The Collection interface

(PECL ds >= 1.0.0)

Вступ

Collection is the base interface which covers functionality common to all the data structures in this library. It guarantees that all structures are traversable, countable, and can be converted to json using json_encode().

Короткий огляд iнтерфейcу

interface Ds\Collection extends Countable, IteratorAggregate, JsonSerializable {

/* Методи */

public clear(): void

public copy(): Ds\Collection

public isEmpty(): bool

public toArray(): array

/* Успадковані методи */

public Countable::count(): int

public IteratorAggregate::getIterator(): Traversable

public JsonSerializable::jsonSerialize(): mixed

}

Журнал змін

Версія	Опис
PECL ds 1.4.0	Collection implements IteratorAggregate now instead of just Traversable. (This change came to the polyfill in 1.4.1.)

Зміст

Ds\Collection::clear — Removes all values
Ds\Collection::copy — Returns a shallow copy of the collection
Ds\Collection::isEmpty — Returns whether the collection is empty
Ds\Collection::toArray — Converts the collection to an array

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