RecursiveTreeIterator
PHP Manual

RecursiveTreeIterator::key

(PHP 5 >= 5.3.0, PHP 7)

RecursiveTreeIterator::keyGet the key of the current element

说明

public string RecursiveTreeIterator::key ( void )

Gets the current key prefixed and postfixed.

Warning

本函数还未编写文档,仅有参数列表。

参数

此函数没有参数。

返回值

Returns the current key prefixed and postfixed.


RecursiveTreeIterator
PHP Manual