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PHP Ds\PriorityQueue count() Function

Last Updated : 09 Nov, 2020
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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: 
3

 

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: 
3

 

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


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