PHP - Manual: RecursiveTreeIterator::key
2024-11-15
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
RecursiveTreeIterator::key — Get the key of the current element
Gets the current key prefixed and postfixed.
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.
官方地址:https://www.php.net/manual/en/recursivetreeiterator.key.php