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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