Get the key of the current element

RecursiveTreeIterator::getPrefix
RecursiveTreeIterator::next
RecursiveTreeIterator
PHP Manual

# RecursiveTreeIterator::key

(PHP 5 >= 5.3.0)

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

### Description

public string RecursiveTreeIterator::key ( void )

Gets the current key prefixed and postfixed.

Warning

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

### Parameters

This function has no parameters.

### Return Values

Returns the current key prefixed and postfixed.

RecursiveTreeIterator::getPrefix
RecursiveTreeIterator::next
RecursiveTreeIterator
PHP Manual