PHP Manual
后退 |  | 前进

# class_implements

(PHP 5)

class_implements -- Return the interfaces which are implemented by the given class

## 说明

array class_implements ( mixed class )

This function returns an array with the names of the interfaces that the given class implements.

## 参数

class

  An object (class instance) or a string (class name).

## 返回值

Returns an array or `FALSE` on error.

## 更新日志

版本 | 说明
--- | ---
5.1.0 | Added the option to pass the parameter as a string

## 例

例子 1. class_implements() example
`<?php interface foo { } class bar implements foo {} print_r(class_implements(new bar)); ?>`
上例将输出：
    Array
    (
        [foo] => foo
    )

## 参见

class_parents()

后退 | 起点 | 前进
SimpleXMLIterator::valid | 上一级 | class_parents