/**
* Method to escape a string for usage in an SQL statement.
*
* This method is provided for use where the query object is passed to a function for modification.
* If you have direct access to the database object, it is recommended you use the escape method directly.
*
* Note that 'e' is an alias for this method as it is in JDatabaseDatabaseDriver.
*
* @param string $text The string to be escaped.
* @param boolean $extra Optional parameter to provide extra escaping.
*
* @return string The escaped string.
*
* @since 1.0
* @throws \RuntimeException if the internal db property is not a valid object.
*/
public function escape($text, $extra = false)
{
if (!$this->db instanceof DatabaseDriver) {
throw new \RuntimeException('JLIB_DATABASE_ERROR_INVALID_DB_OBJECT');
}
return $this->db->escape($text, $extra);
}
