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/**
 * Real escapes, using mysql_real_escape_string() or addslashes()
 *
 * @see    mysql_real_escape_string()
 * @see    addslashes()
 * @access private
 *
 * @param  string $string The string to escape.
 *
 * @return string Escaped string.
 */
function _real_escape( $string ) {
     
    if ( is_resource( $this->dbhs['global_r'] ) ) {
        if ( $this->use_mysqli ) {
			return mysqli_real_escape_string( $this->dbhs['global_r'] , $string );
		} else {
			return mysql_real_escape_string( $string, $this->dbhs['global_r']  );
		}
    } else {
        return addslashes( $string );
    }
}