3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Container { /** @var \stdClass|null */ public $referencedProperty; public function __clone() { $this->referencedProperty = clone $this->referencedProperty; } } $references = []; $container = new Container(); $loadFieldByReference = function (& $referencedProperty) use (& $references) { $referencedProperty = new \stdClass(); $references[] = & $referencedProperty; }; $loadFieldByReference($container->referencedProperty); $container->referencedProperty->publicProperty = 123; $clone = clone $container; $clone->referencedProperty->publicProperty = 234; echo $container->referencedProperty->publicProperty, "\n"; echo $clone->referencedProperty->publicProperty, "\n"; echo $container->referencedProperty === $clone->referencedProperty ? "same\n" : "not same\n"; ?>

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)
8.3.60.0110.00716.63
8.3.50.0220.00016.28
8.3.40.0120.00318.83
8.3.30.0110.00418.67
8.3.20.0000.00720.13
8.3.10.0040.00421.91
8.3.00.0060.00323.48
8.2.180.0120.00318.40
8.2.170.0040.01122.96
8.2.160.0090.00620.35
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0110.00321.04
8.2.120.0040.00426.35
8.2.110.0060.00322.11
8.2.100.0000.01118.28
8.2.90.0000.00820.07
8.2.80.0040.00417.97
8.2.70.0000.00917.93
8.2.60.0030.00518.16
8.2.50.0050.00318.10
8.2.40.0080.00020.47
8.2.30.0040.00419.39
8.2.20.0040.00418.01
8.2.10.0090.00018.13
8.2.00.0040.00418.02
8.1.280.0100.01025.92
8.1.270.0100.01023.83
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00622.25
8.1.230.0040.01119.12
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0000.00818.63
8.1.160.0030.00618.84
8.1.150.0050.00218.82
8.1.140.0000.00718.96
8.1.130.0030.00318.90
8.1.120.0000.00717.50
8.1.110.0040.00417.36
8.1.100.0020.00517.36
8.1.90.0040.00417.36
8.1.80.0040.00417.38
8.1.70.0070.00017.33
8.1.60.0080.00017.59
8.1.50.0000.00717.54
8.1.40.0030.00617.58
8.1.30.0040.00417.66
8.1.20.0040.00417.69
8.1.10.0000.00717.50
8.1.00.0080.00017.51
8.0.300.0030.00519.50
8.0.290.0030.00516.63
8.0.280.0030.00318.42
8.0.270.0000.00717.22
8.0.260.0000.00816.82
8.0.250.0070.00016.86
8.0.240.0000.00717.02
8.0.230.0040.00417.00
8.0.220.0000.00716.91
8.0.210.0040.00416.84
8.0.200.0030.00316.88
8.0.190.0030.00517.02
8.0.180.0050.00316.95
8.0.170.0000.00816.82
8.0.160.0040.00416.88
8.0.150.0070.00016.90
8.0.140.0000.00816.77
8.0.130.0000.00513.29
8.0.120.0080.00016.80
8.0.110.0000.00916.89
8.0.100.0000.00716.92
8.0.90.0050.00316.96
8.0.80.0100.01016.79
8.0.70.0040.00416.92
8.0.60.0030.00516.73
8.0.50.0000.00716.94
8.0.30.0080.00817.06
8.0.20.0130.00517.41
8.0.10.0030.00317.06
8.0.00.0060.01216.63
7.4.330.0050.00015.55
7.4.320.0040.00416.60
7.4.300.0030.00316.51
7.4.290.0040.00416.60
7.4.280.0040.00416.51
7.4.270.0030.00316.52
7.4.260.0050.00316.52
7.4.250.0040.00416.58
7.4.240.0030.00316.37
7.4.230.0050.00216.44
7.4.220.0060.01116.48
7.4.210.0080.00916.63
7.4.200.0040.00416.69
7.4.160.0110.00616.47
7.4.150.0090.00917.40
7.4.140.0130.01117.86
7.4.130.0060.01216.48
7.4.120.0100.01316.50
7.4.110.0100.00716.48
7.4.100.0030.01316.48
7.4.90.0110.00616.54
7.4.80.0090.00619.39
7.4.70.0090.01116.53
7.4.60.0120.00616.56
7.4.50.0060.00616.54
7.4.40.0030.01316.45
7.4.30.0110.00616.40
7.4.00.0040.00915.06
7.3.330.0030.00313.36
7.3.320.0030.00313.34
7.3.310.0020.00516.23
7.3.300.0030.00316.43
7.3.290.0040.00216.38
7.3.280.0090.00816.35
7.3.270.0090.00917.40
7.3.260.0080.01116.53
7.3.250.0120.00716.45
7.3.240.0080.01116.53
7.3.230.0090.00916.39
7.3.210.0060.01216.51
7.3.200.0100.01316.65
7.3.190.0120.00816.39
7.3.180.0030.01216.62
7.3.170.0090.00916.42
7.3.160.0030.01316.45
7.3.120.0040.01514.75
7.3.110.0110.00714.83
7.3.100.0070.00714.64
7.3.90.0030.01514.70
7.3.80.0000.01515.02
7.3.70.0170.00014.66
7.3.60.0060.00814.84
7.3.50.0090.00614.73
7.3.40.0130.00314.78
7.3.30.0040.00814.85
7.3.20.0060.00316.54
7.3.10.0020.01116.72
7.3.00.0040.01216.69
7.2.330.0140.00616.78
7.2.320.0150.00416.78
7.2.310.0150.00716.82
7.2.300.0060.01016.48
7.2.290.0060.00916.38
7.2.250.0100.00615.32
7.2.240.0120.00315.26
7.2.230.0000.01315.21
7.2.220.0030.00614.96
7.2.210.0100.00715.16
7.2.200.0030.00915.13
7.2.190.0040.00715.12
7.2.180.0030.00914.94
7.2.170.0000.01015.10
7.2.130.0070.00716.89
7.2.120.0050.00616.74
7.2.110.0050.00716.56
7.2.100.0070.00416.71
7.2.90.0050.00916.83
7.2.80.0020.01016.90
7.2.70.0030.00817.04
7.2.60.0090.00416.99
7.2.50.0110.00317.02
7.2.40.0070.00517.07
7.2.30.0030.01217.04
7.2.20.0050.00517.08
7.2.10.0060.01017.05
7.2.00.0080.00717.95
7.1.330.0070.00715.87
7.1.320.0100.00315.70
7.1.310.0040.01115.67
7.1.300.0060.00915.82
7.1.290.0100.00715.67
7.1.280.0030.01015.82
7.1.270.0060.00615.59
7.1.260.0000.01515.77
7.1.250.0070.00315.88
7.1.240.0040.01115.80
7.1.230.0060.01015.70
7.1.220.0060.00915.88
7.1.210.0070.00715.57
7.1.200.0110.00415.88
7.1.190.0110.00315.55
7.1.180.0080.00315.93
7.1.170.0100.00615.73
7.1.160.0090.00615.53
7.1.150.0000.01515.58
7.1.140.0040.01115.95
7.1.130.0040.00815.85
7.1.120.0050.01017.26
7.1.110.0050.01316.95
7.1.100.0030.01117.03
7.1.90.0090.00817.19
7.1.80.0030.01317.01
7.1.70.0060.01116.45
7.1.60.0110.01325.46
7.1.50.0150.01225.26
7.1.40.0140.00925.06
7.1.30.0130.00525.11
7.1.20.0120.01025.41
7.1.10.0060.00816.21
7.1.00.0060.00616.27
5.6.380.0040.00714.27

preferences:
58.06 ms | 400 KiB | 5 Q