3v4l.org

run code in 500+ PHP versions simultaneously
<?php class ClassName { public function foo(stdClass $bar = null) { } } $instance = new ClassName(); $instance->foo(new stdClass()); $instance->foo(null);
Output for 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
Deprecated: ClassName::foo(): Implicitly marking parameter $bar as nullable is deprecated, the explicit nullable type must be used instead in /in/MaOKk on line 5
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31
preferences:
88.1 ms | 1988 KiB | 4 Q