Class Type Hints : Class Definition « Class « PHP

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PHP » Class » Class Definition

Class Type Hints


 

<?

    class Dog {

            public function do_drool( ) {

                    echo "Sluuuuurp\n";

            }

    }



    class Cat { }



    function drool(Dog $some_dog) {

            $some_dog->do_drool( );

    }

    $poppy = new Dog( );

    drool($poppy);

    

    $poppy = new Cat( );

    drool($poppy);

?>

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