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; $tmp = &$foo->obj; $zoo->setObj(&$tmp); $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)
5.4.320.0070.03812.52
5.4.310.0070.03712.52
5.4.300.0050.03612.52
5.4.290.0050.03812.51
5.4.280.0060.03612.41
5.4.270.0070.03512.41
5.4.260.0060.03712.41
5.4.250.0070.04212.41
5.4.240.0070.03812.41
5.4.230.0020.04112.40
5.4.220.0040.03912.40
5.4.210.0050.03612.40
5.4.200.0070.04112.40
5.4.190.0050.03912.40
5.4.180.0040.03812.40
5.4.170.0070.03612.41
5.4.160.0080.03412.40
5.4.150.0050.03812.40
5.4.140.0040.03912.09
5.4.130.0050.03612.07
5.4.120.0070.03412.03
5.4.110.0070.03312.03
5.4.100.0070.03512.03
5.4.90.0040.04112.03
5.4.80.0050.03712.03
5.4.70.0070.03612.02
5.4.60.0080.04012.02
5.4.50.0070.03512.02
5.4.40.0040.03512.01
5.4.30.0060.03512.00
5.4.20.0070.03412.01
5.4.10.0070.03212.01
5.4.00.0050.03611.50
5.3.290.0090.03812.80
5.3.280.0080.03512.71
5.3.270.0050.04612.72
5.3.260.0070.03812.72
5.3.250.0070.03612.72
5.3.240.0090.03612.72
5.3.230.0070.03712.71
5.3.220.0070.03612.68
5.3.210.0070.03812.68
5.3.200.0050.03712.68
5.3.190.0070.03612.68
5.3.180.0040.03812.67
5.3.170.0080.03412.67
5.3.160.0070.03512.67
5.3.150.0070.03612.67
5.3.140.0050.03712.66
5.3.130.0070.03912.66
5.3.120.0050.03912.66
5.3.110.0050.03812.66
5.3.100.0060.03612.13
5.3.90.0070.03512.11
5.3.80.0040.03912.10
5.3.70.0080.03512.10
5.3.60.0070.03512.09
5.3.50.0040.03812.03
5.3.40.0060.03812.03
5.3.30.0050.03611.99
5.3.20.0080.03311.77
5.3.10.0050.03611.73
5.3.00.0070.03911.72
5.2.170.0070.0299.22
5.2.160.0050.0289.22
5.2.150.0040.0329.22
5.2.140.0040.0329.22
5.2.130.0050.0289.18
5.2.120.0040.0299.18
5.2.110.0050.0299.19
5.2.100.0070.0299.19
5.2.90.0040.0309.19
5.2.80.0070.0349.18
5.2.70.0070.0349.18
5.2.60.0040.0319.13
5.2.50.0050.0309.10
5.2.40.0070.0269.08
5.2.30.0040.0319.05
5.2.20.0060.0279.04
5.2.10.0040.0298.95
5.2.00.0070.0278.81
5.1.60.0040.0258.10
5.1.50.0030.0278.09
5.1.40.0030.0258.07
5.1.30.0050.0258.43
5.1.20.0070.0268.45
5.1.10.0070.0248.17
5.1.00.0040.0288.17
5.0.50.0020.0216.65
5.0.40.0040.0216.51
5.0.30.0040.0326.32
5.0.20.0050.0216.29
5.0.10.0040.0186.26
5.0.00.0040.0306.26
4.4.90.0040.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0144.75
4.4.60.0040.0154.75
4.4.50.0030.0174.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0020.0164.85
4.4.10.0030.0174.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0010.0164.66
4.3.90.0060.0154.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0274.54
4.3.30.0020.0163.30
4.3.20.0010.0183.28
4.3.10.0030.0153.23
4.3.00.0030.0237.55

preferences:
142.82 ms | 1394 KiB | 7 Q