RecursiveTreeIterator::key
(PHP 5 >= 5.3.0)
RecursiveTreeIterator::key — Get the key of the current element
說明
public string RecursiveTreeIterator::key
( void
)
Gets the current key prefixed and postfixed.
Warning
此函式目前沒有參考文件；只有引數列表。
參數
此函式沒有參數。
回傳值
Returns the current key prefixed and postfixed.
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