pls do it all with screen shot using Xampp

1. Write a PHP program to add , subtract, divide and multiply any two numbers. 2. Write a PHP program to check odd number. 3. Write a PHP program to swap two numbers using third variable. 4. Write a PHP program to find area of triangle. 5. write a php program to create an array cars and enter 5 values and print it 6. Write a PHP program to create an associative array Pizza"=>"150", "Burger" => "120", "French Fry"=>"99 and print 7. Write a php program to enter 5 values in an indexed array and sort it