Re: [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" <helly@php.net> To: <internals@lists.php.net> Cc: "Jason Garber" <jason@ionzoft.com>; "Andi Gutmans" <andi@zend.com> 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 > >