API16

JSession/clear

From Joomla! Documentation

< API16:JSession

The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.

Description[edit]

Unset data from the session store



Syntax[edit]

clear($name, $namespace= 'default')
Parameter Name Default Value Description
$name Name of variable
$namespace 'default' Namespace to use, default to 'default'

Returns[edit]

mixed The value from session or NULL if not set

Defined in[edit]

libraries/joomla/session/session.php

Importing[edit]

jimport( 'joomla.session.session' );

Source Body[edit]

public function clear($name, $namespace = 'default')
{
        $namespace = '__'.$namespace; //add prefix to namespace to avoid collisions

        if ($this->_state !== 'active') {
                // @TODO :: generated error here
                return null;
        }

        $value  =       null;
        if (isset($_SESSION[$namespace][$name])) {
                $value  =       $_SESSION[$namespace][$name];
                unset($_SESSION[$namespace][$name]);
        }

        return $value;
}



Examples[edit]

Code Examples[edit]