The Queue class

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Introduction

A Queue is a “first in, first out” or “FIFO” collection that only allows access to the value at the front of the queue and iterates in that order, destructively.

Class synopsis

Ds\Queue implements Ds\Collection {

/* Constants */

const int MIN_CAPACITY = 8 ;

/* Methods */

public allocate ( int $capacity ) : void

public capacity ( void ) : int

public clear ( void ) : void

public copy ( void ) : Ds\Queue

public isEmpty ( void ) : bool

public peek ( void ) : mixed

public pop ( void ) : mixed

public push ([ mixed $...values ] ) : void

public toArray ( void ) : array

}

Predefined Constants

Ds\Queue::MIN_CAPACITY

Ds\Queue::allocate — Allocates enough memory for a required capacity
Ds\Queue::capacity — Returns the current capacity
Ds\Queue::clear — Removes all values
Ds\Queue::__construct — Creates a new instance
Ds\Queue::copy — Returns a shallow copy of the queue
Ds\Queue::count — Returns the number of values in the queue
Ds\Queue::isEmpty — Returns whether the queue is empty
Ds\Queue::jsonSerialize — Returns a representation that can be converted to JSON
Ds\Queue::peek — Returns the value at the front of the queue
Ds\Queue::pop — Removes and returns the value at the front of the queue
Ds\Queue::push — Pushes values into the queue
Ds\Queue::toArray — Converts the queue to an array

The Queue class

Introduction

Class synopsis

Predefined Constants

Table of Contents