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The MongoDB\Driver\WriteConcern class

(mongodb >=1.0.0)

Introduction

MongoDB\Driver\WriteConcern describes the level of acknowledgement requested from MongoDB for write operations to a standalonemongod or to replica sets or to sharded clusters. In sharded clusters, mongos instances will pass the write concern on to the shards.

Class synopsis

final class MongoDB\Driver\WriteConcern implements MongoDB\BSON\Serializable, Serializable {

/* Constants */

const string MAJORITY = "majority";

/* Methods */

final public bsonSerialize(): stdClass

final public __construct(string|int $w, ?int $wtimeout = [null](reserved.constants.php#constant.null), ?bool $journal = [null](reserved.constants.php#constant.null))

final public getJournal(): ?bool

final public getW(): string|int|null

final public getWtimeout(): int

final public isDefault(): bool

}

Predefined Constants

[MongoDB\Driver\WriteConcern::MAJORITY](class.mongodb-driver-writeconcern.php#mongodb-driver-writeconcern.constants.majority)

Majority of all the members in the set; arbiters, non-voting members, passive members, hidden members and delayed members are all included in the definition of majority write concern.

Changelog

Table of Contents

• MongoDB\Driver\WriteConcern::bsonSerialize — Returns an object for BSON serialization
• MongoDB\Driver\WriteConcern::__construct — Create a new WriteConcern
• MongoDB\Driver\WriteConcern::getJournal — Returns the WriteConcern's "journal" option
• MongoDB\Driver\WriteConcern::getW — Returns the WriteConcern's "w" option
• MongoDB\Driver\WriteConcern::getWtimeout — Returns the WriteConcern's "wtimeout" option
• MongoDB\Driver\WriteConcern::isDefault — Checks if this is the default write concern

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