function getConnection($dbHost = null, $dbUser = null, $dbPassword = null, $dbName = null, $dbLogLevel = null)
{
static $instance;
//DB_HOST, DB_USER, DB_PASSWORD, DB_NAME, DEBUG_LEVEL
if (defined('DB_HOST') && $dbHost == null) {
$dbHost = osc_db_host();
}
if (defined('DB_USER') && $dbUser == null) {
$dbUser = osc_db_user();
}
if (defined('DB_PASSWORD') && $dbPassword == null) {
$dbPassword = osc_db_password();
}
if (defined('DB_NAME') && $dbName == null) {
$dbName = osc_db_name();
}
if (defined('DEBUG_LEVEL') && $dbLogLevel == null) {
$dbLogLevel = DEBUG_LEVEL;
}
if (!isset($instance[$dbName . "_" . $dbHost])) {
if (!isset($instance)) {
$instance = array();
}
$instance[$dbName . "_" . $dbHost] = new DB($dbHost, $dbUser, $dbPassword, $dbName, $dbLogLevel);
}
return $instance[$dbName . "_" . $dbHost];
}
public function __construct()
{
$this->conn = getConnection(osc_db_host(), osc_db_user(), osc_db_password(), osc_db_name(), DEBUG_LEVEL);
}
function is_osclass_installed()
{
if (!file_exists(ABS_PATH . 'config.php')) {
return false;
}
require_once ABS_PATH . 'config.php';
$conn = new DBConnectionClass(osc_db_host(), osc_db_user(), osc_db_password(), osc_db_name());
$c_db = $conn->getOsclassDb();
$comm = new DBCommandClass($c_db);
$rs = $comm->query(sprintf("SELECT * FROM %st_preference WHERE s_name = 'osclass_installed'", DB_TABLE_PREFIX));
if ($rs == false) {
return false;
}
if ($rs->numRows() != 1) {
return false;
}
return true;
}
/**
* It creates a new DBConnection object class or if it has been created before, it
* returns the previous object
*
* @access public
* @since 2.3
* @param string $server Host name where it's located the mysql server
* @param string $user MySQL user name
* @param string $password MySQL password
* @param string $database Default database to be used when performing queries
* @return DBConnectionClass
*/
public static function newInstance($server = '', $user = '', $password = '', $database = '')
{
$server = $server == '' ? osc_db_host() : $server;
$user = $user == '' ? osc_db_user() : $user;
$password = $password == '' ? osc_db_password() : $password;
$database = $database == '' ? osc_db_name() : $database;
if (!self::$instance instanceof self) {
self::$instance = new self($server, $user, $password, $database);
}
return self::$instance;
}