RecursiveTreeIterator::key

(PHP 5 >= 5.3.0, PHP 7)

RecursiveTreeIterator::key — Get the key of the current element

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。

此函数没有参数。

Returns the current key prefixed and postfixed.