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PHP Ds\Queue count() Function
  • Last Updated : 23 Aug, 2019

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

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