Online PHP editor | refs for aCfn5

<?php class Animal { public function __call($name, $args) { if (preg_match('/^is([A-Z].+)/', $name, $matches)) { return $matches[1] === get_called_class(); } } public function isFat() { return 42; } } class Cat extends Animal { } class Dog extends Animal { } $brian = new Dog(); printf("Brian %s a dog.\n", $brian->isDog() ? "is" : "is not"); printf("Brian %s a cat.\n", $brian->isCat() ? "is" : "is not"); var_dump( $brian->isFat() );