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MongoDB\Driver\ReadPreference::getMaxStalenessSeconds

(mongodb >=1.2.0)

MongoDB\Driver\ReadPreference::getMaxStalenessSeconds — Returns the ReadPreference's "maxStalenessSeconds" option

說(shuō)明

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

參數

此函數沒(méi)有參數。

返回值

Returns the ReadPreference's "maxStalenessSeconds" option. If no max staleness has been specified, MongoDB\Driver\ReadPreference::NO_MAX_STALENESS will be returned.

錯誤／異常

范例

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

<?php

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

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY, null, [
    'maxStalenessSeconds' => MongoDB\Driver\ReadPreference::NO_MAX_STALENESS,
]);
var_dump($rp->getMaxStalenessSeconds());

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY, null, [
    'maxStalenessSeconds' => MongoDB\Driver\ReadPreference::SMALLEST_MAX_STALENESS_SECONDS,
]);
var_dump($rp->getMaxStalenessSeconds());

$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_SECONDARY, null, [
    'maxStalenessSeconds' => 1000,
]);
var_dump($rp->getMaxStalenessSeconds());

?>

以上例程會(huì )輸出：

int(-1)
int(-1)
int(90)
int(1000)
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