{"id":47613,"date":"2024-12-02T12:15:14","date_gmt":"2024-12-02T04:15:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47613\/"},"modified":"2024-12-02T12:15:14","modified_gmt":"2024-12-02T04:15:14","slug":"%e5%a6%82%e4%bd%95%e7%bc%96%e5%86%99%e4%b8%80%e4%b8%aa%e6%96%87%e6%a1%a3%e9%bd%90%e5%85%a8%e7%9a%84-php-%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47613\/","title":{"rendered":"\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570<\/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\">\u300a\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570\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>\u7f16\u5199\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570\u662f\u521b\u5efa\u53ef\u7ef4\u62a4\u548c\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u7684\u5173\u952e\u3002\u53ef\u4ee5\u901a\u8fc7\u6ce8\u89e3\u529f\u80fd\u63d0\u4f9b\u8be6\u7ec6\u7684\u5143\u6570\u636e\uff0c\u5305\u62ec\uff1a1. 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\u51fd\u6570<\/strong><\/p>\n<p>\u7f16\u5199\u6587\u6863\u9f50\u5168\u7684\u51fd\u6570\u662f\u521b\u5efa\u53ef\u7ef4\u62a4\u4e14\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u7684\u5173\u952e\u3002PHP \u63d0\u4f9b\u4e86\u6ce8\u89e3\u529f\u80fd\uff0c\u53ef\u8ba9\u4f60\u4e3a\u51fd\u6570\u63d0\u4f9b\u8be6\u7ec6\u7684\u5143\u6570\u636e\uff0c\u5305\u62ec\u7c7b\u578b\u63d0\u793a\u3001\u53c2\u6570\u63cf\u8ff0\u3001\u8fd4\u56de\u503c\u8bf4\u660e\uff0c\u4ee5\u53ca\u5176\u4ed6\u6709\u7528\u7684\u4fe1\u606f\u3002<\/p>\n<p><strong>\u7c7b\u578b\u63d0\u793a<\/strong><\/p>\n<p>\u7c7b\u578b\u63d0\u793a\u53ef\u6307\u5b9a\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002IDE \u548c\u4ee3\u7801\u68c0\u67e5\u5de5\u5177\u53ef\u4ee5\u4f7f\u7528\u6b64\u4fe1\u606f\u6765\u68c0\u67e5\u4ee3\u7801\u662f\u5426\u5b58\u5728\u9519\u8bef\u5e76\u63d0\u4f9b\u6709\u7528\u7684\u5efa\u8bae\u3002<\/p>\n<pre>\/**\n * \u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\n *\n * @param int $num1 \u7b2c\u4e00\u4e2a\u6570\u5b57\n * @param int $num2 \u7b2c\u4e8c\u4e2a\u6570\u5b57\n * @return int \u4e24\u6570\u4e4b\u548c\n *\/\nfunction add(int $num1, int $num2): int\n{\n    return $num1 + $num2;\n}<\/pre>\n<p><strong>\u53c2\u6570\u63cf\u8ff0<\/strong><\/p>\n<p>\u53c2\u6570\u63cf\u8ff0\u63d0\u4f9b\u4e86\u6709\u5173\u51fd\u6570\u53c2\u6570\u76ee\u7684\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<pre>\/**\n * \u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\n *\n * @param int $num1 \u7b2c\u4e00\u4e2a\u6570\u5b57\uff0c\u8868\u793a\u88ab\u52a0\u6570\n * @param int $num2 \u7b2c\u4e8c\u4e2a\u6570\u5b57\uff0c\u8868\u793a\u52a0\u6570\n * @return int \u4e24\u6570\u4e4b\u548c\uff0c\u8868\u793a\u548c\n *\/\nfunction add(int $num1, int $num2): int\n{\n    return $num1 + $num2;\n}<\/pre>\n<p><strong>\u8fd4\u56de\u503c\u8bf4\u660e<\/strong><\/p>\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\u63cf\u8ff0\u4e86\u51fd\u6570\u8fd4\u56de\u7684\u503c\u3002<\/p>\n<pre>\/**\n * \u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\n *\n * @param int $num1 \u7b2c\u4e00\u4e2a\u6570\u5b57\uff0c\u8868\u793a\u88ab\u52a0\u6570\n * @param int $num2 \u7b2c\u4e8c\u4e2a\u6570\u5b57\uff0c\u8868\u793a\u52a0\u6570\n * @return int \u4e24\u6570\u4e4b\u548c\uff0c\u8868\u793a\u548c\n *\/\nfunction add(int $num1, int $num2): int\n{\n    \/**\n     * \u8fd4\u56de\u4e24\u4e2a\u6570\u5b57\u7684\u548c\n     *\n     * @return int\n     *\/\n    return $num1 + $num2;\n}<\/pre>\n<p><strong>\u5f02\u5e38\u8bf4\u660e<\/strong><\/p>\n<p>\u5f02\u5e38\u8bf4\u660e\u6307\u5b9a\u4e86\u51fd\u6570\u53ef\u80fd\u4f1a\u5f15\u53d1\u7684\u4efb\u4f55\u5f02\u5e38\u53ca\u5176\u53ef\u80fd\u7684\u539f\u56e0\u3002<\/p>\n<pre>\/**\n * \u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\n *\n * @param int $num1 \u7b2c\u4e00\u4e2a\u6570\u5b57\uff0c\u8868\u793a\u88ab\u52a0\u6570\n * @param int $num2 \u7b2c\u4e8c\u4e2a\u6570\u5b57\uff0c\u8868\u793a\u52a0\u6570\n * @return int \u4e24\u6570\u4e4b\u548c\uff0c\u8868\u793a\u548c\n * @throws InvalidArgumentException \u5982\u679c\u4efb\u4f55\u8f93\u5165\u4e0d\u662f\u6574\u6570\n *\/\nfunction add(int $num1, int $num2): int\n{\n    if (!is_int($num1) || !is_int($num2)) {\n        throw new InvalidArgumentException('\u8f93\u5165\u5fc5\u987b\u662f\u6574\u6570');\n    }\n\n    return $num1 + $num2;\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u6ce8\u89e3\u7f16\u5199\u4e00\u4e2a\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570\uff1a<\/p>\n<pre>\/**\n * \u5c06\u7ed9\u5b9a\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\n *\n * @param string $str \u5f85\u8f6c\u6362\u7684\u5b57\u7b26\u4e32\n * @return string \u8f6c\u6362\u540e\u7684\u5b57\u7b26\u4e32\uff0c\u5168\u90e8\u5927\u5199\n *\/\nfunction strtoupper(string $str): string\n{\n    return strtoupper($str);\n}<\/pre>\n<p>\u7f16\u5199\u6587\u6863\u9f50\u5168\u7684\u51fd\u6570\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\uff0c\u4f7f\u5176\u66f4\u6613\u4e8e\u7406\u89e3\u3001\u7ef4\u62a4\u548c\u91cd\u7528\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570 \u5b66\u4e60\u6587\u7ae0\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300a\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570\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 \u7f16\u5199\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570\u662f\u521b\u5efa\u53ef\u7ef4\u62a4\u548c\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u7684\u5173\u952e\u3002\u53ef\u4ee5\u901a\u8fc7\u6ce8\u89e3\u529f\u80fd\u63d0\u4f9b\u8be6\u7ec6\u7684\u5143\u6570\u636e\uff0c\u5305\u62ec\uff1a1. \u7c7b\u578b\u63d0\u793a\uff08\u6307\u5b9a\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\uff09\uff1b2. \u53c2\u6570\u63cf\u8ff0\uff08\u63cf\u8ff0\u51fd\u6570\u53c2\u6570\u76ee\u7684\uff09\uff1b3. \u8fd4\u56de\u503c\u8bf4\u660e\uff08\u63cf\u8ff0\u51fd\u6570\u8fd4\u56de\u7684\u503c\uff09\uff1b4. \u5f02\u5e38\u8bf4\u660e\uff08\u6307\u5b9a\u51fd\u6570\u53ef\u80fd\u5f15\u53d1\u7684\u4efb\u4f55\u5f02\u5e38\uff09\u3002 \u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u6587\u6863\u9f50\u5168\u7684 PHP \u51fd\u6570 \u7f16\u5199\u6587\u6863\u9f50\u5168\u7684\u51fd\u6570\u662f\u521b\u5efa\u53ef\u7ef4\u62a4\u4e14\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u7684\u5173\u952e\u3002PHP \u63d0\u4f9b\u4e86\u6ce8\u89e3\u529f\u80fd\uff0c\u53ef\u8ba9\u4f60\u4e3a\u51fd\u6570\u63d0\u4f9b\u8be6\u7ec6\u7684\u5143\u6570\u636e\uff0c\u5305\u62ec\u7c7b\u578b\u63d0\u793a\u3001\u53c2\u6570\u63cf\u8ff0\u3001\u8fd4\u56de\u503c\u8bf4\u660e\uff0c\u4ee5\u53ca\u5176\u4ed6\u6709\u7528\u7684\u4fe1\u606f\u3002 \u7c7b\u578b\u63d0\u793a \u7c7b\u578b\u63d0\u793a\u53ef\u6307\u5b9a\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002IDE \u548c\u4ee3\u7801\u68c0\u67e5\u5de5\u5177\u53ef\u4ee5\u4f7f\u7528\u6b64\u4fe1\u606f\u6765\u68c0\u67e5\u4ee3\u7801\u662f\u5426\u5b58\u5728\u9519\u8bef\u5e76\u63d0\u4f9b\u6709\u7528\u7684\u5efa\u8bae\u3002 \/** * \u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c * * @param int $num1 \u7b2c\u4e00\u4e2a\u6570\u5b57 * @param int $num2 \u7b2c\u4e8c\u4e2a\u6570\u5b57 * @return int \u4e24\u6570\u4e4b\u548c *\/ function add(int $num1, int $num2): int { return $num1 + $num2; } \u53c2\u6570\u63cf\u8ff0 \u53c2\u6570\u63cf\u8ff0\u63d0\u4f9b\u4e86\u6709\u5173\u51fd\u6570\u53c2\u6570\u76ee\u7684\u7684\u8be6\u7ec6\u4fe1\u606f\u3002 \/** 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