Php/docs/mongodb-driver-readconcern.getlevel
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MongoDB\Driver\ReadConcern::getLevel
(mongodb >=1.0.0)
MongoDB\Driver\ReadConcern::getLevel — Returns the ReadConcern's "level" option
说明
final public MongoDB\Driver\ReadConcern::getLevel ( ) : string|null
参数
此函数没有参数。
返回值
Returns the ReadConcern's "level" option.
范例
Example #1 MongoDB\Driver\ReadConcern::getLevel() example
<?php$rc = new MongoDB\Driver\ReadConcern();var_dump($rc->getLevel());$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::LOCAL);var_dump($rc->getLevel());$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::MAJORITY);var_dump($rc->getLevel());?>
以上例程会输出:
NULL string(5) "local" string(8) "majority"