Re: variable_exists() patch

At 18:38 17/08/2003, Cristiano Duarte wrote:

"Robert Cummings" <robert@wocmud.org> escreveu na mensagem news:1061086142.17849.12.camel@blobule.suds... On Sat, 2003-08-16 at 18:28, Robert Cummings wrote: It is true that I could set the value to -1 or some such other hack, or that I could use array_keys() and then check the values of the resulting array, but these are hacks for a perfectly valid use of the value null and in inadequate isset() function. I agree. If we can have one function to check this, it would be better than writing PHP hacks. Any language that don't enforce variable declaration, should have a well defined way to check whether a variable exists or not. And we are talking about the variable, not the value it stores. :)

Don't use nulls as values and you won't have to use hacks. null is not a value, was never meant to be a value, and won't be a value. Let's get this thread over with... Zeev