Granada\ORM::_log_query PHP Method

    protected static function _log_query($query, $parameters, $connection_name)
    {
        // If logging is not enabled, do nothing
        if (!self::$_config[$connection_name]['logging']) {
            return false;
        }
        if (!isset(self::$_query_log[$connection_name])) {
            self::$_query_log[$connection_name] = array();
        }
        if (count($parameters) > 0) {
            // Escape the parameters
            $parameters = array_map(array(self::$_db[$connection_name], 'quote'), $parameters);
            // Avoid %format collision for vsprintf
            $query = str_replace("%", "%%", $query);
            // Replace placeholders in the query for vsprintf
            if (false !== strpos($query, "'") || false !== strpos($query, '"')) {
                $query = Orm\String::str_replace_outside_quotes("?", "%s", $query);
            } else {
                $query = str_replace("?", "%s", $query);
            }
            // Replace the question marks in the query with the parameters
            $bound_query = vsprintf($query, $parameters);
        } else {
            $bound_query = $query;
        }
        self::$_last_query = $bound_query;
        self::$_query_log[$connection_name][] = $bound_query;
        if (is_callable(self::$_config[$connection_name]['logger'])) {
            $logger = self::$_config[$connection_name]['logger'];
            $logger($bound_query);
        }
        return true;
    }