如何将选定的单选按钮值保存到php中的下一页？

I am doing an online quiz application, i need to keep all selected radio button values to next page when i click the next button,becoz am using pagination.In this following code when am moving to next page it shows undefined offset errors .I got one more syntax error like unexpected checked in this line />'.$optA[$i].' i need solution for these problems please help anyone,thanks in advanceI am doing an online quiz application, i need t