{"id":48448,"date":"2024-12-02T09:54:58","date_gmt":"2024-12-02T01:54:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48448\/"},"modified":"2024-12-02T09:54:58","modified_gmt":"2024-12-02T01:54:58","slug":"php%e5%8f%82%e6%95%b0%e7%b1%bb%e5%9e%8b%e6%a3%80%e6%9f%a5%e5%af%b9%e6%80%a7%e8%83%bd%e7%9a%84%e5%bd%b1%e5%93%8d%e5%a6%82%e4%bd%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48448\/","title":{"rendered":"PHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f<\/h1>\n<p>\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730030374671e2b26e4211.jpg\" class=\"aligncenter\" title=\"PHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u63d2\u56fe\" alt=\"PHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/p>\n<p><strong>\u524d\u8a00<\/strong><\/p>\n<p>PHP \u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u662f\u4e00\u79cd\u5728\u51fd\u6570\u6267\u884c\u4e4b\u524d\u9a8c\u8bc1\u53c2\u6570\u662f\u5426\u5c5e\u4e8e\u9884\u671f\u7c7b\u578b\u7684\u65b9\u6cd5\u3002\u5b83\u6709\u52a9\u4e8e\u6355\u83b7\u6f5c\u5728\u7684\u9519\u8bef\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u5065\u58ee\u6027\u3002\u7136\u800c\uff0c\u4ed4\u7ec6\u8003\u8651\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p><strong>\u6027\u80fd\u5f71\u54cd<\/strong><\/p>\n<ul>\n<li><strong>Type Hinting\uff1a<\/strong> PHP 7.0 \u5f15\u5165\u4e86\u7c7b\u578b\u63d0\u793a\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u53c2\u6570\u58f0\u660e\u4e2d\u6307\u5b9a\u9884\u671f\u7684\u7c7b\u578b\u3002\u8fd9\u53ef\u4ee5\u52a0\u901f\u6267\u884c\uff0c\u56e0\u4e3a PHP \u5c06\u5c1d\u8bd5\u5c06\u4f20\u9012\u7684\u503c\u5f3a\u5236\u8f6c\u6362\u4e3a\u58f0\u660e\u7684\u7c7b\u578b\u3002<\/li>\n<li><strong>Scalar Type\uff1a<\/strong> \u5bf9\u4e8e\u6807\u91cf\u7c7b\u578b\uff08\u4f8b\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u5b57\u7b26\u4e32\uff09\uff0c\u7c7b\u578b\u68c0\u67e5\u57fa\u672c\u4e0a\u6ca1\u6709\u6027\u80fd\u6210\u672c\u3002<\/li>\n<li><strong>\u590d\u5408\u7c7b\u578b\uff1a<\/strong> \u5bf9\u4e8e\u590d\u5408\u7c7b\u578b\uff08\u4f8b\u5982\u6570\u7ec4\u548c\u5bf9\u8c61\uff09\uff0c\u7c7b\u578b\u68c0\u67e5\u53ef\u4ee5\u66f4\u8017\u8d39\u8d44\u6e90\uff0c\u56e0\u4e3a\u5b83\u6d89\u53ca\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/li>\n<li><strong>\u6ce8\u89e3\uff1a<\/strong> \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u8fdb\u884c\u53c2\u6570\u7c7b\u578b\u6ce8\u89e3\u4f1a\u5bfc\u81f4\u8fd0\u884c\u65f6\u5f00\u9500\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e93\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u51fd\u6570\uff1a<\/p>\n<pre>function validateEmail(string $email): bool {\n    return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;\n}<\/pre>\n<p>\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u5f3a\u5236\u5c06 <code>$email<\/code> \u53c2\u6570\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u56e0\u4e3a PHP \u4f1a\u5728\u51fd\u6570\u6267\u884c\u4e4b\u524d\u5f3a\u5236\u8f6c\u6362\u503c\u3002<\/p>\n<p><strong>\u5efa\u8bae<\/strong><\/p>\n<ul>\n<li><strong>\u6839\u636e\u9700\u8981\u4f7f\u7528\u7c7b\u578b\u68c0\u67e5\uff1a<\/strong> \u4ec5\u5728\u68c0\u6d4b\u9519\u8bef\u81f3\u5173\u91cd\u8981\u4e14\u6027\u80fd\u5f71\u54cd\u53ef\u4ee5\u63a5\u53d7\u65f6\u624d\u4f7f\u7528\u7c7b\u578b\u68c0\u67e5\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6807\u91cf\u7c7b\u578b\uff1a<\/strong> \u4f18\u5148\u4f7f\u7528\u65e0\u6cd5\u6a21\u62df\u975e\u9884\u671f\u7c7b\u578b\u7684\u6807\u91cf\u7c7b\u578b\u3002<\/li>\n<li><strong>\u4f18\u5316\u590d\u5408\u7c7b\u578b\u68c0\u67e5\uff1a<\/strong> \u5982\u679c\u9700\u8981\u68c0\u67e5\u590d\u5408\u7c7b\u578b\uff0c\u8bf7\u4f7f\u7528\u7279\u5b9a\u7684\u5e93\u6216\u7b97\u6cd5\u6765\u6700\u5927\u5316\u6027\u80fd\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u5e76\u5206\u6790\uff1a<\/strong> \u5728\u90e8\u7f72\u53d7\u7c7b\u578b\u68c0\u67e5\u5f71\u54cd\u7684\u4ee3\u7801\u4e4b\u524d\uff0c\u52a1\u5fc5\u8fdb\u884c\u5f7b\u5e95\u7684\u6d4b\u8bd5\u548c\u57fa\u51c6\u6d4b\u8bd5\uff0c\u4ee5\u8bc4\u4f30\u6027\u80fd\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aPHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u6027\u80fd\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f \u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aPHP\u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u300b\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~ PHP \u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd \u524d\u8a00 PHP \u53c2\u6570\u7c7b\u578b\u68c0\u67e5\u662f\u4e00\u79cd\u5728\u51fd\u6570\u6267\u884c\u4e4b\u524d\u9a8c\u8bc1\u53c2\u6570\u662f\u5426\u5c5e\u4e8e\u9884\u671f\u7c7b\u578b\u7684\u65b9\u6cd5\u3002\u5b83\u6709\u52a9\u4e8e\u6355\u83b7\u6f5c\u5728\u7684\u9519\u8bef\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u5065\u58ee\u6027\u3002\u7136\u800c\uff0c\u4ed4\u7ec6\u8003\u8651\u7c7b\u578b\u68c0\u67e5\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u975e\u5e38\u91cd\u8981\u3002 \u6027\u80fd\u5f71\u54cd Type Hinting\uff1a PHP 7.0 \u5f15\u5165\u4e86\u7c7b\u578b\u63d0\u793a\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u53c2\u6570\u58f0\u660e\u4e2d\u6307\u5b9a\u9884\u671f\u7684\u7c7b\u578b\u3002\u8fd9\u53ef\u4ee5\u52a0\u901f\u6267\u884c\uff0c\u56e0\u4e3a PHP \u5c06\u5c1d\u8bd5\u5c06\u4f20\u9012\u7684\u503c\u5f3a\u5236\u8f6c\u6362\u4e3a\u58f0\u660e\u7684\u7c7b\u578b\u3002 Scalar Type\uff1a \u5bf9\u4e8e\u6807\u91cf\u7c7b\u578b\uff08\u4f8b\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u5b57\u7b26\u4e32\uff09\uff0c\u7c7b\u578b\u68c0\u67e5\u57fa\u672c\u4e0a\u6ca1\u6709\u6027\u80fd\u6210\u672c\u3002 \u590d\u5408\u7c7b\u578b\uff1a \u5bf9\u4e8e\u590d\u5408\u7c7b\u578b\uff08\u4f8b\u5982\u6570\u7ec4\u548c\u5bf9\u8c61\uff09\uff0c\u7c7b\u578b\u68c0\u67e5\u53ef\u4ee5\u66f4\u8017\u8d39\u8d44\u6e90\uff0c\u56e0\u4e3a\u5b83\u6d89\u53ca\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u7684\u7c7b\u578b\u3002 \u6ce8\u89e3\uff1a \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u8fdb\u884c\u53c2\u6570\u7c7b\u578b\u6ce8\u89e3\u4f1a\u5bfc\u81f4\u8fd0\u884c\u65f6\u5f00\u9500\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e93\u7684\u5177\u4f53\u5b9e\u73b0\u3002 \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b\u51fd\u6570\uff1a function validateEmail(string $email): bool { return filter_var($email, FILTER_VALIDATE_EMAIL) !== false; } \u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u5f3a\u5236\u5c06 $email \u53c2\u6570\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u56e0\u4e3a PHP \u4f1a\u5728\u51fd\u6570\u6267\u884c\u4e4b\u524d\u5f3a\u5236\u8f6c\u6362\u503c\u3002 \u5efa\u8bae \u6839\u636e\u9700\u8981\u4f7f\u7528\u7c7b\u578b\u68c0\u67e5\uff1a \u4ec5\u5728\u68c0\u6d4b\u9519\u8bef\u81f3\u5173\u91cd\u8981\u4e14\u6027\u80fd\u5f71\u54cd\u53ef\u4ee5\u63a5\u53d7\u65f6\u624d\u4f7f\u7528\u7c7b\u578b\u68c0\u67e5\u3002 \u4f7f\u7528\u6807\u91cf\u7c7b\u578b\uff1a \u4f18\u5148\u4f7f\u7528\u65e0\u6cd5\u6a21\u62df\u975e\u9884\u671f\u7c7b\u578b\u7684\u6807\u91cf\u7c7b\u578b\u3002 \u4f18\u5316\u590d\u5408\u7c7b\u578b\u68c0\u67e5\uff1a \u5982\u679c\u9700\u8981\u68c0\u67e5\u590d\u5408\u7c7b\u578b\uff0c\u8bf7\u4f7f\u7528\u7279\u5b9a\u7684\u5e93\u6216\u7b97\u6cd5\u6765\u6700\u5927\u5316\u6027\u80fd\u3002 \u6d4b\u8bd5\u5e76\u5206\u6790\uff1a 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