{"id":46513,"date":"2024-12-02T16:31:41","date_gmt":"2024-12-02T08:31:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46513\/"},"modified":"2024-12-02T16:31:41","modified_gmt":"2024-12-02T08:31:41","slug":"php-%e5%87%bd%e6%95%b0%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e5%ba%94%e7%94%a8%e4%b8%ad%e7%9a%84%e5%b8%b8%e8%a7%81%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46513\/","title":{"rendered":"PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u4e2d\u7684\u5e38\u89c1\u9519\u8bef"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u4e2d\u7684\u5e38\u89c1\u9519\u8bef<\/h1>\n

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\"PHP<\/p>\n

PHP \u4e2d\u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u7684\u5e38\u89c1\u9519\u8bef<\/strong><\/p>\n

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1. \u4ee3\u7801\u8026\u5408\u8fc7\u7d27<\/strong><\/p>\n

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\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

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<?php\n\nclass DatabaseConnection\n{\n    private static $instance;\n\n    private function __construct() {}\n\n    public static function getInstance()\n    {\n        if (self::$instance === null) {\n            self::$instance = new DatabaseConnection();\n        }\n\n        return self::$instance;\n    }\n\n    \/\/ \u5176\u4ed6\u65b9\u6cd5...\n}<\/pre>\n
\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u51c6\u5219\uff0c\u4f60\u53ef\u4ee5\u907f\u514d PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\uff0c\u5e76\u5145\u5206\u5229\u7528\u5b83\u4eec\u7684\u4f18\u52bf\u3002<\/p>\n
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PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u4e2d\u7684\u5e38\u89c1\u9519\u8bef \u7c73\u4e91\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\u300b\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01 PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e38\u89c1\u9519\u8bef\uff1a1. \u4ee3\u7801\u8026\u5408\u8fc7\u7d27\uff1b2. \u4e0d\u5f53\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f\uff1b3. \u8fc7\u5ea6\u4f7f\u7528\u5de5\u5382\u6a21\u5f0f\uff1b4. \u5ffd\u7565\u5355\u5143\u6d4b\u8bd5\uff1b5. \u6ca1\u6709\u8003\u8651\u6027\u80fd\u3002\u7262\u8bb0\u8fd9\u4e9b\u51c6\u5219\u53ef\u907f\u514d\u9519\u8bef\uff0c\u5145\u5206\u53d1\u6325\u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u4f18\u52bf\u3002 PHP \u4e2d\u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u7684\u5e38\u89c1\u9519\u8bef \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u662f\u4e00\u79cd\u5728 PHP \u4e2d\u7ec4\u7ec7\u548c\u91cd\u7528\u4ee3\u7801\u7684\u5f3a\u5927\u5de5\u5177\u3002\u7136\u800c\uff0c\u4f7f\u7528\u5b83\u4eec\u65f6\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\uff1a 1. \u4ee3\u7801\u8026\u5408\u8fc7\u7d27 \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u65e8\u5728\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\uff0c\u4f46\u8fc7\u5ea6\u4f7f\u7528\u4f1a\u5bfc\u81f4\u4ee3\u7801\u8026\u5408\u8fc7\u7d27\u3002\u8fd9\u4f7f\u5f97\u4fee\u6539\u548c\u7ef4\u62a4\u4ee3\u7801\u53d8\u5f97\u56f0\u96be\u3002 2. \u4e0d\u5f53\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f \u901a\u5e38\uff0c\u5355\u4f8b\u6a21\u5f0f\u7528\u4e8e\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u4e2d\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\u7684\u7c7b\u3002\u6ee5\u7528\u5b83\u4f1a\u5bfc\u81f4\u4ee3\u7801\u7ef4\u62a4\u95ee\u9898\u548c\u5185\u5b58\u6cc4\u6f0f\u3002 3. \u8fc7\u5ea6\u4f7f\u7528\u5de5\u5382\u6a21\u5f0f \u5de5\u5382\u6a21\u5f0f\u65e8\u5728\u521b\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u4f46\u8fc7\u91cf\u4f7f\u7528\u4f1a\u5bfc\u81f4\u521b\u5efa\u8fc7\u7a0b\u53d8\u5f97\u590d\u6742\u4e14\u96be\u4ee5\u7406\u89e3\u3002 4. \u5ffd\u7565\u5355\u5143\u6d4b\u8bd5 \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u9700\u8981\u5927\u91cf\u7684\u5355\u5143\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u5176\u6b63\u786e\u5de5\u4f5c\u3002\u5ffd\u7565\u6d4b\u8bd5\u4f1a\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u4e2d\u96be\u4ee5\u8c03\u8bd5\u7684\u9519\u8bef\u3002 5. \u6ca1\u6709\u8003\u8651\u6027\u80fd \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u867d\u7136\u5f3a\u5927\uff0c\u4f46\u6709\u4e9b\u53ef\u80fd\u4f1a\u5f71\u54cd\u6027\u80fd\u3002\u5728\u4f7f\u7528\u65f6\uff0c\u8003\u8651\u5176\u5bf9\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\u3002 \u5b9e\u6218\u6848\u4f8b \u4e00\u4e2a\u5e38\u89c1\u7684\u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u793a\u4f8b\u662f\u5355\u4f8b\u6a21\u5f0f\uff0c\u53ef\u7528\u4e8e\u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\u7c7b\uff1a <?php class DatabaseConnection { private static $instance; private function __construct() {} public static function getInstance() { if (self::$instance === null) { self::$instance […]<\/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-46513","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46513","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=46513"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46513\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}