{"id":47503,"date":"2024-12-02T11:51:15","date_gmt":"2024-12-02T03:51:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47503\/"},"modified":"2024-12-02T11:51:15","modified_gmt":"2024-12-02T03:51:15","slug":"%e5%a4%a7%e5%9e%8b%e9%a1%b9%e7%9b%ae%e4%b8%adphp%e5%87%bd%e6%95%b0%e4%bd%bf%e7%94%a8%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47503\/","title":{"rendered":"\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u300b<\/span>\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n<p>\u5927\u578b PHP \u9879\u76ee\u4e2d\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u4e3a\u4e86\u786e\u4fdd PHP \u5927\u578b\u9879\u76ee\u7684\u4ee3\u7801\u7ef4\u62a4\u3001\u53ef\u91cd\u7528\u548c\u6548\u7387\uff0c\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u81f3\u5173\u91cd\u8981\uff1a\u9075\u5faa\u4e00\u81f4\u7684\u547d\u540d\u89c4\u5219\uff08functionName(arg1, arg2, &#8230;))\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u660e\u786e\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u907f\u514d\u9ed8\u8ba4\u53c2\u6570\u3002\u4e3a\u6bcf\u4e2a\u51fd\u6570\u63d0\u4f9b\u6e05\u6670\u7684\u6587\u6863\uff0c\u5305\u62ec\u4f5c\u7528\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u62bd\u53d6\u91cd\u590d\u529f\u80fd\u5230\u53ef\u91cd\u7528\u7684\u51fd\u6570\u4e2d\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u5c01\u88c5\u8ba1\u7b97\u8d2d\u7269\u8f66\u603b\u4ef7\u7684\u51fd\u6570 calculateTotalPrice\uff0c\u5728\u6574\u4e2a\u9879\u76ee\u4e2d\u91cd\u7528\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729921484671c81cc63259.jpg\" class=\"aligncenter\" title=\"\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u63d2\u56fe\" alt=\"\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5927\u578b\u9879\u76ee\u4e2d PHP \u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>\u5728\u5927\u578b PHP \u9879\u76ee\u4e2d\uff0c\u51fd\u6570\u7684\u4f7f\u7528\u81f3\u5173\u91cd\u8981\u3002\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u786e\u4fdd\u60a8\u7684\u4ee3\u7801\u53ef\u7ef4\u62a4\u3001\u53ef\u91cd\u7528\u4e14\u9ad8\u6548\u3002<\/p>\n<p><strong>1. \u547d\u540d\u89c4\u5219<\/strong><\/p>\n<p>\u9075\u5faa\u4e00\u81f4\u7684\u547d\u540d\u89c4\u5219\uff0c\u8fd9\u5c06\u4f7f\u60a8\u7684\u4ee3\u7801\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002\u5bf9\u4e8e\u51fd\u6570\uff0c\u5efa\u8bae\u4f7f\u7528\u4ee5\u4e0b\u683c\u5f0f\uff1a<\/p>\n<pre>functionName(arg1, arg2, ...)<\/pre>\n<p>\u5176\u4e2d <code>functionName<\/code> \u662f\u51fd\u6570\u7684\u540d\u79f0\uff0c<code>arg1<\/code>\u3001<code>arg2<\/code> \u7b49\u662f\u51fd\u6570\u7684\u53c2\u6570\u3002<\/p>\n<p><strong>2. \u51fd\u6570\u53c2\u6570<\/strong><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\uff1a\u9488\u5bf9\u51fd\u6570\u7684\u53c2\u6570\u6307\u5b9a\u7c7b\u578b\uff0c\u4ee5\u4fbf\u5728\u7f16\u8bd1\u65f6\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function sum(int $a, int $b): int\n{\n  return $a + $b;\n}<\/pre>\n<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u9ed8\u8ba4\u53c2\u6570\uff1a\u9ed8\u8ba4\u53c2\u6570\u4f1a\u4f7f\u51fd\u6570\u7b7e\u540d\u53d8\u5f97\u590d\u6742\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<p><strong>3. \u8fd4\u56de\u503c\u7c7b\u578b<\/strong><\/p>\n<p>\u59cb\u7ec8\u6307\u5b9a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u3002\u8fd9\u5c06\u4f7f\u7f16\u8bd1\u5668\u80fd\u591f\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\uff0c\u5e76\u6709\u52a9\u4e8e\u907f\u514d\u7c7b\u578b\u9519\u8bef\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function getArray(): array\n{\n    return ['a', 'b', 'c'];\n}<\/pre>\n<p><strong>4. \u6587\u6863<\/strong><\/p>\n<p>\u4e3a\u6bcf\u4e2a\u51fd\u6570\u63d0\u4f9b\u6e05\u6670\u7684\u6587\u6863\uff0c\u5305\u62ec\u51fd\u6570\u7684\u4f5c\u7528\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u8fd9\u5c06\u6709\u52a9\u4e8e\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u7406\u89e3\u60a8\u7684\u4ee3\u7801\u3002\u53ef\u4ee5\u4f7f\u7528\u6587\u6863\u6ce8\u91ca\u6765\u5b9e\u73b0\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>\/**\n * \u6c42\u548c\u4e24\u4e2a\u6574\u6570\n *\n * @param int $a \u7b2c\u4e00\u4e2a\u6574\u6570\n * @param int $b \u7b2c\u4e8c\u4e2a\u6574\u6570\n * @return int \u6c42\u548c\u7ed3\u679c\n *\/\nfunction sum(int $a, int $b): int\n{\n    return $a + $b;\n}<\/pre>\n<p><strong>5. \u590d\u7528\u6027<\/strong><\/p>\n<p>\u907f\u514d\u521b\u5efa\u91cd\u590d\u7684\u529f\u80fd\u3002\u5982\u679c\u9700\u8981\u7c7b\u4f3c\u7684\u529f\u80fd\uff0c\u8bf7\u8003\u8651\u5c06\u5b83\u4eec\u63d0\u53d6\u5230\u4e00\u4e2a\u51fd\u6570\u4e2d\uff0c\u4ee5\u4fbf\u5728\u6574\u4e2a\u9879\u76ee\u4e2d\u91cd\u7528\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u8d2d\u7269\u8f66\u4e2d\u5546\u54c1\u603b\u4ef7\u7684\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u5c01\u88c5\u6210\u4e00\u4e2a\u540d\u4e3a <code>calculateTotalPrice<\/code> \u7684\u51fd\u6570\uff1a<\/p>\n<pre>function calculateTotalPrice(array $items): float\n{\n    \/\/ \u8ba1\u7b97\u5546\u54c1\u603b\u4ef7\n    $total = 0;\n    foreach ($items as $item) {\n        $total += $item['price'] * $item['quantity'];\n    }\n\n    return $total;\n}<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u5728\u6574\u4e2a\u9879\u76ee\u4e2d\u91cd\u7528\u6b64\u51fd\u6570\u6765\u8ba1\u7b97\u4e0d\u540c\u8d2d\u7269\u8f66\u7684\u603b\u4ef7\u3002<\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u786e\u4fdd\u5927\u578b\u9879\u76ee\u4e2d\u51fd\u6570\u7684\u6709\u6548\u548c\u4e00\u81f4\u4f7f\u7528\uff0c\u4ece\u800c\u4f7f\u5176\u66f4\u6613\u4e8e\u7ef4\u62a4\u548c\u53ef\u91cd\u7528\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879 \u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300a\u5927\u578b\u9879\u76ee\u4e2dphp\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u300b\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01 \u5927\u578b PHP \u9879\u76ee\u4e2d\u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\u4e3a\u4e86\u786e\u4fdd PHP \u5927\u578b\u9879\u76ee\u7684\u4ee3\u7801\u7ef4\u62a4\u3001\u53ef\u91cd\u7528\u548c\u6548\u7387\uff0c\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u81f3\u5173\u91cd\u8981\uff1a\u9075\u5faa\u4e00\u81f4\u7684\u547d\u540d\u89c4\u5219\uff08functionName(arg1, arg2, &#8230;))\u3002\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u660e\u786e\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u907f\u514d\u9ed8\u8ba4\u53c2\u6570\u3002\u4e3a\u6bcf\u4e2a\u51fd\u6570\u63d0\u4f9b\u6e05\u6670\u7684\u6587\u6863\uff0c\u5305\u62ec\u4f5c\u7528\u3001\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u62bd\u53d6\u91cd\u590d\u529f\u80fd\u5230\u53ef\u91cd\u7528\u7684\u51fd\u6570\u4e2d\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u5c01\u88c5\u8ba1\u7b97\u8d2d\u7269\u8f66\u603b\u4ef7\u7684\u51fd\u6570 calculateTotalPrice\uff0c\u5728\u6574\u4e2a\u9879\u76ee\u4e2d\u91cd\u7528\u3002 \u5927\u578b\u9879\u76ee\u4e2d PHP \u51fd\u6570\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879 \u5728\u5927\u578b PHP \u9879\u76ee\u4e2d\uff0c\u51fd\u6570\u7684\u4f7f\u7528\u81f3\u5173\u91cd\u8981\u3002\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u786e\u4fdd\u60a8\u7684\u4ee3\u7801\u53ef\u7ef4\u62a4\u3001\u53ef\u91cd\u7528\u4e14\u9ad8\u6548\u3002 1. \u547d\u540d\u89c4\u5219 \u9075\u5faa\u4e00\u81f4\u7684\u547d\u540d\u89c4\u5219\uff0c\u8fd9\u5c06\u4f7f\u60a8\u7684\u4ee3\u7801\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002\u5bf9\u4e8e\u51fd\u6570\uff0c\u5efa\u8bae\u4f7f\u7528\u4ee5\u4e0b\u683c\u5f0f\uff1a functionName(arg1, arg2, &#8230;) \u5176\u4e2d functionName \u662f\u51fd\u6570\u7684\u540d\u79f0\uff0carg1\u3001arg2 \u7b49\u662f\u51fd\u6570\u7684\u53c2\u6570\u3002 2. \u51fd\u6570\u53c2\u6570 \u4f7f\u7528\u7c7b\u578b\u63d0\u793a\uff1a\u9488\u5bf9\u51fd\u6570\u7684\u53c2\u6570\u6307\u5b9a\u7c7b\u578b\uff0c\u4ee5\u4fbf\u5728\u7f16\u8bd1\u65f6\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\u3002\u4f8b\u5982\uff1a function sum(int $a, int $b): int { return $a + $b; } \u907f\u514d\u4f7f\u7528\u9ed8\u8ba4\u53c2\u6570\uff1a\u9ed8\u8ba4\u53c2\u6570\u4f1a\u4f7f\u51fd\u6570\u7b7e\u540d\u53d8\u5f97\u590d\u6742\uff0c\u5e76\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\u3002 3. \u8fd4\u56de\u503c\u7c7b\u578b \u59cb\u7ec8\u6307\u5b9a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u3002\u8fd9\u5c06\u4f7f\u7f16\u8bd1\u5668\u80fd\u591f\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\uff0c\u5e76\u6709\u52a9\u4e8e\u907f\u514d\u7c7b\u578b\u9519\u8bef\u3002\u4f8b\u5982\uff1a function getArray(): array { return [&#8216;a&#8217;, &#8216;b&#8217;, &#8216;c&#8217;]; } 4. [&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-47503","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47503","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=47503"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47503\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}