PHP Manual
APCUIterator
Get iterator key

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