{"id":202433,"date":"2025-05-13T11:02:07","date_gmt":"2025-05-13T03:02:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202433\/"},"modified":"2025-05-13T11:02:07","modified_gmt":"2025-05-13T03:02:07","slug":"php%e5%87%bd%e6%95%b0%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b%e6%8c%87%e5%8d%97%e7%9a%84%e6%89%a9%e5%b1%95%e5%92%8c%e4%bf%ae%e6%94%b9%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202433\/","title":{"rendered":"php\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u7684\u6269\u5c55\u548c\u4fee\u6539\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u7684\u6269\u5c55\u548c\u4fee\u6539\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u76ee\u524d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aphp\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u7684\u6269\u5c55\u548c\u4fee\u6539\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n<p>PHP 7.4 \u5bf9\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b (FOP) \u7684\u6269\u5c55\u5305\u62ec\uff1a\u7bad\u5934\u51fd\u6570\uff1a\u63d0\u4f9b\u66f4\u7b80\u6d01\u7684\u533f\u540d\u51fd\u6570\u8bed\u6cd5\u3002\u53ef\u8c03\u7528\u7c7b\uff1a\u5141\u8bb8\u5c06\u7c7b\u5b9e\u4f8b\u7528\u4f5c\u51fd\u6570\u3002\u8fd9\u4e9b\u6269\u5c55\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\uff0c\u4f8b\u5982\u51fd\u6570\u7ba1\u9053\u3001\u6a21\u5757\u5316\u4ee3\u7801\u548c\u533f\u540d\u56de\u8c03\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241015\/1729001391670e77af121ca.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>PHP \u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6269\u5c55\u6307\u5357<\/strong><\/p>\n<p>\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b (FOP) \u662f PHP \u4e2d\u4e00\u79cd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u7f16\u7a0b\u8303\u4f8b\uff0c\u5b83\u5141\u8bb8\u60a8\u5c06\u51fd\u6570\u4f5c\u4e3a\u5bf9\u8c61\u8fdb\u884c\u5904\u7406\u3002\u8fd9\u4e3a\u4ee3\u7801\u91cd\u7528\u3001\u6a21\u5757\u5316\u548c\u6d4b\u8bd5\u5e26\u6765\u4e86\u8bb8\u591a\u597d\u5904\u3002<\/p>\n<p><strong>\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u7684\u6269\u5c55<\/strong><\/p>\n<p>PHP 7.4 \u5f15\u5165\u4e86\u4ee5\u4e0b\u5bf9 FOP \u7684\u6269\u5c55\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u7bad\u5934\u51fd\u6570\uff1a<\/strong> \u4f7f\u7528 <code>fn<\/code> \u5173\u952e\u5b57\u5141\u8bb8\u60a8\u4f7f\u7528\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\u5b9a\u4e49\u533f\u540d\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$fn = fn($x) =&gt; $x * 2;<\/pre>\n<\/li>\n<li>\n<p><strong>\u53ef\u8c03\u7528\u7c7b\uff1a<\/strong> \u73b0\u5728\u53ef\u4ee5\u5c06\u7c7b\u6807\u8bb0\u4e3a\u53ef\u8c03\u7528\u7684\uff0c\u8fd9\u5141\u8bb8\u60a8\u5c06\u5176\u5b9e\u4f8b\u7528\u4f5c\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>class MyClass {\n  public function __invoke($x) {\n      return $x * 2;\n  }\n}<\/pre>\n<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 PHP \u4e2d\u6269\u5c55 FOP \u7684\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u51fd\u6570\u7ba1\u9053\uff1a<\/strong> \u4f7f\u7528\u51fd\u6570\u4f5c\u4e3a\u7ba1\u9053\u5143\u7d20\uff0c\u521b\u5efa\u590d\u6742\u7684\u6570\u636e\u8f6c\u6362\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$result = ['a', 'b', 'c']\n  -&gt;map(fn($x) =&gt; strtoupper($x))\n  -&gt;filter(fn($x) =&gt; strlen($x) &gt; 1);<\/pre>\n<\/li>\n<li>\n<p><strong>\u6a21\u5757\u5316\u4ee3\u7801\uff1a<\/strong> \u521b\u5efa\u53ef\u91cd\u7528\u7684\u51fd\u6570\u5bf9\u8c61\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>class Math {\n  public static function add($a, $b) {\n      return $a + $b;\n  }\n}<\/pre>\n<\/li>\n<li>\n<p><strong>\u533f\u540d\u56de\u8c03\uff1a<\/strong> \u4f7f\u7528\u7bad\u5934\u51fd\u6570\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570\uff0c\u7b80\u5316\u4ee3\u7801\u5e76\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>array_walk($array, fn($value) =&gt; $value *= 2);<\/pre>\n<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5145\u5206\u5229\u7528\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u7684\u6269\u5c55\uff0c\u60a8\u53ef\u4ee5\u7f16\u5199\u66f4\u7075\u6d3b\u3001\u53ef\u8bfb\u548c\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8ephp,OOP\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aphp\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u7684\u6269\u5c55\u548c\u4fee\u6539\u662f\u4ec0\u4e48\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u7684\u6269\u5c55\u548c\u4fee&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202433","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202433"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202433\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}