ReflectionClass::implementsInterface

(PHP 5, PHP 7, PHP 8)

ReflectionClass::implementsInterfaceVérifie 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

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1
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)
?>
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1
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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0
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
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