Re: [PHP] Global Var Disappearing After Function
[email protected] (Peter van der Does)
| Newsgroups | php.general |
|---|---|
| Message-ID | <[email protected]> |
On Mon, 22 Mar 2010 16:58:33 -0400 APseudoUtopia <[email protected]> wrote: > Hey list, > > I have a very odd problem which has been driving me crazy for two > days. I've been trying to debug my code and gave up. I finally coded a > very simple representation of what the code does, and I get the same > problem. However, I still don't understand what's causing it. > > The representational code: > http://pastie.org/private/fz3lgvsjopz3dhid8cf9a > > As you can see, it's very simple. A variable is set, then a function > is called which modifies the variable in the global scope. However, > the modifications CANNOT BE SEEN after the function is called. > > The output from the script is here: > http://pastie.org/private/29r5mrr1k7rtqmw7eyoja > > As you can see, the modifications in do_test() cannot be seen after > the function is called. > > What is causing this? And how can I fix it? > > Thanks! > From PHP.net: If a globalized variable is unset() inside of a function, only the local variable is destroyed. The variable in the calling environment will retain the same value as before unset() was called. [1] [1] http://php.net/manual/en/function.unset.php -- Peter van der Does GPG key: E77E8E98 IRC: Ganseki on irc.freenode.net Twitter: @petervanderdoes WordPress Plugin Developer Blog: http://blog.avirtualhome.com Forums: http://forums.avirtualhome.com Twitter: @avhsoftware