PHP Ds\Queue count() Function

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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:

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:

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

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