/**
* The main handler for the specfied handle.
*
* @param string $handle The instance handle.
*
* @return Handler
*/
public function handle($handle)
{
// Sanitize the handle name.
$this->handle = $this->utility->sanitize_handle($handle);
// Register this handle with the frontend class.
$this->frontend->register_handle($this->handle);
// Register the Ajax handler in the WordPress hook system.
add_action('wp_ajax_' . $this->handle, array($this, 'ajax_handler'));
add_action('wp_ajax_nopriv_' . $this->handle, array($this, 'ajax_handler'));
return $this;
}
