The Collection interface

    (PECL ds >= 1.0.0)

    Einführung

    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().

    Interface-Übersicht

    interface Ds\Collection extends Countable, IteratorAggregate, JsonSerializable {
    /* Methoden */
    public function clear(): void
    public function copy(): Ds\Collection
    public function isEmpty(): bool
    public function toArray(): array
    /* Geerbte Methoden */
    public function Countable::count(): int
    public function IteratorAggregate::getIterator(): Traversable
    public function JsonSerializable::jsonSerialize(): mixed
    }

    Changelog

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

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