The Collection interface

Introduction

(PECL ds >= 1.0.0)

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 synopsis

public clear(): void

public copy(): Ds\Collection

public isEmpty(): bool

public toArray(): array

public Countable::count(): int

public IteratorAggregate::getIterator(): Traversable

public JsonSerializable::jsonSerialize(): mixed

Changelog

Table of Contents

• 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