SplPriorityQueue::isEmpty
(PHP 5 >= 5.3.0, PHP 7)
SplPriorityQueue::isEmpty — Checks whether the queue is empty
Description
public SplPriorityQueue::isEmpty ( ) : bool
Parameters
This function has no parameters.
Return Values
Returns whether the queue is empty.
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https://www.php.net/manual/en/splpriorityqueue.isempty.php