How would I create a landing page titled index.php. the app is to contain 3 php functions. Using url parameters and $_GET

1: Sayhi

2:GCD

3: Hypotenuse

Overview: In this assignment, you are to create a PHP file that: Is named index.php . ndex.php should have a landing page with some text o Example: "Welcome to my first php app" Welcome to my first php app es.com/CS2830/Challenge8 o https://www.professorwergel o Read about $_GET at https://www.w3schools.com/php/php superglobals.as o Read about echo/print at https://www.w3schools.com/php/php echo print. o sayHi: . Reads parameters sent through the $ GET Super-global Array Displays information to the browser using echo/print Performs the following 5 functions: . URL : . Aindex.php?myFunction-sayHi&myName-Nick o gcd: URL:/lindex.php?myFunction-gcd&x 3&y4 o hypotenuse URL:../index.php?myFunction hypotenuse&a-3&b-4 hitps o showPic: URL:Jindex.php?myFunction showPic o showList: CJ 80