API16:JSession/clear

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Description

Unset data from the session store

Syntax

clear($name, $namespace= 'default')

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

Returns

mixed The value from session or NULL if not set

Defined in

libraries/joomla/session/session.php

Importing

jimport( 'joomla.session.session' );

Source Body

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

<CodeExamplesForm />