3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class_aliases = [ 'FooAlias' => 'Foo' ]; spl_autoload_register(function($class) use ($class_aliases) { if (isset($class_aliases[$class])) { class_alias($class_aliases[$class], $class); return true; } }); class Foo {} class Bar extends Foo {} class FooCreator { public function create(FooAlias $foo) { } } $foo = new Bar; $creator = new FooCreator(); FooAlias::class; $creator->create($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)
8.3.60.0180.00316.88
8.3.50.0070.01118.05
8.3.40.0110.00718.77
8.3.30.0150.00018.85
8.3.20.0080.00020.39
8.3.10.0000.00823.70
8.3.00.0070.00319.50
8.2.180.0070.01125.92
8.2.170.0140.00718.91
8.2.160.0100.00320.23
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0060.00320.42
8.2.120.0000.00826.35
8.2.110.0100.00020.38
8.2.100.0070.00617.86
8.2.90.0080.00017.88
8.2.80.0040.00418.90
8.2.70.0080.00017.75
8.2.60.0000.00817.75
8.2.50.0000.00817.63
8.2.40.0040.00419.25
8.2.30.0000.00820.52
8.2.20.0090.00017.69
8.2.10.0040.00418.14
8.2.00.0000.00818.25
8.1.280.0070.00725.92
8.1.270.0000.00820.67
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0030.00620.95
8.1.230.0040.00820.89
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.36
8.1.190.0040.00417.38
8.1.180.0040.00418.10
8.1.170.0080.00018.51
8.1.160.0000.00722.09
8.1.150.0050.00218.91
8.1.140.0000.00819.48
8.1.130.0040.00417.71
8.1.120.0030.00517.56
8.1.110.0030.00517.50
8.1.100.0040.00417.54
8.1.90.0080.00017.47
8.1.80.0000.00717.50
8.1.70.0030.00517.36
8.1.60.0050.00317.54
8.1.50.0090.00017.63
8.1.40.0040.00817.58
8.1.30.0030.00517.68
8.1.20.0060.00317.63
8.1.10.0040.00417.62
8.1.00.0080.00017.55
8.0.300.0040.00418.78
8.0.290.0060.00316.75
8.0.280.0040.00418.45
8.0.270.0030.00316.75
8.0.260.0030.00517.21
8.0.250.0070.00016.98
8.0.240.0030.00316.87
8.0.230.0000.00717.00
8.0.220.0000.00716.89
8.0.210.0070.00016.95
8.0.200.0060.00017.02
8.0.190.0040.00416.92
8.0.180.0040.00416.98
8.0.170.0040.00417.00
8.0.160.0080.00016.96
8.0.150.0000.00716.88
8.0.140.0040.00416.85
8.0.130.0060.00013.39
8.0.120.0080.00016.89
8.0.110.0070.00016.79
8.0.100.0000.00816.98
8.0.90.0000.00717.04
8.0.80.0090.00616.93
8.0.70.0080.00016.95
8.0.60.0000.00717.09
8.0.50.0040.00416.91
8.0.30.0110.00717.30
8.0.20.0080.01217.40
8.0.10.0040.00417.04
8.0.00.0100.01116.63
7.4.330.0050.00016.69
7.4.320.0000.00616.54
7.4.300.0060.00016.53
7.4.290.0000.00716.63
7.4.280.0050.00316.66
7.4.270.0030.00316.54
7.4.260.0030.00316.60
7.4.250.0040.00416.40
7.4.240.0010.00616.66
7.4.230.0070.00016.65
7.4.220.0120.00616.62
7.4.210.0080.00916.63
7.4.200.0040.00416.63
7.4.160.0080.00816.56
7.4.150.0090.00917.40
7.4.140.0170.00717.86
7.4.130.0130.00816.59
7.4.120.0090.00916.70
7.4.110.0150.00316.53
7.4.100.0160.00316.73
7.4.90.0040.01416.60
7.4.80.0140.00319.39
7.4.70.0080.00816.67
7.4.60.0080.00816.55
7.4.50.0030.01316.59
7.4.40.0090.00616.34
7.4.30.0100.00716.70
7.4.00.0090.00614.85
7.3.330.0000.00613.24
7.3.320.0000.00513.25
7.3.310.0040.00416.24
7.3.300.0000.00716.38
7.3.290.0060.01016.35
7.3.280.0110.00816.38
7.3.270.0120.00617.40
7.3.260.0130.00816.59
7.3.250.0070.01316.47
7.3.240.0100.00916.46
7.3.230.0120.00616.43
7.3.210.0170.00016.42
7.3.200.0070.01316.37
7.3.190.0100.01016.30
7.3.180.0120.00316.47
7.3.170.0060.01616.50
7.3.160.0150.00016.47
7.2.330.0120.00916.71
7.2.320.0030.01516.41
7.2.310.0060.01016.80
7.2.300.0060.01516.75
7.2.290.0090.00916.58
7.2.60.0130.00016.66
7.2.00.0040.00719.13
7.1.200.0080.00415.63
7.1.100.0090.00617.97
7.1.70.0190.00016.74
7.1.60.0140.01119.36
7.1.50.0100.00716.81
7.1.00.0030.07722.24
7.0.200.0000.01016.46
7.0.60.0030.08719.93
7.0.50.0100.07717.87
7.0.40.0170.08020.13
7.0.30.0230.08320.28
7.0.20.0470.07020.08
7.0.10.0070.05720.23
7.0.00.0030.04320.09
5.6.280.0070.07320.83
5.6.210.0070.07020.53
5.6.200.0030.08718.29
5.6.190.0070.05320.62
5.6.180.0430.08020.47
5.6.170.0270.03720.45
5.6.160.0100.08020.62
5.6.150.0030.05018.19
5.6.140.0000.04318.12
5.6.130.0070.08718.19
5.6.120.0100.08021.15
5.6.110.0100.08021.04
5.6.100.0130.07320.97
5.6.90.0070.07020.97
5.6.80.0030.08020.36
5.5.350.0130.08320.46
5.5.340.0070.05018.09
5.5.330.0070.05020.43
5.5.320.0130.03720.33
5.5.310.0230.04320.29
5.5.300.0070.08318.08
5.5.290.0170.05017.98
5.5.280.0100.07320.99
5.5.270.0000.08720.65
5.5.260.0030.08320.88
5.5.250.0030.06020.70
5.5.240.0130.04320.38

preferences:
39.78 ms | 400 KiB | 5 Q