Create fizz-buzz.php

Created a fizzbuzz function that will accept positive integer range and for each increment in the range will print the following rules:




   - "Fizz" if a multiple of 3
   - "Buzz" if a multiple of 5
   - The integer itself otherwise.








Example code:
echo fizzbuzz(1,20);




Display:
1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 Fizz 16 17 Fizz 19 Buzz