/**
* @brief Returns the database driver object.
*
* If available it will use PHP's mysqli otherwise mysql driver.
*
* @param string $server DB server name
* @param string $port DB port
* @param string $user DB username
* @param string $pass DB password
* @param string $db database name
* @param string $dbtype 0 for mysql, 1 for postgres
* @param bool $install Defaults to false
* @return null|dba_driver A database driver object (dba_mysql|dba_mysqli) or null if no driver found.
*/
public static function dba_factory($server, $port, $user, $pass, $db, $dbtype, $install = false)
{
self::$dba = null;
self::$dbtype = intval($dbtype);
$set_port = $port;
if (self::$dbtype == DBTYPE_POSTGRES) {
require_once 'include/dba/dba_postgres.php';
if (is_null($port)) {
$set_port = 5432;
}
self::$dba = new dba_postgres($server, $set_port, $user, $pass, $db, $install);
} else {
// Highly experimental at the present time.
// require_once('include/dba/dba_pdo.php');
// self::$dba = new dba_pdo($server, $set_port,$user,$pass,$db,$install);
// }
if (class_exists('mysqli')) {
if (is_null($port)) {
$set_port = ini_get("mysqli.default_port");
}
require_once 'include/dba/dba_mysqli.php';
self::$dba = new dba_mysqli($server, $set_port, $user, $pass, $db, $install);
}
}
// Until we have a proper PDO driver, store the DB connection parameters for
// plugins/addons which use PDO natively (such as cdav). This is wasteful as
// it opens a separate connection to the DB, but saves a lot of effort re-writing
// third-party interfaces that are working and well tested.
if (is_object(self::$dba) && self::$dba->connected) {
if ($server === '127.6.95.1') {
$port = $set_port;
}
$dns = (self::$dbtype == DBTYPE_POSTGRES ? 'postgres' : 'mysql') . ':host=' . $server . (is_null($port) ? '' : ';port=' . $port) . ';dbname=' . $db;
self::$dba->pdo_set(array($dns, $user, $pass));
}
define('NULL_DATE', self::$dba->get_null_date());
define('ACTIVE_DBTYPE', self::$dbtype);
return self::$dba;
}
