if (2 < $x <= 4) {}
Doesn't this collide with its current meaning:
if ( (2 < $x) <= 4) {}
i.e. parsing left to right, the true/false result of 2 < $x, is compared
with <= 4.
Changing the meaning could break some programs.
Tex Texin
Internationalization Architect, Yahoo! Inc.
> -----Original Message-----
> From: Jordan Miller [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, August 24, 2005 4:38 PM
> To: [email protected]
> Subject: [PHP-DEV] PHP 6.0 Wishlist
>
>
> I just joined this list and caught this thread (no suggestions like
> this in the archive)...
>
> For v6.0... how about allowing comparison operator expressions like
> the following:
>
> if (2 < $x <= 4) {}
>
> I prefer this concise way as it is common for mathematics
> expressions, and much easier to grasp physically on first glance.
> From what I can tell, this expression can currently only be
> written as:
>
> if ( $x > 2 && $x <= 4) {}
>
> Would adding this syntax to PHP be incredibly difficult or lead to
> performance slowdowns?
>
> I think I remember reading that PHP always evaluates
> expressions from
> right to left, so I guess there may be a considerable
> codebase change
> required. Maybe there could be a default function workaround
> for this
> or some other way to automagically process these more concise
> expressions without too much of a slowdown?? Just curious.
>
> Jordan
>
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