RecursiveTreeIterator::key

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

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

public RecursiveTreeIterator::key(): mixed

Gets the current key prefixed and postfixed.

Warning

This function is currently not documented; only its argument list is available.

This function has no parameters.

Returns the current key prefixed and postfixed.

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