CachingIterator::key
CachingIterator::key
(PHP 5, PHP 7)
CachingIterator::key — Return the key for the current element
Description
public scalar CachingIterator::key ( void )
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.
← CachingIterator::hasNext
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