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Q2: Start XAMPP on your workstation or laptop. - Write your name and student ID as a PHP command. Your name and ID is kept in a variable. - Initialize a variable x to be the string "15.1". Convert the variable to double and print it to the screen. - Initialize a variable y to be the integer 20. - Print on the screen the product of x and y. - submit the code. Q3: Start XAMPP on your workstation or laptop. - Write your name and student ID as a PHP command. Your name and ID is kept in a variable. - Initialize two array variables: X=Y={2,4,5,7,8}{{1,0,3,1,4}{0,1,0,0,2}{1,2,2,1,0}{4,3,2,1,3}} Write a PHP code that computes YX, the multiplication of a matrix with a vector. Print out the initial values for X and Y and the result. Submit the code