MongoDB\Driver\ReadConcern::__construct
(mongodb >=1.0.0)
MongoDB\Driver\ReadConcern::__construct β Create a new ReadConcern
ΠΠΏΠΈΡ
Constructs a new MongoDB\Driver\ReadConcern, which is an immutable value object.
ΠΠ°ΡΠ°ΠΌΠ΅ΡΡΠΈ
level-
The » read concern level. You may use, but are not limited to, one of the class constants.
ΠΠΎΠΌΠΈΠ»ΠΊΠΈ/Π²ΠΈΠΊΠ»ΡΡΠ΅Π½Π½Ρ
- Π£ ΡΠ°Π·Ρ ΠΏΠΎΠΌΠΈΠ»ΠΊΠΈ ΠΎΠ±ΡΠΎΠ±ΠΊΠΈ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡΠ² Π²ΠΈΠΊΠΈΠ΄Π°ΡΡΡΡΡ MongoDB\Driver\Exception\InvalidArgumentException.
ΠΡΠΈΠΊΠ»Π°Π΄ΠΈ
ΠΡΠΈΠΊΠ»Π°Π΄ #1 MongoDB\Driver\ReadConcern::__construct() example
<?php
/* Unspecified read isolation level (uses the server's default behavior) */
$rc = new MongoDB\Driver\ReadConcern();
/* Request read isolation from a single replica set node */
$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::LOCAL);
/* Request read isolation from a majority of the replica set nodes */
$rc = new MongoDB\Driver\ReadConcern(MongoDB\Driver\ReadConcern::MAJORITY);
?>ΠΡΠΎΠ³Π»ΡΠ½ΡΡΠ΅ ΡΠ°ΠΊΠΎΠΆ
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