MongoDB::getWriteConcern

(PECL mongo >=1.5.0)

MongoDB::getWriteConcern — Get the write concern for this database

说明

public array MongoDB::getWriteConcern ( void )

参数

此函数没有参数。

返回值

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.

范例

Example #1 MongoDB::getWriteConcern() return value example

  <?php

$mc  = new  MongoClient ( 'mongodb://localhost:27017' , array( 'wTimeoutMS'  =>  500 ));
 $db  =  $mc -> selectDB ( 'test' );
 var_dump ( $db -> getWriteConcern ());

 $db -> setWriteConcern ( 1 ,  1000 );
 var_dump ( $db -> getWriteConcern ());
 ?>

以上例程会输出：

array(2) {
  ["w"]=>
  int(1)
  ["wtimeout"]=>
  int(500)
}
array(2) {
  ["w"]=>
  int(1)
  ["wtimeout"]=>
  int(1000)
}

参见

The write concern documentation.
MongoDB::setWriteConcern() - Set the write concern for this database