POST var inside a function

[Anon]

Hi,

I sent a variable for my script via a POST form, but I can't use it inside a function. Why??? Do I need to declare that it has a global var??? How???

Thank's
Fábio

[Anon]

if you are using that variable in that form you must pass it into that function

functin whatever (type yourvar)
{

}

Look at the phpmanual to get the details but you must pass it into your function or make it global.

[mekka]

Hi Fabio. hope this helps.

Lets say you pass a variable called username to a script via a form. Now you want to access this variable inside a function called test. you have two options that I know of.

// option 1
// declare that you want to use the
// global variable locally
function test()
{

 global $username;

 echo ($username);

}

// option 2
// explicitly use the global variable
// by accessing the globals variable
function test()
{

 echo ($GLOBALS["username"]);

}

see these two pages:
http://php.net/manual/en/language.variables.scope.php

http://php.net/manual/en/language.variables.predefined.php