{"id":30918,"date":"2023-08-02T02:08:27","date_gmt":"2024-01-26T23:40:43","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8php-7%e7%bc%96%e5%86%99fizzbuzz%e3%80%82\/"},"modified":"2025-08-12T21:23:34","modified_gmt":"2025-08-12T13:23:34","slug":"%e4%bd%bf%e7%94%a8php-7%e7%bc%96%e5%86%99fizzbuzz%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8php-7%e7%bc%96%e5%86%99fizzbuzz%e3%80%82\/","title":{"rendered":"\u4f7f\u7528PHP 7\u7f16\u5199FizzBuzz"},"content":{"rendered":"

\u5927\u5bb6\uff0c\u5982\u679c\u5b66\u4f1a\u4e86\u4e00\u79cd\u65b0\u7684\u8bed\u8a00\uff0c\u5c31\u4f1a\u60f3\u8981\u5199FizzBuzz\u5bf9\u5427\u3002<\/p>\n

\u6211\u4e5f\u6709\u8fc7\u72c2\u70ed\u5730\u8ffd\u6c42\u6700\u7ec8\u6076\u4fd7FizzBuzz\u5927\u5168\u7684\u65f6\u4ee3\u3002\u73b0\u5728\u6b63\u662f\u88ab\u627f\u8bfa\u6bcf\u4e2a\u4eba\u90fd\u80fd\u5199\u51faFizzBuzz\u76842016\u5e74\uff0c\u4f46\u6211\u4ecd\u7136\u5bf9\u89e3\u51b3\u9006FizzBuzz\u95ee\u9898\u7f3a\u4e4f\u81ea\u4fe1\u3002<\/p>\n

\u55ef\uff0c\u8bf4\u5230\u65b0\u65f6\u4ee3\u7684\u8bed\u8a00\uff0c\u5c31\u662fPHP 7\u3002\u867d\u7136\u6211\u8fd8\u662f\u5bf9\u9762\u5411\u5bf9\u8c61\u611f\u5230\u6709\u4e9b\u4e0d\u4e60\u60ef\uff0c\u4f46\u662f\u65e2\u7136\u662f\u7528\u65b0\u7684\u8bed\u8a00\u6765\u5199FizzBuzz\uff0c\u6211\u8fd8\u662f\u4f1a\u5174\u81f4\u52c3\u52c3\u5730\u53bb\u505a\u3002\u5728\u5de5\u4f5c\u4e2d\uff0c\u867d\u7136\u6211\u6b63\u5728\u52aa\u529b\u51c6\u5907\u5f15\u5165PHP 7\uff0c\u4f46\u73b0\u5728\u8fd8\u505c\u7559\u57285\u7cfb\u5217\uff0c\u6709\u4e9b\u4e0d\u5b89\u7684\u60c5\u7eea\u4e5f\u5b58\u5728\u3002<\/p>\n

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\u4ece\u8c03\u7528\u65b9\u7684\u4ee3\u7801\u5f00\u59cb\u3002take()\u662f\u81ea\u5b9a\u4e49\u7684\u8f85\u52a9\u51fd\u6570\u3002\u5b83\u53ea\u662f\u4ece\u6570\u7ec4\u6216\u53ef\u4ee5\u901a\u8fc7foreach\u5faa\u73af\u8fed\u4ee3\u7684\u67d0\u4e2a\u4e1c\u897f\u4e2d\u83b7\u53d6\u524dn\u4e2a\u5143\u7d20\u3002<\/p>\n

<?php<\/span>\r\n\r\nuse<\/span> FizzBuzz<\/span>;<\/span>\r\n\r\n$map<\/span> =<\/span> [<\/span>\r\n    3<\/span> =><\/span> '\\FizzBuzz\\FizzValue'<\/span>,<\/span>\r\n    5<\/span> =><\/span> '\\FizzBuzz\\BuzzValue'<\/span>,<\/span>\r\n];<\/span>\r\n$factory<\/span> =<\/span> new<\/span> FizzBuzz\\FizzBuzzFactory<\/span>(<\/span>new<\/span> FizzBuzz\\Mapper<\/span>(<\/span>$map<\/span>));<\/span>\r\n\r\nforeach<\/span> (<\/span>take<\/span>(<\/span>$factory<\/span>-><\/span>generate<\/span>(),<\/span> 100<\/span>)<\/span> as<\/span> $v<\/span>)<\/span> {<\/span>\r\n    echo<\/span> $v<\/span>,<\/span> PHP_EOL<\/span>;<\/span>\r\n}<\/span>\r\nexit<\/span>;<\/span>\r\n\r\n\/**\r\n * @param  array|\\Traversable $iter\r\n * @param  int                $n\r\n * @return \\Generator\r\n *\/<\/span>\r\nfunction<\/span> take<\/span>(<\/span>$iter<\/span>,<\/span> $n<\/span>)<\/span>\r\n{<\/span>\r\n    $i<\/span> =<\/span> 0<\/span>;<\/span>\r\n    foreach<\/span> (<\/span>$iter<\/span> as<\/span> $x<\/span>)<\/span> {<\/span>\r\n        if<\/span> (<\/span>$n<\/span> <=<\/span> $i<\/span>++<\/span>)<\/span> {<\/span> return<\/span>;<\/span> }<\/span>\r\n        yield<\/span> $x<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
FizzBuzz\\FizzBuzzFactory\u662f\u6839\u636eFizzBuzzStrategy\u6765\u6267\u884cFizzBuzz\u7684\u5bf9\u8c61\u3002\u5b83\u662fStrategy\u6a21\u5f0f\u548cAbstractFactory\u6a21\u5f0f\u7684\u7ec4\u5408\u6280\u672f(\u5e0c\u671b\u5982\u6b64\uff0c\u4f46\u4e5f\u53ef\u80fd\u662f\u9519\u8bef\u7684)\u3002FizzBuzz\\Mapper\u662f\u5b9e\u73b0\u4e86FizzBuzz\\FizzBuzzStrategy\u7684\u7c7b\u3002<\/p>\n
FizzBuzz\\Mapper\u7684\u529f\u80fd\u662f\u5c06\u5173\u8054\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff0c\u7136\u540e\u52a8\u6001\u6307\u5b9a\u7c7b\u540d\u5b57\u7b26\u4e32\uff0c\u5373\u201c\u5982\u679c\u662f3\u7684\u500d\u6570\uff0c\u5219\u4e3a\\FizzBuzz\\FizzValue\u201d\uff0c\u201c\u5982\u679c\u662f5\u7684\u500d\u6570\uff0c\u5219\u4e3a\\FizzBuzz\\BuzzValue\u201d\u3002<\/p>\n
\u597d\u7684\uff0c\u7531\u4e8e\u8fd9\u662f\u5728\u4f01\u4e1a\u4e16\u754c\uff0c\u6240\u4ee5\u6211\u4eec\u5c06\u9488\u5bf9\u8868\u793a\u503c\u7684\u5bf9\u8c61\u800c\u4e0d\u662f\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u64cd\u4f5c\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a”abstract FizzBuzz\\Value”\u7684\u62bd\u8c61\u7c7b\uff0c\u5b83\u8868\u793a\u8fd9\u4e2a\u5bf9\u8c61\u3002\u6211\u4eec\u8fd8\u51c6\u5907\u4e86\u7ee7\u627f\u5b83\u7684\u7c7bFizzValue\u3001BuzzValue\u548cNumberValue\u3002\u5b83\u4eec\u90fd\u6709\u4e00\u4e2a__toString()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06”Fizz”\u3001”Buzz”\u548c\u6570\u5b57\u5206\u522b\u8f6c\u5316\u4e3a\u5341\u8fdb\u5236\u8868\u793a\u7684\u5b57\u7b26\u4e32\uff08\u4f8b\u5982”11″\uff09\u3002<\/p>\n
\u54e6\u54e6\uff0cFizz\u548cBuzz\u5df2\u7ecf\u660e\u767d\u4e86\uff0c\u90a3\u4e48”FizzBuzz”\u5e94\u8be5\u600e\u4e48\u8f93\u51fa\u5462\u3002\u6b63\u5982\u5927\u5bb6\u6240\u77e5\uff0c\u5b83\u65e2\u662f”3\u7684\u500d\u6570”\u53c8\u662f”5\u7684\u500d\u6570”\u3002\u800c\u4e14\u8fd9\u6b21\u4f5c\u4e3a\u9650\u5236\uff0c\u9664\u4e86\u62bd\u8c61\u7c7b\u5916\u4e0d\u80fd\u7ee7\u627f\u5176\u4ed6\u7c7b\uff0c\u6240\u4ee5\u8bbe\u7f6e\u4e3a\u4e86final class\u3002\u5176\u5b9ePHP\u672c\u8eab\u5c31\u6ca1\u6709\u591a\u91cd\u7ee7\u627f…\u8fd9\u5c31\u662f\u4e3a\u6b64\u60c5\u51b5\u8bbe\u8ba1\u7684ComposableValue\u7c7b\u3002\u6709\u4e86\u8fd9\u4e2a\u7c7b\uff0c\u65e0\u8bba\u6709\u591a\u5c11\u4e2a\u5b9e\u73b0\u4e86FuzzBuzz\\Value\u7684\u7c7b\uff0c\u90fd\u53ef\u4ee5\u7ec4\u5408\u72b6\u6001\u4e86\u3002\u505a\u5230\u4e86\uff01<\/p>\n
\u73b0\u5728\u89e3\u91ca\u8fd9\u4e2a\u7684\u54e5\u54e5\u4e5f\u6709\u70b9\u538c\u5026\u4e86\uff0c\u6240\u4ee5\u6211\u7ed9\u4f60\u770b\u4ee3\u7801\u3002<\/p>\n
<?php<\/span>\r\n\r\nnamespace<\/span> FizzBuzz<\/span>\r\n{<\/span>\r\n    \/\/ Strategy<\/span>\r\n\r\n    interface<\/span> FizzBuzzStrategy<\/span>\r\n    {<\/span>\r\n        public<\/span> function<\/span> fizzbuzzize<\/span>(<\/span>int<\/span> $n<\/span>)<\/span> :<\/span>Value<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    final<\/span> class<\/span> Mapper<\/span> implements<\/span> FizzBuzzStrategy<\/span>\r\n    {<\/span>\r\n        \/** @var array *\/<\/span>\r\n        private<\/span> $fizzbuzz_map<\/span>;<\/span>\r\n\r\n        \/**\r\n         * @param array $fizzbuzz_map\r\n         *\/<\/span>\r\n        public<\/span> function<\/span> __construct<\/span>(<\/span>array<\/span> $fizzbuzz_map<\/span>)<\/span>\r\n        {<\/span>\r\n            $this<\/span>-><\/span>fizzbuzz_map<\/span> =<\/span> $fizzbuzz_map<\/span>;<\/span>\r\n        }<\/span>\r\n\r\n        \/**\r\n         * @param  int $n\r\n         * @return Value\r\n         *\/<\/span>\r\n        public<\/span> function<\/span> fizzbuzzize<\/span>(<\/span>int<\/span> $n<\/span>)<\/span> :<\/span>Value<\/span>\r\n        {<\/span>\r\n            $vs<\/span> =<\/span> [];<\/span>\r\n\r\n            foreach<\/span> (<\/span>$this<\/span>-><\/span>fizzbuzz_map<\/span> as<\/span> $m<\/span> =><\/span> $v<\/span>)<\/span> {<\/span>\r\n                if<\/span> (<\/span>$n<\/span> %<\/span> $m<\/span> ==<\/span> 0<\/span>)<\/span> {<\/span>\r\n                    $vs<\/span>[]<\/span> =<\/span> (<\/span>$v<\/span> instanceof<\/span> \\<\/span>Closure<\/span>)<\/span> ?<\/span> $v<\/span>(<\/span>$n<\/span>)<\/span> :<\/span> new<\/span> $v<\/span>(<\/span>$n<\/span>);<\/span>\r\n                }<\/span>\r\n            }<\/span>\r\n\r\n            return<\/span> (<\/span>count<\/span>(<\/span>$vs<\/span>)<\/span> ><\/span> 0<\/span>)<\/span> ?<\/span> new<\/span> ComposableValue<\/span>(<\/span>$n<\/span>,<\/span> ...<\/span>$vs<\/span>)<\/span> :<\/span> new<\/span> NumberValue<\/span>(<\/span>$n<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    \/\/ Value<\/span>\r\n\r\n    abstract<\/span> class<\/span> Value<\/span>\r\n    {<\/span>\r\n        \/** @var int *\/<\/span>\r\n        protected<\/span> $n<\/span>;<\/span>\r\n\r\n        public<\/span> function<\/span> __construct<\/span>(<\/span>int<\/span> $n<\/span>)<\/span>\r\n        {<\/span>\r\n            $this<\/span>-><\/span>n<\/span> =<\/span> $n<\/span>;<\/span>\r\n        }<\/span>\r\n\r\n        abstract<\/span> function<\/span> __toString<\/span>();<\/span>\r\n    }<\/span>\r\n\r\n    final<\/span> class<\/span> NumberValue<\/span> extends<\/span> Value<\/span>\r\n    {<\/span>\r\n        public<\/span> function<\/span> __toString<\/span>()<\/span>\r\n        {<\/span>\r\n            return<\/span> sprintf<\/span>(<\/span>\"%d\"<\/span>,<\/span> $this<\/span>-><\/span>n<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    trait<\/span> SymbolToString<\/span>\r\n    {<\/span>\r\n        public<\/span> function<\/span> __toString<\/span>()<\/span>\r\n        {<\/span>\r\n            return<\/span> static<\/span>::<\/span>SYMBOL<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    final<\/span> class<\/span> FizzValue<\/span> extends<\/span> Value<\/span>\r\n    {<\/span>\r\n        use<\/span> SymbolToString<\/span>;<\/span>\r\n        const<\/span> SYMBOL<\/span> =<\/span> 'Fizz'<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    final<\/span> class<\/span> BuzzValue<\/span> extends<\/span> Value<\/span>\r\n    {<\/span>\r\n        use<\/span> SymbolToString<\/span>;<\/span>\r\n        const<\/span> SYMBOL<\/span> =<\/span> 'Buzz'<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    final<\/span> class<\/span> ComposableValue<\/span> extends<\/span> Value<\/span>\r\n    {<\/span>\r\n        \/** @var Value[] *\/<\/span>\r\n        private<\/span> $values<\/span> =<\/span> [];<\/span>\r\n\r\n        public<\/span> function<\/span> __construct<\/span>(<\/span>int<\/span> $n<\/span>,<\/span> Value<\/span> ...<\/span>$values<\/span>)<\/span>\r\n        {<\/span>\r\n            parent<\/span>::<\/span>__construct<\/span>(<\/span>$n<\/span>);<\/span>\r\n\r\n            $this<\/span>-><\/span>values<\/span> =<\/span> array_values<\/span>(<\/span>$values<\/span>);<\/span>\r\n        }<\/span>\r\n\r\n        public<\/span> function<\/span> add<\/span>(<\/span>Value<\/span> $value<\/span>)<\/span>\r\n        {<\/span>\r\n            $this<\/span>-><\/span>values<\/span>[]<\/span> =<\/span> $value<\/span>;<\/span>\r\n        }<\/span>\r\n\r\n        public<\/span> function<\/span> __toString<\/span>()<\/span>\r\n        {<\/span>\r\n            $s<\/span> =<\/span> ''<\/span>;<\/span>\r\n\r\n            foreach<\/span> (<\/span>$this<\/span>-><\/span>values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span>\r\n                $s<\/span> .<\/span>=<\/span> $v<\/span>;<\/span>\r\n            }<\/span>\r\n\r\n            return<\/span> $s<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    \/\/ Factory<\/span>\r\n\r\n    final<\/span> class<\/span> FizzBuzzFactory<\/span>\r\n    {<\/span>\r\n        \/** @var FizzBuzzStrategy *\/<\/span>\r\n        private<\/span> $strategy<\/span>;<\/span>\r\n\r\n        public<\/span> function<\/span> __construct<\/span>(<\/span>FizzBuzzStrategy<\/span> $strategy<\/span>)<\/span>\r\n        {<\/span>\r\n            $this<\/span>-><\/span>strategy<\/span> =<\/span> $strategy<\/span>;<\/span>\r\n        }<\/span>\r\n\r\n        \/**\r\n         * @param  int $from\r\n         * @return \\Generator\r\n         *\/<\/span>\r\n        public<\/span> function<\/span> generate<\/span>(<\/span>int<\/span> $from<\/span> =<\/span> 1<\/span>)<\/span>\r\n        {<\/span>\r\n            $n<\/span> =<\/span> $from<\/span>;<\/span>\r\n            while<\/span> (<\/span>true<\/span>)<\/span> {<\/span>\r\n                yield<\/span> $this<\/span>-><\/span>strategy<\/span>-><\/span>fizzbuzzize<\/span>(<\/span>$n<\/span>++<\/span>);<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\uff08\u5f85\u4f1a\u513f\u521b\u5efa\u4e00\u4e2a\u4ed3\u5e93\uff0c\u653e\u5230GitHub\u4e0a\uff09<\/p>\n
\u6211\u628a\u5b83\u4e0a\u4f20\u5230\u4e86GitHub\u4e0a\uff0c\u94fe\u63a5\u662fhttps:\/\/github.com\/BaguettePHP\/FizzBuzz\u3002<\/p>\n
composer g require baguette\/fizzbuzz\r\n<\/code><\/pre>\n
\u7528Composer\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n
\u603b\u7ed3
\n\u56e0\u4e3a\u611f\u89c9\u5f88\u75b2\u5026\uff0c\u6240\u4ee5\u6211\u53ea\u4f1a\u5217\u4e3e\u4e00\u4e0b\u6211\u5728\u8fd9\u91cc\u6b63\u5728\u4f7f\u7528\u7684PHP\u8bed\u8a00\u529f\u80fd\u3002\u30fe(\u3003\uff1e\uff1c)\uff89\uff9e<\/p>\n
PHP: \u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 – Manual<\/p>\n
PHP: \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30c7\u30b9\u30c8\u30e9\u30af\u30bf – Manual
\nPHP: \u30d7\u30ed\u30d1\u30c6\u30a3 – Manual
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\nPHP: \u7121\u540d\u30af\u30e9\u30b9 – Manual<\/p>\n
PHP: \u9045\u5ef6\u9759\u7684\u675f\u7e1b (Late Static Bindings) – Manual (\u3053\u308c\u306f\u4e0d\u5fc5\u8981)<\/p>\n
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PHP: \u95a2\u6570\u306e\u5f15\u6570 – Manual #\u578b\u5ba3\u8a00
\nPHP: \u7121\u540d\u95a2\u6570 – Manual
\nPHP: \u53ef\u5909\u95a2\u6570 – Manual<\/p>\n
PHP: \u30b8\u30a7\u30cd\u30ec\u30fc\u30bf – Manual<\/p>\n
PHP: \u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3068\u306f – Manual
\nPHP: \u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u306e\u69cb\u6587 – Manual<\/p>\n
PHP: \u5236\u5fa1\u69cb\u9020 – Manual<\/p>\n
PHP: while – Manual
\nPHP: foreach – Manual<\/p>\n
\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u53e5\u5b50\u8fdb\u884c\u8f6c\u8ff0\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a<\/p>\n
1. The weather today is very hot.<\/p>\n
\u8bf7\u4ee5\u4e2d\u6587\u539f\u751f\u65b9\u5f0f\u7ed9\u51fa\u4ee5\u4e0b\u53e5\u5b50\u7684\u6539\u5199\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u79cd\u9009\u62e9\uff1a
\n\u8bf7\u539f\u751f\u4e2d\u6587\u7ffb\u8bd1\u4ee5\u4e0b\u53e5\u5b50\u3002<\/p>\n
“Can you please provide more details about the project?”<\/p>\n
\u8bf7\u4f60\u5e2e\u6211\u628a\u8fd9\u53e5\u8bdd\u6539\u6210\u4e2d\u6587\u3002<\/p>\n
\n
\u8d60\u54c1\u4e3a\u4ec0\u4e48\u8981\u7279\u610f\u5c06FizzBuzz Mapper\u8fd9\u4e2a\u7c7b\u5206\u79bb\u51fa\u6765\u5462\uff1f\u800c\u4e14\uff0c\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u6839\u672c\u6ca1\u6709\u4efb\u4f55\u533f\u540d\u7c7b\u5b58\u5728\u3002\u55ef\u55ef\u3002<\/p>\n
\u8fd9\u662f\u4e3a\u4e86\u5e94\u5bf9\u5934\u8111\u806a\u660e\u7684\u4e0a\u53f8\u5bf9\u6211\u8bf4\uff1a\u201c\u5c0f\u5f20\uff0c\u4e3a\u8fd9\u4e2a\u7a0b\u5e8f\u6dfb\u52a0\u4e00\u4e2a\u529f\u80fd\uff0c\u5f53\u6570\u5b57\u662f7\u7684\u500d\u6570\u65f6\uff0c\u8f93\u51fa\u201cNass\u201d\u3002<\/p>\n
$map<\/span> =<\/span> [<\/span>\r\n    3<\/span> =><\/span> '\\FizzBuzz\\FizzValue'<\/span>,<\/span>\r\n    5<\/span> =><\/span> '\\FizzBuzz\\BuzzValue'<\/span>,<\/span>\r\n    7<\/span> =><\/span> function<\/span> (<\/span>int<\/span> $n<\/span>)<\/span> {<\/span>\r\n        return<\/span> new<\/span> class<\/span>(<\/span>$n<\/span>)<\/span> extends<\/span> FizzBuzz\\Value<\/span> {<\/span> use<\/span> FizzBuzz\\SymbolToString<\/span>;<\/span> const<\/span> SYMBOL<\/span> =<\/span> 'Nass'<\/span>;<\/span> };<\/span>\r\n    }<\/span>\r\n];<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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