Help me Web dev

Task 1: PHP Basics Exercise 1: Download and install one of the four PHP development environment in your own computer: XAMPP, WAMP, MAMP, LAMP Exercise 2: write a PHP script to display the following strings: 'Tomorrow I\'ll study PHP server-side scripting language.' 'Can you check if this command is correct : del c:\\*.*' Exercise 3: write a PHP script to display the following table: Firstname Lastname Age Jill Smith Jackson Doe Eve John 94 86 Task 2: PHP Functions Exercise 4: write a PHP function to calculate the factorial of a positive integer number. The function accepts the number as an argument Exercise 5: write a PHP function to check if a positive integer number is prime or not. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself Exercise 6: write a PHP function to sort a numerical array Exercise 7: write a PHP function to reverse a string