public function count()
    {
        if (is_callable($count = $this->count)) {
            $this->count = $count();
        }

        return $this->count;
    }
public function count()
    {
        if (is_callable($count = $this->count)) {
            $this->count = $count();
        }

        return $this->count;
    }
public function count ( ) { if ( is_callable ( $ count = $ this -> count ) ) { $ this -> count = $ count ( ) ; } return $ this -> count ; }
Get the total number of tagged services.

@return int
Get the total number of tagged services .