php 한글 메뉴얼 도움말 검색 사이트 Return the interfaces which are implemented by the given class or interface [function.class-implements]

설명

array class_implements ( mixed $class [, bool $autoload = true ] )

This function returns an array with the names of the interfaces that the given class and its parents implement.

인수

class: An object (class instance) or a string (class or interface name).
autoload: Whether to allow this function to load the class automatically through the __autoload() magic method.

반환값

An array on success, or FALSE on error.

변경점

버전	설명
5.1.0	Added the option to pass the `class` parameter as a string. Added the `autoload` parameter.

예제

Example #1 class_implements() example


<?php

interface foo { }
class bar implements foo {}

print_r(class_implements(new bar));

// since PHP 5.1.0 you may also specify the parameter as a string
print_r(class_implements('bar'));


function __autoload($class_name) {
   require_once $class_name . '.php';
}

// use __autoload to load the 'not_loaded' class
print_r(class_implements('not_loaded', true));

?>

위 예제의 출력 예시:

Array
(
    [foo] => foo
)

Array
(
    [interface_of_not_loaded] => interface_of_not_loaded
)

참고

class_parents() - Return the parent classes of the given class
get_declared_interfaces() - 선언된 모든 인터페이스의 배열을 반환