PHP | Ds\Stack allocate() Function Last Updated : 10 May, 2021 Comments Improve Suggest changes Like Article Like Report The Ds\Stack::allocate() function is an inbuilt function in PHP which is used to allocate memory for required capacity. This function allocates sufficient memory for a given capacity of an instance of Stack class.Syntax: void Ds\Stack::allocate( $capacity ) Parameters: This function accepts a single parameter $capacity which is an integral value denoting the number of values for which capacity is needed to allocate.Return Value: This function does not return any value.Below programs illustrate the Ds\Stack::allocate() function in PHP:Program 1: php <?php // PHP program to illustrate the // Ds\Stack::allocate() function // Create a Stack instance $stack = new \Ds\Stack(); echo("Allocated Space is: "); // Use capacity() function var_dump($stack->capacity()); echo("Allocated space is: "); // Use allocate() function to // allocate capacity $stack->allocate(50); // Display the allocated stack // capacity var_dump($stack->capacity()); ?> Output: Allocated Space is: int(8) Allocated space is: int(50) Program 2: php <?php // Declare new stack $stack = new \Ds\Stack(); echo("Allocated Space is: "); // Use capacity() function var_dump($stack->capacity()); echo("Allocated space is: "); // Use allocate() function to // allocate capacity $stack->allocate(5); // Display the stack capacity var_dump($stack->capacity()); echo("Allocated space is: "); // Use allocate() function to // allocate capacity $stack->allocate(120); // Display the stack capacity var_dump($stack->capacity()); ?> Output: Allocated Space is: int(8) Allocated space is: int(8) Allocated space is: int(120) Reference: https://www.php.net/manual/en/ds-stack.allocate.php Comment More infoAdvertise with us Next Article PHP | DsDeque allocate() Function jit_t Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-ds_stack Similar Reads PHP | DsSet allocate() Function The Ds\Set::allocate() function is an inbuilt function in PHP which is used to allocate memory for required capacity. Syntax: void public Ds\Set::allocate( $capacity ) Parameters: This function accepts single parameter $capacity which holds the value of capacity to be allocated. Capacity always roun 1 min read PHP | DsStack allocate() Function The Ds\Stack::allocate() function is an inbuilt function in PHP which is used to allocate memory for required capacity. This function allocates sufficient memory for a given capacity of an instance of Stack class.Syntax: void Ds\Stack::allocate( $capacity ) Parameters: This function accepts a single 2 min read PHP | DsDeque allocate() Function The Ds\Deque::allocate() function is an inbuilt function in PHP which is used to allocate memory as specified in the argument. If the argument is not defined, then the Deque of default size will be created. Syntax: public Ds\Deque::allocate( $capacity ) : void Parameters: This function accepts singl 1 min read PHP DsQueue allocate() Function The Ds\Queue::allocate() Function in PHP is used to allocate memory for a Queue class instance. This function allocates sufficient memory for a given capacity for an instance of Queue class. Syntax: void public Ds\Queue::allocate ( int $capacity ) Parameters: This function accepts a single parameter 2 min read PHP | DsVector allocate() Function The Ds\Vector::allocate() function is an inbuilt function in PHP which is used to allocate enough memory for a required capacity. It provides the custom size of the vector to allocate space. Syntax: void public Ds\Vector::allocate( $capacity ) Parameters: This function accepts a single parameter $ca 2 min read PHP | DsSequence allocate() Function The Ds\Sequence::allocate() function is an inbuilt function in PHP which is used to allocate enough memory for required capacity. Syntax: void abstract public Ds\Sequence::allocate ( int $capacity ) Parameter: This function accepts single parameter $capacity which indicate number of capacity allocat 1 min read PHP DsPriorityQueue allocate() Function The Ds\PriorityQueue::allocate() Function in PHP is used to allocate memory for a PriorityQueue class instance. This function allocates sufficient memory for a given capacity for an instance of PriorityQueue class. Syntax: void public Ds\PriorityQueue::allocate ( int $capacity ) Parameters: This fun 2 min read PHP | DsSet capacity() Function The Ds\Set::capacity() function is an inbuilt function in PHP which is used to return the capacity of the set. Syntax: int public Ds\Set::capacity( void ) Parameter: This function does not accepts any parameter. Return value: This function returns the current capacity of set. Below programs illustra 1 min read PHP | DsDeque set() Function The Ds\Deque::set() function is an inbuilt function in PHP which is used to set the value at the given index in the Deque. Syntax: public Ds\Deque::set( $index, $value ) : void Parameters: This function accept two parameters as mentioned above and described below: index: This parameter holds the ind 2 min read PHP | DsSet __construct() Function The Ds\Set::__construct() function is an inbuilt function in PHP which is used to create new instance of set. Syntax: Ds\Set::__construct( $values ) Parameters: This function accepts single parameter $values which holds the traversable object or array to use initial values. Below programs illustrate 1 min read Like