The Queue class

(PECL ds >= 1.0.0)

Introducción

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.

Sinopsis de la Clase

class Ds\Queue implements Ds\Collection, ArrayAccess {

/* Constantes */

const int MIN_CAPACITY = 8;

/* Métodos */

public allocate(int $capacity): void

public capacity(): int

public clear(): void

public copy(): Ds\Queue

public isEmpty(): bool

public peek(): mixed

public pop(): mixed

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

public toArray(): array

}

Constantes predefinidas

Ds\Queue::MIN_CAPACITY

Historial de cambios

Versión	Descripción
PECL ds 1.3.0	The class now implements ArrayAccess.

Tabla de contenidos

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 — Regresa una representacion que puede ser convertida a 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 — Añade un elemento a la cola
Ds\Queue::toArray — Convierte la cola en un array

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