3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private static $test; public static function hasTest() { return !!static::$test; } public static function setTest($test) { static::$test = $test; } } class FooExtension extends Foo { } class_alias('FooExtension', 'FooAlias'); FooExtension::setTest('derp'); var_dump(FooAlias::hasTest());
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
bool(true)
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Uncaught Error: Cannot access property FooExtension::$test in /in/aIFlG:15 Stack trace: #0 /in/aIFlG(27): Foo::setTest('derp') #1 {main} thrown in /in/aIFlG on line 15
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Cannot access property FooExtension::$test in /in/aIFlG on line 15
Process exited with code 255.
preferences:
212.56 ms | 402 KiB | 331 Q