PHP Ds\Queue count() Function

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

int public Ds\Queue::count ( void )

Parameters: This function does not accepts any parameters. Return Value: This function calculates the number of elements present in a Queue instance and returns the count. Below programs illustrate the Ds\Queue::count() Function in PHP: Program 1:

php

<?php 

// Declare new Queue   
$q = new \Ds\Queue(); 

// Add elements to the Queue 
$q->push("One");
$q->push("Two");
$q->push("Three");

// Count the number of elements 
// in this Queue 
print_r($q->count());

?> 

Output:

3

Program 2:

php

<?php 

// Declare new Queue 
$q = new \Ds\Queue(); 

// Add elements to the Queue 
$q->push("Geeks");
$q->push("for");
$q->push("Geeks");

// Count the number of elements 
// in this Queue 
print_r($q->count());

?> 

Output:

3

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

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