(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)
}