3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SomeObject { private $name; public function __construct($name) { $this->name = $name; } } class SomeClass1 { private $object; public function __construct($object) { $this->object = &$object; } public function getObject() { return $this->object; } } class SomeClass2 { private $object; public function __construct(&$object) { $this->object = &$object; } public function getObject() { return $this->object; } } $object1 = new SomeObject('obj1'); $object2 = new SomeObject('obj2'); $someClass1 = new SomeClass1($object1); $someClass2 = new SomeClass2($object2); $object1 = null; $object2 = null; var_dump($someClass1->getObject()); var_dump($someClass2->getObject()); var_dump($object1); var_dump($object2);

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)
8.5.10.0100.00917.45
8.5.00.0130.01020.18
8.4.160.0130.00823.79
8.4.150.0030.00014.05
8.4.140.0140.00717.40
8.4.130.0130.00917.64
8.4.120.0140.00620.34
8.4.110.0110.00622.66
8.4.100.0130.00817.51
8.4.90.0110.01022.73
8.4.80.0140.00619.59
8.4.70.0130.00717.88
8.4.60.0060.00518.92
8.4.50.0100.00920.42
8.4.40.0060.01019.21
8.4.30.0030.01218.59
8.4.20.0100.01019.61
8.4.10.0130.00319.64
8.3.280.0110.00918.32
8.3.270.0110.00916.66
8.3.260.0120.00516.70
8.3.250.0120.00719.05
8.3.240.0100.00916.45
8.3.230.0120.00716.74
8.3.220.0110.00718.87
8.3.210.0100.00818.11
8.3.200.0060.00316.43
8.3.190.0130.00517.08
8.3.180.0130.00616.44
8.3.170.0070.01117.37
8.3.160.0140.00319.96
8.3.150.0030.00519.01
8.3.140.0080.00017.22
8.3.130.0060.00318.29
8.3.120.0140.00720.57
8.3.110.0090.00316.48
8.3.100.0100.00616.49
8.3.90.0050.00318.46
8.3.80.0030.00618.18
8.3.70.0210.00716.63
8.3.60.0100.01016.63
8.3.50.0080.01024.37
8.3.40.0150.00320.37
8.3.30.0110.01118.63
8.3.20.0050.00320.82
8.3.10.0000.00820.39
8.3.00.0080.00020.67
8.2.290.0120.00720.50
8.2.280.0070.01218.25
8.2.270.0090.00617.00
8.2.260.0140.00416.43
8.2.250.0160.00316.69
8.2.240.0040.00419.14
8.2.230.0080.00020.94
8.2.220.0040.00424.06
8.2.210.0080.00026.77
8.2.200.0030.00616.88
8.2.190.0100.01016.75
8.2.180.0090.00618.43
8.2.170.0060.01522.96
8.2.160.0040.01121.04
8.2.150.0080.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00726.16
8.2.110.0060.00320.88
8.2.100.0040.00817.66
8.2.90.0040.00418.16
8.2.80.0040.00417.97
8.2.70.0060.00317.61
8.2.60.0000.00817.50
8.2.50.0040.00418.05
8.2.40.0050.00318.05
8.2.30.0040.00418.01
8.2.20.0040.00418.12
8.2.10.0000.00719.31
8.2.00.0050.00219.19
8.1.330.0070.00221.75
8.1.320.0090.01016.26
8.1.310.0080.00018.59
8.1.300.0060.00617.85
8.1.290.0050.00518.88
8.1.280.0110.00725.92
8.1.270.0040.00422.53
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00622.14
8.1.230.0000.01222.65
8.1.220.0050.00317.74
8.1.210.0000.00819.82
8.1.200.0040.00417.54
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0080.00017.62
8.1.160.0040.00322.16
8.1.150.0000.00818.86
8.1.140.0040.00418.83
8.1.130.0060.00321.85
8.1.120.0080.00017.35
8.1.110.0000.00717.44
8.1.100.0060.00317.40
8.1.90.0070.00017.41
8.1.80.0040.00417.38
8.1.70.0000.00717.46
8.1.60.0000.00817.63
8.1.50.0030.00517.45
8.1.40.0060.00317.58
8.1.30.0050.00317.50
8.1.20.0040.00417.67
8.1.10.0040.00417.51
8.1.00.0030.00517.36
8.0.300.0050.00320.09
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0000.00718.00
8.0.260.0000.00620.09
8.0.250.0070.00016.92
8.0.240.0030.00316.96
8.0.230.0070.00016.88
8.0.220.0000.00716.89
8.0.210.0000.00716.75
8.0.200.0050.00316.94
8.0.190.0040.00416.86
8.0.180.0000.00816.80
8.0.170.0040.00416.87
8.0.160.0070.00016.87
8.0.150.0040.00416.79
8.0.140.0000.00716.80
8.0.130.0050.00013.24
8.0.120.0000.00716.84
8.0.110.0050.00216.75
8.0.100.0040.00416.84
8.0.90.0000.00916.65
8.0.80.0130.00416.76
8.0.70.0050.00316.85
8.0.60.0070.00016.79
8.0.50.0070.00016.79
8.0.30.0130.00416.94
8.0.20.0200.01217.01
8.0.10.0070.00017.08
8.0.00.0080.00816.73
7.4.330.0050.00015.55
7.4.320.0030.00316.54
7.4.300.0030.00316.62
7.4.290.0030.00316.62
7.4.280.0050.00316.62
7.4.270.0000.00716.47
7.4.260.0030.00313.30
7.4.250.0050.00316.62
7.4.240.0040.00416.47
7.4.230.0030.00316.71
7.4.220.0050.00216.67
7.4.210.0060.01016.62
7.4.200.0000.00716.32
7.4.130.0130.01016.54
7.4.120.0160.00316.37
7.4.110.0060.01116.44
7.4.100.0170.00016.45
7.4.90.0100.00716.64
7.4.80.0090.00919.39
7.4.70.0100.00616.31
7.4.60.0060.01016.59
7.4.50.0080.01116.48
7.4.40.0110.00716.42
7.4.30.0110.00416.29
7.4.20.0050.01116.39
7.4.10.0110.00716.22
7.4.00.0140.00916.38
7.3.330.0030.00316.07
7.3.320.0030.00313.09
7.3.310.0030.00316.16
7.3.300.0000.00716.20
7.3.290.0070.01016.24
7.3.280.0050.01316.21
7.3.260.0030.01416.45
7.3.240.0110.00816.35
7.3.230.0150.00316.23
7.3.210.0040.01416.35
7.3.200.0180.00016.25
7.3.190.0120.00316.32
7.3.180.0100.00716.52
7.3.170.0070.01016.32
7.3.160.0060.00916.18
7.3.150.0070.00716.26
7.3.140.0090.00916.27
7.3.130.0100.00616.26
7.3.120.0150.00716.54
7.3.110.0130.00316.09
7.3.100.0030.01216.54
7.3.90.0110.00416.50
7.3.80.0060.00916.04
7.3.70.0040.01116.25
7.3.60.0100.00616.28
7.3.50.0090.00616.39
7.3.40.0090.00616.38
7.3.30.0060.00916.36
7.3.20.0040.01116.37
7.3.10.0120.00316.32
7.3.00.0090.00616.39
7.2.330.0160.01016.37
7.2.320.0100.00716.35
7.2.310.0080.01116.54
7.2.300.0110.01116.80
7.2.290.0110.00516.65
7.2.280.0130.00316.66
7.2.270.0090.00916.75
7.2.260.0030.01216.55
7.2.250.0090.00616.71
7.2.240.0060.01016.38
7.2.230.0060.00916.59
7.2.220.0100.00716.18
7.2.210.0030.01216.71
7.2.200.0090.00616.50
7.2.190.0090.00616.63
7.2.180.0060.00916.70
7.2.170.0030.01216.48
7.2.160.0090.00616.39
7.2.150.0710.01016.73
7.2.140.0090.00916.52
7.2.130.0060.00916.63
7.2.120.0060.01016.63
7.2.110.0140.00316.49
7.2.100.0080.00816.70
7.2.90.0080.00816.56
7.2.80.0080.00816.70
7.2.70.0100.00616.52
7.2.60.0090.00616.47
7.2.50.0060.01116.58
7.2.40.0030.01216.79
7.2.30.0090.00616.57
7.2.20.0080.00816.35
7.2.10.0100.00616.56
7.2.00.0080.00816.49

preferences:
170.12 ms | 403 KiB | 5 Q