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(PECL mongo >=1.5.0)
MongoCollection::getWriteConcern — Get the write concern for this collection
此函数没有参数。
This function returns an array describing the write concern. The array contains the values w for an integer acknowledgement level or string mode, and wtimeout denoting the maximum number of milliseconds to wait for the server to satisfy the write concern.
Example #1 MongoCollection::getWriteConcern() return value example
<?php
$mc = new MongoClient ( 'mongodb://localhost:27017' , array( 'wTimeoutMS' => 500 ));
$coll = $mc -> selectCollection ( 'test' , 'foo' );
var_dump ( $coll -> getWriteConcern ());
$coll -> setWriteConcern ( 1 , 1000 );
var_dump ( $coll -> getWriteConcern ());
?>
以上例程会输出:
array(2) { ["w"]=> int(1) ["wtimeout"]=> int(500) } array(2) { ["w"]=> int(1) ["wtimeout"]=> int(1000) }