IMP_Dynamic_Compose::url PHP Method

    public static function url(array $opts = array())
    {
        return Horde::url('dynamic.php')->add('page', 'compose');
    }

 /**
  * Returns the appropriate link to call the message composition script.
  *
  * @param string $simplejs  Use simple JS (instead of HordePopup JS)?
  *
  * @return Horde_Url  The link to the message composition script.
  */
 public function link($simplejs = false)
 {
     global $browser, $prefs, $registry;
     $args = $this->args;
     $callback = $raw = false;
     $view = $registry->getView();
     if ($view == Horde_Registry::VIEW_SMARTMOBILE) {
         $url = new Horde_Core_Smartmobile_Url(Horde::url('smartmobile.php'));
         $url->setAnchor('compose');
     } elseif ($simplejs || $view == Horde_Registry::VIEW_DYNAMIC) {
         $args['popup'] = 1;
         $url = $view == Horde_Registry::VIEW_DYNAMIC ? IMP_Dynamic_Compose::url() : IMP_Basic_Compose::url();
         $raw = true;
         $callback = array($this, 'composeLinkSimpleCallback');
     } elseif ($view != Horde_Registry::VIEW_MINIMAL && $prefs->getValue('compose_popup') && $browser->hasFeature('javascript')) {
         $url = IMP_Basic_Compose::url();
         $callback = array($this, 'composeLinkJsCallback');
     } else {
         $url = $view == Horde_Registry::VIEW_MINIMAL ? IMP_Minimal_Compose::url() : IMP_Basic_Compose::url();
     }
     if (isset($args['mailbox'])) {
         $url = IMP_Mailbox::get($args['mailbox'])->url($url, $args['buid']);
         unset($args['buid'], $args['mailbox']);
     } elseif (!$url instanceof Horde_Url) {
         $url = Horde::url($url);
     }
     $url->setRaw($raw)->add($args);
     if ($callback) {
         $url->toStringCallback = $callback;
     }
     return $url;
 }