Php/docs/cachingiterator.key
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CachingIterator::key
(PHP 5, PHP 7)
CachingIterator::key — Return the key for the current element
Description
public CachingIterator::key ( ) : scalar
Warning This function is currently not documented; only its argument list is available.
This method may return a key for the current element.
Parameters
This function has no parameters.
