3v4l.org

run code in 300+ PHP versions simultaneously
<?php $alias_list = []; $alias_autoloader = function($class_name) use (&$alias_list) { if (isset($alias_list[strtolower($class_name)])) { class_alias($alias_list[strtolower($class_name)], $class_name); return true; } }; $alias = function($from, $to) use (&$alias_list) { $alias_list[strtolower($to)] = $from; }; spl_autoload_register($alias_autoloader); class Foo { function test() { return get_class($this); } } $alias('Foo', 'Bar'); function hint_on_bar(Bar $bar) { return "worked"; } $b = new Foo; var_dump(hint_on_bar($b));

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)
8.3.70.0110.00316.38
8.3.60.0040.01116.61
8.3.50.0320.00821.98
8.3.40.0100.01019.01
8.3.30.0130.00318.73
8.3.20.0060.00320.39
8.3.10.0040.00423.66
8.3.00.0000.00819.50
8.2.190.0150.00016.63
8.2.180.0120.00918.66
8.2.170.0120.00322.96
8.2.160.0030.01020.30
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00020.38
8.2.120.0040.00426.35
8.2.110.0030.00621.97
8.2.100.0120.00017.75
8.2.90.0040.00419.36
8.2.80.0030.00617.97
8.2.70.0000.00817.59
8.2.60.0000.00918.05
8.2.50.0040.00418.07
8.2.40.0060.00319.27
8.2.30.0040.00420.69
8.2.20.0030.00617.79
8.2.10.0000.00818.19
8.2.00.0040.00418.13
8.1.280.0070.01425.92
8.1.270.0030.00523.96
8.1.260.0020.00528.09
8.1.250.0000.00828.09
8.1.240.0030.00722.55
8.1.230.0080.00417.42
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0080.00017.23
8.1.190.0040.00417.57
8.1.180.0040.00418.10
8.1.170.0050.00318.66
8.1.160.0000.00722.09
8.1.150.0050.00218.90
8.1.140.0070.00319.59
8.1.130.0000.00717.64
8.1.120.0030.00317.37
8.1.110.0040.00317.52
8.1.100.0040.00417.46
8.1.90.0040.00417.46
8.1.80.0070.00017.41
8.1.70.0030.00317.40
8.1.60.0050.00217.58
8.1.50.0040.00417.43
8.1.40.0040.00417.57
8.1.30.0030.00617.60
8.1.20.0000.00817.49
8.1.10.0040.00417.57
8.1.00.0050.00317.59
8.0.300.0030.00718.77
8.0.290.0000.00816.88
8.0.280.0000.00718.45
8.0.270.0070.00017.30
8.0.260.0000.00817.30
8.0.250.0070.00017.01
8.0.240.0000.00716.86
8.0.230.0000.00717.01
8.0.220.0030.00316.88
8.0.210.0000.00716.94
8.0.200.0030.00316.89
8.0.190.0080.00016.91
8.0.180.0040.00417.04
8.0.170.0040.00416.88
8.0.160.0000.00817.00
8.0.150.0050.00216.90
8.0.140.0080.00016.96
8.0.130.0000.00713.38
8.0.120.0040.00416.91
8.0.110.0050.00217.02
8.0.100.0030.00516.97
8.0.90.0070.00016.94
8.0.80.0120.00417.00
8.0.70.0080.00016.82
8.0.60.0040.00416.83
8.0.50.0050.00216.86
8.0.30.0070.01317.00
8.0.20.0110.00817.40
8.0.10.0040.00417.14
8.0.00.0120.00816.98
7.4.330.0000.00416.71
7.4.320.0000.00716.52
7.4.300.0030.00316.51
7.4.290.0030.00316.59
7.4.280.0080.00016.45
7.4.270.0030.00316.55
7.4.260.0000.00716.59
7.4.250.0040.00416.57
7.4.240.0000.00716.65
7.4.230.0000.00716.68
7.4.220.0000.01916.64
7.4.210.0040.01416.70
7.4.200.0030.00316.70
7.4.160.0120.00316.61
7.4.150.0070.01017.40
7.4.140.0110.01317.86
7.4.130.0100.00716.50
7.4.120.0070.01216.62
7.4.110.0170.00016.32
7.4.100.0060.01616.63
7.4.90.0070.01016.60
7.4.80.0110.01119.39
7.4.70.0140.00316.37
7.4.60.0060.01616.66
7.4.50.0000.01316.34
7.4.40.0100.00616.55
7.4.30.0130.00716.61
7.4.00.0090.00615.17
7.3.330.0060.00313.30
7.3.320.0050.00013.42
7.3.310.0030.00316.29
7.3.300.0030.00316.30
7.3.290.0040.01016.45
7.3.280.0080.00816.44
7.3.270.0090.01517.40
7.3.260.0040.01316.62
7.3.250.0110.00816.51
7.3.240.0060.01116.42
7.3.230.0090.00916.64
7.3.210.0070.01116.55
7.3.200.0090.00916.66
7.3.190.0130.00316.50
7.3.180.0060.01216.30
7.3.170.0160.00616.44
7.3.160.0070.01116.44
7.2.330.0090.00916.77
7.2.320.0110.00616.57
7.2.310.0090.00916.70
7.2.300.0130.00316.43
7.2.290.0080.00816.76
7.2.80.0100.00316.68
7.2.60.0040.01117.08
7.1.200.0030.00915.97
7.1.100.0600.00410.05
7.1.70.0050.00217.25
7.1.60.0170.00719.36
7.1.50.0040.00716.70
7.1.00.0070.07322.34
7.0.200.0040.00416.78
7.0.60.0230.04020.01
7.0.50.0100.05718.00
7.0.40.0070.08720.15
7.0.30.0300.03720.24
7.0.20.0330.07020.08
7.0.10.0130.08020.08
7.0.00.0070.05320.20
5.6.280.0030.04021.09
5.6.210.0030.07720.77
5.6.200.0000.05318.15
5.6.190.0070.06320.57
5.6.180.0500.06320.43
5.6.170.0270.05020.54
5.6.160.0100.08020.54
5.6.150.0030.08318.29
5.6.140.0100.06318.18
5.6.130.0100.07718.15
5.6.120.0130.07721.01
5.6.110.0100.07721.13
5.6.100.0030.04720.95
5.6.90.0100.07321.11
5.6.80.0000.06320.42
5.5.350.0270.06320.45
5.5.340.0070.05018.08
5.5.330.0170.07320.20
5.5.320.0000.08320.35
5.5.310.0300.04720.35
5.5.300.0100.05718.04
5.5.290.0100.07717.98
5.5.280.0100.08320.89
5.5.270.0030.08720.74
5.5.260.0070.08320.88
5.5.250.0070.08020.63
5.5.240.0230.07020.20

preferences:
67.66 ms | 401 KiB | 5 Q