/**
* Log a message at a priority.
* If called with no arguments at all, this method will return
* the current Zend_Log instance.
*
* @param string $message Message to log
* @param integer $priority Priority of message
* @param mixed $extras Extra information to log in event
* @return void
* @throws Zend_Log_Exception
*/
public static function log($message = null, $priority = null, $extras = null)
{
if (is_null(self::$log)) {
// we initialize the log with the Null Writer in case the user
// does not specify any other writer
self::$log = new \Zend_Log(\Zend_Log_Writer_Null::factory(array()));
}
if (is_null($message) && is_null($priority) && is_null($extras)) {
return self::$log;
}
self::$log->log($message, $priority, $extras);
}
