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Posted by Rory Browne on 05/05/05 14:13
Next time you double post(I'm assuming by accident), could you reply
to one, of the posts declaring it void, and point people to the other,
so that you don't have two people answering the same question in two
different threads.
On 5/5/05, Ryan Faricy <ryan@faricy.net> wrote:
>
> "Jon M." <dsak8330225@yahoo.com> wrote in message
> news:20050505014112.37150.qmail@lists.php.net...
> >I know it's not necessary, but I still want to know how.
> >
> >
> > I know in JavaScript, that you declare vars like so:
> >
> > var = variableName;
> >
> > So I'm assuming that in PHP you do it like this:
> >
> > var = $variableName;
> >
> > But there doesn't seem to be a single shred of documentation on PHP.net
> > (or in ANY book) that covers this. All they say is that it's good
> > practice, but not necessary. Then they always skip telling you how.
> >
> > I always like to declare vars since it helps me keep track of the vars I
> > will be using, and I just like to do things right.
> >
> > So am I right about how you do it? "Yes", "No", example please??
> >
> >
> > -Jon
>
> It is good practice to define your variables (i.e., set them to 0, or empty,
> etc) at the beginning of a script, for security and reliability reasons.
>
> With PHP however, there technically is no definition of variables as in
> other languages such as Java or BASIC. To define a variable in PHP simply
> requires a $variableName = ''; or $variableName = 0; or $variableName =
> empty; etc etc. A variable is defined as soon as a value is set for it,
> therefore to define a variable, simply give it a value.
>
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>
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