CachingIterator
PHP Manual

CachingIterator::offsetExists

(PHP 5 >= 5.2.0, PHP 7)

CachingIterator::offsetExistsThe offsetExists purpose

Description

public void CachingIterator::offsetExists ( string $index )
Warning

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

Parameters

index

The index being checked.

Return Values

Returns TRUE if an entry referenced by the offset exists, FALSE otherwise.


CachingIterator
PHP Manual