CachingIterator::key

(PHP 5, PHP 7)

CachingIterator::key — Return the key for the current element

Description

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

CachingIterator::next →

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/cachingiterator.key.php