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MongoDB\Driver\ReadPreference::__constructCreate a new ReadPreference 説明
final public MongoDB\Driver\ReadPreference::__construct(stringint
$mode , arraynull $tagSets = null , arraynull $options = null )Constructs a new MongoDB\Driver\ReadPreference, which is an immutable value object. パラメータ
エラー / 例外
変更履歴
例例1 MongoDB\Driver\ReadPreference::__construct example
<?php 上の例の出力は以下となります。 object(MongoDB\Driver\ReadPreference)#1 (1) { ["mode"]=> string(18) "secondaryPreferred" } object(MongoDB\Driver\ReadPreference)#1 (2) { ["mode"]=> string(7) "nearest" ["tags"]=> array(1) { [0]=> object(stdClass)#2 (1) { ["dc"]=> string(2) "ny" } } } object(MongoDB\Driver\ReadPreference)#1 (2) { ["mode"]=> string(9) "secondary" ["maxStalenessSeconds"]=> int(120) } object(MongoDB\Driver\ReadPreference)#1 (2) { ["mode"]=> string(9) "secondary" ["hedge"]=> object(stdClass)#1 (1) { ["enabled"]=> bool(true) } } |