PHP is unable to retrieve information via $_POST on my localhost but $_GET works?

Question

Let me preface this by saying that this is most certainly not a code issue but a config issue. I have been able to implement the code fine on my live server, this problem only occurs on my localhost.

I recently setup PHP and Apache (and mySQL) on my windows XP box. This is my first experience with PHP and it took me a long time to get everything working so bear with me. Everything was fine until I attempted to grab something using $_POST["mypostvar"] which returned an error saying "mypostvar" was not found while $_GET["mygetvar"] works fine.
The exact error is : "Notice: Undefined index: mypostvar".
I tried running var_dump($_POST);die; and it also returned nothing. I've tried all sorts of changes within php.ini including:
register_globals = "on"
gpc_order = "GPC"
I also tried the following things:
$_REQUEST["process"]
$HTTP_RAW_POST_DATA with always_populate_raw_post_data on

Version Info:
PHP Version 5.2.0RC6-dev
Apache Version:Apache/2.2.3 (Win32) PHP/5.2.0RC6-d

Answer 1

Use single quotes as text qualifieres for the associative names in your $_POST array.



$_POST['var']



Double-quotes are not the same as single-quotes in PHP; as such, in certain configurations, depending on your magic quotes settings, you may get the unintended results you are seeing by using double-quotes.



Except when using the pseudofunctions echo or print, always use single-quotes as string qualifiers.



UPDATE:



After looking at this again, I think the problem is that your code is set up so that you are using the POST variable before those variables are defined.



You can simply do this:



$something = @$_POST['mypostvar'];



And you won't get the error messages any more.



Additionally, because you have turned register_globals on, you can always access the variable by its key:



$something = $mypostvar;



If none of that works, the PHP bugs section notes some issues with running PHP 4 off a Windows Apache install.

Answer 2

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Answer 3

make sure that whatever is named 'mygetvar' looks like this:



Name="mygetvar"



i have found that having it like this:



ID="mygetvar"



does not work in PHP

Answer 4

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Answer 5

is it the form, and not the cgi?

METHOD="POST" with an appropriate encoding too!