session_unregister --
Unregister a global variable from the current session
Syntax
bool session_unregister ( string name )
session_unregister() unregisters
the global variable named name from the
current session.
This function returns TRUE when the variable is successfully
unregistered from the session.
Note:
If $_SESSION (or
$HTTP_SESSION_VARS for PHP 4.0.6 or less) is
used, use unset() to unregister a session
variable. Do not unset()$_SESSION
itself as this will disable the special function of the
$_SESSION superglobal.
Caution
This function does not unset the corresponding global variable for
name, it only prevents the variable from being
saved as part of the session. You must call unset()
to remove the corresponding global variable.
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Php session unregister syntax tutorial
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