3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class_aliases = [ 'FooAlias' => 'Foo' ]; spl_autoload_register(function($class) { if (isset($class_aliases[$class])) { class_alias($class_aliases[$class], $class); var_dump($class); return true; } }); class Foo {} class Bar extends Foo {} class FooCreator { public function create(FooAlias $foo) { } } $foo = new Bar; $creator = new FooCreator(); $alias = new FooAlias; var_dump($alias); $creator->create($foo);

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)
8.3.60.0070.01016.72
8.3.50.0150.00321.99
8.3.40.0110.00418.76
8.3.30.0110.00418.84
8.3.20.0000.00821.95
8.3.10.0050.00323.39
8.3.00.0040.00419.38
8.2.180.0090.00925.92
8.2.170.0070.00719.04
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0060.00320.35
8.2.120.0080.00026.35
8.2.110.0030.00721.12
8.2.100.0080.00417.78
8.2.90.0060.00319.34
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0000.00717.93
8.2.50.0000.00918.07
8.2.40.0050.00319.46
8.2.30.0030.00720.62
8.2.20.0000.00917.74
8.2.10.0040.00418.04
8.2.00.0040.00418.00
8.1.280.0080.00825.92
8.1.270.0090.00023.82
8.1.260.0130.00726.35
8.1.250.0080.00028.09
8.1.240.0070.00423.86
8.1.230.0070.00420.94
8.1.220.0080.00017.77
8.1.210.0090.00018.77
8.1.200.0000.00917.23
8.1.190.0040.00417.71
8.1.180.0060.00318.10
8.1.170.0000.00818.50
8.1.160.0040.00422.07
8.1.150.0040.00418.77
8.1.140.0050.00319.58
8.1.130.0000.00717.63
8.1.120.0040.00417.55
8.1.110.0050.00217.45
8.1.100.0070.00317.35
8.1.90.0040.00417.49
8.1.80.0000.00717.43
8.1.70.0000.00717.36
8.1.60.0030.00517.61
8.1.50.0040.00417.41
8.1.40.0060.00617.41
8.1.30.0000.00917.69
8.1.20.0030.00617.63
8.1.10.0040.00417.59
8.1.00.0020.00517.45
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.45
8.0.270.0030.00317.11
8.0.260.0030.00317.26
8.0.250.0030.00416.90
8.0.240.0000.00716.95
8.0.230.0040.00416.97
8.0.220.0030.00316.90
8.0.210.0030.00316.91
8.0.200.0040.00416.88
8.0.190.0050.00317.02
8.0.180.0050.00216.99
8.0.170.0000.00716.88
8.0.160.0030.00316.90
8.0.150.0000.00716.90
8.0.140.0050.00216.82
8.0.130.0030.00313.46
8.0.120.0040.00416.95
8.0.110.0040.00416.96
8.0.100.0000.00716.97
8.0.90.0000.00716.83
8.0.80.0090.00916.93
8.0.70.0070.00017.07
8.0.60.0050.00216.84
8.0.50.0070.00016.91
8.0.30.0100.00817.00
8.0.20.0110.00817.40
8.0.10.0080.00017.13
8.0.00.0090.01116.78
7.4.330.0020.00216.69
7.4.320.0030.00316.50
7.4.300.0000.00616.57
7.4.290.0040.00416.46
7.4.280.0080.00016.52
7.4.270.0030.00516.65
7.4.260.0030.00316.46
7.4.250.0040.00416.48
7.4.240.0000.00716.60
7.4.230.0050.00316.64
7.4.220.0160.00416.40
7.4.210.0090.01216.69
7.4.200.0040.00416.70
7.4.160.0120.00316.58
7.4.150.0130.00417.40
7.4.140.0130.00517.86
7.4.130.0110.00916.61
7.4.120.0130.00716.53
7.4.110.0070.01016.39
7.4.100.0170.00316.48
7.4.90.0120.00616.65
7.4.80.0060.01219.39
7.4.70.0100.00616.66
7.4.60.0060.01016.72
7.4.50.0070.00716.68
7.4.40.0100.00616.49
7.4.30.0080.00916.47
7.4.00.0110.00614.98
7.3.330.0000.00513.23
7.3.320.0000.00513.16
7.3.310.0000.00916.43
7.3.300.0000.00716.37
7.3.290.0060.00916.35
7.3.280.0080.01116.30
7.3.270.0120.00617.40
7.3.260.0100.00716.38
7.3.250.0120.00916.45
7.3.240.0140.00616.41
7.3.230.0060.01216.50
7.3.210.0030.01416.56
7.3.200.0130.01016.50
7.3.190.0150.00016.56
7.3.180.0090.00616.42
7.3.170.0130.00316.39
7.3.160.0060.01116.41
7.3.120.0090.00915.06
7.3.110.0000.01714.84
7.3.100.0060.00615.01
7.3.90.0070.00714.57
7.3.80.0000.01015.09
7.3.70.0080.00014.95
7.3.60.0050.00314.64
7.3.50.0140.00014.78
7.3.40.0030.01014.89
7.3.30.0060.00614.74
7.3.20.0090.00916.57
7.3.10.0070.00716.65
7.3.00.0040.01116.45
7.2.330.0060.01216.78
7.2.320.0180.00916.79
7.2.310.0170.00016.85
7.2.300.0110.00616.82
7.2.290.0060.01516.39
7.2.250.0040.01115.21
7.2.240.0040.01514.90
7.2.230.0000.01014.93
7.2.220.0070.01115.20
7.2.210.0110.00414.84
7.2.200.0060.00914.82
7.2.190.0000.00915.16
7.2.180.0030.00715.00
7.2.170.0090.00614.78
7.2.60.0110.00416.72
7.2.00.0070.00719.49
7.1.330.0060.00315.55
7.1.320.0030.00915.80
7.1.310.0030.01315.55
7.1.300.0060.00615.83
7.1.290.0070.01015.41
7.1.280.0030.00615.68
7.1.270.0030.01515.80
7.1.260.0000.01315.49
7.1.200.0030.00915.81
7.1.100.0040.00818.03
7.1.70.0070.01316.75
7.1.60.0180.00719.36
7.1.50.0000.01116.52
7.1.00.0070.07322.34
7.0.200.0090.00016.63
7.0.60.0070.08019.92
7.0.50.0170.06717.87
7.0.40.0100.08020.09
7.0.30.0270.06720.08
7.0.20.0400.07720.33
7.0.10.0000.09320.20
7.0.00.0030.04320.23
5.6.280.0030.05020.82
5.6.210.0100.06320.49
5.6.200.0100.08318.19
5.6.190.0030.09320.52
5.6.180.0570.06320.50
5.6.170.0230.08020.52
5.6.160.0130.06720.52
5.6.150.0030.08718.19
5.6.140.0100.04718.18
5.6.130.0100.08018.14
5.6.120.0100.08021.10
5.6.110.0070.04020.98
5.6.100.0100.08020.92
5.6.90.0070.07721.14
5.6.80.0000.04720.31
5.5.350.0200.07720.45
5.5.340.0030.04317.98
5.5.330.0130.07720.27
5.5.320.0000.04020.35
5.5.310.0230.08320.22
5.5.300.0030.07717.97
5.5.290.0070.06717.98
5.5.280.0070.08320.86
5.5.270.0030.04020.90
5.5.260.0100.07720.96
5.5.250.0070.08720.70
5.5.240.0200.08020.29

preferences:
60.87 ms | 401 KiB | 5 Q