{"id":1252,"date":"2026-01-06T16:02:33","date_gmt":"2026-01-06T08:02:33","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=1252"},"modified":"2026-01-06T16:02:33","modified_gmt":"2026-01-06T08:02:33","slug":"php%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%8f%8d%e5%b0%84%e8%8e%b7%e5%8f%96%e7%b1%bb%e7%9a%84%e6%89%80%e6%9c%89%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2026\/01\/06\/php%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%8f%8d%e5%b0%84%e8%8e%b7%e5%8f%96%e7%b1%bb%e7%9a%84%e6%89%80%e6%9c%89%e6%96%b9%e6%b3%95\/","title":{"rendered":"PHP\u4e2d\u4f7f\u7528\u53cd\u5c04\u83b7\u53d6\u7c7b\u7684\u6240\u6709\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u4efd<strong>\u6e05\u6670 + \u53ef\u76f4\u63a5\u4f7f\u7528<\/strong>\u7684\u8bb2\u89e3\uff0c\u5b8c\u6574\u8bf4\u660e<br>\ud83d\udc49 <strong>PHP \u4e2d\u5982\u4f55\u4f7f\u7528\u53cd\u5c04\u83b7\u53d6\u7c7b\u7684\u6240\u6709\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u4ec0\u4e48\u662f PHP \u53cd\u5c04\uff08Reflection\uff09\uff1f<\/h2>\n\n\n\n<p><strong>\u53cd\u5c04<\/strong>\u5141\u8bb8\u4f60\u5728<strong>\u8fd0\u884c\u65f6\u68c0\u67e5\u7c7b\u3001\u65b9\u6cd5\u3001\u5c5e\u6027\u3001\u53c2\u6570\u7b49\u7ed3\u6784\u4fe1\u606f<\/strong>\uff0c\u800c\u4e0d\u9700\u8981\u63d0\u524d\u5199\u6b7b\u3002<\/p>\n\n\n\n<p>\u5e38\u89c1\u7528\u9014\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6846\u67b6\u81ea\u52a8\u6ce8\u5165\uff08Laravel \/ Hyperf\uff09<\/li>\n\n\n\n<li>\u6ce8\u89e3 \/ Attribute \u89e3\u6790<\/li>\n\n\n\n<li>AOP\uff08\u5207\u9762\uff09<\/li>\n\n\n\n<li>\u81ea\u52a8\u8def\u7531\u3001\u81ea\u52a8\u6587\u6863<\/li>\n\n\n\n<li>\u5355\u5143\u6d4b\u8bd5\u3001Mock<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6700\u57fa\u7840\uff1a\u83b7\u53d6\u4e00\u4e2a\u7c7b\u7684\u6240\u6709\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b 1\uff1a\u83b7\u53d6\u5168\u90e8\u65b9\u6cd5\uff08\u5305\u542b\u7236\u7c7b\uff09<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nclass Demo {\n    public function foo() {}\n    protected function bar() {}\n    private function baz() {}\n}\n\n$ref = new ReflectionClass(Demo::class);\n$methods = $ref-&gt;getMethods();\n\nforeach ($methods as $method) {\n    echo $method-&gt;getName() . PHP_EOL;\n}\n\n<\/pre><\/div>\n\n\n<p>\ud83d\udccc <strong>\u7ed3\u679c\u5305\u542b<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>public \/ protected \/ private<\/li>\n\n\n\n<li>\u7236\u7c7b\u65b9\u6cd5<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u6309\u53ef\u89c1\u6027\u7b5b\u9009\u65b9\u6cd5\uff08\u6700\u5e38\u7528\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u53ea\u83b7\u53d6 public \u65b9\u6cd5<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$methods = $ref-&gt;getMethods(ReflectionMethod::IS_PUBLIC);\n\nforeach ($methods as $method) {\n    echo $method-&gt;getName();\n}\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7ec4\u5408\u7b5b\u9009\uff08public + protected\uff09<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$methods = $ref-&gt;getMethods(\n    ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED\n);\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u53ea\u83b7\u53d6\u201c\u5f53\u524d\u7c7b\u201d\u5b9a\u4e49\u7684\u65b9\u6cd5\uff08\u6392\u9664\u7236\u7c7b\uff09<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$methods = array_filter(\n    $ref-&gt;getMethods(),\n    fn($m) =&gt; $m-&gt;getDeclaringClass()-&gt;getName() === Demo::class\n);\n\nforeach ($methods as $method) {\n    echo $method-&gt;getName() . PHP_EOL;\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u83b7\u53d6\u65b9\u6cd5\u7684\u8be6\u7ec6\u4fe1\u606f\uff08\u8fdb\u9636\uff09<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nforeach ($ref-&gt;getMethods() as $method) {\n    echo &quot;\u65b9\u6cd5\u540d: &quot; . $method-&gt;getName() . PHP_EOL;\n    echo &quot;\u662f\u5426 public: &quot; . $method-&gt;isPublic() . PHP_EOL;\n    echo &quot;\u662f\u5426 static: &quot; . $method-&gt;isStatic() . PHP_EOL;\n    echo &quot;\u53c2\u6570\u6570\u91cf: &quot; . $method-&gt;getNumberOfParameters() . PHP_EOL;\n    echo &quot;\u58f0\u660e\u7c7b: &quot; . $method-&gt;getDeclaringClass()-&gt;getName() . PHP_EOL;\n    echo &quot;----------------&quot; . PHP_EOL;\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u83b7\u53d6\u65b9\u6cd5\u53c2\u6570\u4fe1\u606f<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$method = $ref-&gt;getMethod(&#039;foo&#039;);\n\nforeach ($method-&gt;getParameters() as $param) {\n    echo $param-&gt;getName();\n\n    if ($param-&gt;hasType()) {\n        echo &#039; : &#039; . $param-&gt;getType();\n    }\n\n    if ($param-&gt;isOptional()) {\n        echo &#039; = &#039; . $param-&gt;getDefaultValue();\n    }\n\n    echo PHP_EOL;\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u83b7\u53d6\u6ce8\u89e3 \/ Attribute\uff08PHP 8+\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b\uff1aAttribute \u5b9a\u4e49<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n#&#x5B;Attribute]\nclass Route {\n    public function __construct(public string $path) {}\n}\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u53cd\u5c04\u8bfb\u53d6<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nclass Controller {\n    #&#x5B;Route(&#039;\/user&#039;)]\n    public function index() {}\n}\n\n$method = (new ReflectionClass(Controller::class))\n            -&gt;getMethod(&#039;index&#039;);\n\n$attrs = $method-&gt;getAttributes(Route::class);\n\nforeach ($attrs as $attr) {\n    $instance = $attr-&gt;newInstance();\n    echo $instance-&gt;path;\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u5b9e\u6218\u573a\u666f\u793a\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 \u81ea\u52a8\u8def\u7531\u626b\u63cf<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$controller = new ReflectionClass(UserController::class);\n\nforeach ($controller-&gt;getMethods(ReflectionMethod::IS_PUBLIC) as $method) {\n    if (! $method-&gt;isConstructor()) {\n        echo &quot;\u6ce8\u518c\u8def\u7531: &quot; . $method-&gt;getName();\n    }\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 \u626b\u63cf\u53ef\u8c03\u7528 API<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n$methods = array_filter(\n    $ref-&gt;getMethods(ReflectionMethod::IS_PUBLIC),\n    fn($m) =&gt; !str_starts_with($m-&gt;getName(), &#039;__&#039;)\n);\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e5d\u3001\u5e38\u89c1\u5751\u70b9\uff08\u4e00\u5b9a\u8981\u770b\uff09<\/h2>\n\n\n\n<p>\u274c <code>getMethods()<\/code> \u9ed8\u8ba4\u5305\u542b\u7236\u7c7b<br>\u274c private \u65b9\u6cd5\u9ed8\u8ba4\u4e5f\u4f1a\u8fd4\u56de<br>\u274c \u53cd\u5c04\u6bd4\u666e\u901a\u8c03\u7528\u6162\uff08\u4f46\u6846\u67b6\u90fd\u4f1a\u7f13\u5b58\uff09<br>\u274c \u533f\u540d\u7c7b \/ Trait \u884c\u4e3a\u4e0d\u540c<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u3001\u5feb\u901f\u5bf9\u7167\u8868<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9700\u6c42<\/th><th>\u65b9\u6cd5<\/th><\/tr><\/thead><tbody><tr><td>\u6240\u6709\u65b9\u6cd5<\/td><td><code>getMethods()<\/code><\/td><\/tr><tr><td>public \u65b9\u6cd5<\/td><td><code>IS_PUBLIC<\/code><\/td><\/tr><tr><td>\u5f53\u524d\u7c7b\u65b9\u6cd5<\/td><td><code>getDeclaringClass()<\/code><\/td><\/tr><tr><td>\u53c2\u6570\u4fe1\u606f<\/td><td><code>getParameters()<\/code><\/td><\/tr><tr><td>\u6ce8\u89e3<\/td><td><code>getAttributes()<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u4e00\u3001\u4e00\u53e5\u8bdd\u603b\u7ed3<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Reflection \u662f PHP \u6846\u67b6\u7684\u201c\u663e\u5fae\u955c\u201d\uff0c\u80fd\u8ba9\u4ee3\u7801\u5728\u8fd0\u884c\u65f6\u770b\u89c1\u81ea\u5df1<\/strong><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u7ed9\u4f60\u4e00\u4efd\u6e05\u6670 + \u53ef\u76f4\u63a5\u4f7f\u7528\u7684\u8bb2\u89e3\uff0c\u5b8c\u6574\u8bf4\u660e\ud83d\udc49 PHP \u4e2d\u5982\u4f55\u4f7f\u7528\u53cd\u5c04\u83b7\u53d6\u7c7b&#8230; <a class=\"more-link\" href=\"https:\/\/www.52runoob.com\/index.php\/2026\/01\/06\/php%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%8f%8d%e5%b0%84%e8%8e%b7%e5%8f%96%e7%b1%bb%e7%9a%84%e6%89%80%e6%9c%89%e6%96%b9%e6%b3%95\/\">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-1252","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\/1252","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=1252"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1252\/revisions"}],"predecessor-version":[{"id":1253,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/1252\/revisions\/1253"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=1252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=1252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=1252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}