Re: Why is require still a function?

Hi, On Mon, Dec 23, 2013 at 8:28 AM, Kevin Ingwersen <ingwie2000@googlemail.com>wrote: > Hello there. > > I have seen an implementation of nodejs’ require function - but it needed > to use a variable-function ($require(string $name)) instead, because > ‚require()‘ is given. > > My questions are: > - Why is require still also available as a function? > - Why can’t re re-define something like that? > This is because require is not a function but a language construct; the token is defined in the language parser definition: http://lxr.php.net/xref/PHP_5_6/Zend/zend_language_parser.y#62 Because of this, require is a reserved word unless exceptions are made in the parser itself, so class require and function require(), even when defined inside your own namespace will cause a parse error. > > Kind regards, and thanks! ^^ > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > > -- -- Tjerk