George just pointed out that this isn't quite right :)
The point is that we've got the guts, it's just a few tweaks
to get it into the parser.
--Wez.
----- Original Message -----
From: "Wez Furlong" <[EMAIL PROTECTED]>
To: "Marcus Boerger" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: "Jason Garber" <[EMAIL PROTECTED]>; "Andi Gutmans" <[EMAIL PROTECTED]>
Sent: Friday, April 16, 2004 9:19 PM
Subject: Re: [PHP-DEV] [RFC] ifsetor operator
> It's worth nothing that, if T_IFSETOR was recognized by the
> scanner as "?:", then Sascha/GCC "?:" operator is also implemented
> by this patch, by changing the parser rule from this:
>
> T_IFSETOR '(' variable ',' expr ')'
>
> to this:
>
> T_IFSETOR variable ':' expr
>
> --Wez.
>
>
> ----- Original Message -----
> From: "Marcus Boerger" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Cc: "Jason Garber" <[EMAIL PROTECTED]>; "Andi Gutmans" <[EMAIL PROTECTED]>
> Sent: Friday, April 16, 2004 8:38 PM
> Subject: [PHP-DEV] [RFC] ifsetor operator
>
>
> > [RFC] ifsetor operator
> >
> > Hello List,
> >
> > i also agrre that an internal function is much better. And here is
> > it as such an internal function (that does not result in an expensive
> > function call).
> >
> > Synopsis: "ifsetor" "(" value "," default ")"
> >
> > Returns the value if it exists or a given default value.
> >
> > Syntax: "ifsetor" "(" variable [ "," expression ] ")"
> >
> > Semantic:
> > - The value in question must be a variable.
> > - The default value can be any expression.
> > - The default value can be omitted in which case NULL will be used.
> >
> > http://marcus-boerger.de/php/ext/ze2/ze2-ifsetor-20040416-2.diff.txt
> >
> > best regards
> > marcus
> >
> >
> > Friday, April 16, 2004, 2:12:04 AM, you wrote:
> >
> > > Hello Jason,
> >
> > > here is your operator patch:
> > > http://marcus-boerger.de/php/ext/ze2/ze2-ifsetor-20040416.diff.txt
> >
> > > currently it uses the following syntax:
> >
> > > $var $: $defaul
> >
> > > which would equal
> >
> > > isset($var) ? $var : $default
> >
> > > Notice that at the moment the operator is '$:' and not '?:'. This is
> > > because i haven't looked on how to solve the conflicts i get when i
> > > use '?:'. If there is more interest in that operator i could invest
> > > more work in trying to fix that problem.
> >
> > > best regards
> > > marcus
> >
> > > According to your options and the possibility to implement this as a
> > > function. That would only work as a parser internal function like
empty
> > > or set. Doing so would be very easy i guess. Though it would require a
> > > new keyword say 'ifsetor' (which reflects its purpose more as
'setor').
> >
> > > best regards
> > > marcus
> >
> > [...]
> >
> > --
> > PHP Internals - PHP Runtime Development Mailing List
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
>
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