{"id":47553,"date":"2024-12-02T11:32:32","date_gmt":"2024-12-02T03:32:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47553\/"},"modified":"2024-12-02T11:32:32","modified_gmt":"2024-12-02T03:32:32","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e5%8f%98%e9%87%8f%e7%9a%84%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47553\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u5b9a\u4e49\u53d8\u91cf\u7684\u7c7b\u578b\uff1f"},"content":{"rendered":"

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

PHP \u51fd\u6570\u4e2d\u5982\u4f55\u5b9a\u4e49\u53d8\u91cf\u7684\u7c7b\u578b\uff1f<\/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 \u51fd\u6570\u4e2d\u5982\u4f55\u5b9a\u4e49\u53d8\u91cf\u7684\u7c7b\u578b\uff1f\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

\u5728 PHP \u51fd\u6570\u4e2d\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u53ef\u589e\u5f3a\u4ee3\u7801\u8d28\u91cf\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a\u7c7b\u578b\u63d0\u793a\uff1a\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\u3002\u5f3a\u5236\u8f6c\u6362\uff1a\u4f7f\u7528\u5f3a\u5236\u8f6c\u6362\u64cd\u4f5c\u7b26\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\u3002DocBlock \u6ce8\u91ca\uff1a\u4f7f\u7528 @param \u548c @return \u6807\u8bb0\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\u3002<\/p>\n

\"PHP<\/p>\n

\u5728 PHP \u51fd\u6570\u4e2d\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b<\/h2>\n

\u524d\u8a00<\/strong><\/p>\n

\u5728 PHP \u51fd\u6570\u4e2d\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u6709\u52a9\u4e8e\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u7ef4\u62a4\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u6307\u5b9a\u53d8\u91cf\u7684\u9884\u671f\u7c7b\u578b\uff0c\u60a8\u53ef\u4ee5\u9632\u6b62\u610f\u5916\u8d4b\u503c\u548c\u8fd0\u884c\u65f6\u9519\u8bef\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5728 PHP \u51fd\u6570\u4e2d\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u7684\u5404\u79cd\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5b9e\u9645\u793a\u4f8b\u3002<\/p>\n

\u65b9\u6cd5 1\uff1a\u4f7f\u7528\u7c7b\u578b\u63d0\u793a<\/strong><\/p>\n

PHP 7.0 \u53ca\u66f4\u9ad8\u7248\u672c\u652f\u6301\u7c7b\u578b\u63d0\u793a\u3002\u8fd9\u662f\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\u7684\u6700\u76f4\u63a5\u65b9\u5f0f\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

function myFunction(string $name, int $age): void {...}<\/pre>\n
    \n
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  • int<\/code>\uff1a\u6574\u6570\u7c7b\u578b<\/li>\n
  • void<\/code>\uff1a\u6b64\u51fd\u6570\u6ca1\u6709\u8fd4\u56de\u503c<\/li>\n<\/ul>\n
    \u65b9\u6cd5 2\uff1a\u4f7f\u7528\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362<\/strong><\/p>\n
    \u53e6\u4e00\u79cd\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u3002\u8fd9\u6d89\u53ca\u5728\u53d8\u91cf\u540d\u524d\u4f7f\u7528\u5f3a\u5236\u8f6c\u6362\u64cd\u4f5c\u7b26\uff1a<\/p>\n
    function myFunction(string $name, int $age) {...}\n\n$age = (int) $user_age; \/\/ \u5f3a\u5236 user_age \u53d8\u91cf\u8f6c\u6362\u4e3a\u6574\u6570<\/pre>\n
    \u65b9\u6cd5 3\uff1a\u4f7f\u7528 DocBlock \u6ce8\u91ca<\/strong><\/p>\n
    DocBlock \u6ce8\u91ca\u662f\u4e00\u79cd\u6587\u6863\u5b57\u7b26\u4e32\uff0c\u63d0\u4f9b\u6709\u5173\u51fd\u6570\u53ca\u5176\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u4fe1\u606f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 @param<\/code> \u548c @return<\/code> \u6807\u8bb0\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\uff1a<\/p>\n
    \/**\n * @param string $name\n * @param int $age\n * @return void\n *\/\nfunction myFunction($name, $age) {...}<\/pre>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\uff1a<\/p>\n
    <?php\n\n\/**\n * \u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\n *\n * @param int $a\n * @param int $b\n * @return int\n *\/\nfunction add_numbers(int $a, int $b): int\n{\n  return $a + $b;\n}\n\n\/\/ \u8c03\u7528 add_numbers \u51fd\u6570\u5e76\u63a5\u6536\u7ed3\u679c\n$result = add_numbers(10, 20);\n\n\/\/ \u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8f93\u51fa\u7ed3\u679c\necho \"The sum is {$result}\";\n\n?><\/pre>\n
    \u7ed3\u8bba<\/strong><\/p>\n
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    \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u5b9a\u4e49\u53d8\u91cf\u7684\u7c7b\u578b\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u53d8\u91cf\u7c7b\u578b\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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