MongoDB::getReadPreferenceGet the read preference for this database
&reftitle.description;
publicarrayMongoDB::getReadPreference
&reftitle.parameters;
&no.function.parameters;
&reftitle.returnvalues;
&mongo.getreadpreference.returnvalues;
&reftitle.changelog;
&Version;&Description;1.3.3
The return value has changed to be consistent with
MongoDB::setReadPreference. The
type value was changed from a number to a string,
type_string was removed, and
tagsets now expresses tags as key/value pairs instead
of colon-delimited strings.
&reftitle.examples;
<methodname>MongoDB::getReadPreference</methodname> return value example
test;
$db->setReadPreference(MongoClient::RP_SECONDARY, array(
array('dc' => 'east', 'use' => 'reporting'),
array('dc' => 'west'),
array(),
));
var_dump($db->getReadPreference());
?>
]]>
&example.outputs;
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) {
}
}
}
]]>
&reftitle.seealso;
The read preferences documentation.MongoDB::setReadPreference