{"id":30795,"date":"2023-10-30T08:53:02","date_gmt":"2022-11-27T15:51:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84fizzbuzz%e9%9b%86%e5%90%88%e3%80%82\/"},"modified":"2025-08-12T20:51:34","modified_gmt":"2025-08-12T12:51:34","slug":"php%e7%9a%84fizzbuzz%e9%9b%86%e5%90%88%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84fizzbuzz%e9%9b%86%e5%90%88%e3%80%82\/","title":{"rendered":"PHP\u7684FizzBuzz\u96c6\u5408"},"content":{"rendered":"<h2>\u7528PHP\u7f16\u5199\u6700\u77ed\u7684\u4ee3\u7801\u957f\u5ea6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">&lt;?<\/span><span class=\"k\">while<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"o\">++&lt;<\/span><span class=\"mi\">100<\/span><span class=\"p\">)<\/span><span class=\"k\">echo<\/span><span class=\"p\">[<\/span><span class=\"nc\">Fizz<\/span><span class=\"p\">][<\/span><span class=\"nv\">$i<\/span><span class=\"o\">%<\/span><span class=\"mi\">3<\/span><span class=\"p\">]<\/span><span class=\"mf\">.<\/span><span class=\"p\">[<\/span><span class=\"nc\">Buzz<\/span><span class=\"p\">][<\/span><span class=\"nv\">$i<\/span><span class=\"o\">%<\/span><span class=\"mi\">5<\/span><span class=\"p\">]<\/span><span class=\"o\">?:<\/span><span class=\"nv\">$i<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"\r\n\"<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u7528PHP\u5199\u4e86FizzBuzz &#8211; A Day in Serenity (Reloaded) &#8211; PHP\uff0cFuelPHP\uff0cLinux\u6216\u5176\u4ed6\u4e1c\u897f<\/p>\n<h2>\u5faa\u73af\u9012\u5f52\u8c03\u7528\u6362\u53e5\u8bdd\u8bf4\uff0c\u4e0d\u4f7f\u7528for\u3001foreach\u3001while\u7b49\u5faa\u73af\u8bed\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n\r\n<span class=\"k\">function<\/span> <span class=\"n\">fizzbuzz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$max<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">100<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">15<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">echo<\/span> <span class=\"s1\">'FizzBuzz'<\/span><span class=\"p\">,<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">elseif<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">3<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">echo<\/span> <span class=\"s1\">'Fizz'<\/span><span class=\"p\">,<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">elseif<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">5<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">echo<\/span> <span class=\"s1\">'Buzz'<\/span><span class=\"p\">,<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">echo<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">,<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"nv\">$max<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nf\">fizzbuzz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$max<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nf\">fizzbuzz<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u51fd\u6570<br \/>\n\u6839\u636e\u6761\u4ef6\u5b9a\u4e49\u51fd\u6570\uff0c\u5e76\u6309\u7167\u987a\u5e8f\u8fdb\u884c\u8f6c\u53d1\u7684\u6a21\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"k\">function<\/span> <span class=\"n\">fizz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">3<\/span> <span class=\"o\">?<\/span> <span class=\"kc\">null<\/span> <span class=\"o\">:<\/span> <span class=\"s1\">'Fizz'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">function<\/span> <span class=\"n\">buzz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">5<\/span> <span class=\"o\">?<\/span> <span class=\"kc\">null<\/span> <span class=\"o\">:<\/span> <span class=\"s1\">'Buzz'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">function<\/span> <span class=\"n\">fizzbuzz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">15<\/span> <span class=\"o\">?<\/span> <span class=\"kc\">null<\/span> <span class=\"o\">:<\/span> <span class=\"s1\">'FizzBuzz'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"mi\">100<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nf\">fizzbuzz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span> <span class=\"o\">??<\/span> <span class=\"nf\">fizz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span> <span class=\"o\">??<\/span> <span class=\"nf\">buzz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span> <span class=\"o\">??<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">,<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5728FizzBuzz\u6e38\u620f\u4e2d\uff0c\u4e0d\u4f7f\u7528\u6761\u4ef6\u5206\u652f\uff08\u5982if\u8bed\u53e5\uff09\u7684\u60c5\u51b5\u4e0b\u3002<br \/>\n\u53ea\u4f7f\u7528\u6570\u7ec4\u64cd\u4f5c\u6765\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"nv\">$fizz<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">array_fill_keys<\/span><span class=\"p\">(<\/span><span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">100<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">),<\/span> <span class=\"s1\">'Fizz'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ -&gt; [0 =&gt; \"Fizz\", 3 =&gt; \"Fizz\", 6 =&gt; \"Fizz\", 9 =&gt; \"Fizz\", ...]<\/span>\r\n<span class=\"nv\">$buzz<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">array_fill_keys<\/span><span class=\"p\">(<\/span><span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">100<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">),<\/span> <span class=\"s1\">'Buzz'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ -&gt; [0 =&gt; \"Buzz\", 5 =&gt; \"Buzz\", 10 =&gt; \"Buzz\", 15 =&gt; \"Buzz\", ...]<\/span>\r\n<span class=\"nv\">$fizzbuzz<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">array_fill_keys<\/span><span class=\"p\">(<\/span><span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">100<\/span><span class=\"p\">,<\/span> <span class=\"mi\">15<\/span><span class=\"p\">),<\/span> <span class=\"s1\">'FizzBuzz'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ -&gt; [0 =&gt; \"FizzBuzz\", 15 =&gt; \"FizzBuzz\", 30 =&gt; \"FizzBuzz\", 45 =&gt; \"FizzBuzz\", ...]<\/span>\r\n<span class=\"nv\">$numbers<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">100<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ -&gt; [0 =&gt; 0, 1 =&gt; 1, 2 =&gt; 2, 3 =&gt; 3, ...]<\/span>\r\n<span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">array_replace<\/span><span class=\"p\">(<\/span><span class=\"nv\">$numbers<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fizz<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$buzz<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fizzbuzz<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ -&gt; [0 =&gt; \"FizzBuzz\", 1 =&gt; 1, 2 =&gt; 2, 3 =&gt; \"Fizz\", ...]<\/span>\r\n<span class=\"nb\">unset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$result<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]);<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nb\">implode<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"<\/span><span class=\"se\">\\n<\/span><span class=\"s2\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$result<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>\u53d1\u7535\u673a<br \/>\n\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528yield\u6765\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n\r\n<span class=\"k\">function<\/span> <span class=\"n\">fizzbuzz<\/span><span class=\"p\">(<\/span><span class=\"nv\">$max<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">100<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"nv\">$max<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">15<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">yield<\/span> <span class=\"s1\">'FizzBuzz'<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">elseif<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">3<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">yield<\/span> <span class=\"s1\">'Fizz'<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">elseif<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">5<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">yield<\/span> <span class=\"s1\">'Buzz'<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">yield<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nf\">fizzbuzz<\/span><span class=\"p\">()<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">,<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u8d23\u4efb\u94fe\u6a21\u5f0f<br \/>\n\u4f7f\u7528\u8d23\u4efb\u94fe\u6a21\u5f0f(Chain of Responsibility)\uff0c\u5c06\u8d23\u4efb\u4f20\u9012\u7ed9\u80fd\u591f\u5904\u7406\u8f93\u5165\u7684\u5bf9\u8c61\uff0c\u76f4\u5230\u8fbe\u5230\u8d1f\u8d23\u5904\u7406\u7684\u5bf9\u8c61\u4e3a\u6b62\u3002\u6839\u636e\u9762\u5411\u5bf9\u8c61\u7684\u539f\u5219\uff0c\u5f53\u589e\u52a0\u65b0\u7684\u6e38\u620f\u89c4\u5219\uff08\u4f8b\u5982\u5f53\u6570\u5b57\u80fd\u88ab7\u6574\u9664\u65f6\u8fd4\u56de\u201cHoge\u201d\uff09\u65f6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6269\u5c55\u6027\u800c\u65e0\u9700\u4fee\u6539\u73b0\u6709\u7684\u7c7b\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n\r\n<span class=\"k\">abstract<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Handler<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nv\">$next<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">__construct<\/span><span class=\"p\">(<\/span><span class=\"kt\">Handler<\/span> <span class=\"nv\">$next<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">next<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$next<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">final<\/span> <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">handle<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">canHandle<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span> <span class=\"o\">?<\/span> <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">respond<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">)<\/span> <span class=\"o\">:<\/span> <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">next<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">handle<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">abstract<\/span> <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">canHandle<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">bool<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">abstract<\/span> <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">respond<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">string<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">FizzHandler<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Handler<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">canHandle<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">bool<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">3<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">respond<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s1\">'Fizz'<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">BuzzHandler<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Handler<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">canHandle<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">bool<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">5<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">respond<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s1\">'Buzz'<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">FizzBuzzHandler<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Handler<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">canHandle<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">bool<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">3<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">5<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">respond<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s1\">'FizzBuzz'<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">NumberHandler<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Handler<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">__construct<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">{<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">canHandle<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">bool<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">respond<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">):<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nv\">$fizzbuzz<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FizzBuzzHandler<\/span><span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">FizzHandler<\/span><span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">BuzzHandler<\/span><span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">NumberHandler<\/span><span class=\"p\">)));<\/span>\r\n<span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">100<\/span><span class=\"p\">)<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nv\">$fizzbuzz<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">handle<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span><span class=\"p\">),<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>FizzBuzz \u7f51\u7edc\u63a5\u53e3<br \/>\n\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u6709\u65f6\u4e3a\u4e86\u5b9e\u73b0\u67d0\u4e2a\u9700\u6c42\uff0c\u53ef\u80fd\u9700\u8981\u501f\u52a9\u5916\u90e8\u7cfb\u7edf\u7684\u529b\u91cf\u3002\u5982\u679c\u5728FizzBuzz\u95ee\u9898\u4e2d\u4e5f\u5141\u8bb8\u8fd9\u6837\u505a\u7684\u8bdd\uff0c\u53ef\u80fd\u8fd8\u6709\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u662f\u4f7f\u7528\u8fd4\u56deFizzBuzz\u7ed3\u679c\u7684\u7aef\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nb\">file_get_contents<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"http:\/\/riaf.jp\/f\"<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5728 PHP \u4e2d\u5199\u4e86\u4e00\u4e2a\u7b80\u77ed\u7684 FizzBuzz &#8211; Qiita\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7528PHP\u7f16\u5199\u6700\u77ed\u7684\u4ee3\u7801\u957f\u5ea6\u3002 &lt;?while($i++&lt;100)echo[Fizz][$i%3]. [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30795","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PHP\u7684FizzBuzz\u96c6\u5408 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u7684FizzBuzz\u96c6\u5408\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u7684fizzbuzz\u96c6\u5408\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u7684FizzBuzz\u96c6\u5408\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8ePHP\u7684FizzBuzz\u96c6\u5408\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u7684fizzbuzz\u96c6\u5408\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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