{"id":48524,"date":"2024-12-02T09:28:17","date_gmt":"2024-12-02T01:28:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48524\/"},"modified":"2024-12-02T09:28:17","modified_gmt":"2024-12-02T01:28:17","slug":"%e4%bd%bf%e7%94%a8-php-%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48524\/","title":{"rendered":"\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p>PHP \u533f\u540d\u51fd\u6570\u53ef\u4ee5\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u5b9a\u4e49\uff0c\u7ee7\u627f\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\u3001\u5e38\u91cf\u548c\u51fd\u6570\u3002\u4e3a\u4e86\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 use \u5b50\u53e5\u6355\u83b7\u5b83\u4eec\uff0c\u5373\u4f7f\u662f\u5728\u547d\u540d\u7a7a\u95f4\u4e4b\u5916\u58f0\u660e\u7684\u53d8\u91cf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730074010671ed59a74797.jpg\" class=\"aligncenter\" title=\"\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f\u63d2\u56fe\" alt=\"\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n<p>PHP \u533f\u540d\u51fd\u6570\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b9a\u4e49\u4e0d\u9700\u8981\u547d\u540d\u51fd\u6570\u7684\u4fbf\u6377\u65b9\u5f0f\u3002\u4f46\u662f\uff0c\u533f\u540d\u51fd\u6570\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\u5176\u5305\u542b\u8303\u56f4\u4e4b\u5916\u7684\u53d8\u91cf\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u95ed\u5305\u6765\u6355\u83b7\u5916\u90e8\u53d8\u91cf\u3002<\/p>\n<p><strong>\u57fa\u7840\u8bed\u6cd5<\/strong><\/p>\n<p>\u533f\u540d\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>$anon_func = function (parameter_list) use (variable_list) {\n    \/\/ function body\n};<\/pre>\n<p><code>use<\/code> \u5b50\u53e5\u5141\u8bb8\u5728\u533f\u540d\u51fd\u6570\u4e2d\u6355\u83b7\u5916\u90e8\u53d8\u91cf\u3002\u8fd9\u4e9b\u53d8\u91cf\u53ef\u4ee5\u662f\u6807\u91cf\u3001\u5bf9\u8c61\u6216\u6570\u7ec4\u3002<\/p>\n<p><strong>\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u533f\u540d\u51fd\u6570<\/strong><\/p>\n<p>\u5f53\u533f\u540d\u51fd\u6570\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u5b9a\u4e49\u65f6\uff0c\u5b83\u7ee7\u627f\u4e86\u547d\u540d\u7a7a\u95f4\u3002\u8fd9\u610f\u5473\u7740\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\u3001\u5e38\u91cf\u548c\u51fd\u6570\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u533f\u540d\u51fd\u6570\u4f7f\u7528\u547d\u540d\u7a7a\u95f4 <code>MyNamespace<\/code> \u4e2d\u7684 <code>MyClass<\/code>\uff1a<\/p>\n<pre>namespace MyNamespace;\n\n$anon_func = function () {\n    $myClass = new MyClass();\n    return $myClass-&gt;doSomething();\n};<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u573a\u666f\uff1a\u60a8\u9700\u8981\u4e00\u4e2a\u51fd\u6570\u6765\u6839\u636e\u7528\u6237 ID \u4ece\u6570\u636e\u5e93\u4e2d\u68c0\u7d22\u7528\u6237\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u533f\u540d\u51fd\u6570\u548c MySQLi \u6269\u5c55\u6765\u5b9e\u73b0\u6b64\u529f\u80fd\uff1a<\/p>\n<pre>$get_user_by_id = function ($id) use ($mysqli) {\n    $stmt = $mysqli-&gt;prepare(\"SELECT * FROM users WHERE id = ?\");\n    $stmt-&gt;bind_param(\"i\", $id);\n    $stmt-&gt;execute();\n    $result = $stmt-&gt;get_result();\n    $user = $result-&gt;fetch_assoc();\n    return $user;\n};\n\n$user = $get_user_by_id(1);<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u533f\u540d\u51fd\u6570\u6355\u83b7\u4e86 <code>$mysqli<\/code> \u53d8\u91cf\uff0c\u5b83\u4ee3\u8868\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u7684 MySQLi \u5bf9\u8c61\u3002\u533f\u540d\u51fd\u6570\u4f7f\u7528\u6b64\u8fde\u63a5\u6765\u51c6\u5907\u548c\u6267\u884c\u4e00\u4e2a SQL \u67e5\u8be2\uff0c\u5e76\u68c0\u7d22\u4e0e\u7ed9\u5b9a ID \u76f8\u5339\u914d\u7684\u7528\u6237\u8bb0\u5f55\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f \u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300a\u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\uff1f\u300b\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6587\u7ae0\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~ PHP \u533f\u540d\u51fd\u6570\u53ef\u4ee5\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u5b9a\u4e49\uff0c\u7ee7\u627f\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\u3001\u5e38\u91cf\u548c\u51fd\u6570\u3002\u4e3a\u4e86\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 use \u5b50\u53e5\u6355\u83b7\u5b83\u4eec\uff0c\u5373\u4f7f\u662f\u5728\u547d\u540d\u7a7a\u95f4\u4e4b\u5916\u58f0\u660e\u7684\u53d8\u91cf\u3002 \u4f7f\u7528 PHP \u533f\u540d\u51fd\u6570\u4e2d\u7684\u547d\u540d\u7a7a\u95f4 PHP \u533f\u540d\u51fd\u6570\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b9a\u4e49\u4e0d\u9700\u8981\u547d\u540d\u51fd\u6570\u7684\u4fbf\u6377\u65b9\u5f0f\u3002\u4f46\u662f\uff0c\u533f\u540d\u51fd\u6570\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\u5176\u5305\u542b\u8303\u56f4\u4e4b\u5916\u7684\u53d8\u91cf\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u95ed\u5305\u6765\u6355\u83b7\u5916\u90e8\u53d8\u91cf\u3002 \u57fa\u7840\u8bed\u6cd5 \u533f\u540d\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a $anon_func = function (parameter_list) use (variable_list) { \/\/ function body }; use \u5b50\u53e5\u5141\u8bb8\u5728\u533f\u540d\u51fd\u6570\u4e2d\u6355\u83b7\u5916\u90e8\u53d8\u91cf\u3002\u8fd9\u4e9b\u53d8\u91cf\u53ef\u4ee5\u662f\u6807\u91cf\u3001\u5bf9\u8c61\u6216\u6570\u7ec4\u3002 \u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u533f\u540d\u51fd\u6570 \u5f53\u533f\u540d\u51fd\u6570\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u5b9a\u4e49\u65f6\uff0c\u5b83\u7ee7\u627f\u4e86\u547d\u540d\u7a7a\u95f4\u3002\u8fd9\u610f\u5473\u7740\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\u3001\u5e38\u91cf\u548c\u51fd\u6570\u3002 \u4f8b\u5982\uff0c\u4ee5\u4e0b\u533f\u540d\u51fd\u6570\u4f7f\u7528\u547d\u540d\u7a7a\u95f4 MyNamespace \u4e2d\u7684 MyClass\uff1a namespace MyNamespace; $anon_func = function () { $myClass = new MyClass(); return $myClass-&gt;doSomething(); }; \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b\u573a\u666f\uff1a\u60a8\u9700\u8981\u4e00\u4e2a\u51fd\u6570\u6765\u6839\u636e\u7528\u6237 ID \u4ece\u6570\u636e\u5e93\u4e2d\u68c0\u7d22\u7528\u6237\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u533f\u540d\u51fd\u6570\u548c MySQLi [&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-48524","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48524","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=48524"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48524\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}