lessc_parser::isDirective PHP Method

    protected function isDirective($dirname, $directives)
    {
        // TODO: cache pattern in parser
        $pattern = implode("|", array_map(array("Beans_Lessc", "preg_quote"), $directives));
        $pattern = '/^(-[a-z-]+-)?(' . $pattern . ')$/i';
        return preg_match($pattern, $dirname);
    }