Joomla! Documentation™

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Description

Returns the global User object, only creating it if it doesn't already exist.

Syntax

static getInstance($identifier=0)

Parameter Name	Default Value	Description
$identifier	0	$id The user to load - Can be an integer or string - If string, it is converted to ID automatically.

Returns

The User object. 

Defined in

libraries/joomla/user/user.php

Importing

jimport( 'joomla.user.user' );

Source Body

static function getInstance($identifier = 0)
{
        static $instances;

        if (!isset ($instances)) {
                $instances = array ();
        }

        // Find the user id
        if (!is_numeric($identifier))
        {
                jimport('joomla.user.helper');
                if (!$id = JUserHelper::getUserId($identifier)) {
                        JError::raiseWarning('SOME_ERROR_CODE', 'JUser::_load: User '.$identifier.' does not exist');
                        $retval = false;
                        return $retval;
                }
        } else {
                $id = $identifier;
        }

        if (empty($instances[$id])) {
                $user = new JUser($id);
                $instances[$id] = $user;
        }

        return $instances[$id];
}