Description:
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I have installed PhP in Windows SP in ISAPI.
I have followed the instructions of the documentation: 
PHP Manual-> A simple tutorial-> Dealing with forms
Example 2.6. A simple HTML form


<form action="action.php" method="post">
 <p>Your name: <input type="text" name="name" /></p>
 <p>Your age: <input type="text" name="age" /></p>
 <p><input type="submit" /></p>
</form>

and then

Hi <?php echo htmlspecialchars($_POST['name']); ?>.
You are <?php echo (int)$_POST['age']; ?> years old.

And it does not work !!!!

I have lost 2 hours to know that I can solve this problem changing the php.ini file-> register_globals to on.
Why did they change to off?
Is ther other any other better solution? (if they move to off from the previous vertion is because they found a way to get POST working in other better way, I presume)
Why there is not documentation about this requirement?

I think is important to help new people to start php without headaches, do you agree?

Thanks


Reproduce code:
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<form action="action.php" method="post">
 <p>Your name: <input type="text" name="name" /></p>
 <p>Your age: <input type="text" name="age" /></p>
 <p><input type="submit" /></p>
</form>

and then

Hi <?php echo htmlspecialchars($_POST['name']); ?>.
You are <?php echo (int)$_POST['age']; ?> years old.

Expected result:
----------------
Hi Emilio You are 100 years old.