3v4l.org

run code in 300+ PHP versions simultaneously
<?php class YourFavoriteFrameworkClass28 { public function process($name) { } } class YourFavoriteFrameworkClass44 { public function process(string $name) { } } class Implementer extends YourFavoriteFrameworkClass44 { public function process($name, $newArgument) { } } $app = new Implementer();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
Fatal error: Declaration of Implementer::process($name, $newArgument) must be compatible with YourFavoriteFrameworkClass44::process(string $name) in /in/Znrnq on line 20
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of Implementer::process($name, $newArgument) should be compatible with YourFavoriteFrameworkClass44::process(string $name) in /in/Znrnq on line 20
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of Implementer::process($name, $newArgument) should be compatible with YourFavoriteFrameworkClass44::process(string $name) in /in/Znrnq on line 23

preferences:
153.52 ms | 409 KiB | 5 Q