{"id":1266,"date":"2026-01-06T16:41:36","date_gmt":"2026-01-06T08:41:36","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=1266"},"modified":"2026-01-06T16:41:36","modified_gmt":"2026-01-06T08:41:36","slug":"php%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96%e5%86%97%e4%bd%99%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2026\/01\/06\/php%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96%e5%86%97%e4%bd%99%e4%bb%a3%e7%a0%81\/","title":{"rendered":"PHP\u5982\u4f55\u4f18\u5316\u5197\u4f59\u4ee3\u7801"},"content":{"rendered":"\n<p>\u597d\u7684\uff0c\u963f\u82e5\u8431\uff0c\u8fd9\u91cc\u7ed9\u4f60\u6574\u7406\u4e00\u4efd <strong>PHP \u4f18\u5316\u5197\u4f59\u4ee3\u7801\u7684\u5b8c\u6574\u6307\u5357<\/strong>\uff0c\u4ece <strong>\u5206\u6790 \u2192 \u91cd\u6784 \u2192 \u8bbe\u8ba1\u6a21\u5f0f \u2192 \u5de5\u5177 \u2192 \u6846\u67b6\u5b9e\u8df5<\/strong>\uff0c\u53ef\u4ee5\u76f4\u63a5\u843d\u5730\uff0c\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e00\u3001\u4ec0\u4e48\u662f\u5197\u4f59\u4ee3\u7801\uff1f<\/h1>\n\n\n\n<p>\u5197\u4f59\u4ee3\u7801\u901a\u5e38\u6307\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u91cd\u590d\u903b\u8f91<\/strong><code>echo \"Hello \" . $name; echo \"Hello \" . $username;<\/code><\/li>\n\n\n\n<li><strong>\u91cd\u590d\u51fd\u6570\u6216\u6761\u4ef6\u5224\u65ad<\/strong><code>if ($user->role == 'admin') { ... } if ($user->role == 'super') { ... }<\/code><\/li>\n\n\n\n<li><strong>\u4e0d\u5fc5\u8981\u7684\u4e34\u65f6\u53d8\u91cf<\/strong><code>$temp = $value; return $temp;<\/code><\/li>\n\n\n\n<li><strong>\u8fc7\u957f\u65b9\u6cd5\/\u7c7b<\/strong>\uff0c\u804c\u8d23\u4e0d\u6e05\u6670<\/li>\n<\/ol>\n\n\n\n<p>\u2705 \u5197\u4f59\u4ee3\u7801\u4f1a\u5bfc\u81f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ef4\u62a4\u6210\u672c\u9ad8<\/li>\n\n\n\n<li>\u5bb9\u6613\u51fa\u9519<\/li>\n\n\n\n<li>\u6027\u80fd\u6d6a\u8d39<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e8c\u3001\u5206\u6790\u5197\u4f59\u4ee3\u7801\u7684\u65b9\u6cd5<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u624b\u52a8\u9605\u8bfb + \u6bd4\u5bf9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u627e\u91cd\u590d\u7684 if\/else\u3001\u5faa\u73af\u3001SQL \u67e5\u8be2\u3001\u6587\u4ef6\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9759\u6001\u5206\u6790\u5de5\u5177<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>PHP_CodeSniffer<\/strong>\uff08\u4ee3\u7801\u98ce\u683c + \u91cd\u590d\u68c0\u6d4b\uff09<\/li>\n\n\n\n<li><strong>PHPMD<\/strong>\uff08\u6f5c\u5728\u95ee\u9898 + \u5197\u4f59\u68c0\u6d4b\uff09<\/li>\n\n\n\n<li><strong>PHPStan \/ Psalm<\/strong>\uff08\u7c7b\u578b\u548c\u91cd\u590d\u903b\u8f91\u5206\u6790\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u65e5\u5fd7 \/ \u8c03\u8bd5\u5206\u6790<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u53d1\u73b0\u91cd\u590d SQL \u67e5\u8be2\u3001\u91cd\u590d\u5faa\u73af<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e09\u3001\u91cd\u6784\u65b9\u6cd5<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 \u63d0\u53d6\u51fd\u6570 \/ \u65b9\u6cd5<\/h3>\n\n\n\n<p><strong>Before\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\necho &quot;Hello &quot; . $name;\necho &quot;Hello &quot; . $username;\n\n<\/pre><\/div>\n\n\n<p><strong>After\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nfunction greet($user) {\n    echo &quot;Hello &quot; . $user;\n}\n\ngreet($name);\ngreet($username);\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 \u63d0\u53d6\u7c7b \/ \u5c01\u88c5\u7ec4\u4ef6<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u91cd\u590d\u4e1a\u52a1\u903b\u8f91\u5c01\u88c5\u6210\u7c7b<\/li>\n\n\n\n<li>\u6bd4\u5982\uff1a\u65e5\u5fd7\u3001\u90ae\u4ef6\u3001\u6587\u4ef6\u5904\u7406<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nclass Logger {\n    public static function info($msg) {\n        file_put_contents(&#039;log.txt&#039;, $msg . PHP_EOL, FILE_APPEND);\n    }\n}\nLogger::info(&#039;\u7528\u6237\u767b\u5f55&#039;);\nLogger::info(&#039;\u7528\u6237\u767b\u51fa&#039;);\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3\ufe0f\u20e3 \u4f7f\u7528\u6570\u7ec4 \/ \u5faa\u73af\u66ff\u4ee3\u91cd\u590d\u6761\u4ef6<\/h3>\n\n\n\n<p><strong>Before\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nif ($role == &#039;admin&#039;) { ... }\nif ($role == &#039;editor&#039;) { ... }\nif ($role == &#039;user&#039;) { ... }\n\n<\/pre><\/div>\n\n\n<p><strong>After\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$roleActions = &#x5B;\n    &#039;admin&#039; =&gt; &#039;doAdmin&#039;,\n    &#039;editor&#039; =&gt; &#039;doEditor&#039;,\n    &#039;user&#039; =&gt; &#039;doUser&#039;\n];\n\nif (isset($roleActions&#x5B;$role])) {\n    $roleActions&#x5B;$role]();\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4\ufe0f\u20e3 \u7edf\u4e00\u5e38\u91cf \/ \u914d\u7f6e<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u907f\u514d\u786c\u7f16\u7801\u91cd\u590d\u503c<\/li>\n\n\n\n<li>\u7528 <code>define()<\/code>\u3001<code>const<\/code> \u6216\u914d\u7f6e\u6587\u4ef6<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nconst STATUS_ACTIVE = 1;\nconst STATUS_INACTIVE = 0;\n\nif ($user-&gt;status === STATUS_ACTIVE) { ... }\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5\ufe0f\u20e3 \u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a21\u5f0f<\/th><th>\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td><strong>Singleton<\/strong><\/td><td>\u907f\u514d\u91cd\u590d\u521b\u5efa\u5b9e\u4f8b\uff08\u6570\u636e\u5e93\u8fde\u63a5\u3001\u65e5\u5fd7\uff09<\/td><\/tr><tr><td><strong>Factory<\/strong><\/td><td>\u52a8\u6001\u521b\u5efa\u5bf9\u8c61\uff0c\u51cf\u5c11\u91cd\u590d\u6761\u4ef6<\/td><\/tr><tr><td><strong>Strategy<\/strong><\/td><td>\u66ff\u4ee3\u590d\u6742 if\/else \u903b\u8f91<\/td><\/tr><tr><td><strong>Template<\/strong><\/td><td>\u63d0\u53d6\u91cd\u590d\u6a21\u677f\u65b9\u6cd5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u56db\u3001\u5b9e\u6218\u4f18\u5316\u793a\u4f8b<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 \u91cd\u590d SQL \u67e5\u8be2<\/h3>\n\n\n\n<p><strong>Before\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$user = $db-&gt;query(&quot;SELECT * FROM users WHERE id = $id&quot;);\n$posts = $db-&gt;query(&quot;SELECT * FROM posts WHERE user_id = $id&quot;);\n$comments = $db-&gt;query(&quot;SELECT * FROM comments WHERE user_id = $id&quot;);\n\n<\/pre><\/div>\n\n\n<p><strong>After\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nfunction getUserData($id, $db) {\n    return &#x5B;\n        &#039;user&#039; =&gt; $db-&gt;query(&quot;SELECT * FROM users WHERE id = $id&quot;),\n        &#039;posts&#039; =&gt; $db-&gt;query(&quot;SELECT * FROM posts WHERE user_id = $id&quot;),\n        &#039;comments&#039; =&gt; $db-&gt;query(&quot;SELECT * FROM comments WHERE user_id = $id&quot;),\n    ];\n}\n$data = getUserData($id, $db);\n\n<\/pre><\/div>\n\n\n<p>\u2705 \u4f18\u70b9\uff1a\u51cf\u5c11\u91cd\u590d\u8c03\u7528\u51fd\u6570\uff0c\u7edf\u4e00\u5904\u7406\u903b\u8f91<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 \u63a7\u5236\u5668\u91cd\u590d\u903b\u8f91\uff08ThinkPHP \/ Laravel\uff09<\/h3>\n\n\n\n<p><strong>Before\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\npublic function addUser() {\n    $user = new User();\n    $user-&gt;name = $_POST&#x5B;&#039;name&#039;];\n    $user-&gt;email = $_POST&#x5B;&#039;email&#039;];\n    $user-&gt;save();\n}\npublic function updateUser() {\n    $user = User::find($_POST&#x5B;&#039;id&#039;]);\n    $user-&gt;name = $_POST&#x5B;&#039;name&#039;];\n    $user-&gt;email = $_POST&#x5B;&#039;email&#039;];\n    $user-&gt;save();\n}\n\n<\/pre><\/div>\n\n\n<p><strong>After\uff1a<\/strong><\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nprivate function saveUser($data, $id = null) {\n    $user = $id ? User::find($id) : new User();\n    $user-&gt;fill($data);\n    $user-&gt;save();\n    return $user;\n}\n\npublic function addUser() {\n    $this-&gt;saveUser($_POST);\n}\n\npublic function updateUser() {\n    $this-&gt;saveUser($_POST, $_POST&#x5B;&#039;id&#039;]);\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e94\u3001\u5de5\u5177\u548c\u65b9\u6cd5\u63a8\u8350<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9759\u6001\u5206\u6790 + \u91cd\u6784\u5de5\u5177<\/strong>\n<ul class=\"wp-block-list\">\n<li>PHPStorm \u81ea\u52a8\u68c0\u6d4b\u91cd\u590d\u4ee3\u7801<\/li>\n\n\n\n<li>PHPMD \/ PHP_CodeSniffer<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5355\u5143\u6d4b\u8bd5\u8986\u76d6\u903b\u8f91<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u51cf\u5c11\u91cd\u6784\u540e\u5f15\u5165\u65b0 bug<\/li>\n\n\n\n<li>PHPUnit<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Composer \u5305\u590d\u7528<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u907f\u514d\u91cd\u590d\u5199\u51fd\u6570<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1aCarbon\uff08\u65e5\u671f\uff09\u3001Guzzle\uff08HTTP\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u516d\u3001\u603b\u7ed3\u4f18\u5316\u539f\u5219<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DRY \u539f\u5219<\/strong>\uff08Don&#8217;t Repeat Yourself\uff09<\/li>\n\n\n\n<li><strong>\u5355\u4e00\u804c\u8d23\u539f\u5219<\/strong>\uff08\u6bcf\u4e2a\u51fd\u6570\u53ea\u505a\u4e00\u4ef6\u4e8b\uff09<\/li>\n\n\n\n<li><strong>\u62bd\u8c61\u590d\u7528<\/strong>\uff08\u51fd\u6570 \/ \u7c7b \/ \u7ec4\u4ef6\uff09<\/li>\n\n\n\n<li><strong>\u914d\u7f6e\u5316\u66ff\u4ee3\u786c\u7f16\u7801<\/strong><\/li>\n\n\n\n<li><strong>\u7528\u6846\u67b6 \/ \u8bbe\u8ba1\u6a21\u5f0f\u51cf\u5c11\u91cd\u590d\u903b\u8f91<\/strong><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u597d\u7684\uff0c\u963f\u82e5\u8431\uff0c\u8fd9\u91cc\u7ed9\u4f60\u6574\u7406\u4e00\u4efd PHP \u4f18\u5316\u5197\u4f59\u4ee3\u7801\u7684\u5b8c\u6574\u6307\u5357\uff0c\u4ece \u5206\u6790 \u2192 \u91cd&#8230; <a class=\"more-link\" href=\"https:\/\/www.52runoob.com\/index.php\/2026\/01\/06\/php%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96%e5%86%97%e4%bd%99%e4%bb%a3%e7%a0%81\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1266","post","type-post","status-publish","format-standard","hentry","category-php"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/comments?post=1266"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1266\/revisions"}],"predecessor-version":[{"id":1267,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1266\/revisions\/1267"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=1266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=1266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=1266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}