PHP session_unregister() Function
What is session_unregister Function?
Explanation
The "session_unregister()" function is used to unregister a global variable from the current session.
session_unregister(name)
In the above syntax "name" specifies the global variable to be unregistered.
<?php
$test = 'Here';
session_register('test');
if(session_is_registered('test'))
{echo"registered";}
else
{echo"not registered";}
echo"<br>";
session_unregister('test');
if(session_is_registered('test'))
{echo"registered";}
else
{echo"not registered";}
?> Result :
registered
not registered
In the above example first the variable "test" is registered then it is unregistered using session_unregister() to get the result "not registered".
Syntax:
session_unregister(name)
In the above syntax "name" specifies the global variable to be unregistered.
Example :
<?php
$test = 'Here';
session_register('test');
if(session_is_registered('test'))
{echo"registered";}
else
{echo"not registered";}
echo"<br>";
session_unregister('test');
if(session_is_registered('test'))
{echo"registered";}
else
{echo"not registered";}
?>
registered
not registered
In the above example first the variable "test" is registered then it is unregistered using session_unregister() to get the result "not registered".
