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MongoCursor::getReadPreference

(PECL mongo >=1.3.3)

MongoCursor::getReadPreferenceGet the read preference for this query

Açıklama

public MongoCursor::getReadPreference ( void ) : array

Değiştirgeler

Bu işlevin değiştirgesi yoktur.

Dönen Değerler

This function returns an array describing the read preference. The array contains the values type for the string read preference mode (corresponding to the MongoClient constants), and tagsets containing a list of all tag set criteria. If no tag sets were specified, tagsets will not be present in the array.

Örnekler

Örnek 1 MongoCursor::getReadPreference() return value example

<?php

$m 
= new MongoClient();
$cursor $m->test->users->find();
$cursor->setReadPreference(MongoClient::RP_SECONDARY, array(
    array(
'dc' => 'east''use' => 'reporting'),
    array(
'dc' => 'west'),
    array(),
));
var_dump($cursor->getReadPreference());
?>

Yukarıdaki örneğin çıktısı:

array(2) {
  ["type"]=>
  string(9) "secondary"
  ["tagsets"]=>
  array(3) {
    [0]=>
    array(2) {
      ["dc"]=>
      string(4) "east"
      ["use"]=>
      string(9) "reporting"
    }
    [1]=>
    array(1) {
      ["dc"]=>
      string(7) "west"
    }
    [2]=>
    array(0) {
    }
  }
}

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