PHP - Ds\PriorityQueue::isEmpty() Function

Ds\PriorityQueue::isEmpty() function can return whether the queue is empty.

Syntax

public bool Ds\PriorityQueue::isEmpty( void )

Ds\PriorityQueue::isEmpty() function doesn't have any parameters.

Ds\PriorityQueue::isEmpty() function can return true if the queue is empty, or false otherwise.

Example

<?php  
   $pqueue = new \Ds\PriorityQueue();  
   
   var_dump($pqueue->isEmpty()); 
  
   $pqueue->push("Tutorials", 1); 
   $pqueue->push("Point", 2); 
   $pqueue->push("India", 3); 
  
   var_dump($pqueue->isEmpty()); 
?>