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; //$tmp = &$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)
8.3.60.0110.00418.43
8.3.50.0090.01021.87
8.3.40.0070.00718.84
8.3.30.0070.00719.09
8.3.20.0040.00420.34
8.3.10.0050.00320.66
8.3.00.0050.00319.68
8.2.180.0120.00316.63
8.2.170.0170.00322.96
8.2.160.0170.00320.39
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.01126.16
8.2.120.0040.00421.95
8.2.110.0090.00020.30
8.2.100.0070.00318.03
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0030.00517.80
8.2.50.0000.01218.07
8.2.40.0050.00318.16
8.2.30.0000.00719.13
8.2.20.0000.00717.74
8.2.10.0050.00518.05
8.2.00.0080.00017.67
8.1.280.0130.00725.92
8.1.270.0000.00821.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00023.96
8.1.230.0090.00319.16
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0080.00017.23
8.1.180.0000.00718.10
8.1.170.0080.00018.69
8.1.160.0050.00221.92
8.1.150.0000.00718.88
8.1.140.0040.00417.39
8.1.130.0030.00317.79
8.1.120.0050.00217.43
8.1.110.0030.00617.45
8.1.100.0040.00417.34
8.1.90.0070.00417.41
8.1.80.0050.00217.36
8.1.70.0000.00717.32
8.1.60.0030.00517.46
8.1.50.0000.00717.49
8.1.40.0040.00417.40
8.1.30.0000.00917.62
8.1.20.0000.00717.55
8.1.10.0040.00417.54
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0030.00318.39
8.0.270.0000.00717.25
8.0.260.0000.00817.20
8.0.250.0070.00016.95
8.0.240.0000.00616.91
8.0.230.0040.00416.94
8.0.220.0030.00316.90
8.0.210.0000.00716.91
8.0.200.0030.00316.89
8.0.190.0030.00616.98
8.0.180.0050.00216.94
8.0.170.0000.00816.89
8.0.160.0030.00316.93
8.0.150.0000.00816.91
8.0.140.0030.00416.84
8.0.130.0030.00313.30
8.0.120.0040.00416.89
8.0.110.0020.00516.93
8.0.100.0040.00416.98
8.0.90.0040.00416.70
8.0.80.0070.01316.90
8.0.70.0000.00716.87
8.0.60.0040.00416.82
8.0.50.0040.00416.81
8.0.30.0090.01116.97
8.0.20.0090.01017.40
8.0.10.0030.00316.85
8.0.00.0130.00617.00
7.4.330.0030.00315.00
7.4.320.0060.00016.45
7.4.300.0030.00316.53
7.4.290.0080.00016.52
7.4.280.0030.00516.40
7.4.270.0000.00616.63
7.4.260.0030.00316.52
7.4.250.0030.00516.47
7.4.240.0030.00416.59
7.4.230.0040.00416.46
7.4.220.0040.01416.48
7.4.210.0120.00616.50
7.4.200.0000.00716.41
7.4.160.0130.00316.58
7.4.150.0120.00817.40
7.4.140.0120.00817.86
7.4.130.0120.00516.53
7.4.120.0090.00816.56
7.4.110.0070.01016.49
7.4.100.0110.00616.55
7.4.90.0030.01316.54
7.4.80.0120.00916.61
7.4.70.0090.00716.51
7.4.60.0030.01316.61
7.4.50.0030.00616.41
7.4.40.0090.00616.73
7.4.30.0060.00916.45
7.4.00.0000.01514.68
7.3.330.0050.00013.11
7.3.320.0060.00013.26
7.3.310.0000.00716.18
7.3.300.0030.00316.22
7.3.290.0030.01316.22
7.3.280.0100.00616.29
7.3.270.0140.00417.40
7.3.260.0100.00716.31
7.3.250.0050.01416.54
7.3.240.0080.00916.44
7.3.230.0140.00316.39
7.3.210.0110.01116.29
7.3.200.0130.00319.39
7.3.190.0100.00716.39
7.3.180.0100.00616.31
7.3.170.0070.01016.45
7.3.160.0060.00916.51
7.2.330.0030.01416.55
7.2.320.0030.01316.61
7.2.310.0060.01016.72
7.2.300.0150.00716.53
7.2.290.0120.00916.39
7.2.60.0040.01116.88
7.2.00.0100.01019.39
7.1.200.0100.00015.61
7.1.100.0100.00318.06
7.1.70.0030.00317.05
7.1.60.0110.01419.32
7.1.50.0100.01316.86
7.1.00.0030.07722.35
7.0.200.0030.00616.63
7.0.140.0000.07022.15
7.0.60.0130.07020.02
7.0.50.0130.07017.88
7.0.40.0030.04320.26
7.0.30.0630.06020.34
7.0.20.0300.05020.16
7.0.10.0030.08720.05
7.0.00.0100.05320.33
5.6.280.0030.07320.87
5.6.210.0130.08020.67
5.6.200.0100.07318.24
5.6.190.0070.04720.41
5.6.180.3230.04320.48
5.6.170.0270.08720.55
5.6.160.0200.05720.54
5.6.150.0100.07318.16
5.6.140.0030.04718.18
5.6.130.0000.07018.13
5.6.120.0030.04321.10
5.6.110.0170.07020.98
5.6.100.0100.07721.12
5.6.90.0070.04320.99
5.6.80.0070.07320.51
5.6.70.0470.06020.54
5.5.350.0370.06320.47
5.5.340.0070.07317.97
5.5.330.0100.04720.13
5.5.320.0230.04020.38
5.5.310.0230.04720.30
5.5.300.0130.05317.96
5.5.290.0070.08017.98
5.5.280.0100.07020.97
5.5.270.0000.05320.77
5.5.260.0130.07720.87
5.5.250.0070.08020.60
5.5.240.0270.07720.04
5.4.450.0830.06019.48
5.4.440.0700.06019.30
5.4.430.0600.06019.17
5.4.420.0170.06719.15
5.4.410.0830.05019.04
5.4.400.0130.05319.11
5.4.390.0200.07318.84
5.4.380.0500.07318.59
5.4.370.0300.05318.53
5.4.360.0330.05018.51
5.4.350.0270.06018.63
5.4.340.0330.05718.86
5.4.320.0060.03412.51
5.4.310.0070.03612.50
5.4.300.0040.03712.51
5.4.290.0050.04112.50
5.4.280.0070.03612.39
5.4.270.0080.03812.40
5.4.260.0060.03912.40
5.4.250.0100.03512.40
5.4.240.0050.03612.40
5.4.230.0050.03712.39
5.4.220.0070.04012.39
5.4.210.0080.03412.39
5.4.200.0060.04412.39
5.4.190.0090.04112.38
5.4.180.0060.03612.39
5.4.170.0080.03412.39
5.4.160.0040.03812.40
5.4.150.0030.03812.39
5.4.140.0070.03412.08
5.4.130.0070.03312.06
5.4.120.0090.03112.02
5.4.110.0080.03912.02
5.4.100.0040.03712.02
5.4.90.0060.04412.02
5.4.80.0040.03912.01
5.4.70.0060.03512.02
5.4.60.0060.03512.02
5.4.50.0050.03712.01
5.4.40.0040.03712.00
5.4.30.0090.03211.99
5.4.20.0060.03412.00
5.4.10.0100.03712.00
5.4.00.0040.03811.49
5.3.290.0080.04112.80
5.3.280.0070.03712.71
5.3.270.0060.05012.73
5.3.260.0070.03712.72
5.3.250.0040.03912.72
5.3.240.0080.03512.72
5.3.230.0050.03912.71
5.3.220.0070.03512.68
5.3.210.0050.03912.68
5.3.200.0060.04512.68
5.3.190.0070.03512.68
5.3.180.0060.04312.68
5.3.170.0050.04312.67
5.3.160.0070.03612.67
5.3.150.0090.03512.67
5.3.140.0060.04012.66
5.3.130.0050.04112.66
5.3.120.0050.04012.66
5.3.110.0080.03712.66
5.3.100.0060.03612.13
5.3.90.0060.03612.11
5.3.80.0060.04112.10
5.3.70.0050.03712.10
5.3.60.0080.03312.09
5.3.50.0080.03312.03
5.3.40.0050.03612.03
5.3.30.0090.03812.00
5.3.20.0050.04011.77
5.3.10.0060.03711.74
5.3.00.0070.03911.72
5.2.170.0070.0329.23
5.2.160.0060.0289.22
5.2.150.0030.0339.23
5.2.140.0080.0319.22
5.2.130.0070.0299.18
5.2.120.0060.0269.18
5.2.110.0060.0279.20
5.2.100.0060.0289.19
5.2.90.0050.0299.19
5.2.80.0050.0399.19
5.2.70.0070.0299.18
5.2.60.0080.0309.14
5.2.50.0040.0319.11
5.2.40.0030.0379.08
5.2.30.0040.0339.06
5.2.20.0000.0349.05
5.2.10.0100.0298.95
5.2.00.0050.0328.82
5.1.60.0040.0238.10
5.1.50.0060.0278.09
5.1.40.0080.0208.08
5.1.30.0040.0258.43
5.1.20.0020.0288.45
5.1.10.0060.0248.17
5.1.00.0100.0278.17
5.0.50.0040.0226.65
5.0.40.0050.0296.51
5.0.30.0030.0326.32
5.0.20.0020.0206.29
5.0.10.0030.0196.27
5.0.00.0050.0366.26
4.4.90.0040.0184.78
4.4.80.0050.0134.75
4.4.70.0010.0164.76
4.4.60.0010.0164.75
4.4.50.0030.0144.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.85
4.4.10.0030.0154.84
4.4.00.0010.0284.76
4.3.110.0020.0164.67
4.3.100.0010.0164.66
4.3.90.0010.0164.63
4.3.80.0040.0224.59
4.3.70.0030.0144.63
4.3.60.0040.0124.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0030.0253.30
4.3.20.0030.0153.28
4.3.10.0000.0173.23
4.3.00.0130.0178.16

preferences:
39.46 ms | 400 KiB | 5 Q