[PHP] Session Variables

[Nikhil Goyal]

When does a session variable become available? Immediately after the
session_register command or after the script ends?

And if the commands are as follows:

session_start();
session_register("hello");
$hello=3;

will the session variable $hello be set to 3 or do I have to add another
session_register() call after changing the value?

Really appreciate any help,

Nikhil



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