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PHP - Queue Class Functions
The Queue is a “first-in, first-out” or “FIFO” collection that can only allow access to value at the front of a queue and iterate in that order destructively.
Class Synopsis
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 )
}
Predefined Constants
Ds\Queue::MIN_CAPACITY
| Sr.No | Functions & Description |
|---|---|
| 1 |
This function can allocate enough memory for the required capacity. |
| 2 |
This function can return the current capacity. |
| 3 |
This function can remove all values from a queue. |
| 4 | Ds\Queue::__construct() Function This function can create a new instance. |
| 5 |
This function can return the shallow copy of a queue. |
| 6 |
This unction can be used to get the count of elements present in a queue. |
| 7 |
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 |
This function can return a value at the front of a queue. |
| 10 |
This function can remove and return a value at the front of a queue. |
| 11 |
This function can push the values into a queue. |
| 12 |
This function can convert the queue to an array. |