function init_database($params = '', $return = FALSE)
{
$dsn_str = FALSE;
$db_vals = array('hostname' => '', 'username' => '', 'password' => '', 'database' => '', 'pconnect' => FALSE, 'dbdriver' => 'mysql', 'db_debug' => FALSE);
if (is_array($params)) {
foreach ($db_vals as $key => $val) {
if (isset($params[$key])) {
$db_vals[$key] = $params[$key];
}
}
} else {
if (strpos($params, '://') !== FALSE) {
$dsn_str = TRUE;
} else {
include APPPATH . 'config/database' . EXT;
$group = $params == '' ? $active_group : $params;
foreach ($db_vals as $key => $val) {
if (isset($db[$group][$key])) {
$db_vals[$key] = $db[$group][$key];
}
}
}
}
if (!class_exists('_DB')) {
require_once BASEPATH . 'drivers/' . $db_vals['dbdriver'] . EXT;
}
if ($dsn_str === TRUE) {
$DB = new _DB($params);
} else {
$DB = new _DB($db_vals['hostname'], $db_vals['username'], $db_vals['password'], $db_vals['database']);
$DB->set_debug($db_vals['db_debug']);
$DB->set_persistence($db_vals['pconnect']);
$DB->connect();
}
if ($return === TRUE) {
return $DB;
}
global $CI;
if (!is_object($CI)) {
$this->ci_is_loaded[] = 'db';
$this->db =& $DB;
} else {
$CI->ci_is_loaded[] = 'db';
$CI->db =& $DB;
}
}
