CachingIterator::offsetExists
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
CachingIterator::offsetExists — The offsetExists purpose
Description
public CachingIterator::offsetExists(
string $key):
bool
WarningThis 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.
