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<?php interface bird { function setKind(string $type); /*function getKind(); function getLocation(); function setLocation(location $location); function flyTo(location $location); function setMelody(string $melody); function singMelody(); // вывод зависит от kind function killBird();*/ function cloneBird(int $count); } class Sparrow implements bird { public function cloneBird(int $count) { echo $count; } } $s = new Sparrow(); var_dump($s->cloneBird(3));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Class Sparrow contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (bird::setKind) in /in/ndkoH on line 22
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Class Sparrow contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (bird::setKind) in /in/ndkoH on line 28
Process exited with code 255.

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