CachingIterator::offsetExists

From Get docs
Php/docs/latest/cachingiterator.offsetexists


CachingIterator::offsetExists

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

CachingIterator::offsetExistsThe offsetExists purpose


Description

public CachingIterator::offsetExists(string $key): bool

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


Parameters

key
The index being checked.


Return Values

Returns true if an entry referenced by the offset exists, false otherwise.


© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/cachingiterator.offsetexists.php