3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class HiddenFactory { protected function __construct() { } final protected static function create() { return new static(); } } class B extends HiddenFactory {} class C extends B { public static function create() { return new static(); } } class A extends HiddenFactory { protected static $recordClass = 'B'; final public static function createB() { $rc = static::$recordClass; return $rc::create(); } } class D extends A { protected static $recordClass = 'C'; } echo get_class(A::createB()); echo get_class(D::createB()); echo get_class(C::create());

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)
5.4.210.3430.03719.08
5.4.200.3470.04019.11
5.4.190.3670.03018.84
5.4.180.3500.03718.97
5.4.170.3730.04019.05
5.4.160.3400.03318.93
5.4.150.3870.03719.05
5.4.140.3870.03716.43
5.4.130.4230.03316.50
5.4.120.4300.03316.53
5.4.110.4130.03316.32
5.4.100.4130.03016.58
5.4.90.3900.03316.50
5.4.80.3900.03316.60
5.4.70.4130.03716.49
5.4.60.4230.04016.38
5.4.50.4230.03316.27
5.4.40.4270.04016.25
5.4.30.4300.03316.42
5.4.20.4230.03316.42
5.4.10.4300.03316.42
5.4.00.3530.04015.78
5.3.270.3700.04014.66
5.3.260.3470.04714.57
5.3.250.3970.03714.83
5.3.240.4000.03314.69
5.3.230.4100.05014.69
5.3.220.4230.03714.64
5.3.210.4270.04314.79
5.3.200.3870.03714.73
5.3.190.3330.03714.57
5.3.180.4130.03714.58
5.3.170.4330.03314.44
5.3.160.4130.03314.61
5.3.150.4200.03714.64
5.3.140.5030.03714.61
5.3.130.4170.04314.48
5.3.120.3830.03014.52
5.3.110.4230.03714.48
5.3.100.3570.03714.09
5.3.90.3330.03314.00
5.3.80.3430.04013.93
5.3.70.3000.04014.02
5.3.60.4200.03014.02
5.3.50.3300.03713.86
5.3.40.3530.03713.96
5.3.30.3500.04313.83
5.3.20.3870.04013.61
5.3.10.3930.03313.57
5.3.00.4170.04013.57

preferences:
138.44 ms | 1394 KiB | 7 Q