Fizz Buzz implementation in PHP

[ashish-r]

Raise your PR for Fizz Buzz implementation in PHP

[thisavijit]

@ashish-r Please assign it to me

[ashish-r]

@adavijit Assigned. Happy Hacking! :)

[thisavijit]

@ashish-r #125 done. Check this one

[thisavijit]

@ashish-r Merge it

[sebabratakundu]

Hello @ashish-r , I did the FizzBuzz in php using the OOPs concept. please review my PR. Happy Hacktoberfest :)
#134