40 lines
1.1 KiB
PHP
40 lines
1.1 KiB
PHP
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<?php
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// A number is fizz if it is divisible by 3 or if it has a 3 in it
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// A number is buzz if it is divisible by 5 or if it has a 5 in it
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function FizzBuzz(int $input) {
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$output = '';
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if ($input % 3 === 0 || stripos($input, '3') !== false) {
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$output .= 'Fizz';
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}
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if ($input % 5 === 0 || stripos($input, '5') !== false) {
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$output .= 'Buzz';
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}
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return $output ?: (string) $input;
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}
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it('should return the input if not divisible by 3 or 5', function ($input, $expected) {
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expect(FizzBuzz($input))->toBe($expected);
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})->with([
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[1, '1'],
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[2, '2'],
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[4, '4'],
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[7, '7'],
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[8, '8'],
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]);
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test('Numbers divisible by or containing 3 should return "Fizz"', function ($input) {
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expect(FizzBuzz($input))->toBe('Fizz');
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})->with([3, 6, 9, 13]);
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test('Numbers divisible by or containing 5 should return "Buzz"', function ($input) {
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expect(FizzBuzz($input))->toBe('Buzz');
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})->with([5, 10, 20, 52]);
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test('Numbers divisible by or containing 5 or divisible or containing 3 should return "FizzBuzz"', function ($input) {
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expect(FizzBuzz($input))->toBe('FizzBuzz');
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})->with([15, 30, 35, 53]);
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