The Queue class

(PECL ds >= 1.0.0)

Einführung

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.

Klassenbeschreibung

class Ds\Queue implements Ds\Collection, ArrayAccess {

/* Konstanten */

const int MIN_CAPACITY = 8;

/* Methoden */

public function allocate(int $capacity): void

public function capacity(): int

public function clear(): void

public function copy(): Ds\Queue

public function isEmpty(): bool

public function peek(): mixed

public function pop(): mixed

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

public function toArray(): array

}

Vordefinierte Konstanten

Ds\Queue::MIN_CAPACITY

Changelog

Version	Beschreibung
PECL ds 1.3.0	The class now implements ArrayAccess.

Inhaltsverzeichnis

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

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