Joomla addViewPath() Method of Base Controller

The function adds one or more view paths to the controller's stack, in LIFO order.

• mixed $path - The directory (string) or list of directories (array) to add
• return \JControllerLegacy - This object to support chaining

public function addViewPath($path)
{
 return $this->addPath('view', $path);
}

The addPath()

The function adds to the search path for templates and resources.

• string $type - The path type (e.g. 'model', 'view')
• mixed $path - The directory string or stream array to search
• return \JControllerLegacy - A \JControllerLegacy object to support chaining

protected function addPath($type, $path)
 {
 if (!isset($this->paths[$type]))
 {
 $this->paths[$type] = array();
 }

// Loop through the path directories
 foreach ((array) $path as $dir)
 {
 // No surrounding spaces allowed!
 $dir = rtrim(\JPath::check($dir), '/') . '/';

// Add to the top of the search dirs
 array_unshift($this->paths[$type], $dir);
 }

return $this;
 }