CachingIterator::offsetExists
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
CachingIterator::offsetExists — The 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.
© 1997–2021 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/cachingiterator.offsetexists.php
