{"id":48502,"date":"2024-12-02T11:48:45","date_gmt":"2024-12-02T03:48:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48502\/"},"modified":"2024-12-02T11:48:45","modified_gmt":"2024-12-02T03:48:45","slug":"php-%e8%87%aa%e5%87%bd%e6%95%b0%e7%bc%96%e5%86%99%e5%ae%9e%e6%88%98%e4%b8%8e%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48502\/","title":{"rendered":"PHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7<\/h1>\n

\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300aPHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u81ea\u51fd\u6570\u662f\u6307\u7528\u6237\u7f16\u5199\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u5b9a\u5236 PHP \u884c\u4e3a\u3002\u8fd9\u4e9b\u51fd\u6570\u7684\u7f16\u5199\u6280\u5de7\u5305\u62ec\u5b9a\u4e49\u51fd\u6570\u7b7e\u540d\u3001\u4f20\u9012\u5f15\u7528\u53c2\u6570\u3001\u8bbe\u7f6e\u9ed8\u8ba4\u53c2\u6570\u3001\u4f7f\u7528\u8fd4\u56de\u503c\u3001\u547d\u540d\uff0c\u4ee5\u53ca\u6dfb\u52a0\u6587\u6863\u6ce8\u91ca\u3002\u81ea\u51fd\u6570\u7684\u597d\u5904\u4f53\u73b0\u5728\u4ee3\u7801\u590d\u7528\u3001\u6a21\u5757\u5316\u548c\u53ef\u6d4b\u8bd5\u6027\u589e\u5f3a\u7b49\u65b9\u9762\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7<\/h2>\n

\u81ea\u51fd\u6570\u662f\u6307\u4f60\u81ea\u5df1\u7f16\u5199\u7684\u51fd\u6570\uff0c\u4e0d\u5728 PHP \u5185\u7f6e\u7684\u51fd\u6570\u5217\u8868\u4e2d\u3002\u81ea\u51fd\u6570\u8ba9\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u5b9a\u5236 PHP \u884c\u4e3a\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u3002<\/p>\n

\u5b9e\u6218\u6848\u4f8b<\/h3>\n

\u5047\u8bbe\u4f60\u8981\u5bf9\u4e00\u4e2a\u6570\u5b57\u6570\u7ec4\u6c42\u548c\uff0c\u53ef\u4ee5\u7528\u81ea\u51fd\u6570\u7b80\u5316\u4ee3\u7801\uff1a<\/p>\n

<?php\nfunction sumArray($array) {\n  $sum = 0;\n  foreach ($array as $num) {\n    $sum += $num;\n  }\n  return $sum;\n}\n\n$array = [1, 2, 3, 4];\necho sumArray($array); \/\/ \u8f93\u51fa\uff1a10<\/pre>\n
\u7f16\u5199\u6280\u5de7<\/h3>\n
\u51fd\u6570\u7b7e\u540d<\/strong><\/p>\n
\u51fd\u6570\u7b7e\u540d\u7531\u51fd\u6570\u540d\u3001\u53c2\u6570\u5217\u8868\u548c\u8fd4\u56de\u7c7b\u578b\u7ec4\u6210\uff0c\u7528 function<\/code> \u5173\u952e\u5b57\u58f0\u660e\uff1a<\/p>\n
function function_name(parameters): return_type<\/pre>\n
\u53c2\u6570<\/strong><\/p>\n
    \n
  • \u4f20\u9012\u5f15\u7528\uff08&\uff09\uff1a<\/strong> \u53ef\u4ee5\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u3002<\/li>\n
  • \u9ed8\u8ba4\u53c2\u6570\uff1a<\/strong> \u4e3a\u672a\u6307\u5b9a\u53c2\u6570\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u7b80\u5316\u51fd\u6570\u8c03\u7528\u3002<\/li>\n<\/ul>\n
    function myFunction($param1, $param2 = 'default') {}<\/pre>\n
    \u8fd4\u56de\u503c<\/strong><\/p>\n
      \n
    • \u4f7f\u7528 return<\/code> \u8bed\u53e5\uff1a<\/strong> \u6807\u8bc6\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002<\/li>\n
    • \u7c7b\u578b\u63d0\u793a\uff1a<\/strong> \u5bf9\u8fd4\u56de\u503c\u7c7b\u578b\u8fdb\u884c\u7c7b\u578b\u7ea6\u675f\uff0c\u786e\u4fdd\u8fd4\u56de\u9884\u671f\u503c\u3002<\/li>\n<\/ul>\n
      function myFunction(): int { return 1; }<\/pre>\n
      \u547d\u540d<\/strong><\/p>\n
        \n
      • \u4f7f\u7528\u63cf\u8ff0\u6027\u540d\u79f0\uff1a<\/strong> \u5e2e\u52a9\u7406\u89e3\u51fd\u6570\u7684\u76ee\u7684\u3002<\/li>\n
      • \u9075\u5faa\u9a7c\u5cf0\u547d\u540d\u6cd5\uff1a<\/strong> \u7c7b\u548c\u51fd\u6570\u9996\u5b57\u6bcd\u5927\u5199\uff0c\u5355\u8bcd\u76f8\u8fde\u3002<\/li>\n
      • \u907f\u514d\u4f7f\u7528\u6cdb\u5316\u540d\u79f0\uff1a<\/strong> \u5982 doSomething()<\/code>, process()<\/code>.<\/li>\n<\/ul>\n
        \u6587\u6863\u6ce8\u91ca<\/strong><\/p>\n
          \n
        • \u4f7f\u7528 PHPDoc\uff1a<\/strong> \u6dfb\u52a0\u6ce8\u91ca\u5757\uff0c\u8bb0\u5f55\u51fd\u6570\u7684\u53c2\u6570\u3001\u8fd4\u56de\u503c\u548c\u7528\u9014\u3002<\/li>\n<\/ul>\n
          \/**\n * \u6c42\u6570\u7ec4\u548c\n *\n * @param array $array \u6570\u7ec4\n * @return int \u548c\n *\/\nfunction sumArray($array) {}<\/pre>\n
          \u4f18\u70b9<\/strong><\/p>\n
            \n
          • \u4ee3\u7801\u590d\u7528\uff1a<\/strong> \u5171\u7528\u7684\u4efb\u52a1\u53ef\u4ee5\u5c01\u88c5\u6210\u51fd\u6570\uff0c\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\u3002<\/li>\n
          • \u6a21\u5757\u5316\uff1a<\/strong> \u5c06\u4ee3\u7801\u7ec4\u7ec7\u6210\u66f4\u6613\u7ef4\u62a4\u7684\u5c0f\u5757\u3002<\/li>\n
          • \u53ef\u6d4b\u8bd5\u6027\uff1a<\/strong> \u81ea\u51fd\u6570\u53ef\u4ee5\u72ec\u7acb\u6d4b\u8bd5\uff0c\u63d0\u9ad8\u4ee3\u7801\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n
            \u672c\u7bc7\u5173\u4e8e\u300aPHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7\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":"
            PHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7 \u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300aPHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7\u300b\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 \u81ea\u51fd\u6570\u662f\u6307\u7528\u6237\u7f16\u5199\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u5b9a\u5236 PHP \u884c\u4e3a\u3002\u8fd9\u4e9b\u51fd\u6570\u7684\u7f16\u5199\u6280\u5de7\u5305\u62ec\u5b9a\u4e49\u51fd\u6570\u7b7e\u540d\u3001\u4f20\u9012\u5f15\u7528\u53c2\u6570\u3001\u8bbe\u7f6e\u9ed8\u8ba4\u53c2\u6570\u3001\u4f7f\u7528\u8fd4\u56de\u503c\u3001\u547d\u540d\uff0c\u4ee5\u53ca\u6dfb\u52a0\u6587\u6863\u6ce8\u91ca\u3002\u81ea\u51fd\u6570\u7684\u597d\u5904\u4f53\u73b0\u5728\u4ee3\u7801\u590d\u7528\u3001\u6a21\u5757\u5316\u548c\u53ef\u6d4b\u8bd5\u6027\u589e\u5f3a\u7b49\u65b9\u9762\u3002 PHP \u81ea\u51fd\u6570\u7f16\u5199\u5b9e\u6218\u4e0e\u6280\u5de7 \u81ea\u51fd\u6570\u662f\u6307\u4f60\u81ea\u5df1\u7f16\u5199\u7684\u51fd\u6570\uff0c\u4e0d\u5728 PHP \u5185\u7f6e\u7684\u51fd\u6570\u5217\u8868\u4e2d\u3002\u81ea\u51fd\u6570\u8ba9\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u5b9a\u5236 PHP \u884c\u4e3a\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u3002 \u5b9e\u6218\u6848\u4f8b \u5047\u8bbe\u4f60\u8981\u5bf9\u4e00\u4e2a\u6570\u5b57\u6570\u7ec4\u6c42\u548c\uff0c\u53ef\u4ee5\u7528\u81ea\u51fd\u6570\u7b80\u5316\u4ee3\u7801\uff1a <?php function sumArray($array) { $sum = 0; foreach ($array as $num) { $sum += $num; } return $sum; } $array = [1, 2, 3, 4]; echo sumArray($array); \/\/ \u8f93\u51fa\uff1a10 \u7f16\u5199\u6280\u5de7 \u51fd\u6570\u7b7e\u540d \u51fd\u6570\u7b7e\u540d\u7531\u51fd\u6570\u540d\u3001\u53c2\u6570\u5217\u8868\u548c\u8fd4\u56de\u7c7b\u578b\u7ec4\u6210\uff0c\u7528 function \u5173\u952e\u5b57\u58f0\u660e\uff1a function function_name(parameters): return_type \u53c2\u6570 \u4f20\u9012\u5f15\u7528\uff08&\uff09\uff1a […]<\/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-48502","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48502","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=48502"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48502\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}