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    MongoDB\Driver\ReadPreference::getMaxStalenessSeconds

    (mongodb >=1.2.0)

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

    说明

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

    参数

    此函数没有参数。

    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.

    错误／异常

    示例

    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());

    ?>

    以上示例会输出：

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