{"id":48388,"date":"2024-12-02T09:32:11","date_gmt":"2024-12-02T01:32:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48388\/"},"modified":"2024-12-02T09:32:11","modified_gmt":"2024-12-02T01:32:11","slug":"php-%e5%87%bd%e6%95%b0%e7%89%88%e6%9c%ac%e6%9b%b4%e6%96%b0%e6%8c%87%e5%8d%97%ef%bc%9a%e5%af%b9%e9%a1%b9%e7%9b%ae%e7%9a%84%e5%bd%b1%e5%93%8d%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48388\/","title":{"rendered":"PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790<\/h1>\n<p>\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>PHP \u51fd\u6570\u66f4\u65b0\u5bf9\u9879\u76ee\u7684\u6f5c\u5728\u5f71\u54cd\uff1a\u5f71\u54cd\u7c7b\u578b\uff1a\u5411\u540e\u517c\u5bb9\u66f4\u65b0\uff1a\u4e0d\u4f1a\u7834\u574f\u4ee3\u7801\u3002\u5411\u540e\u4e0d\u517c\u5bb9\u66f4\u65b0\uff1a\u4f1a\u7834\u574f\u4ee3\u7801\u3002\u5f71\u54cd\u5206\u6790\uff1a\u786e\u5b9a\u53d7\u5f71\u54cd\u7684\u529f\u80fd\u3002\u68c0\u67e5\u5411\u540e\u517c\u5bb9\u6027\u3002\u8bc6\u522b\u517c\u5bb9\u6027\u95ee\u9898\u3002\u8bc4\u4f30\u5f71\u54cd\u3002\u5b9e\u6218\u6848\u4f8b\uff1a PHP 8.0 \u4e2d foo() \u51fd\u6570\u7684\u9ed8\u8ba4\u503c\u66f4\u6539\u5bfc\u81f4\u5411\u540e\u4e0d\u517c\u5bb9\u3002\u6700\u4f73\u5b9e\u8df5\uff1a\u68c0\u67e5 PHP \u66f4\u65b0\u6587\u6863\u3002\u66f4\u65b0\u9879\u76ee\u5230\u6700\u65b0\u7248\u672c\u3002\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u3002\u5355\u5143\u6d4b\u8bd5\u53d7\u5f71\u54cd\u4ee3\u7801\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730022518671e0c7662fd3.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790<\/strong><\/p>\n<p><strong>\u6982\u8ff0<\/strong><\/p>\n<p>PHP \u51fd\u6570\u968f\u7740\u65b0\u7248\u672c\u7684\u53d1\u5e03\u4f1a\u6301\u7eed\u66f4\u65b0\u3002\u8fd9\u4e9b\u66f4\u65b0\u53ef\u80fd\u5305\u62ec\u5bf9\u73b0\u6709\u51fd\u6570\u7684\u884c\u4e3a\u3001\u7b7e\u540d\u6216\u53ef\u7528\u6027\u7684\u66f4\u6539\u3002\u7406\u89e3\u8fd9\u4e9b\u66f4\u65b0\u5bf9\u73b0\u6709\u9879\u76ee\u7684\u6f5c\u5728\u5f71\u54cd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u5f71\u54cd\u7c7b\u578b<\/strong><\/p>\n<p>\u51fd\u6570\u66f4\u65b0\u7684\u5f71\u54cd\u53ef\u4ee5\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n<ul>\n<li><strong>\u5411\u540e\u517c\u5bb9\u66f4\u65b0\uff1a<\/strong> \u4e0d\u4f1a\u7834\u574f\u73b0\u6709\u4ee3\u7801\u7684\u66f4\u6539\u3002\u4f8b\u5982\uff0c\u6dfb\u52a0\u53ef\u9009\u53c2\u6570\u3002<\/li>\n<li><strong>\u5411\u540e\u4e0d\u517c\u5bb9\u66f4\u65b0\uff1a<\/strong> \u4f1a\u7834\u574f\u73b0\u6709\u4ee3\u7801\u7684\u66f4\u6539\u3002\u4f8b\u5982\uff0c\u5220\u9664\u51fd\u6570\u6216\u66f4\u6539\u5176\u7b7e\u540d\u3002<\/li>\n<\/ul>\n<p><strong>\u5f71\u54cd\u5206\u6790<\/strong><\/p>\n<p>\u8981\u5206\u6790\u51fd\u6570\u66f4\u65b0\u5bf9\u9879\u76ee\u7684\u6f5c\u5728\u5f71\u54cd\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u786e\u5b9a\u53d7\u5f71\u54cd\u7684\u529f\u80fd\uff1a<\/strong> \u6807\u8bc6\u4f9d\u8d56\u53d7\u5f71\u54cd\u51fd\u6570\u7684\u4ee3\u7801\u90e8\u5206\u3002<\/li>\n<li><strong>\u68c0\u67e5\u5411\u540e\u517c\u5bb9\u6027\uff1a<\/strong> \u67e5\u770b\u66f4\u65b0\u7684\u6587\u6863\u4ee5\u786e\u5b9a\u66f4\u65b0\u662f\u5426\u5411\u540e\u517c\u5bb9\u3002<\/li>\n<li><strong>\u8bc6\u522b\u517c\u5bb9\u6027\u95ee\u9898\uff1a<\/strong> \u5982\u679c\u66f4\u65b0\u4e0d\u517c\u5bb9\uff0c\u5219\u786e\u5b9a\u4f1a\u7834\u574f\u7684\u4ee3\u7801\u90e8\u5206\u3002<\/li>\n<li><strong>\u8bc4\u4f30\u5f71\u54cd\uff1a<\/strong> \u8bc4\u4f30\u4fee\u590d\u4ee3\u7801\u6240\u9700\u7684 esfor\u00e7o \u548c\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u3002<\/li>\n<\/ol>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b PHP \u51fd\u6570\u66f4\u65b0\uff1a<\/p>\n<pre>\/\/ PHP 7.4\nfunction foo(string $str, bool $uppercase = false)<\/pre>\n<pre>\/\/ PHP 8.0\nfunction foo(string $str, bool $uppercase = true)<\/pre>\n<ul>\n<li><strong>\u5411\u540e\u517c\u5bb9\u6027\uff1a<\/strong> \u4e0d\u517c\u5bb9\uff0c\u56e0\u4e3a\u9ed8\u8ba4\u503c\u5df2\u66f4\u6539\u3002<\/li>\n<li><strong>\u5f71\u54cd\uff1a<\/strong> \u4efb\u4f55\u4ee5\u524d\u4e0d\u6307\u5b9a <code>$uppercase<\/code> \u53c2\u6570\u7684\u5730\u65b9\u73b0\u5728\u90fd\u9ed8\u8ba4\u4e3a <code>true<\/code>\u3002<\/li>\n<li><strong>\u4fee\u590d\uff1a<\/strong> \u6839\u636e\u9700\u8981\u66f4\u65b0\u4ee3\u7801\u4ee5\u6307\u5b9a <code>$uppercase<\/code> \u53c2\u6570\u6216\u9884\u671f\u65b0\u7684\u9ed8\u8ba4\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p>\u4e3a\u4e86\u6700\u5c0f\u5316\u51fd\u6570\u66f4\u65b0\u7684\u5f71\u54cd\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li>\u59cb\u7ec8\u68c0\u67e5\u65b0\u7684 PHP \u7248\u672c\u7684\u66f4\u65b0\u6587\u6863\u3002<\/li>\n<li>\u5b9a\u671f\u66f4\u65b0\u60a8\u7684\u9879\u76ee\u4ee5\u4f7f\u7528\u6700\u65b0\u7248\u672c\u7684 PHP\u3002<\/li>\n<li>\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u6765\u8ddf\u8e2a\u4ee3\u7801\u66f4\u6539\u3002<\/li>\n<li>\u5bf9\u53d7\u51fd\u6570\u66f4\u65b0\u5f71\u54cd\u7684\u4ee3\u7801\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aPHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u51fd\u6570\u66f4\u65b0\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790 \u5b66\u4e60\u6587\u7ae0\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790\u300b\u5c06\u4f1a\u4ecb\u7ecd\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60\u6587\u7ae0\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01 PHP \u51fd\u6570\u66f4\u65b0\u5bf9\u9879\u76ee\u7684\u6f5c\u5728\u5f71\u54cd\uff1a\u5f71\u54cd\u7c7b\u578b\uff1a\u5411\u540e\u517c\u5bb9\u66f4\u65b0\uff1a\u4e0d\u4f1a\u7834\u574f\u4ee3\u7801\u3002\u5411\u540e\u4e0d\u517c\u5bb9\u66f4\u65b0\uff1a\u4f1a\u7834\u574f\u4ee3\u7801\u3002\u5f71\u54cd\u5206\u6790\uff1a\u786e\u5b9a\u53d7\u5f71\u54cd\u7684\u529f\u80fd\u3002\u68c0\u67e5\u5411\u540e\u517c\u5bb9\u6027\u3002\u8bc6\u522b\u517c\u5bb9\u6027\u95ee\u9898\u3002\u8bc4\u4f30\u5f71\u54cd\u3002\u5b9e\u6218\u6848\u4f8b\uff1a PHP 8.0 \u4e2d foo() \u51fd\u6570\u7684\u9ed8\u8ba4\u503c\u66f4\u6539\u5bfc\u81f4\u5411\u540e\u4e0d\u517c\u5bb9\u3002\u6700\u4f73\u5b9e\u8df5\uff1a\u68c0\u67e5 PHP \u66f4\u65b0\u6587\u6863\u3002\u66f4\u65b0\u9879\u76ee\u5230\u6700\u65b0\u7248\u672c\u3002\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u3002\u5355\u5143\u6d4b\u8bd5\u53d7\u5f71\u54cd\u4ee3\u7801\u3002 PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u5206\u6790 \u6982\u8ff0 PHP \u51fd\u6570\u968f\u7740\u65b0\u7248\u672c\u7684\u53d1\u5e03\u4f1a\u6301\u7eed\u66f4\u65b0\u3002\u8fd9\u4e9b\u66f4\u65b0\u53ef\u80fd\u5305\u62ec\u5bf9\u73b0\u6709\u51fd\u6570\u7684\u884c\u4e3a\u3001\u7b7e\u540d\u6216\u53ef\u7528\u6027\u7684\u66f4\u6539\u3002\u7406\u89e3\u8fd9\u4e9b\u66f4\u65b0\u5bf9\u73b0\u6709\u9879\u76ee\u7684\u6f5c\u5728\u5f71\u54cd\u81f3\u5173\u91cd\u8981\u3002 \u5f71\u54cd\u7c7b\u578b \u51fd\u6570\u66f4\u65b0\u7684\u5f71\u54cd\u53ef\u4ee5\u5206\u4e3a\u4e24\u7c7b\uff1a \u5411\u540e\u517c\u5bb9\u66f4\u65b0\uff1a \u4e0d\u4f1a\u7834\u574f\u73b0\u6709\u4ee3\u7801\u7684\u66f4\u6539\u3002\u4f8b\u5982\uff0c\u6dfb\u52a0\u53ef\u9009\u53c2\u6570\u3002 \u5411\u540e\u4e0d\u517c\u5bb9\u66f4\u65b0\uff1a \u4f1a\u7834\u574f\u73b0\u6709\u4ee3\u7801\u7684\u66f4\u6539\u3002\u4f8b\u5982\uff0c\u5220\u9664\u51fd\u6570\u6216\u66f4\u6539\u5176\u7b7e\u540d\u3002 \u5f71\u54cd\u5206\u6790 \u8981\u5206\u6790\u51fd\u6570\u66f4\u65b0\u5bf9\u9879\u76ee\u7684\u6f5c\u5728\u5f71\u54cd\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u786e\u5b9a\u53d7\u5f71\u54cd\u7684\u529f\u80fd\uff1a \u6807\u8bc6\u4f9d\u8d56\u53d7\u5f71\u54cd\u51fd\u6570\u7684\u4ee3\u7801\u90e8\u5206\u3002 \u68c0\u67e5\u5411\u540e\u517c\u5bb9\u6027\uff1a \u67e5\u770b\u66f4\u65b0\u7684\u6587\u6863\u4ee5\u786e\u5b9a\u66f4\u65b0\u662f\u5426\u5411\u540e\u517c\u5bb9\u3002 \u8bc6\u522b\u517c\u5bb9\u6027\u95ee\u9898\uff1a \u5982\u679c\u66f4\u65b0\u4e0d\u517c\u5bb9\uff0c\u5219\u786e\u5b9a\u4f1a\u7834\u574f\u7684\u4ee3\u7801\u90e8\u5206\u3002 \u8bc4\u4f30\u5f71\u54cd\uff1a \u8bc4\u4f30\u4fee\u590d\u4ee3\u7801\u6240\u9700\u7684 esfor\u00e7o \u548c\u5bf9\u9879\u76ee\u7684\u5f71\u54cd\u3002 \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b PHP \u51fd\u6570\u66f4\u65b0\uff1a \/\/ PHP 7.4 function foo(string $str, bool $uppercase = false) \/\/ PHP 8.0 function foo(string [&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-48388","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48388","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=48388"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48388\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}