PHP | Ds\Stack count() Function Last Updated : 30 Jul, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report The Ds\Stack::count() function is an inbuilt function in PHP which is used to count the number of elements present in the Stack. Syntax: int Ds\Stack::count( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the number of elements present in the Stack. Below programs illustrate the Ds\Stack::count() function in PHP: Program 1: php <?php // Declare new stack $stack = new \Ds\Stack([10, 15, 21]); // Display the stack element var_dump($stack); // Count number of elements // present in the stack echo "Number of elements present in the stack: "; print_r($stack->count()); ?> Output: object(Ds\Stack)#1 (3) { [0]=> int(21) [1]=> int(15) [2]=> int(10) } Number of elements present in the stack: 3 Program 2: php <?php // Declare new stack $stack = new \Ds\Stack(["Geeks", "for", "Keegs"]); // Display the stack element print_r($stack); // Display count of elements // present in the stack echo "Number of elements present in the stack: "; var_dump($stack->count()); ?> Output: Ds\Stack Object ( [0] => Keegs [1] => for [2] => Geeks ) Number of elements present in the stack: int(3) Reference: https://www.php.net/manual/en/ds-stack.count.php Comment More infoAdvertise with us Next Article PHP | DsDeque count() Function J jit_t Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-ds_stack Similar Reads PHP DsSet count() Function The Ds\Set::count() function of Ds\Set class in PHP is an inbuilt function which is used to count the number of values present in the Set. This is also referred to as the size of the Set instance. Syntax: int public Ds\Set::count() Parameters: This function does not accept any parameter. Return Valu 1 min read PHP count() Function The count() function in PHP is used to count the number of elements in an array or the countable properties of an object. The function returns an integer value representing the number of items present.Syntax:count($array, mode)In this syntax:$array (mandatory): Refers to the array, whose elements ar 3 min read PHP | DsStack count() Function The Ds\Stack::count() function is an inbuilt function in PHP which is used to count the number of elements present in the Stack. Syntax: int Ds\Stack::count( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the number of elements present in the Stac 1 min read PHP | DsDeque count() Function The Ds\Deque::count() function is an inbuilt function in PHP which is used to get the number of elements in the Deque. Syntax: public Ds\Deque::count( void ) : int Parameters: This function does not accept any parameter. Return Value: This function returns the number of elements in the Deque. Below 1 min read PHP DsQueue 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 1 min read PHP | SplHeap count() Function The SplHeap::count() function is an inbuilt function in PHP which is used to count the elements in the heap. Generally, Heap can be of two types: Max-Heap: In a Max-Heap the key present at the root node must be greatest among the keys present at all of its children. The same property must be recursi 2 min read PHP | Ds\Stack count() Function min read Like