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API15

JSession/clear

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< API15:JSession
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Contents

Description

Unset data from the session store

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Syntax

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

Returns

mixed $value the value from session or NULL if not set

Defined in

libraries/joomla/session/session.php

Importing

jimport( 'joomla.session.session' );

Source Body

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;
}

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Examples

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