PHP Ds\PriorityQueue count() Function

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The Ds\PriorityQueue::count() Function in PHP is used to get the count of elements present in a Priority Queue instance.

Syntax:

int public Ds\PriorityQueue::count( void )

Parameters: This function does not accepts any parameters.

Return Value: This function calculates the number of elements present in a Priority Queue instance and returns the count.

Below programs illustrate the Ds\PriorityQueue::count() Function in PHP:

Program 1:

PHP

<?php 
 
// Declare new PriorityQueue 
$pq = new \Ds\PriorityQueue(); 
 
// Add elements to the PriorityQueue
$pq->push("One", 1);
$pq->push("Two", 2);
$pq->push("Three", 3);
 
// Count the number of elements 
// in this PriorityQueue
print_r($pq->count());
 
?> 

Output:

Program 2:

PHP

<?php 
 
// Declare new PriorityQueue 
$pq = new \Ds\PriorityQueue(); 
 
// Add elements to the PriorityQueue
$pq->push("Geeks", 1);
$pq->push("for", 2);
$pq->push("Geeks", 3);
 
// Count the number of elements 
// in this PriorityQueue
print_r($pq->count());
 
?> 

Output:

Reference: http://php.net/manual/en/ds-priorityqueue.count.php

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