3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); enum Foo: int { case Bar = 1; } var_dump(is_subclass_of(Foo::class, \IntBackedEnum::class)); var_dump(is_subclass_of(Foo::class, \StringBackedEnum::class)); var_dump((new ReflectionEnum(Foo::class))->getBackingType()->getName()); enum Bar: string { case Foo = 'foo'; } var_dump(is_subclass_of(Bar::class, \IntBackedEnum::class)); var_dump(is_subclass_of(Bar::class, \StringBackedEnum::class)); var_dump((new ReflectionEnum(Bar::class))->getBackingType()->getName()); enum Foobar { case Foobar; } var_dump(is_subclass_of(Foobar::class, \IntBackedEnum::class)); var_dump(is_subclass_of(Foobar::class, \StringBackedEnum::class)); var_dump((new ReflectionEnum(Foobar::class))->getBackingType()->getName());

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)
8.5.10.0090.00819.50
8.5.00.0180.00720.12
8.4.160.0090.01323.75
8.4.150.0030.00014.05
8.4.140.0110.01117.78
8.4.130.0150.00617.74
8.4.120.0110.00924.33
8.4.110.0140.00918.64
8.4.100.0070.00617.82
8.4.90.0060.00418.11
8.4.80.0030.00518.11
8.4.70.0140.00717.85
8.4.60.0070.00319.48
8.4.50.0110.00519.64
8.4.40.0100.01017.90
8.4.30.0100.01020.57
8.4.20.0120.00924.34
8.4.10.0040.00421.91
8.3.280.0140.00918.50
8.3.270.0110.00916.72
8.3.260.0110.00816.57
8.3.250.0080.00016.75
8.3.240.0050.00316.93
8.3.230.0120.00916.95
8.3.220.0140.00517.28
8.3.210.0120.00716.70
8.3.200.0110.00816.78
8.3.190.0100.00916.72
8.3.180.0090.01016.74
8.3.170.0000.00818.70
8.3.160.0030.00716.76
8.3.150.0180.00018.92
8.3.140.0090.00918.75
8.3.130.0000.00818.42
8.3.120.0030.00618.81
8.3.110.0080.00822.58
8.3.100.0060.00322.58
8.3.50.0050.00322.58
8.2.290.0140.00518.92
8.2.280.0170.00516.63
8.2.270.0090.00917.07
8.2.260.0110.00716.67
8.2.250.0080.00016.68
8.2.240.0060.00317.11
8.2.230.0090.00022.58
8.2.220.0100.00022.58
8.2.70.0130.00879.33
8.2.60.0110.00779.33
8.2.50.0140.00579.33
8.2.40.0130.00579.33
8.2.30.0150.00579.33
8.2.20.0160.00479.33
8.2.10.0100.01379.33
8.2.00.0200.00079.33
8.1.330.0120.00621.84
8.1.320.0080.01016.35
8.1.310.0000.00816.20
8.1.300.0070.00318.04
8.1.200.0110.00579.33
8.1.190.0170.00079.33
8.1.180.0100.00579.33
8.1.170.0130.00379.33
8.1.160.0100.00579.33
8.1.150.0140.00379.33
8.1.140.0160.00079.33
8.1.130.0130.00379.33
8.1.120.0140.00379.33
8.1.110.0060.01179.33
8.1.100.0100.00679.33
8.1.90.0120.00679.33
8.1.80.0160.00079.33
8.1.70.0160.00079.33
8.1.60.0170.00079.33
8.1.50.0120.00479.33
8.1.40.0180.00079.33
8.1.30.0140.00579.33
8.1.20.0120.00679.33
8.1.10.0150.00579.33
8.1.00.0120.00779.33
8.0.290.0120.00479.33
8.0.280.0040.01379.33
8.0.270.0120.00679.33
8.0.260.0070.01079.33
8.0.250.0060.01179.33
8.0.240.0080.00879.33
8.0.230.0160.00079.33
8.0.220.0110.00479.33
8.0.210.0160.00079.33
8.0.200.0100.00579.33
8.0.190.0120.00479.33
8.0.180.0150.00079.33
8.0.170.0100.00779.33
8.0.160.0120.00379.33
8.0.150.0130.00379.33
8.0.140.0110.00579.33
8.0.130.0080.00879.33
8.0.120.0080.00879.33
8.0.110.0110.00479.33
8.0.100.0160.00079.33
8.0.90.0100.00579.33
8.0.80.0120.00279.33
8.0.70.0100.00579.33
8.0.60.0120.00379.33
8.0.50.0090.00679.33
8.0.30.0000.01579.33
8.0.20.0150.00079.33
8.0.10.0090.00679.33

preferences:
71.66 ms | 403 KiB | 5 Q