| public static serverSupportsFeature ( MongoDB\Driver\Server $server, integer $feature ) : boolean | ||
| $server | MongoDB\Driver\Server | Server to check |
| $feature | integer | Feature constant (i.e. wire protocol version) |
| return | boolean | |
public static function serverSupportsFeature(Server $server, $feature)
{
$info = $server->getInfo();
$maxWireVersion = isset($info['maxWireVersion']) ? (int) $info['maxWireVersion'] : 0;
$minWireVersion = isset($info['minWireVersion']) ? (int) $info['minWireVersion'] : 0;
return $minWireVersion <= $feature && $maxWireVersion >= $feature;
} /**
* Execute the operation.
*
* For servers < 2.6, this will actually perform an insert operation on the
* database's "system.indexes" collection.
*
* @see Executable::execute()
*
* @param Server $server
*
* @return string[] The names of the created indexes
*/
public function execute(Server $server)
{
if (Functions::serverSupportsFeature($server, self::$wireVersionForCommand)) {
$this->executeCommand($server);
} else {
$this->executeLegacy($server);
}
return array_map(function (IndexInput $index) {
return (string) $index;
}, $this->indexes);
}
