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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 MongoDB\Driver\WriteConcern implements MongoDB\BSON\Serializable {
/* Constants */
const string MAJORITY = "majority" ;
/* Methods */
final public object bsonSerialize ( void )
final public __construct ( string|integer $w [, int $wtimeout [, bool $journal ]] )
final public boolean|null getJournal ( void )
final public string|integer|null getW ( void )
final public int getWtimeout ( void )
final public bool isDefault ( 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
1.2.0 Implements MongoDB\BSON\Serializable.

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