API16:JSession/has
From Joomla! Documentation
Description
Check wheter data exists in the session store
Syntax
has($name, $namespace= 'default')
| Parameter Name | Default Value | Description |
|---|---|---|
| $name | Name of variable | |
| $namespace | 'default' | Namespace to use, default to 'default' |
Returns
boolean True if the variable exists
Defined in
libraries/joomla/session/session.php
Importing
jimport( 'joomla.session.session' );
Source Body
public function has($name, $namespace = 'default')
{
$namespace = '__'.$namespace; //add prefix to namespace to avoid collisions
if ($this->_state !== 'active') {
// @TODO :: generated error here
return null;
}
return isset($_SESSION[$namespace][$name]);
}
Examples
Code Examples