PHP - Manual: MongoDB\Driver\ReadPreference::getModeString
2024-11-15
(mongodb >=1.7.0)
MongoDB\Driver\ReadPreference::getModeString — Returns the ReadPreference's "mode" option as a string
此函数没有参数。
Returns the ReadPreference's "mode" option as a string.
示例 #1 MongoDB\Driver\ReadPreference::getModeString() example
<?php
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::SECONDARY);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::SECONDARY_PREFERRED);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::NEAREST);
var_dump($rp->getModeString());
?>
以上例程会输出:
string(7) "primary" string(16) "primaryPreferred" string(9) "secondary" string(18) "secondaryPreferred" string(7) "nearest"
官方地址:https://www.php.net/manual/en/mongodb-driver-readpreference.getmodestring.php