Array ( [0] => polski [1] => angielski [2] => matma [3] => PAI [4] => historia )

polski
angielski
matma
PAI
historia

array(5) { [0]=> string(6) "polski" [1]=> string(9) "angielski" [2]=> string(5) "matma" [3]=> string(3) "PAI" [4]=> string(8) "historia" }