{"id":47675,"date":"2024-12-02T13:56:16","date_gmt":"2024-12-02T05:56:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47675\/"},"modified":"2024-12-02T13:56:16","modified_gmt":"2024-12-02T05:56:16","slug":"php%e5%87%bd%e6%95%b0%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%e5%92%8c%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47675\/","title":{"rendered":"php\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f<\/h1>\n<p><span style=\"font-size: 15px\">\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u90a3\u4e48\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aphp\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span><\/p>\n<p>PHP \u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u6700\u4f73\u5b9e\u8df5\uff1a\u9075\u5faa PSR-12 \u547d\u540d\u89c4\u5219\u4f7f\u7528\u53c2\u6570\u7c7b\u578b\u63d0\u793a\u6307\u5b9a\u8fd4\u56de\u503c\u7c7b\u578b\u4f7f\u7528\u9ed8\u8ba4\u503c\u8bb0\u5f55\u5f02\u5e38\u8bbe\u8ba1\u6a21\u5f0f\uff1a\u5355\u4f8b\u6a21\u5f0f\uff1a\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u7c7b\u5b9e\u4f8b\u89c2\u5bdf\u8005\u6a21\u5f0f\uff1a\u5141\u8bb8\u5bf9\u8c61\u8ba2\u9605\u5176\u4ed6\u5bf9\u8c61\u7684\u72b6\u6001\u53d8\u66f4<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729929518671ca12e0c0e5.jpg\" class=\"aligncenter\" title=\"php\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u63d2\u56fe\" alt=\"php\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f<\/h2>\n<p>\u7f16\u5199\u53ef\u7ef4\u62a4\u3001\u53ef\u6269\u5c55\u4e14\u9ad8\u6548\u7684 PHP \u51fd\u6570\u81f3\u5173\u91cd\u8981\u3002\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u5e76\u5e94\u7528\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5b9e\u73b0\u8fd9\u4e9b\u76ee\u6807\u3002<\/p>\n<h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n<ul>\n<li><strong>\u547d\u540d\u89c4\u5219\uff1a<\/strong>\u9075\u5faa [PSR-12 \u7f16\u7801\u6807\u51c6](https:\/\/github.com\/php-fig\/fig-standards\/blob\/master\/accepted\/PSR-12-coding-style-guide.md) \u8fdb\u884c\u547d\u540d\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u53c2\u6570\u7c7b\u578b\u63d0\u793a\uff1a<\/strong>\u4f7f\u7528 [\u7c7b\u578b\u63d0\u793a](https:\/\/www.php.net\/manual\/en\/functions.arguments.php) \u6307\u5b9a\u51fd\u6570\u53c2\u6570\u7684\u7c7b\u578b\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u8fd4\u56de\u503c\u7c7b\u578b\u63d0\u793a\uff1a<\/strong>\u540c\u6837\uff0c\u6307\u5b9a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9ed8\u8ba4\u503c\uff1a<\/strong>\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u6307\u5b9a\u5408\u7406\u4e14\u660e\u786e\u7684\u9ed8\u8ba4\u503c\uff0c\u4ee5\u7b80\u5316\u8c03\u7528\u5e76\u907f\u514d\u610f\u5916\u9519\u8bef\u3002<\/li>\n<li><strong>\u8bb0\u5f55\u5f02\u5e38\uff1a<\/strong>\u4f7f\u7528 <code>try-catch<\/code> \u5757\u6765\u6355\u6349\u548c\u8bb0\u5f55\u51fd\u6570\u6267\u884c\u671f\u95f4\u7684\u5f02\u5e38\uff0c\u4ee5\u8fdb\u884c\u8c03\u8bd5\u548c\u9519\u8bef\u5904\u7406\u3002<\/li>\n<\/ul>\n<h3>\u8bbe\u8ba1\u6a21\u5f0f<\/h3>\n<p><strong>\u5355\u4f8b\u6a21\u5f0f<\/strong><\/p>\n<p>\u5355\u4f8b\u6a21\u5f0f\u786e\u4fdd\u7279\u5b9a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\u3002\u5728\u9700\u8981\u5168\u5c40\u8bbf\u95ee\u540c\u4e00\u8d44\u6e90\u7684\u60c5\u51b5\u4e0b\u5f88\u6709\u7528\u3002<\/p>\n<pre>class Singleton {\n    private static $instance;\n\n    public static function getInstance(): Singleton {\n        if (!isset(self::$instance)) {\n            self::$instance = new Singleton();\n        }\n\n        return self::$instance;\n    }\n\n    \/\/ ...\n}<\/pre>\n<p><strong>\u89c2\u5bdf\u8005\u6a21\u5f0f<\/strong><\/p>\n<p>\u89c2\u5bdf\u8005\u6a21\u5f0f\u5141\u8bb8\u5bf9\u8c61\uff08\u89c2\u5bdf\u8005\uff09\u8ba2\u9605\u5176\u4ed6\u5bf9\u8c61\uff08\u4e3b\u9898\uff09\uff0c\u4ee5\u4fbf\u5728\u4e3b\u9898\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u5f97\u5230\u901a\u77e5\u3002<\/p>\n<pre>class Subject {\n    private $observers = [];\n\n    public function attach(Observer $observer): void {\n        $this-&gt;observers[] = $observer;\n    }\n\n    public function detach(Observer $observer): void {\n        $index = array_search($observer, $this-&gt;observers);\n        if ($index !== false) {\n            unset($this-&gt;observers[$index]);\n        }\n    }\n\n    public function notify(): void {\n        foreach ($this-&gt;observers as $observer) {\n            $observer-&gt;update($this);\n        }\n    }\n}\n\nclass Observer {\n    public function update(Subject $subject): void {\n        \/\/ ...\n    }\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u65e5\u5fd7\u8bb0\u5f55\u51fd\u6570<\/strong><\/p>\n<pre>function log($message, $level = 'info') {\n    static $logger;\n\n    if (!isset($logger)) {\n        $logger = new \\Monolog\\Logger('app');\n        $logger-&gt;pushHandler(new \\Monolog\\Handler\\StreamHandler('php:\/\/stderr'));\n    }\n\n    $logger-&gt;log($level, $message);\n}<\/pre>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86 PHP \u51fd\u6570\u5f00\u53d1\u5e94\u9075\u5faa\u7684\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u539f\u5219\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u66f4\u6e05\u6670\u3001\u66f4\u5065\u58ee\u4e14\u66f4\u6613\u7ef4\u62a4\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aphp\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f \u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~ PHP \u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f\u6700\u4f73\u5b9e\u8df5\uff1a\u9075\u5faa PSR-12 \u547d\u540d\u89c4\u5219\u4f7f\u7528\u53c2\u6570\u7c7b\u578b\u63d0\u793a\u6307\u5b9a\u8fd4\u56de\u503c\u7c7b\u578b\u4f7f\u7528\u9ed8\u8ba4\u503c\u8bb0\u5f55\u5f02\u5e38\u8bbe\u8ba1\u6a21\u5f0f\uff1a\u5355\u4f8b\u6a21\u5f0f\uff1a\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u7c7b\u5b9e\u4f8b\u89c2\u5bdf\u8005\u6a21\u5f0f\uff1a\u5141\u8bb8\u5bf9\u8c61\u8ba2\u9605\u5176\u4ed6\u5bf9\u8c61\u7684\u72b6\u6001\u53d8\u66f4 PHP \u51fd\u6570\u6700\u4f73\u5b9e\u8df5\u548c\u8bbe\u8ba1\u6a21\u5f0f \u7f16\u5199\u53ef\u7ef4\u62a4\u3001\u53ef\u6269\u5c55\u4e14\u9ad8\u6548\u7684 PHP \u51fd\u6570\u81f3\u5173\u91cd\u8981\u3002\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u5e76\u5e94\u7528\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5b9e\u73b0\u8fd9\u4e9b\u76ee\u6807\u3002 \u6700\u4f73\u5b9e\u8df5 \u547d\u540d\u89c4\u5219\uff1a\u9075\u5faa [PSR-12 \u7f16\u7801\u6807\u51c6](https:\/\/github.com\/php-fig\/fig-standards\/blob\/master\/accepted\/PSR-12-coding-style-guide.md) \u8fdb\u884c\u547d\u540d\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u4e00\u81f4\u6027\u3002 \u53c2\u6570\u7c7b\u578b\u63d0\u793a\uff1a\u4f7f\u7528 [\u7c7b\u578b\u63d0\u793a](https:\/\/www.php.net\/manual\/en\/functions.arguments.php) \u6307\u5b9a\u51fd\u6570\u53c2\u6570\u7684\u7c7b\u578b\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u5b89\u5168\u6027\u3002 \u8fd4\u56de\u503c\u7c7b\u578b\u63d0\u793a\uff1a\u540c\u6837\uff0c\u6307\u5b9a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u53ef\u8bfb\u6027\u3002 \u4f7f\u7528\u9ed8\u8ba4\u503c\uff1a\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u6307\u5b9a\u5408\u7406\u4e14\u660e\u786e\u7684\u9ed8\u8ba4\u503c\uff0c\u4ee5\u7b80\u5316\u8c03\u7528\u5e76\u907f\u514d\u610f\u5916\u9519\u8bef\u3002 \u8bb0\u5f55\u5f02\u5e38\uff1a\u4f7f\u7528 try-catch \u5757\u6765\u6355\u6349\u548c\u8bb0\u5f55\u51fd\u6570\u6267\u884c\u671f\u95f4\u7684\u5f02\u5e38\uff0c\u4ee5\u8fdb\u884c\u8c03\u8bd5\u548c\u9519\u8bef\u5904\u7406\u3002 \u8bbe\u8ba1\u6a21\u5f0f \u5355\u4f8b\u6a21\u5f0f \u5355\u4f8b\u6a21\u5f0f\u786e\u4fdd\u7279\u5b9a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\u3002\u5728\u9700\u8981\u5168\u5c40\u8bbf\u95ee\u540c\u4e00\u8d44\u6e90\u7684\u60c5\u51b5\u4e0b\u5f88\u6709\u7528\u3002 class Singleton { private static $instance; public static function getInstance(): Singleton { if (!isset(self::$instance)) { self::$instance = new Singleton(); } return self::$instance; } \/\/ &#8230; } \u89c2\u5bdf\u8005\u6a21\u5f0f \u89c2\u5bdf\u8005\u6a21\u5f0f\u5141\u8bb8\u5bf9\u8c61\uff08\u89c2\u5bdf\u8005\uff09\u8ba2\u9605\u5176\u4ed6\u5bf9\u8c61\uff08\u4e3b\u9898\uff09\uff0c\u4ee5\u4fbf\u5728\u4e3b\u9898\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u5f97\u5230\u901a\u77e5\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47675","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47675"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47675\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}