{"id":47122,"date":"2024-12-02T15:01:22","date_gmt":"2024-12-02T07:01:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47122\/"},"modified":"2024-12-02T15:01:22","modified_gmt":"2024-12-02T07:01:22","slug":"php-%e5%87%bd%e6%95%b0%e6%9c%89%e5%93%aa%e4%ba%9b%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%9a%84%e5%88%86%e7%b1%bb%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47122\/","title":{"rendered":"PHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p>PHP \u9762\u5411\u5bf9\u8c61\u51fd\u6570\u53ef\u5206\u4e3a\u56db\u7c7b\uff1a\u6784\u9020\u51fd\u6570 (__construct())\uff1a\u521d\u59cb\u5316\u5bf9\u8c61\u72b6\u6001\u6790\u6784\u51fd\u6570 (__destruct())\uff1a\u91ca\u653e\u5bf9\u8c61\u8d44\u6e90\u65b9\u6cd5\uff1a\u5bf9\u5bf9\u8c61\u8fdb\u884c\u64cd\u4f5c\u6216\u8bbf\u95ee\u6570\u636e\u9759\u6001\u65b9\u6cd5\uff1a\u65e0\u9700\u5bf9\u8c61\u5b9e\u4f8b\u5373\u53ef\u4f7f\u7528<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729866816671bac40a3376.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u9762\u5411\u5bf9\u8c61\u7684 PHP \u51fd\u6570\u5206\u7c7b<\/strong><\/p>\n<p>PHP \u4e2d\u7684\u9762\u5411\u5bf9\u8c61\u51fd\u6570\u53ef\u4ee5\u5206\u4e3a\u56db\u79cd\u4e3b\u8981\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u6784\u9020\u51fd\u6570<\/strong>\uff1a\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u8c03\u7528\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u521d\u59cb\u5316\u5bf9\u8c61\u7684\u72b6\u6001\u3002<\/li>\n<li><strong>\u6790\u6784\u51fd\u6570<\/strong>\uff1a\u5728\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\u8c03\u7528\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u91ca\u653e\u5bf9\u8c61\u5360\u7528\u7684\u8d44\u6e90\u3002<\/li>\n<li><strong>\u65b9\u6cd5<\/strong>\uff1a\u5c5e\u4e8e\u5bf9\u8c61\u5b9e\u4f8b\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u6216\u8bbf\u95ee\u5bf9\u8c61\u6570\u636e\u3002<\/li>\n<li><strong>\u9759\u6001\u65b9\u6cd5<\/strong>\uff1a\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u5bf9\u8c61\u5b9e\u4f8b\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7c7b\u540d\u8c03\u7528\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u793a\u4f8b\u7c7b\uff1a<\/strong><\/p>\n<pre>class Person {\n    public $name;\n\n    public function __construct($name) {\n        $this-&gt;name = $name;\n    }\n\n    public function __destruct() {\n        echo \"Person $this-&gt;name has been destroyed.\" . PHP_EOL;\n    }\n\n    public function sayHello() {\n        echo \"Hello, my name is $this-&gt;name.\" . PHP_EOL;\n    }\n\n    public static function createRandomPerson() {\n        return new Person(uniqid());\n    }\n}<\/pre>\n<p><strong>\u4f7f\u7528\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\n$person = new Person(\"Alice\");\n\n\/\/ \u8c03\u7528\u65b9\u6cd5\n$person-&gt;sayHello();\n\n\/\/ \u9500\u6bc1\u5bf9\u8c61\n$person = null;\n\n\/\/ \u8c03\u7528\u9759\u6001\u65b9\u6cd5\n$randomPerson = Person::createRandomPerson();\n$randomPerson-&gt;sayHello();<\/pre>\n<p><strong>\u5206\u7c7b\u6f14\u793a\uff1a<\/strong><\/p>\n<ul>\n<li><code>__construct()<\/code>\uff1a\u6784\u9020\u51fd\u6570\uff0c\u7528\u4e8e\u521d\u59cb\u5316\u5bf9\u8c61\u540d\u79f0\u3002<\/li>\n<li><code>__destruct()<\/code>\uff1a\u6790\u6784\u51fd\u6570\uff0c\u5728\u9500\u6bc1\u5bf9\u8c61\u65f6\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<li><code>sayHello()<\/code>\uff1a\u65b9\u6cd5\uff0c\u7528\u4e8e\u6253\u5370\u5bf9\u8c61\u540d\u79f0\u3002<\/li>\n<li><code>createRandomPerson()<\/code>\uff1a\u9759\u6001\u65b9\u6cd5\uff0c\u65e0\u9700\u5bf9\u8c61\u5b9e\u4f8b\u5373\u53ef\u521b\u5efa\u968f\u673a\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u9762\u5411\u5bf9\u8c61\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPHP \u51fd\u6570\u6709\u54ea\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u5206\u7c7b\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 PHP \u9762\u5411\u5bf9\u8c61\u51fd\u6570\u53ef\u5206\u4e3a\u56db\u7c7b\uff1a\u6784\u9020\u51fd\u6570 (__construct())\uff1a\u521d\u59cb\u5316\u5bf9\u8c61\u72b6\u6001\u6790\u6784\u51fd\u6570 (__destruct())\uff1a\u91ca\u653e\u5bf9\u8c61\u8d44\u6e90\u65b9\u6cd5\uff1a\u5bf9\u5bf9\u8c61\u8fdb\u884c\u64cd\u4f5c\u6216\u8bbf\u95ee\u6570\u636e\u9759\u6001\u65b9\u6cd5\uff1a\u65e0\u9700\u5bf9\u8c61\u5b9e\u4f8b\u5373\u53ef\u4f7f\u7528 \u9762\u5411\u5bf9\u8c61\u7684 PHP \u51fd\u6570\u5206\u7c7b PHP \u4e2d\u7684\u9762\u5411\u5bf9\u8c61\u51fd\u6570\u53ef\u4ee5\u5206\u4e3a\u56db\u79cd\u4e3b\u8981\u7c7b\u578b\uff1a \u6784\u9020\u51fd\u6570\uff1a\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u8c03\u7528\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u521d\u59cb\u5316\u5bf9\u8c61\u7684\u72b6\u6001\u3002 \u6790\u6784\u51fd\u6570\uff1a\u5728\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\u8c03\u7528\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u91ca\u653e\u5bf9\u8c61\u5360\u7528\u7684\u8d44\u6e90\u3002 \u65b9\u6cd5\uff1a\u5c5e\u4e8e\u5bf9\u8c61\u5b9e\u4f8b\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u6216\u8bbf\u95ee\u5bf9\u8c61\u6570\u636e\u3002 \u9759\u6001\u65b9\u6cd5\uff1a\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u5bf9\u8c61\u5b9e\u4f8b\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7c7b\u540d\u8c03\u7528\u3002 \u5b9e\u6218\u6848\u4f8b \u793a\u4f8b\u7c7b\uff1a class Person { public $name; public function __construct($name) { $this-&gt;name = $name; } public function __destruct() { echo &#8220;Person $this-&gt;name has been destroyed.&#8221; . PHP_EOL; } public function sayHello() { echo &#8220;Hello, my name is $this-&gt;name.&#8221; [&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-47122","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47122","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=47122"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47122\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}