ReflectionClass::implementsInterface

Note that this method also returns true when the thing you're reflecting is the interface you're checking for:<?phpinterface MyInterface {}$reflect = new ReflectionClass('MyInterface');var_dump($reflect->implementsInterface('MyInterface')); // bool(true)?>

interface Factory{    public function sayHello();}class ParentClass implements Factory{    public function sayHello()    {        echo "hello\n";    }}class ChildrenClass extends ParentClass{}$reflect = new ReflectionClass('ParentClass');var_dump($reflect->implementsInterface('Factory'));$second_ref = new ReflectionClass('ChildrenClass');var_dump($second_ref->isSubclassOf('ParentClass'));$third_ref = new ReflectionClass('Factory');var_dump($third_ref->isInterface());//can not be called as staticvar_dump(ReflectionClass::isInterface('Factory'));die;//#resultbool(true)bool(true)bool(true)PHP Fatal error:  Non-static method ReflectionClass::isInterface() cannot be called statically

//checks that whether class Fruit implements interface apple or not interface Apple {        function taste();}class Fruit implements Apple {        function taste() {        echo "Seet";    }}$obj=new ReflectionClass('Fruit');var_dump($obj->implementsInterface('Apple'));  //Here it will checks that whether class Fruit implements interface apple or not