API16:JApplication/getInstance

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Description

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

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Syntax

static getInstance($client, $config=array(), $prefix= 'J')

Parameter Name	Default Value	Description
$client		A client identifier or name.
$config	array()	An optional associative array of configuration settings.
$prefix	'J'

Returns

The appliction object. 

Defined in

libraries/joomla/application/application.php

Importing

jimport( 'joomla.application.application' );

Source Body

public static function getInstance($client, $config = array(), $prefix = 'J')
{
        static $instances;
 
        if (!isset($instances)) {
                $instances = array();
        }
 
        if (empty($instances[$client]))
        {
                // Load the router object.
                jimport('joomla.application.helper');
                $info = &JApplicationHelper::getClientInfo($client, true);
 
                $path = $info->path.DS.'includes'.DS.'application.php';
                if (file_exists($path))
                {
                        require_once $path;
 
                        // Create a JRouter object.
                        $classname = $prefix.ucfirst($client);
                        $instance = new $classname($config);
                }
                else
                {
                        $error = JError::raiseError(500, 'Unable to load application: '.$client);
                        return $error;
                }
 
                $instances[$client] = &$instance;
        }
 
        return $instances[$client];
}

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Examples

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