{"id":202437,"date":"2025-05-13T08:38:20","date_gmt":"2025-05-13T00:38:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202437\/"},"modified":"2025-05-13T08:38:20","modified_gmt":"2025-05-13T00:38:20","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%e4%b8%ad%e7%9a%84%e7%89%b9%e6%ae%8a%e6%83%85%e5%86%b5%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202437\/","title":{"rendered":"php\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u4e2d\u7684\u7279\u6b8a\u60c5\u51b5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u4e2d\u7684\u7279\u6b8a\u60c5\u51b5\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9\u6587\u7ae0\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u4e2d\u7684\u7279\u6b8a\u60c5\u51b5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241016\/1729049995670f358bbd3fe.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>PHP \u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u4e2d\u7684\u7279\u6b8a\u60c5\u51b5<\/strong><\/p>\n<p>\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\uff08FOP\uff09\u5141\u8bb8\u60a8\u5c06\u51fd\u6570\u4f5c\u4e3a\u5bf9\u8c61\u5904\u7406\uff0c\u4ece\u800c\u53ef\u4ee5\u5229\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u7684\u4f18\u52bf\u3002\u4f46\u5728 PHP \u4e2d\uff0c\u5904\u7406\u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u65f6\u9700\u8981\u683c\u5916\u5c0f\u5fc3\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u4ea7\u751f\u610f\u5916\u7ed3\u679c\u3002<\/p>\n<p><strong>1. \u4f7f\u7528 <code>$this<\/code> \u53d8\u91cf\uff1a<\/strong><\/p>\n<ul>\n<li>\u901a\u5e38\uff0c<code>$this<\/code> \u53d8\u91cf\u5f15\u7528\u8c03\u7528\u51fd\u6570\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u4f46\u5728 FOP \u4e2d\uff0c<code>$this<\/code> \u59cb\u7ec8\u5f15\u7528\u51fd\u6570\u672c\u8eab\uff0c\u800c\u4e0d\u662f\u8c03\u7528\u51fd\u6570\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u9700\u8981\u8bbf\u95ee\u8c03\u7528\u51fd\u6570\u7684\u5bf9\u8c61\uff0c\u5fc5\u987b\u901a\u8fc7\u51fd\u6570\u53c2\u6570\u663e\u5f0f\u4f20\u9012\u5b83\u3002<\/li>\n<\/ul>\n<pre>class MyClass {\n    public function myFunc($x) {}\n}\n\n$myFunc = MyClass::myFunc;\n$myFunc(10);\necho get_class($myFunc); \/\/ Output: MyClass\n<\/pre>\n<p><strong>2. \u4f7f\u7528 <code>static<\/code> \u5173\u952e\u5b57\uff1a<\/strong><\/p>\n<ul>\n<li>\u9759\u6001\u65b9\u6cd5\u5141\u8bb8\u60a8\u8bbf\u95ee\u7c7b\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u800c\u4e0d\u5fc5\u521b\u5efa\u7c7b\u5b9e\u4f8b\u3002<\/li>\n<li>\u5728 FOP \u4e2d\uff0c\u9759\u6001\u65b9\u6cd5\u4e0d\u80fd\u76f4\u63a5\u8c03\u7528\u3002<\/li>\n<li>\u5fc5\u987b\u4f7f\u7528\u7c7b\u7684\u540d\u79f0\u8fdb\u884c\u8c03\u7528\uff0c\u5c31\u50cf\u4f7f\u7528 <code>self::<\/code> \u6216 <code>parent::<\/code> \u4e00\u6837\u3002<\/li>\n<\/ul>\n<pre>class MyClass {\n    public static function myStaticFunc() {}\n}\n\n$myStaticFunc = MyClass::myStaticFunc::bind(MyClass); \/\/ Must bind to the class\n$myStaticFunc();<\/pre>\n<p><strong>3. \u4f20\u9012\u533f\u540d\u51fd\u6570\uff1a<\/strong><\/p>\n<ul>\n<li>PHP \u5141\u8bb8\u5c06\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u3002<\/li>\n<li>\u4f46\u5728 FOP \u4e2d\uff0c\u533f\u540d\u51fd\u6570\u4f1a\u7ed1\u5b9a\u5230\u8c03\u7528\u51fd\u6570\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u5982\u679c\u60a8\u9700\u8981\u5728\u533f\u540d\u51fd\u6570\u4e2d\u8bbf\u95ee\u8c03\u7528\u51fd\u6570\u7684\u53c2\u6570\uff0c\u5fc5\u987b\u901a\u8fc7\u95ed\u5305\u6355\u83b7\u5b83\u4eec\u3002<\/li>\n<\/ul>\n<pre>$func = function ($x) { return $this-&gt;y + $x; };\n\n$myObj = new stdClass;\n$myObj-&gt;y = 10;\n$func-&gt;bindTo($myObj, $myObj)($5); \/\/ Output: 15<\/pre>\n<p><strong>4. \u4f7f\u7528 <code>call_user_func()<\/code>\uff1a<\/strong><\/p>\n<ul>\n<li><code>call_user_func()<\/code> \u51fd\u6570\u53ef\u7528\u4e8e\u52a8\u6001\u8c03\u7528\u51fd\u6570\u6216\u65b9\u6cd5\u3002<\/li>\n<li>\u5728 FOP \u4e2d\uff0c<code>call_user_func()<\/code> \u4e0d\u4f1a\u7ed1\u5b9a\u8c03\u7528\u51fd\u6570\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u8bbf\u95ee\u8c03\u7528\u51fd\u6570\u7684\u5bf9\u8c61\uff0c\u5fc5\u987b\u663e\u5f0f\u4f20\u9012\u5b83\u4f5c\u4e3a <code>call_user_func_array()<\/code> \u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002<\/li>\n<\/ul>\n<pre>$func = ['MyClass', 'myFunc'];\n\ncall_user_func($func, 10); \/\/ No binding\ncall_user_func_array($func, [new MyClass(), 10]); \/\/ Binding<\/pre>\n<p>\u901a\u8fc7\u4e86\u89e3\u8fd9\u4e9b\u7279\u6b8a\u60c5\u51b5\uff0c\u60a8\u53ef\u4ee5\u907f\u514d FOP \u4e2d\u7684\u5e38\u89c1\u9677\u9631\uff0c\u5e76\u5145\u5206\u5229\u7528 PHP \u7684\u9762\u5411\u5bf9\u8c61\u529f\u80fd\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u51fd\u6570\u5bf9\u8c61\u7f16\u7a0b\u6307\u5357\u4e2d\u7684\u7279\u6b8a\u60c5&#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-202437","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202437","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=202437"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202437\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}