ReflectionClass::implementsInterface

    (PHP 5, PHP 7, PHP 8)

    ReflectionClass::implementsInterface — Vérifie si une classe implémente une interface

    Description

    public ReflectionClass::implementsInterface(ReflectionClass|string $interface): bool

    Vérifie si une classe implémente une interface.

    Liste de paramètres

    interface

    Le nom de l'interface.

    Valeurs de retour

    Cette fonction retourne true en cas de succès ou false si une erreur survient.

    Erreurs / Exceptions

    ReflectionClass::implementsInterface() lance une ReflectionException si interface n'est pas une interface.

    Voir aussi

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    User Contributed Notes 3 notes

    up
    2
    jtunaley at gmail dot com
    6 years ago
    Note that this method also returns true when the thing you're reflecting is the interface you're checking for:

    <?php
    interface MyInterface {}

    $reflect = new ReflectionClass('MyInterface');
    var_dump($reflect->implementsInterface('MyInterface')); // bool(true)
    ?>
    up
    1
    dhairya dot coder at gmail dot com
    8 years ago
    //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
    up
    0
    keepchen2016 at gmail dot com
    7 years ago
    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 static
    var_dump(ReflectionClass::isInterface('Factory'));
    die;
    //#result
    bool(true)
    bool(true)
    bool(true)
    PHP Fatal error: Non-static method ReflectionClass::isInterface() cannot be called statically
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