Re: [PHP] Global Var Disappearing After Function
On Mon, Mar 22, 2010 at 4:58 PM, APseudoUtopia apseudouto...@gmail.com 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! -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php I believe line 8 detaches the variable $Session that exists inside the function from the global variable that exists outside the function. Andrew -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Global Var Disappearing After Function
On Mon, 22 Mar 2010 16:58:33 -0400 APseudoUtopia apseudouto...@gmail.com 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 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Global Var Disappearing After Function
On Mon, Mar 22, 2010 at 5:13 PM, Peter van der Does pvanderd...@gmail.com wrote: On Mon, 22 Mar 2010 16:58:33 -0400 APseudoUtopia apseudouto...@gmail.com 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 Ah ha! I was looking on the php.net/global page for hints, but didn't see any. I should've looked on the unset page. Thanks! -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Global Var Disappearing After Function
APseudoUtopia wrote: On Mon, Mar 22, 2010 at 5:13 PM, Peter van der Does pvanderd...@gmail.com wrote: On Mon, 22 Mar 2010 16:58:33 -0400 APseudoUtopia apseudouto...@gmail.com 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 Ah ha! I was looking on the php.net/global page for hints, but didn't see any. I should've looked on the unset page. Thanks! Really no reason to unset() it anyway since you do this: $Session = $UserInfo; -- Thanks! -Shawn http://www.spidean.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
