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