PHP | Queue Functions

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP Queue Functions.

The Queue is a "first in, first out" or "FiFO" collection of data that only allow access to values at the front of a queue and repeat in that order destructively.

Class Summary

Ds\Queue implements Ds\Collection {
   /* Constants */
   const int MIN_CAPACITY = 8 ;

   /* Methods */
   public void allocate( int $capacity )
   public int capacity( void )
   public void clear( void )
   public Ds\Queue copy( void )
   public bool isEmpty( void )
   public mixed peek( void )
   public mixed pop( void )
   public void push([ mixed $...values ] )
   public array toArray( void )
}

READ: PHP | Pair Functions

Predefined Constants

Ds\Queue::MIN_CAPACITY

Sr.No	Functions & Description
1	Ds\Queue::allocate() Function This function can allocate enough memory for the required capacity.
2	Ds\Queue::capacity() Function This function can return the current capacity.
3	Ds\Queue::clear() Function This function can remove all values from a queue.
4	Ds\Queue::__construct() Function This function can create a new instance.
5	Ds\Queue::copy() Function This function can return the shallow copy of a queue.
6	Ds\Queue::count() Function This unction can be used to get the count of elements present in a queue.
7	Ds\Queue::isEmpty() Function This function can return whether the queue is empty.
8	Ds\Queue::jsonSerialize() Function This function can return a representation that can be converted to JSON.
9	Ds\Queue::peek() Function This function can return a value at the front of a queue.
10	Ds\Queue::pop() Function This function can remove and return a value at the front of a queue.
11	Ds\Queue::push() Function This function can push the values into a queue.
12	Ds\Queue::toArray() Function This function can convert the queue to an array.

In our subsequent tutorials, we are going to be discussing about the above listed built-in PHP Queue functions.

READ: PHP | ODBC Functions

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about PHP Ds\Queue::allocate() Function.

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