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(PECL mongo >=1.5.0)
MongoDB::setWriteConcern — Set the write concern for this database
$w
[, int $wtimeout
] )w
The write concern. This may be an integer denoting the number of servers required to acknowledge the write, or a string mode (e.g. "majority").
wtimeout
The maximum number of milliseconds to wait for the server to satisfy the write concern.
Returns TRUE
on success, or FALSE
otherwise.
Emits E_WARNING
if the w parameter is not an integer or string value.
Example #1 MongoDB::setWriteConcern() example
<?php
$mc = new MongoClient ( 'mongodb://rs1.example.com,rs2.example.com' );
$db = $mc -> selectDB ( 'test' );
// Require that the majority of servers in the replica set acknowledge writes
// within three seconds.
$db -> setWriteConcern ( 'majority' , 3000 );
?>