PHP Manual
Data Structures
The Pair class

The Pair class

(PECL ds >= 1.0.0)

简介

A pair is used by Ds\Map to pair keys with values.

类摘要

class Ds\Pair implements JsonSerializable {

/* 方法 */

public __construct(mixed $key = ?, mixed $value = ?)

public clear(): void

public copy(): Ds\Pair

public isEmpty(): bool

public toArray(): array

}

Table of Contents

Ds\Pair::clear — Removes all values
Ds\Pair::__construct — Creates a new instance
Ds\Pair::copy — Returns a shallow copy of the pair
Ds\Pair::isEmpty — Returns whether the pair is empty
Ds\Pair::jsonSerialize — Returns a representation that can be converted to JSON
Ds\Pair::toArray — Converts the pair to an array