Difference between instanceof and is_subclass_of( ) : instanceof « Language Basics « PHP

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PHP » Language Basics » instanceof

Difference between instanceof and is_subclass_of( )

 

<?

    class Dog { }

    class Poodle extends Dog { }

    $poppy = new Poodle( );

    print (int)($poppy instanceof Poodle);

    print "\n";

    print (int)is_subclass_of($poppy, "Poodle");

?>

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Using the instanceof Operator

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