Please write a PHP Code to display and store the following results as showing in the pictures

Requirements: All the input values are kept after submission

Birthday Count Down required field. Your name please: Select the month of your birthday: January January Specify the date of your birthday: 1 February March April Specify the year you were born: May June Submit July August September October November December Birthday Count Down * required field. Your name please: bob Select the month of your birthday: March Specify the date of your birthday: 5 Specify the year you were born: 2000 Submit Your birthday is: 03/05/2000. You are 21 years old. There are 6 days until your upcoming birthday. Calender for March 5, 2000 Su Mo Tu We Th Fr Sa 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31