Convert mysqli query to PDO query

I have this query, which need to be converted to PDO query. If I use this query in PDO, its error, than query do not contains : etc. Please help how to convert this query to PDO SQLITE. http://ift.tt/1M8WCrx

Thank you.

SELECT tym, vyhry, rozdil,rank
from
(
      SELECT tym, vyhry, rozdil, @winrank := @winrank + 1 AS rank
      from tempporadi,(SELECT @winrank := 0) r 
      ORDER BY vyhry DESC,rozdil DESC
)  rt   
WHERE tym = $y
ORDER BY tym