{"id":47343,"date":"2024-12-02T17:40:20","date_gmt":"2024-12-02T09:40:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47343\/"},"modified":"2024-12-02T17:40:20","modified_gmt":"2024-12-02T09:40:20","slug":"php-%e4%b8%ad%e5%87%bd%e6%95%b0%e9%97%ad%e5%8c%85%ef%bc%9a%e6%8f%ad%e7%a7%98%e5%85%b6%e5%8a%9b%e9%87%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47343\/","title":{"rendered":"PHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u7c73\u4e91\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729911983671c5caf7f5a0.jpg\" class=\"aligncenter\" title=\"PHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf\u63d2\u56fe\" alt=\"PHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf<\/strong><\/p>\n<p><strong>\u4ec0\u4e48\u662f\u51fd\u6570\u95ed\u5305\uff1f<\/strong><\/p>\n<p>\u51fd\u6570\u95ed\u5305\u662f\u4e00\u79cd\u5185\u90e8\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u5728\u5305\u542b\u5b83\u7684\u5916\u90e8\u51fd\u6570\u4e4b\u5916\u8bbf\u95ee\u5916\u90e8\u51fd\u6570\u7684\u53d8\u91cf\u3002\u8fd9\u4f7f\u95ed\u5305\u80fd\u591f\u8bb0\u4f4f\u5e76\u8bbf\u95ee\u5176\u521b\u5efa\u65f6\u5b58\u5728\u7684\u5916\u56f4\u73af\u5883\uff0c\u5373\u4f7f\u5916\u90e8\u51fd\u6570\u5df2\u7ecf\u8fd4\u56de\u3002<\/p>\n<p><strong>\u4e3a\u4f55\u4f7f\u7528\u51fd\u6570\u95ed\u5305\uff1f<\/strong><\/p>\n<p>\u51fd\u6570\u95ed\u5305\u6709\u5f88\u591a\u7528\u9014\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5ef6\u8fdf\u6267\u884c\uff1a<\/strong>\u5c06\u95ed\u5305\u5b58\u50a8\u4e3a\u53d8\u91cf\uff0c\u53ef\u4ee5\u5728\u4ee5\u540e\u8c03\u7528\uff0c\u4f20\u9012\u4e0d\u540c\u7684\u53c2\u6570\u3002<\/li>\n<li><strong>\u72b6\u6001\u4fdd\u6301\uff1a<\/strong>\u95ed\u5305\u53ef\u4ee5\u8bb0\u4f4f\u5176\u521b\u5efa\u65f6\u7684\u53d8\u91cf\u503c\uff0c\u4f7f\u5176\u6210\u4e3a\u5b58\u50a8\u72b6\u6001\u7684\u7406\u60f3\u9009\u62e9\u3002<\/li>\n<li><strong>\u9e2d\u5b50\u7c7b\u578b\uff1a<\/strong>\u95ed\u5305\u53ef\u4ee5\u4f5c\u4e3a\u56de\u8c03\u6216\u63a5\u53e3\u5b9e\u73b0\u6765\u4f7f\u7528\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u7684\u7c7b\u6216\u63a5\u53e3\u5b9a\u4e49\u3002<\/li>\n<\/ul>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u521b\u5efa\u95ed\u5305\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>$closure = function ($parameter) use ($variable) {\n    \/\/ \u95ed\u5305\u4ee3\u7801 ...\n};<\/pre>\n<ul>\n<li><code>$closure<\/code> \u662f\u5b58\u50a8\u95ed\u5305\u7684\u53d8\u91cf\u3002<\/li>\n<li><code>function<\/code> \u5173\u952e\u5b57\u5b9a\u4e49\u95ed\u5305\u3002<\/li>\n<li><code>($parameter)<\/code> \u662f\u95ed\u5305\u7684\u53c2\u6570\u5217\u8868\u3002<\/li>\n<li><code>use ($variable)<\/code> \u58f0\u660e\u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u793a\u4f8b 1\uff1a\u5ef6\u8fdf\u6267\u884c<\/strong><\/p>\n<pre>$delayedFunction = function ($input) {\n    echo \"Hello, $input!\";\n};\n\n\/\/ \u7a0d\u540e\u8c03\u7528\u95ed\u5305\n$delayedFunction(\"World\"); \/\/ \u8f93\u51fa\uff1aHello, World!<\/pre>\n<p><strong>\u793a\u4f8b 2\uff1a\u72b6\u6001\u4fdd\u6301<\/strong><\/p>\n<pre>$counter = 0;\n\n$incrementCounter = function () use (&amp;$counter) {\n    $counter++;\n};\n\n$incrementCounter();\necho $counter; \/\/ \u8f93\u51fa\uff1a1<\/pre>\n<p><strong>\u793a\u4f8b 3\uff1a\u9e2d\u5b50\u7c7b\u578b<\/strong><\/p>\n<pre>$callback = function ($result) {\n    echo \"Callback received: $result\";\n};\n\n$callback(\"Success\"); \/\/ \u8f93\u51fa\uff1aCallback received: Success<\/pre>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>\u95ed\u5305\u4f1a\u6355\u83b7\u5bf9\u5916\u90e8\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u56e0\u6b64\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<li>\u95ed\u5305\u53ea\u80fd\u8bbf\u95ee\u521b\u5efa\u65f6\u5b58\u5728\u7684\u53d8\u91cf\uff0c\u800c\u4e0d\u662f\u4e4b\u540e\u521b\u5efa\u7684\u53d8\u91cf\u3002<\/li>\n<\/ul>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u300aPHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf\u300b\u4e3b\u8981\u8bb2\u89e3\u4e86\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u7c73\u4e91\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01 PHP \u4e2d\u51fd\u6570\u95ed\u5305\uff1a\u63ed\u79d8\u5176\u529b\u91cf \u4ec0\u4e48\u662f\u51fd\u6570\u95ed\u5305\uff1f \u51fd\u6570\u95ed\u5305\u662f\u4e00\u79cd\u5185\u90e8\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u5728\u5305\u542b\u5b83\u7684\u5916\u90e8\u51fd\u6570\u4e4b\u5916\u8bbf\u95ee\u5916\u90e8\u51fd\u6570\u7684\u53d8\u91cf\u3002\u8fd9\u4f7f\u95ed\u5305\u80fd\u591f\u8bb0\u4f4f\u5e76\u8bbf\u95ee\u5176\u521b\u5efa\u65f6\u5b58\u5728\u7684\u5916\u56f4\u73af\u5883\uff0c\u5373\u4f7f\u5916\u90e8\u51fd\u6570\u5df2\u7ecf\u8fd4\u56de\u3002 \u4e3a\u4f55\u4f7f\u7528\u51fd\u6570\u95ed\u5305\uff1f \u51fd\u6570\u95ed\u5305\u6709\u5f88\u591a\u7528\u9014\uff0c\u5305\u62ec\uff1a \u5ef6\u8fdf\u6267\u884c\uff1a\u5c06\u95ed\u5305\u5b58\u50a8\u4e3a\u53d8\u91cf\uff0c\u53ef\u4ee5\u5728\u4ee5\u540e\u8c03\u7528\uff0c\u4f20\u9012\u4e0d\u540c\u7684\u53c2\u6570\u3002 \u72b6\u6001\u4fdd\u6301\uff1a\u95ed\u5305\u53ef\u4ee5\u8bb0\u4f4f\u5176\u521b\u5efa\u65f6\u7684\u53d8\u91cf\u503c\uff0c\u4f7f\u5176\u6210\u4e3a\u5b58\u50a8\u72b6\u6001\u7684\u7406\u60f3\u9009\u62e9\u3002 \u9e2d\u5b50\u7c7b\u578b\uff1a\u95ed\u5305\u53ef\u4ee5\u4f5c\u4e3a\u56de\u8c03\u6216\u63a5\u53e3\u5b9e\u73b0\u6765\u4f7f\u7528\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u7684\u7c7b\u6216\u63a5\u53e3\u5b9a\u4e49\u3002 \u8bed\u6cd5 \u521b\u5efa\u95ed\u5305\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a $closure = function ($parameter) use ($variable) { \/\/ \u95ed\u5305\u4ee3\u7801 &#8230; }; $closure \u662f\u5b58\u50a8\u95ed\u5305\u7684\u53d8\u91cf\u3002 function \u5173\u952e\u5b57\u5b9a\u4e49\u95ed\u5305\u3002 ($parameter) \u662f\u95ed\u5305\u7684\u53c2\u6570\u5217\u8868\u3002 use ($variable) \u58f0\u660e\u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\u3002 \u5b9e\u6218\u6848\u4f8b \u793a\u4f8b 1\uff1a\u5ef6\u8fdf\u6267\u884c $delayedFunction = function ($input) { echo &#8220;Hello, $input!&#8221;; }; \/\/ \u7a0d\u540e\u8c03\u7528\u95ed\u5305 $delayedFunction(&#8220;World&#8221;); \/\/ \u8f93\u51fa\uff1aHello, World! \u793a\u4f8b 2\uff1a\u72b6\u6001\u4fdd\u6301 [&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-47343","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47343","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=47343"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47343\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}