Doctrine\ORM\Query\Parser::CustomFunctionsReturningStrings PHP Метод

    public function CustomFunctionsReturningStrings()
    {
        $funcName = $this->_lexer->lookahead['value'];
        // getCustomStringFunction is case-insensitive
        $funcClass = $this->_em->getConfiguration()->getCustomStringFunction($funcName);
        $function = new $funcClass($funcName);
        $function->parse($this);

        return $function;
    }