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run code in 300+ PHP versions simultaneously
<?php class x implements splobserver { public function update(splsubject $subject, $foo, $bar) {} }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Declaration of x::update(splsubject $subject, $foo, $bar) must be compatible with SplObserver::update(SplSubject $subject): void in /in/8cUXG on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Declaration of x::update(splsubject $subject, $foo, $bar) must be compatible with SplObserver::update(SplSubject $subject) in /in/8cUXG on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Fatal error: Declaration of x::update(splsubject $subject, $foo, $bar) must be compatible with SplObserver::update(SplSubject $SplSubject) in /in/8cUXG on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Declaration of x::update() must be compatible with SplObserver::update(SplSubject $SplSubject) in /in/8cUXG on line 3
Process exited with code 255.
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