3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} class Goo extends Foo {} interface IFooFactory { static function create(Foo $foo); } class FooFactory extends IFooFactory { static function create(Foo $foo) { return $foo; } } /*class GooFactory extends FooFactory { static function create(Goo $goo) { return $goo; } }*/ var_dump(FooFactory::create(new Foo())); var_dump(GooFactory::create(new Goo()));
Output for 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.35
Fatal error: Class FooFactory cannot extend from interface IFooFactory in /in/TjBq4 on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.1
object(Foo)#1 (0) { } Fatal error: Class 'GooFactory' not found in /in/TjBq4 on line 19
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/TjBq4 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/TjBq4 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TjBq4 on line 6
Process exited with code 255.
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