Utilize the knowledge gained from week one and week two to complete this assignment.

Design a website to register for a fitness class.

It should consist of following fields, but not limited to:

$1.$ First Name

$2.$ Last Name

$3.$ Date of Birth

$4.$ Gender

$5.$ Email

$6.$ Cell Number

$7.$ Batch

All the fields should be validated using php$.$ All the validations for all the fields should be done while using functions.