MongoDB\Driver\ReadPreference::getTagSets

(mongodb >=1.0.0)

MongoDB\Driver\ReadPreference::getTagSets — Returns the ReadPreference's "tagSets" option

Description

finalpublicMongoDB\Driver\ReadPreference::getTagSets(): array

Parameters

This function has no parameters.

Return Values

Returns the ReadPreference's "tagSets" option.

Errors/Exceptions

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

Examples

Example #1 MongoDB\Driver\ReadPreference::getTagSets() example

<?php

$mode = MongoDB\Driver\ReadPreference::RP_SECONDARY_PREFERRED;


$rp = new MongoDB\Driver\ReadPreference($mode, null);
var_dump($rp->getTagSets());

$rp = new MongoDB\Driver\ReadPreference($mode, []);
var_dump($rp->getTagSets());


$rp = new MongoDB\Driver\ReadPreference($mode, [['dc' => 'ny']]);
var_dump($rp->getTagSets());


$rp = new MongoDB\Driver\ReadPreference($mode, [
 ['dc' => 'ny'],
 ['dc' => 'sf', 'use' => 'reporting'],
 [],
]);
var_dump($rp->getTagSets());

?>

The above example will output:

array(0) { } array(0) { } array(2) { [0]=> array(1) { ["dc"]=> string(2) "ny" } [1]=> array(0) { } } array(3) { [0]=> array(1) { ["dc"]=> string(2) "ny" } [1]=> array(2) { ["dc"]=> string(2) "sf" ["use"]=> string(9) "reporting" } [2]=> array(0) { } }