/**
* Callback for custom SQLite function; creates a substring
*
* @internal
*
* @param string $string The string to take a substring of
* @param integer $start The one-based position to start the substring at
* @param integer $length The length of the substring to take
* @return string The substring
*/
public static function sqliteSubstr($string, $start, $length)
{
return fUTF8::sub($string, $start - 1, $length);
}
