How to declare multiple variables in php so that it can be accessed in html script. Ex:: as scenario in html i m creating three drop down list

     1.drop down list 1
     2.drop down list 2
     3.drop down list 3 

list'1 aşağı düşerse 'gibi 3 seçenek vardır

1.india
2.uk
3.china

and each country has several states , and this has to be displayed in drop down list '2'.. If the user selects india than all the states has to b shown in drop down list'2' or '3'