{"id":47198,"date":"2024-12-02T13:03:32","date_gmt":"2024-12-02T05:03:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47198\/"},"modified":"2024-12-02T13:03:32","modified_gmt":"2024-12-02T05:03:32","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e8%87%aa%e5%b7%b1%e7%9a%84%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47198\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p>PHP \u81ea\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u5141\u8bb8\u521b\u5efa\u7279\u5b9a\u529f\u80fd\u548c\u5c5e\u6027\u7684\u81ea\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u6613\u7ef4\u62a4\u6027\u3002\u901a\u8fc7 declare(strict_types=1) \u8bed\u53e5\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u5e76\u4f7f\u7528\u5f3a\u5236\u7c7b\u578b\u673a\u5236\u786e\u4fdd\u53d8\u91cf\u4ec5\u5b58\u50a8\u517c\u5bb9\u6570\u636e\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u53ef\u9a8c\u8bc1\u90ae\u7bb1\u5730\u5740\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u5e76\u901a\u8fc7\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u578b\u6765\u786e\u4fdd\u90ae\u7bb1\u5730\u5740\u6709\u6548\u6027\u3002\u9519\u8bef\u5904\u7406\u673a\u5236\u53ef\u6355\u83b7\u65e0\u6548\u6570\u636e\u5e76\u5f15\u53d1 InvalidArgumentException\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729903589671c3be50c7f7.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u901a\u8fc7 PHP \u81ea\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u81ea\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u5141\u8bb8\u60a8\u521b\u5efa\u5177\u6709\u7279\u5b9a\u529f\u80fd\u548c\u5c5e\u6027\u7684\u81ea\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\u3002\u8fd9\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6a21\u5757\u5316\u3001\u53ef\u91cd\u7528\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<p><strong>\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b<\/strong><\/p>\n<p>\u4e3a\u4e86\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>declare<\/code> \u8bed\u53e5\uff1a<\/p>\n<pre>declare(strict_types=1);\n\nclass MyClass\n{\n    private $name;\n\n    public function __construct(string $name)\n    {\n        $this-&gt;name = $name;\n    }\n\n    public function getName(): string\n    {\n        return $this-&gt;name;\n    }\n}<\/pre>\n<p><strong>\u5f3a\u5236\u7c7b\u578b<\/strong><\/p>\n<p>\u901a\u8fc7\u4f7f\u7528 <code>declare(strict_types=1)<\/code>\uff0c\u60a8\u53ef\u4ee5\u5f3a\u5236\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u578b\u53d8\u91cf\u3002\u8fd9\u610f\u5473\u7740\u53d8\u91cf\u53ea\u80fd\u5b58\u50a8\u4e0e\u7c7b\u578b\u517c\u5bb9\u7684\u6570\u636e\uff1a<\/p>\n<pre>$myClass = new MyClass('John');\necho $myClass-&gt;getName(); \/\/ John<\/pre>\n<p><strong>\u5b9e\u65f6\u793a\u4f8b<\/strong><\/p>\n<p><strong>\u521b\u5efa\u53ef\u9a8c\u8bc1\u90ae\u7bb1\u5730\u5740\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b\uff1a<\/strong><\/p>\n<pre>class Email\n{\n    private $email;\n\n    public function __construct(string $email)\n    {\n        if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {\n            throw new InvalidArgumentException('Invalid email address');\n        }\n\n        $this-&gt;email = $email;\n    }\n\n    public function getEmail(): string\n    {\n        return $this-&gt;email;\n    }\n}<\/pre>\n<p><strong>\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u578b\u786e\u4fdd\u90ae\u7bb1\u5730\u5740\u6709\u6548\u6027\uff1a<\/strong><\/p>\n<pre>$email = new Email('john@example.com');\necho $email-&gt;getEmail(); \/\/ john@example.com<\/pre>\n<p><strong>\u9519\u8bef\u5904\u7406\uff1a<\/strong><\/p>\n<p>\u5982\u679c\u5c1d\u8bd5\u521b\u5efa\u5305\u542b\u65e0\u6548\u6570\u636e\u7684\u81ea\u5b9a\u4e49\u53d8\u91cf\uff0c\u5c06\u5f15\u53d1 <code>InvalidArgumentException<\/code>\uff1a<\/p>\n<pre>try {\n    $email = new Email('invalid-email');\n} catch (InvalidArgumentException $e) {\n    echo $e-&gt;getMessage(); \/\/ Invalid email address\n}<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u53d8\u91cf\u7c7b\u578b\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f \u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u521b\u5efa\u81ea\u5df1\u7684\u53d8\u91cf\u7c7b\u578b\uff1f\u300b\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01 PHP \u81ea\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u5141\u8bb8\u521b\u5efa\u7279\u5b9a\u529f\u80fd\u548c\u5c5e\u6027\u7684\u81ea\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u6613\u7ef4\u62a4\u6027\u3002\u901a\u8fc7 declare(strict_types=1) \u8bed\u53e5\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u5e76\u4f7f\u7528\u5f3a\u5236\u7c7b\u578b\u673a\u5236\u786e\u4fdd\u53d8\u91cf\u4ec5\u5b58\u50a8\u517c\u5bb9\u6570\u636e\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u53ef\u9a8c\u8bc1\u90ae\u7bb1\u5730\u5740\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u5e76\u901a\u8fc7\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u578b\u6765\u786e\u4fdd\u90ae\u7bb1\u5730\u5740\u6709\u6548\u6027\u3002\u9519\u8bef\u5904\u7406\u673a\u5236\u53ef\u6355\u83b7\u65e0\u6548\u6570\u636e\u5e76\u5f15\u53d1 InvalidArgumentException\u3002 \u901a\u8fc7 PHP \u81ea\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b \u7b80\u4ecb \u81ea\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u5141\u8bb8\u60a8\u521b\u5efa\u5177\u6709\u7279\u5b9a\u529f\u80fd\u548c\u5c5e\u6027\u7684\u81ea\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\u3002\u8fd9\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6a21\u5757\u5316\u3001\u53ef\u91cd\u7528\u548c\u6613\u4e8e\u7ef4\u62a4\u3002 \u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b \u4e3a\u4e86\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 declare \u8bed\u53e5\uff1a declare(strict_types=1); class MyClass { private $name; public function __construct(string $name) { $this-&gt;name = $name; } public function getName(): string { return $this-&gt;name; } } \u5f3a\u5236\u7c7b\u578b \u901a\u8fc7\u4f7f\u7528 declare(strict_types=1)\uff0c\u60a8\u53ef\u4ee5\u5f3a\u5236\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u578b\u53d8\u91cf\u3002\u8fd9\u610f\u5473\u7740\u53d8\u91cf\u53ea\u80fd\u5b58\u50a8\u4e0e\u7c7b\u578b\u517c\u5bb9\u7684\u6570\u636e\uff1a $myClass = new MyClass(&#8216;John&#8217;); echo $myClass-&gt;getName(); \/\/ John \u5b9e\u65f6\u793a\u4f8b \u521b\u5efa\u53ef\u9a8c\u8bc1\u90ae\u7bb1\u5730\u5740\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b\uff1a [&hellip;]<\/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-47198","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47198","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=47198"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47198\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}