few php session related questions

<? php session_start()

$_SESSION [ "variable value" ];



from where does that variable value come from ?

from the

form ?
database?

and how can GET that variable name and send it via email ? is it possible in a scenario like this ?

 

In your code it doesn't, it throws an error.

In code that runs, it gets its value from the assignment statement that assigns it:

$_SESSION['my_variable'] = 12345;

It doesn't. The mail() function sends whatever you put into its variables.

(You're going to keep getting answers that make no sense to you, because you keep asking questions that make no sense.)

 

Session variables allow you to persist values for one user with multiple pages. The mechanism used is either cookies or in the url string.

You have to set them before using them since session variables are just an array.

As to email. That is another problem. Once set, the session variables can be used like other variables to create email, etc.

You can also use isset to verify that the session variable has been set.

 

You can have users setting the sessions through form fields.

$_SESSION['name'] = $_POST['name'];
$_SESSION[address] = $_POST[address];
$_SESSION[city] = $_POST[city];
$_SESSION[state] = $_POST[state];
$_SESSION[zip] = $_POST[zip];

 

I would suggest being extremely careful setting raw POST variables to a session variable or using them in any way as-is. At the very least you need to sanitize the user input before using it for anything.

 

The session value of the variable is assigned from whatever the value of variable is set.

 

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[TD="width: 390"]Just create header files for every page where it is necessary. Provide your metatags in your header file and call the header file where you need your metatags to be placed.
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