Re: what happened to that new isset() like language

From: Date: Sun, 30 Oct 2005 08:52:47 +0000
Subject: Re: what happened to that new isset() like language
References: 1 2  Groups: php.internals 
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I'm a big fan of coalesce($param1, $param2, ..., $paramN) (or firstset()). The syntax allows for more than what ifsetor($var, $value) would do. Ifsetor() could be done in userspace, but I don't see how coalesce() could, because of the variable number of parameters. Ron "Sean Coates" <sean@caedmon.net> wrote in message news:43643EDF.1010301@caedmon.net... > Bob Silva wrote: > > It should be a function and not a language construct IMHO. Either ifsetor or > > overload the isset statement (which may not be possible within the engine). > > It _has_ to be a language construct, and not a function (otherwise, we'd > get a notice when first using the variable). > > It could, however, be a language construct that LOOKS like a function. > This is how isset() and empty() work. > > Also, if this was possible as a function, it could be solved in > user-space, and we wouldn't be having this conversation. > > (not that I claim to be an internals expert.. if I'm wrong, feel free to > correct me) > > To pitch in my 0.02 CAD: this functionality is valuable to me, but I > don't care what we name it, or how it works. I could also live without > it: isset() + ternary + redundant typing. > > S

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