CachingIterator::offsetExists

(PHP 5 >= 5.2.0, PHP 7)

CachingIterator::offsetExists — The offsetExists purpose

Description

public CachingIterator::offsetExists ( mixed $index ) : void
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.