On Tue, May 17, 2016 at 5:47 AM, Ryan Pallas <derokor...@gmail.com> wrote: > Can the place holder be used twice? > In the current PR version, no. It adds complexity to the implementation when dealing with temp vars. In the interest of keeping the implementation simple, I opted for making the repeated use of $$ an error. If that's a serious problem, I can take another crack at resolving that short-coming.
> If its numeric, can I make it negative or perform other math? > You can do anything with it that you can do with any other expression. So yeah, unary minus, basic math, concat, etc... If you can use a variable there, you can use the placeholder. -Sara -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
