Edit Report a Bug

MongoDB\Driver\ReadPreference::getMode

(mongodb >=1.0.0)

MongoDB\Driver\ReadPreference::getMode — Returns the ReadPreference's "mode" option

说明

final public MongoDB\Driver\ReadPreference::getMode(): int

参数

此函数没有参数。

返回值

Returns the ReadPreference's "mode" option.

错误／异常

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

示例

示例 #1 MongoDB\Driver\ReadPreference::getMode() example

<?php

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY);
var_dump($rp->getMode());

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY_PREFERRED);
var_dump($rp->getMode());

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY);
var_dump($rp->getMode());

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY_PREFERRED);
var_dump($rp->getMode());

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_NEAREST);
var_dump($rp->getMode());

?>

以上示例会输出：

int(1)
int(5)
int(2)
int(6)
int(10)

参见

MongoDB\Driver\ReadPreference::getModeString() - Returns the ReadPreference's "mode" option as a string
» Read Preference reference

add a note

User Contributed Notes

There are no user contributed notes for this page.