{"id":46788,"date":"2024-12-02T14:39:33","date_gmt":"2024-12-02T06:39:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46788\/"},"modified":"2024-12-02T14:39:33","modified_gmt":"2024-12-02T06:39:33","slug":"%e5%8f%af%e5%8f%98%e5%8f%82%e6%95%b0%e5%9c%a8%e5%88%9b%e5%bb%ba%e5%8f%af%e9%87%8d%e7%94%a8%e5%92%8c%e5%8f%af%e6%89%a9%e5%b1%95-php-%e4%bb%a3%e7%a0%81%e6%97%b6%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46788\/","title":{"rendered":"\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p>\u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u5728 PHP \u4e2d\u4f20\u9012\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u91cd\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u5b83\u4f7f\u7528 &#8230; \u7b26\u53f7\u8868\u793a\u53ef\u53d8\u53c2\u6570\uff0c\u53ef\u4ee5\u63a5\u6536\u4efb\u4f55\u6570\u91cf\u7684\u503c\uff0c\u5e76\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u6765\u5904\u7406\u53c2\u6570\u3002\u53ef\u53d8\u53c2\u6570\u5e26\u6765\u7684\u4f18\u52bf\u5305\u62ec\uff1a\u53ef\u91cd\u7528\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u4ee3\u7801\u7b80\u6d01\u6027\u3002\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u65f6\uff0c\u5efa\u8bae\u4f7f\u7528\u547d\u540d\u53d8\u91cf\u5e76\u5c0f\u5fc3\u6f5c\u5728\u7684\u8c03\u8bd5\u56f0\u96be\uff0c\u4ee5\u53ca\u8003\u8651\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u4ee5\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729846575671b5d2fabb70.jpg\" class=\"aligncenter\" title=\"\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027\u63d2\u56fe\" alt=\"\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027\u63d2\u56fe\" \/><\/p>\n<p><strong>\u53ef\u53d8\u53c2\u6570\uff1a\u63d0\u9ad8 PHP \u4ee3\u7801\u91cd\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u60a8\u5c06\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570\u6216\u65b9\u6cd5\u3002\u8fd9\u4e3a\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u53ef\u53d8\u53c2\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>function functionName(...$parameterName): void {}<\/pre>\n<p><code>...<\/code> \u7b26\u53f7\u8868\u793a\u8be5\u53c2\u6570\u662f\u53ef\u53d8\u53c2\u6570\uff0c\u53ef\u4ee5\u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u503c\u3002\u53c2\u6570\u540d\u79f0\u662f\u5206\u914d\u7ed9\u53ef\u53d8\u53c2\u6570\u53d8\u91cf\u7684\u540d\u79f0\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u6570\u7ec4\u4e2d\u5143\u7d20\u603b\u548c\u7684\u51fd\u6570\u3002\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u53ef\u5904\u7406\u4efb\u4f55\u6570\u91cf\u7684\u6574\u6570\u7684\u51fd\u6570\uff1a<\/p>\n<pre>function sum(...$numbers): int {\n  $total = 0;\n  foreach ($numbers as $number) {\n    $total += $number;\n  }\n  return $total;\n}<\/pre>\n<p><strong>\u4f18\u52bf<\/strong><\/p>\n<ul>\n<li><strong>\u53ef\u91cd\u7528\u6027\uff1a<\/strong>\u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u60a8\u521b\u5efa\u901a\u7528\u529f\u80fd\uff0c\u8fd9\u4e9b\u529f\u80fd\u53ef\u4ee5\u5904\u7406\u4e0d\u540c\u6570\u91cf\u7684\u53c2\u6570\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u60a8\u5c31\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u7f16\u5199\u4ee3\u7801\u6765\u5904\u7406\u4e0d\u540c\u7684\u53c2\u6570\u6570\u91cf\u3002<\/li>\n<li><strong>\u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u53ef\u53d8\u53c2\u6570\u4f7f\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u6269\u5c55\u4ee3\u7801\u4ee5\u5904\u7406\u989d\u5916\u7684\u53c2\u6570\u3002\u53ea\u9700\u66f4\u65b0\u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u5728\u4e0d\u7834\u574f\u73b0\u6709\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u6dfb\u52a0\u66f4\u591a\u53c2\u6570\u3002<\/li>\n<li><strong>\u7b80\u6d01\u6027\uff1a<\/strong>\u53ef\u53d8\u53c2\u6570\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u6cd5\u6765\u5904\u7406\u5927\u91cf\u53c2\u6570\uff0c\u540c\u65f6\u4fdd\u6301\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u63d0\u793a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u547d\u540d\u53ef\u53d8\u53c2\u6570\uff08\u5982 <code>...$parameters<\/code>\uff09\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u65f6\u8981\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u96be\u4ee5\u8c03\u8bd5\u3002<\/li>\n<li>\u8003\u8651\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u53ef\u53d8\u53c2\u6570\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<p>\u6587\u4e2d\u5173\u4e8e\u53ef\u91cd\u7528\u4ee3\u7801,\u53ef\u6269\u5c55\u4ee3\u7801\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027 \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u53ef\u53d8\u53c2\u6570\u5728\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55 PHP \u4ee3\u7801\u65f6\u7684\u91cd\u8981\u6027\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 \u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u5728 PHP \u4e2d\u4f20\u9012\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u91cd\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u5b83\u4f7f\u7528 &#8230; \u7b26\u53f7\u8868\u793a\u53ef\u53d8\u53c2\u6570\uff0c\u53ef\u4ee5\u63a5\u6536\u4efb\u4f55\u6570\u91cf\u7684\u503c\uff0c\u5e76\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u6765\u5904\u7406\u53c2\u6570\u3002\u53ef\u53d8\u53c2\u6570\u5e26\u6765\u7684\u4f18\u52bf\u5305\u62ec\uff1a\u53ef\u91cd\u7528\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u4ee3\u7801\u7b80\u6d01\u6027\u3002\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u65f6\uff0c\u5efa\u8bae\u4f7f\u7528\u547d\u540d\u53d8\u91cf\u5e76\u5c0f\u5fc3\u6f5c\u5728\u7684\u8c03\u8bd5\u56f0\u96be\uff0c\u4ee5\u53ca\u8003\u8651\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u4ee5\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u9760\u6027\u3002 \u53ef\u53d8\u53c2\u6570\uff1a\u63d0\u9ad8 PHP \u4ee3\u7801\u91cd\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027 \u5728 PHP \u4e2d\uff0c\u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u60a8\u5c06\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570\u6216\u65b9\u6cd5\u3002\u8fd9\u4e3a\u521b\u5efa\u53ef\u91cd\u7528\u548c\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u3002 \u8bed\u6cd5 \u53ef\u53d8\u53c2\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a function functionName(&#8230;$parameterName): void {} &#8230; \u7b26\u53f7\u8868\u793a\u8be5\u53c2\u6570\u662f\u53ef\u53d8\u53c2\u6570\uff0c\u53ef\u4ee5\u63a5\u6536\u4efb\u610f\u6570\u91cf\u7684\u503c\u3002\u53c2\u6570\u540d\u79f0\u662f\u5206\u914d\u7ed9\u53ef\u53d8\u53c2\u6570\u53d8\u91cf\u7684\u540d\u79f0\u3002 \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u6570\u7ec4\u4e2d\u5143\u7d20\u603b\u548c\u7684\u51fd\u6570\u3002\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u53ef\u5904\u7406\u4efb\u4f55\u6570\u91cf\u7684\u6574\u6570\u7684\u51fd\u6570\uff1a function 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