public static function getInstance($extension, $options = array())
	{
		$hash = md5($extension . serialize($options));

		if (isset(self::$instances[$hash]))
		{
			return self::$instances[$hash];
		}

		$parts = explode('.', $extension);
		$component = 'com_' . strtolower($parts[0]);
		$section = count($parts) > 1 ? $parts[1] : '';
		$classname = ucfirst(substr($component, 4)) . ucfirst($section) . 'Categories';

		if (!class_exists($classname))
		{
			$path = JPATH_SITE . '/components/' . $component . '/helpers/category.php';

			if (is_file($path))
			{
				include_once $path;
			}
			else
			{
				return false;
			}
		}

		self::$instances[$hash] = new $classname($options);

		return self::$instances[$hash];
	}
public static function getInstance($extension, $options = array())
	{
		$hash = md5($extension . serialize($options));

		if (isset(self::$instances[$hash]))
		{
			return self::$instances[$hash];
		}

		$parts = explode('.', $extension);
		$component = 'com_' . strtolower($parts[0]);
		$section = count($parts) > 1 ? $parts[1] : '';
		$classname = ucfirst(substr($component, 4)) . ucfirst($section) . 'Categories';

		if (!class_exists($classname))
		{
			$path = JPATH_SITE . '/components/' . $component . '/helpers/category.php';

			if (is_file($path))
			{
				include_once $path;
			}
			else
			{
				return false;
			}
		}

		self::$instances[$hash] = new $classname($options);

		return self::$instances[$hash];
	}
public static function getInstance ( $ extension , $ options = array ( ) ) { $ hash = md5 ( $ extension . serialize ( $ options ) ) ; if ( isset ( self :: $ instances [ $ hash ] ) ) { return self :: $ instances [ $ hash ] ; } $ parts = explode ( '.' , $ extension ) ; $ component = 'com_' . strtolower ( $ parts [ 0 ] ) ; $ section = count ( $ parts ) > 1 ? $ parts [ 1 ] : '' ; $ classname = ucfirst ( substr ( $ component , 4 ) ) . ucfirst ( $ section ) . 'Categories' ; if ( ! class_exists ( $ classname ) ) { $ path = JPATH_SITE . '/components/' . $ component . '/helpers/category.php' ; if ( is_file ( $ path ) ) { include_once $ path ; } else { return false ; } } self :: $ instances [ $ hash ] = new $ classname ( $ options ) ; return self :: $ instances [ $ hash ] ; }
Returns a reference to a JCategories object

@param   string  $extension  Name of the categories extension
@param   array   $options    An array of options

@return  JCategories         JCategories object

@since   11.1
Returns a reference to a JCategories object