{"id":47669,"date":"2024-12-02T17:28:21","date_gmt":"2024-12-02T09:28:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47669\/"},"modified":"2024-12-02T17:28:21","modified_gmt":"2024-12-02T09:28:21","slug":"php-%e5%87%bd%e6%95%b0%e7%89%88%e6%9c%ac%e6%9b%b4%e6%96%b0%e6%8c%87%e5%8d%97%ef%bc%9a%e5%85%bc%e5%ae%b9%e6%80%a7%e9%97%ae%e9%a2%98%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47669\/","title":{"rendered":"PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u517c\u5bb9\u6027\u95ee\u9898\u8be6\u89e3"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u517c\u5bb9\u6027\u95ee\u9898\u8be6\u89e3<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP 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title=\"PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u517c\u5bb9\u6027\u95ee\u9898\u8be6\u89e3\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u517c\u5bb9\u6027\u95ee\u9898\u8be6\u89e3\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u517c\u5bb9\u6027\u95ee\u9898\u8be6\u89e3<\/strong><\/p>\n<p><strong>\u524d\u8a00<\/strong><\/p>\n<p>\u968f\u7740 PHP \u7684\u66f4\u65b0\u6362\u4ee3\uff0c\u51fd\u6570\u7684\u7248\u672c\u4e5f\u5728\u4e0d\u65ad\u5347\u7ea7\u3002\u5728\u5347\u7ea7\u8fc7\u7a0b\u4e2d\uff0c\u5f00\u53d1\u8005\u53ef\u80fd\u4f1a\u9047\u5230\u517c\u5bb9\u6027\u95ee\u9898\u3002\u672c\u6587\u65e8\u5728\u8be6\u7ec6\u89e3\u6790\u8fd9\u4e9b\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u5b9e\u7528\u6307\u5357\uff0c\u5e2e\u52a9\u60a8\u987a\u5229\u5347\u7ea7 PHP 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7.0 \u4ee3\u7801\uff1a<\/p>\n<pre>&lt;?php\nfunction myFunction($arg1, $arg2) {\n  return $arg1 + $arg2;\n}\n?&gt;<\/pre>\n<p>\u5728\u8fd9\u4e2a\u7248\u672c\u4e2d\uff0c<code>myFunction<\/code> \u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u6574\u6570\u53c2\u6570\u5e76\u8fd4\u56de\u5b83\u4eec\u7684\u548c\u3002<\/p>\n<p>\u5728 PHP 7.4 \u4e2d\uff0c<code>myFunction<\/code> \u51fd\u6570\u53d1\u751f\u4e86\u5982\u4e0b\u66f4\u6539\uff1a<\/p>\n<ul>\n<li><strong>\u53c2\u6570\u7c7b\u578b\uff1a<\/strong>\u7b2c\u4e00\u4e2a\u53c2\u6570\u73b0\u5728\u5f3a\u5236\u8981\u6c42\u4e3a\u6d6e\u70b9\u6570\u3002<\/li>\n<li><strong>\u8fd4\u56de\u503c\uff1a<\/strong>\u8fd4\u56de\u503c\u73b0\u5728\u5f3a\u5236\u8981\u6c42\u4e3a\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u8981\u89e3\u51b3\u8fd9\u4e9b\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u9700\u8981\u66f4\u65b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;?php\nfunction myFunction(float $arg1, float $arg2) {\n  return (string) ($arg1 + $arg2);\n}\n?&gt;<\/pre>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u66f4\u6539\uff0c<code>myFunction<\/code> \u51fd\u6570\u73b0\u5728\u4e0e PHP 7.4 \u517c\u5bb9\u3002<\/p>\n<p><strong>\u63d0\u793a\uff1a<\/strong><\/p>\n<ul>\n<li>\u4ed4\u7ec6\u68c0\u67e5\u51fd\u6570\u58f0\u660e\u7684\u66f4\u6539\uff0c\u5c24\u5176\u5173\u6ce8\u53c2\u6570\u7c7b\u578b\u548c\u8fd4\u56de\u503c\u3002<\/li>\n<li>\u4f7f\u7528 IDE \u6216 linter \u6765\u8bc6\u522b\u548c\u89e3\u51b3\u6f5c\u5728\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/li>\n<li>\u8003\u8651\u4f7f\u7528\u517c\u5bb9\u6027\u5e93\u6216\u5de5\u5177\u6765\u5e2e\u52a9\u81ea\u52a8\u5316\u5347\u7ea7\u8fc7\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPHP 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\u51fd\u6570\u7248\u672c\u66f4\u65b0\u6307\u5357\uff1a\u517c\u5bb9\u6027\u95ee\u9898\u8be6\u89e3\u300b\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6587\u7ae0\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~ \u51fd\u6570\u7248\u672c\u66f4\u65b0\u4f1a\u5bfc\u81f4\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u5305\u62ec\u53c2\u6570\u53d8\u66f4\u3001\u8fd4\u56de\u503c\u53d8\u66f4\u548c\u51fd\u6570\u5f03\u7528\u3002\u5728\u5347\u7ea7 PHP 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