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APCUIterator::key

(PECL apcu >= 5.0.0)

APCUIterator::key — Get iterator key

Description

public APCUIterator::key ( ) : string

Gets the current iterator key.

Parameters

This function has no parameters.

Return Values

Returns the key on success, or false upon failure.

See Also

APCUIterator::current() - Get current item
Iterator::key() - Return the key of the current element

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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/apcuiterator.key.php