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CachingIterator::key

(PHP 5, PHP 7)

Return the key for the current element

public scalar CachingIterator::key ( void )

This method may return a key for the current element.

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

Links:

http://php.net/manual/en/cachingiterator.key.php

doc_php

2016-02-24 16:19:44

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