static function init()
{
if (!DatabaseManager::$isInit) {
$dbname = $_SERVER["DOCUMENT_ROOT"] . '/database/perroquet.sqlite';
DatabaseManager::$base = new SQLite3($dbname);
if (DatabaseManager::$base == null) {
echo "SQLite NOT supported.\n" . '<br/>';
exit($err);
}
DatabaseManager::$isInit = true;
}
}