PHP session_is_registered() Function

What is session_is_registered Function?

Explanation

The "session_is_registered()" function is used to find whether a global variable is registered.

Syntax:


session_is_registered(name);

In the above syntax "name" specifies the variable name to be checked whether it is registered, if registered returns a "true" value.

Example :


<?php
$test = 'Here';
session_register('test');
if(session_is_registered('test'))
{echo"registered";}
else
{echo"not registered";}
?>
Result :

registered

In the above example the session_is_registered() function is used to check the variable "test", since true it displays "registered".

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