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The MongoDB\Driver\WriteConcern class

(mongodb >=1.0.0)


MongoDB\Driver\WriteConcern describes the level of acknowledgement requested from MongoDB for write operations to a standalone mongod 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, ?bool $journal = null)
final public getJournal(): ?bool
final public getW(): string|int|null
final public getWtimeout(): int
final public isDefault(): bool
final public serialize(): string
final public unserialize(string $data): void

Predefined Constants


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.


Version Description
PECL mongodb 1.7.0 Implements Serializable.
PECL mongodb 1.2.0 Implements MongoDB\BSON\Serializable.

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