Some Fizzbuzz implementations
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<?php | |
// https://en.wikipedia.org/wiki/Fizz_buzz | |
// http://wiki.c2.com/?FizzBuzzTest | |
for ($i=0; $i < 200; $i++) { | |
echo printFizzzBuzz($i) . PHP_EOL; | |
echo printFizzzBuzzFunctionnal($i) . PHP_EOL; | |
echo printFizzzBuzzTernary($i) . PHP_EOL; | |
} | |
// ------------------- | |
// String concat way | |
// ------------------- | |
function printFizzzBuzz($value) | |
{ | |
$result = ''; | |
if ($value % 3 === 0) { | |
$result .= 'Fizz'; | |
} | |
if ($value % 5 === 0) { | |
$result .= 'Buzz'; | |
} | |
if (empty($result)) { | |
$result = $value; | |
} | |
return $result; | |
} | |
// -------- | |
// FP way | |
// -------- | |
function printFizzzBuzzFunctionnal($value) | |
{ | |
if ($value % 15 === 0) { | |
return 'FizzBuzz'; | |
} | |
if ($value % 3 === 0) { | |
return 'Fizz'; | |
} | |
if ($value % 5 === 0) { | |
return 'Buzz'; | |
} | |
return $value; | |
} | |
// ------------- | |
// Ternary way | |
// ------------- | |
function printFizzzBuzzTernary($value) | |
{ | |
return ($value % 15 === 0) ? 'FizzBuzz' : | |
(($value % 3 === 0) ? 'Fizz' : | |
(($value % 5 === 0) ? 'Buzz' : $value)); | |
} | |
// --------------- | |
// Recursive way | |
// --------------- | |
function printFizzzBuzzRecursive(int $start, int $end) | |
{ | |
if ($start % 15 === 0) { | |
echo 'FizzBuzz'; | |
} elseif ($start % 3 === 0) { | |
echo 'Fizz'; | |
} elseif ($start % 5 === 0) { | |
echo 'Buzz'; | |
} else { | |
echo $start; | |
} | |
echo PHP_EOL; | |
if ($start < $end) { | |
return printFizzzBuzzRecursive($start+1, $end); | |
} | |
} | |
printFizzzBuzzRecursive(1, 200); |
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