{"id":48258,"date":"2024-12-02T12:53:08","date_gmt":"2024-12-02T04:53:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48258\/"},"modified":"2024-12-02T12:53:08","modified_gmt":"2024-12-02T04:53:08","slug":"%e7%90%86%e8%a7%a3%e5%92%8c%e4%bd%bf%e7%94%a8-php-%e5%85%a8%e5%b1%80%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48258\/","title":{"rendered":"\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4<\/h1>\n<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\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~<\/p>\n<p>PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u5141\u8bb8\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7c7b\u3001\u51fd\u6570\u548c\u5e38\u91cf\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5b8c\u6574\u547d\u540d\u7a7a\u95f4\u3002\u5b83\u4f7f\u7528\u5173\u952e\u5b57 global \u58f0\u660e\uff0c\u53ef\u7528\u4e8e\u8de8\u6587\u4ef6\u8bbf\u95ee\u53d8\u91cf\u548c\u51fd\u6570\u3001\u907f\u514d\u5197\u957f\u547d\u540d\u7a7a\u95f4\u91cd\u590d\u4ee5\u53ca\u7b80\u5316\u4ee3\u7801\u3002\u4f46\u5e94\u8c28\u614e\u4f7f\u7528\uff0c\u56e0\u5176\u53ef\u80fd\u5bfc\u81f4\u540d\u79f0\u51b2\u7a81\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730005343671dc95f7edf8.jpg\" class=\"aligncenter\" title=\"\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u63d2\u56fe\" alt=\"\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5f15\u7528\u7c7b\u3001\u51fd\u6570\u548c\u5e38\u91cf\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5176\u5b8c\u6574\u7684\u547d\u540d\u7a7a\u95f4\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u5168\u5c40\u547d\u540d\u7a7a\u95f4\u4f7f\u7528\u5173\u952e\u5b57 <code>global<\/code> \u58f0\u660e\uff1a<\/p>\n<pre>global $variable;<\/pre>\n<p><strong>\u4f7f\u7528\u573a\u666f<\/strong><\/p>\n<p>\u5168\u5c40\u547d\u540d\u7a7a\u95f4\u5bf9\u4e8e\u4ee5\u4e0b\u573a\u666f\u975e\u5e38\u6709\u7528\uff1a<\/p>\n<ul>\n<li>\u8de8\u591a\u4e2a\u6587\u4ef6\u8bbf\u95ee\u53d8\u91cf\u548c\u51fd\u6570<\/li>\n<li>\u907f\u514d\u91cd\u590d\u6307\u5b9a\u5197\u957f\u7684\u547d\u540d\u7a7a\u95f4<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a <code>User<\/code> \u7c7b\u548c\u4e00\u4e2a <code>get_user()<\/code> \u51fd\u6570\uff0c\u5206\u522b\u4f4d\u4e8e\u4e0d\u540c\u7684\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre>\/\/ user.php\nnamespace App\\Models;\n\nclass User\n{\n    ...\n}<\/pre>\n<pre>\/\/ functions.php\nnamespace App\\Helpers;\n\nfunction get_user()\n{\n    ...\n}<\/pre>\n<p>\u8981\u4ece <code>index.php<\/code> \u6587\u4ef6\u4e2d\u8bbf\u95ee\u8fd9\u4e9b\u7c7b\u548c\u51fd\u6570\uff0c\u901a\u5e38\u9700\u8981\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>use App\\Models\\User;\nuse App\\Helpers\\get_user;\n\n$user = new User();\n$user_data = get_user();<\/pre>\n<p>\u4f7f\u7528\u5168\u5c40\u547d\u540d\u7a7a\u95f4\uff0c\u53ef\u4ee5\u7b80\u5316\u6b64\u8fc7\u7a0b\uff1a<\/p>\n<pre>global $user;\nglobal $get_user;\n\n$user = new $user();\n$user_data = $get_user();<\/pre>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul>\n<li>\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027<\/li>\n<li>\u7b80\u5316\u4ee3\u7801\u7ef4\u62a4<\/li>\n<li>\u51cf\u5c11\u547d\u540d\u7a7a\u95f4\u51b2\u7a81<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>\u4f7f\u7528\u5168\u5c40\u547d\u540d\u7a7a\u95f4\u5e94\u8c28\u614e\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u540d\u79f0\u51b2\u7a81\u548c\u91cd\u540d\u3002\u5efa\u8bae\u4ec5\u5728\u786e\u5b9e\u9700\u8981\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u3002<\/p>\n<p><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/p>\n<ul>\n<li>[PHP \u624b\u518c\uff1a\u5168\u5c40\u547d\u540d\u7a7a\u95f4](https:\/\/www.php.net\/manual\/zh\/language.namespaces.global.php)<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\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>\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4 \u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\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 \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u5141\u8bb8\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7c7b\u3001\u51fd\u6570\u548c\u5e38\u91cf\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5b8c\u6574\u547d\u540d\u7a7a\u95f4\u3002\u5b83\u4f7f\u7528\u5173\u952e\u5b57 global \u58f0\u660e\uff0c\u53ef\u7528\u4e8e\u8de8\u6587\u4ef6\u8bbf\u95ee\u53d8\u91cf\u548c\u51fd\u6570\u3001\u907f\u514d\u5197\u957f\u547d\u540d\u7a7a\u95f4\u91cd\u590d\u4ee5\u53ca\u7b80\u5316\u4ee3\u7801\u3002\u4f46\u5e94\u8c28\u614e\u4f7f\u7528\uff0c\u56e0\u5176\u53ef\u80fd\u5bfc\u81f4\u540d\u79f0\u51b2\u7a81\u3002 \u7406\u89e3\u548c\u4f7f\u7528 PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4 \u7b80\u4ecb PHP \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5f15\u7528\u7c7b\u3001\u51fd\u6570\u548c\u5e38\u91cf\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5176\u5b8c\u6574\u7684\u547d\u540d\u7a7a\u95f4\u3002 \u8bed\u6cd5 \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u4f7f\u7528\u5173\u952e\u5b57 global \u58f0\u660e\uff1a global $variable; \u4f7f\u7528\u573a\u666f \u5168\u5c40\u547d\u540d\u7a7a\u95f4\u5bf9\u4e8e\u4ee5\u4e0b\u573a\u666f\u975e\u5e38\u6709\u7528\uff1a \u8de8\u591a\u4e2a\u6587\u4ef6\u8bbf\u95ee\u53d8\u91cf\u548c\u51fd\u6570 \u907f\u514d\u91cd\u590d\u6307\u5b9a\u5197\u957f\u7684\u547d\u540d\u7a7a\u95f4 \u5b9e\u6218\u6848\u4f8b \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a User \u7c7b\u548c\u4e00\u4e2a get_user() \u51fd\u6570\uff0c\u5206\u522b\u4f4d\u4e8e\u4e0d\u540c\u7684\u6587\u4ef6\u4e2d\uff1a \/\/ user.php namespace App\\Models; class User { &#8230; } \/\/ functions.php namespace App\\Helpers; function get_user() { &#8230; } \u8981\u4ece index.php \u6587\u4ef6\u4e2d\u8bbf\u95ee\u8fd9\u4e9b\u7c7b\u548c\u51fd\u6570\uff0c\u901a\u5e38\u9700\u8981\u4ee5\u4e0b\u4ee3\u7801\uff1a use App\\Models\\User; [&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-48258","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48258","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=48258"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48258\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}