PHP Ds\PriorityQueue count() Function Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report 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: https://www.php.net/manual/en/ds-priorityqueue.count.php Comment More infoAdvertise with us Next Article PHP Ds\PriorityQueue clear() Function G gopaldave Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-ds_priorityqueue Similar Reads PHP Ds\PriorityQueue copy() Function The Ds\PriorityQueue::copy() Function in PHP is used to create a shallow copy of a particular PriorityQueue instance. This function does not affect the existing PriorityQueue instance, it just creates a shallow copy of the PriorityQueue and returns it. Syntax: Ds\PriorityQueue public Ds\PriorityQueu 1 min read PHP Ds\PriorityQueue copy() Function The Ds\PriorityQueue::copy() Function in PHP is used to create a shallow copy of a particular PriorityQueue instance. This function does not affect the existing PriorityQueue instance, it just creates a shallow copy of the PriorityQueue and returns it. Syntax: Ds\PriorityQueue public Ds\PriorityQueu 1 min read PHP SplPriorityQueue count() Function The SplPriorityQueue::count() function is an inbuilt function in PHP which is used to count the number of elements in the queue. Syntax: int SplPriorityQueue::count() Parameters: This function does not accept any parameters. Return Value: This function returns the number of elements in the queue. Ex 1 min read PHP Ds\PriorityQueue clear() Function The Ds\PriorityQueue::clear() Function in PHP is used to clear all of the elements from a PriorityQueue instance. This function just clears the instance without deleting it. Syntax: void public Ds\PriorityQueue::clear ( void ) Parameters: This function does not accepts any parameters. Return Value: 1 min read PHP Ds\PriorityQueue clear() Function The Ds\PriorityQueue::clear() Function in PHP is used to clear all of the elements from a PriorityQueue instance. This function just clears the instance without deleting it. Syntax: void public Ds\PriorityQueue::clear ( void ) Parameters: This function does not accepts any parameters. Return Value: 1 min read PHP Ds\PriorityQueue capacity() Function The Ds\PriorityQueue::capacity() Function in PHP is used to check the current capacity of a PriorityQueue instance. Syntax: int public Ds\PriorityQueue::capacity ( void ) Parameters: This function does not accepts any parameters. Return Value: This function returns the current capacity of the Priori 1 min read Like