(PECL ev >= 0.2.0)
EvLoop::embed — Creates an instance of EvEmbed watcher associated with the current EvLoop object
$other
   ,$callback
    = ?,$data
    = ?,$priority
    = ?Creates an instance of EvEmbed watcher associated with the current EvLoop object.
All parameters have the same meaning as for EvEmbed::__construct() .
Returns EvEmbed object on success.