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)
8.5.10.0090.00917.34
8.5.00.0100.01220.02
8.4.150.0020.00014.05
8.4.140.0110.01217.39
8.4.130.0120.00917.92
8.4.120.0100.00620.49
8.4.110.0060.00322.38
8.4.100.0060.00417.70
8.4.90.0110.00922.70
8.4.80.0070.00219.41
8.4.70.0040.00417.88
8.4.60.0060.00318.79
8.4.50.0140.00620.27
8.4.40.0160.00319.39
8.4.30.0040.01418.62
8.4.20.0120.00819.57
8.4.10.0190.00019.32
8.3.280.0140.00918.43
8.3.270.0100.01016.63
8.3.260.0150.00516.73
8.3.250.0060.00218.84
8.3.240.0120.00916.47
8.3.230.0130.00816.44
8.3.220.0060.00220.87
8.3.210.0120.00718.54
8.3.200.0060.00316.62
8.3.190.0090.01017.19
8.3.180.0100.00816.61
8.3.170.0090.00917.05
8.3.160.0150.00320.32
8.3.150.0090.00917.39
8.3.140.0030.00517.21
8.3.130.0060.00918.38
8.3.120.0090.00920.55
8.3.110.0070.00416.62
8.3.100.0000.00916.43
8.3.90.0090.00618.20
8.3.80.0040.00817.97
8.3.70.0120.00616.63
8.3.60.0110.01116.25
8.3.50.0070.00724.61
8.3.40.0150.00020.27
8.3.30.0180.00318.45
8.3.20.0080.00020.76
8.3.10.0030.00520.34
8.3.00.0070.00020.47
8.2.290.0070.01120.57
8.2.280.0090.00518.44
8.2.270.0130.00617.34
8.2.260.0080.00016.74
8.2.250.0120.00318.43
8.2.240.0060.00319.07
8.2.230.0090.00620.94
8.2.220.0100.01024.06
8.2.210.0080.00026.77
8.2.200.0060.00316.63
8.2.190.0070.00716.58
8.2.180.0180.00318.18
8.2.170.0170.00722.96
8.2.160.0140.00021.06
8.2.150.0080.00424.18
8.2.140.0050.00224.66
8.2.130.0050.00326.16
8.2.120.0050.00226.16
8.2.110.0050.00521.04
8.2.100.0090.00317.72
8.2.90.0080.00018.22
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0080.00017.62
8.2.50.0050.00318.05
8.2.40.0020.00517.91
8.2.30.0000.00717.95
8.2.20.0000.00717.93
8.2.10.0000.00819.20
8.2.00.0040.00419.24
8.1.330.0060.00421.94
8.1.320.0110.00816.17
8.1.310.0070.00718.25
8.1.300.0060.00319.52
8.1.290.0060.00318.88
8.1.280.0110.00725.92
8.1.270.0030.00622.53
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00822.10
8.1.230.0000.01020.97
8.1.220.0030.00517.74
8.1.210.0080.00019.99
8.1.200.0040.00417.63
8.1.190.0050.00517.22
8.1.180.0050.00318.10
8.1.170.0040.00417.62
8.1.160.0070.00022.14
8.1.150.0040.00418.76
8.1.140.0020.00518.84
8.1.130.0040.00420.16
8.1.120.0070.00017.44
8.1.110.0030.00517.30
8.1.100.0030.00317.42
8.1.90.0000.00817.31
8.1.80.0050.00317.40
8.1.70.0070.00017.44
8.1.60.0000.00817.64
8.1.50.0000.00817.46
8.1.40.0050.00317.56
8.1.30.0000.00817.56
8.1.20.0040.00417.59
8.1.10.0040.00417.45
8.1.00.0030.00617.39
8.0.300.0000.00719.81
8.0.290.0100.00016.63
8.0.280.0000.00818.37
8.0.270.0060.00317.92
8.0.260.0030.00319.94
8.0.250.0000.00716.93
8.0.240.0000.00716.91
8.0.230.0040.00416.94
8.0.220.0030.00316.82
8.0.210.0000.00716.79
8.0.200.0060.00016.93
8.0.190.0060.00316.78
8.0.180.0030.00516.85
8.0.170.0000.00816.89
8.0.160.0070.00016.78
8.0.150.0040.00416.88
8.0.140.0000.00716.80
8.0.130.0030.00313.22
8.0.120.0000.00716.77
8.0.110.0040.00416.90
8.0.100.0000.00816.84
8.0.90.0030.00616.67
8.0.80.0090.00716.88
8.0.70.0000.00716.66
8.0.60.0070.00016.91
8.0.50.0040.00416.86
8.0.30.0070.01117.09
8.0.20.0130.00617.00
8.0.10.0040.00417.08
8.0.00.0050.01416.81
7.4.330.0020.00215.55
7.4.320.0030.00316.56
7.4.300.0060.00016.61
7.4.290.0070.00016.47
7.4.280.0050.00316.63
7.4.270.0030.00416.63
7.4.260.0030.00313.31
7.4.250.0030.00316.41
7.4.240.0020.00516.53
7.4.230.0040.00416.71
7.4.220.0020.00516.43
7.4.210.0050.00916.58
7.4.200.0050.00216.36
7.4.130.0150.00716.36
7.4.120.0030.01516.46
7.4.110.0060.01216.40
7.4.100.0090.00916.46
7.4.90.0140.00316.69
7.4.80.0090.00919.39
7.4.70.0130.00316.49
7.4.60.0110.01216.32
7.4.50.0110.00216.29
7.4.40.0000.01816.56
7.4.30.0060.01016.40
7.4.20.0060.00916.31
7.4.10.0080.01116.44
7.4.00.0090.00616.48
7.3.330.0040.00416.14
7.3.320.0000.00513.21
7.3.310.0030.00316.22
7.3.300.0070.00016.21
7.3.290.0090.00916.23
7.3.280.0000.01616.25
7.3.260.0070.01016.29
7.3.240.0080.00916.41
7.3.230.0030.01616.42
7.3.210.0170.00016.36
7.3.200.0130.00616.31
7.3.190.0110.00716.49
7.3.180.0150.00316.55
7.3.170.0100.00716.13
7.3.160.0060.01216.47
7.3.150.0060.00916.21
7.3.140.0060.01016.28
7.3.130.0000.01816.50
7.3.120.0100.00616.37
7.3.110.0080.01016.46
7.3.100.0100.00716.17
7.3.90.0120.00516.22
7.3.80.0120.00416.23
7.3.70.0110.00716.43
7.3.60.0090.00616.17
7.3.50.0040.01216.27
7.3.40.0070.00716.08
7.3.30.0070.01016.44
7.3.20.0110.01116.27
7.3.10.0150.00616.30
7.3.00.0080.01116.16
7.2.330.0030.01716.42
7.2.320.0080.00816.87
7.2.310.0120.01116.70
7.2.300.0090.00916.68
7.2.290.0110.00716.39
7.2.280.0090.00616.75
7.2.270.0110.01116.75
7.2.260.0080.00816.50
7.2.250.0080.00816.71
7.2.240.0100.01016.57
7.2.230.0070.01016.37
7.2.220.0070.00916.31
7.2.210.0060.00916.34
7.2.200.0030.01616.69
7.2.190.0050.01116.41
7.2.180.0090.01316.52
7.2.170.0130.00616.63
7.2.160.0160.00516.56
7.2.150.0030.01316.61
7.2.140.0180.00516.52
7.2.130.0120.00616.66
7.2.120.0090.01316.54
7.2.110.0100.00716.48
7.2.100.0110.00816.48
7.2.90.0120.01216.45
7.2.80.0140.00316.58
7.2.70.0080.01116.56
7.2.60.0130.00416.48
7.2.50.0100.00616.56
7.2.40.0040.01216.72
7.2.30.0140.00316.69
7.2.20.0140.00616.46
7.2.10.0080.01016.73
7.2.00.0040.01316.43

preferences:
36.54 ms | 403 KiB | 5 Q