function fizzbuzz($fizz = 3, $buzz = 5, $total = 100, $echo = true){
    $output = '';
    for($i = 1; $i <= $total; $i++) {
        $output .= ($i % $fizz == 0 && $i % $buzz == 0 ? "FizzBuzz\n" : ($i % $fizz == 0 ? "Fizz\n" : ($i % $buzz == 0 ? "Buzz\n" : ($echo ? $i."\n" : ''))));
    }
    return $output;
}

echo fizzbuzz();

# or... define some fun in it:

echo fizzbuzz(6, 2, 150, true);