Need help with PHP

Modify your Registration form so that you use a single file to process and display the form. In addition to your required fields, write functions to ensure that the following validation rules are applied Gender is Male or Female Birth day is 01 through 12 Birth month is a valid month Birth year is a valid year (perhaps between 100 years ago and the current year?) Email contains an @ symbol and a dot (.) Your functions should be in an include file. Zip your PHP files and upload to Canvas, and type the URL of your page into the comment box. Bonus Point: Make your form sticky! Modify your Registration form so that you use a single file to process and display the form. In addition to your required fields, write functions to ensure that the following validation rules are applied Gender is Male or Female Birth day is 01 through 12 Birth month is a valid month Birth year is a valid year (perhaps between 100 years ago and the current year?) Email contains an @ symbol and a dot (.) Your functions should be in an include file. Zip your PHP files and upload to Canvas, and type the URL of your page into the comment box. Bonus Point: Make your form sticky