{"id":202478,"date":"2025-05-13T08:46:55","date_gmt":"2025-05-13T00:46:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202478\/"},"modified":"2025-05-13T08:46:55","modified_gmt":"2025-05-13T00:46:55","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%8f%af%e4%bb%a5%e4%bd%bf%e7%94%a8%e5%93%aa%e4%ba%9b%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%e7%9a%84%e7%94%a8%e9%80%94%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202478\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u7684\u7528\u9014\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u7684\u7528\u9014\u662f\u4ec0\u4e48\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\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u7684\u7528\u9014\u662f\u4ec0\u4e48\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 \u53d8\u91cf\u7c7b\u578b\u5305\u62ec\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u3001\u6570\u7ec4\u548c\u5bf9\u8c61\u3002\u6574\u6570\u7528\u4e8e\u8868\u793a\u6574\u6570\uff0c\u6d6e\u70b9\u6570\u7528\u4e8e\u8868\u793a\u5e26\u5c0f\u6570\u4f4d\u7684\u6570\u503c\uff0c\u5b57\u7b26\u4e32\u7528\u4e8e\u5b58\u50a8\u6587\u672c\uff0c\u5e03\u5c14\u503c\u8868\u793a\u771f\u6216\u5047\uff0c\u6570\u7ec4\u5b58\u50a8\u76f8\u5173\u6570\u636e\u96c6\u5408\uff0c\u5bf9\u8c61\u8868\u793a\u5177\u6709\u72b6\u6001\u548c\u884c\u4e3a\u7684\u5b9e\u4f53\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729837426671b39723931f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u53ca\u5176\u7528\u9014<\/strong><\/p>\n<p>PHP \u662f\u4e00\u79cd\u5f31\u7c7b\u578b\u8bed\u8a00\uff0c\u8fd9\u610f\u5473\u7740\u53d8\u91cf\u4e0d\u9700\u8981\u58f0\u660e\u7c7b\u578b\uff0c\u5e76\u4e14\u5b83\u4eec\u7684\u7c7b\u578b\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u66f4\u6539\u3002\u7136\u800c\uff0c\u4e86\u89e3\u4e0d\u540c\u53d8\u91cf\u7c7b\u578b\u7684\u76ee\u7684\u548c\u4f7f\u7528\u60c5\u51b5\u5bf9\u4e8e\u7f16\u5199\u5065\u58ee\u4e14\u9ad8\u6548\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n<p>PHP \u4e2d\u6700\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6574\u6570 (int)\uff1a<\/strong> \u6574\u6570\u503c\uff0c\u4f8b\u5982 -12, 0, 10<\/li>\n<li><strong>\u6d6e\u70b9\u6570 (float)\uff1a<\/strong> \u5e26\u6709\u5c0f\u6570\u70b9\u7684\u6570\u503c\uff0c\u4f8b\u5982 -12.34, 0.0, 10.5<\/li>\n<li><strong>\u5b57\u7b26\u4e32 (string)\uff1a<\/strong> \u7531\u5b57\u7b26\u7ec4\u6210\u7684\u5e8f\u5217\uff0c\u4f8b\u5982 &#8220;Hello World&#8221;, &#8220;123&#8221;, &#8220;&#8221;<\/li>\n<li><strong>\u5e03\u5c14\u503c (bool)\uff1a<\/strong> \u53ea\u6709\u4e24\u4e2a\u53ef\u80fd\u503c\u7684\u903b\u8f91\u7c7b\u578b\uff1atrue \u6216 false<\/li>\n<li><strong>\u6570\u7ec4 (array)\uff1a<\/strong> \u53ef\u4ee5\u5b58\u50a8\u5404\u79cd\u6570\u636e\u7c7b\u578b\u7684\u6709\u5e8f\u503c\u96c6\u5408<\/li>\n<li><strong>\u5bf9\u8c61 (object)\uff1a<\/strong> \u8868\u793a\u73b0\u5b9e\u4e16\u754c\u5b9e\u4f53\u7684\u590d\u6742\u6570\u636e\u7ed3\u6784<\/li>\n<\/ul>\n<p><strong>\u7528\u9014<\/strong><\/p>\n<ul>\n<li><strong>\u6574\u6570\uff1a<\/strong> \u7528\u4e8e\u8868\u793a\u6574\u6570\uff0c\u4f8b\u5982\u8ba1\u6570\u5668\u3001\u5faa\u73af\u53d8\u91cf\u548c\u6570\u7ec4\u7d22\u5f15\u3002<\/li>\n<li><strong>\u6d6e\u70b9\u6570\uff1a<\/strong> \u7528\u4e8e\u8868\u793a\u6709\u5c0f\u6570\u4f4d\u7684\u6570\u503c\uff0c\u4f8b\u5982\u91d1\u989d\u3001\u5e73\u5747\u503c\u548c\u79d1\u5b66\u8ba1\u7b97\u3002<\/li>\n<li><strong>\u5b57\u7b26\u4e32\uff1a<\/strong> \u7528\u4e8e\u8868\u793a\u6587\u672c\u6570\u636e\uff0c\u4f8b\u5982\u59d3\u540d\u3001\u5730\u5740\u548c HTML \u4ee3\u7801\u3002<\/li>\n<li><strong>\u5e03\u5c14\u503c\uff1a<\/strong> \u7528\u4e8e\u8868\u793a\u771f\u5047\u72b6\u6001\uff0c\u4f8b\u5982\u6761\u4ef6\u8bed\u53e5\u3001\u903b\u8f91\u8fd0\u7b97\u548c\u9519\u8bef\u68c0\u67e5\u3002<\/li>\n<li><strong>\u6570\u7ec4\uff1a<\/strong> \u7528\u4e8e\u5b58\u50a8\u76f8\u5173\u6570\u636e\u9879\u7684\u96c6\u5408\uff0c\u4f8b\u5982\u7528\u6237\u4fe1\u606f\u3001\u8d2d\u7269\u8f66\u5185\u5bb9\u548c\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u3002<\/li>\n<li><strong>\u5bf9\u8c61\uff1a<\/strong> \u7528\u4e8e\u8868\u793a\u5177\u6709\u72b6\u6001\u548c\u884c\u4e3a\u7684\u590d\u6742\u5b9e\u4f53\uff0c\u4f8b\u5982\u7528\u6237\u3001\u4ea7\u54c1\u548c\u94f6\u884c\u8d26\u6237\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u8ba1\u7b97\u7528\u6237\u5e74\u9f84<\/strong><\/p>\n<pre>&lt;?php\n$birthYear = 1980;\n$currentYear = 2023;\n\n\/\/ \u8ba1\u7b97\u5e74\u9f84\n$age = $currentYear - $birthYear;\n\n\/\/ \u8f93\u51fa\u7ed3\u679c\necho \"\u7528\u6237\u7684\u5e74\u9f84\u662f\uff1a\" . $age;\n?&gt;<\/pre>\n<p>\u5728\u8fd9\u4e2a\u6848\u4f8b\u4e2d\uff0c<code>$birthYear<\/code> \u548c <code>$currentYear<\/code> \u53d8\u91cf\u662f\u6574\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u7528\u6237\u7684\u5e74\u9f84\uff0c\u5b58\u50a8\u5728\u6574\u6570\u53d8\u91cf <code>$age<\/code> \u4e2d\u3002<\/p>\n<p><strong>\u5b58\u50a8\u7528\u6237\u5730\u5740<\/strong><\/p>\n<pre>&lt;?php\n$address = [\n  'street' =&gt; 'Main Street',\n  'city' =&gt; 'New York',\n  'state' =&gt; 'NY',\n  'zip' =&gt; '10001',\n];\n\n\/\/ \u8bbf\u95ee\u8857\u9053\u5730\u5740\necho \"\u8857\u9053\u5730\u5740\uff1a\" . $address['street'];\n?&gt;<\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c<code>$address<\/code> \u53d8\u91cf\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u7528\u6237\u5730\u5740\u7684\u5404\u4e2a\u90e8\u5206\u3002\u6570\u7ec4\u952e\u662f\u5b57\u7b26\u4e32\uff0c\u800c\u503c\u53ef\u4ee5\u662f\u5404\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u3001\u6574\u6570\u6216\u6570\u7ec4\u3002<\/p>\n<p><strong>\u8868\u793a\u7528\u6237\u4fe1\u606f<\/strong><\/p>\n<pre>&lt;?php\nclass User {\n  private $name;\n  private $email;\n  private $age;\n\n  public function __construct($name, $email, $age) {\n    $this-&gt;name = $name;\n    $this-&gt;email = $email;\n    $this-&gt;age = $age;\n  }\n\n  public function getName() {\n    return $this-&gt;name;\n  }\n}\n\n\/\/ \u521b\u5efa\u7528\u6237\u5bf9\u8c61\n$user = new User('John Doe', 'john@example.com', 30);\n\n\/\/ \u83b7\u53d6\u7528\u6237\u59d3\u540d\necho \"\u7528\u6237\u540d\uff1a\" . $user-&gt;getName();\n?&gt;<\/pre>\n<p>\u5728\u8fd9\u4e2a\u5bf9\u8c61\u4e2d\uff0c<code>$user<\/code> \u53d8\u91cf\u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5bf9\u8c61\uff0c\u8868\u793a\u7528\u6237\u4fe1\u606f\u3002\u5bf9\u8c61\u5177\u6709\u79c1\u6709\u5c5e\u6027\uff0c\u4f8b\u5982\u59d3\u540d\u3001\u7535\u5b50\u90ae\u4ef6\u548c\u5e74\u9f84\uff0c\u4ee5\u53ca\u516c\u5f00\u65b9\u6cd5\uff0c\u4f8b\u5982 <code>getName<\/code>\uff0c\u7528\u4e8e\u8bbf\u95ee\u8fd9\u4e9b\u5c5e\u6027\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u7684\u7528\u9014\u662f\u4ec0\u4e48\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\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u7528\u9014,\u53d8\u91cf\u7c7b\u578b\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u53d8\u91cf\u7c7b&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202478","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202478"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202478\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}