0256.66
5.0.40.0020.0206.51
5.0.30.0060.0296.33
5.0.20.0020.0206.29
5.0.10.0030.0206.27
5.0.00.0020.0366.26
4.4.90.0020.0164.78
4.4.80.0030.0184.76
4.4.70.0010.0204.75
4.4.60.0050.0164.75
4.4.50.0040.0174.77
4.4.40.0060.0254.71
4.4.30.0030.0154.76
4.4.20.0040.0144.84
4.4.10.0020.0164.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0040.0134.67
4.3.90.0050.0124.63
4.3.80.0020.0254.58
4.3.70.0020.0224.63
4.3.60.0030.0134.63
4.3.50.0040.0224.63
4.3.40.0020.0314.54
4.3.30.0030.0153.30
4.3.20.0050.0203.28
4.3.10.0020.0153.23
4.3.00.0200.0178.16

preferences:
41.22 ms | 401 KiB | 5 Q