{"id":30363,"date":"2023-02-24T11:26:39","date_gmt":"2023-09-20T01:44:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e9%97%ad%e5%8c%85\/"},"modified":"2025-08-12T18:49:08","modified_gmt":"2025-08-12T10:49:08","slug":"php%e9%97%ad%e5%8c%85","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e9%97%ad%e5%8c%85\/","title":{"rendered":"PHP\u95ed\u5305"},"content":{"rendered":"<p>\u6700\u8fd1\u6211\u4e86\u89e3\u5230\uff0cPHP\u53ef\u4ee5\u5c06\u51fd\u6570\u8d4b\u7ed9\u53d8\u91cf\u3002<br \/>\n\u53ef\u4ee5\u50cf\u8fd9\u6837\u4f7f\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$func<\/span> <span class=\"o\">=<\/span> <span class=\"k\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"s1\">'hello'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">};<\/span> <span class=\"c1\">\/\/ \u5909\u6570\u306e\u53f3\u8fba\u306a\u306e\u3067\u3001\u300c;\u300d\u304c\u5fc5\u8981\u3063\u307d\u3044<\/span>\r\n\r\n<span class=\"nv\">$func<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ hello<\/span>\r\n<\/code><\/pre>\n<p>\u54e6\uff0c\u6211\u60f3\u5230\u4e86\u4e00\u4e2a\u53ef\u80fd\u7684\u60f3\u6cd5\uff0c\u5c31\u662f\u662f\u5426\u53ef\u4ee5\u5728\u4e2d\u6587\u4e2d\u5b9e\u73b0\u7c7b\u4f3cJavaScript\u4e2d\u7684\u95ed\u5305&#8230;<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$func<\/span> <span class=\"o\">=<\/span> <span class=\"k\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nv\">$x<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">function<\/span><span class=\"p\">()<\/span> <span class=\"k\">use<\/span><span class=\"p\">(<\/span><span class=\"nv\">$x<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"o\">++<\/span><span class=\"nv\">$x<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">};<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nv\">$func2<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$func<\/span><span class=\"p\">();<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$func2<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ 1<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$func2<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ 2\u304b\u3068\u601d\u3044\u304d\u3084\u30011<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$func2<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ 3\u304b\u3068\u601d\u3044\u304d\u3084\u30011<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$func2<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ 4\u304b\u3068\u601d\u3044\u304d\u3084\u30011<\/span>\r\n<\/code><\/pre>\n<p>\u54ce\u5440\uff1f(\u00b4\u30fb\u03c9\u30fb`)<br \/>\n\u6211\u7a0d\u5fae\u67e5\u4e86\u4e00\u4e0b\uff0c\u5728\u624b\u518a\u7684\u65e0\u540d\u51fd\u6570\u90e8\u5206\uff0c<\/p>\n<blockquote><p>\u5f15\u7528\u7684\u53d8\u91cf\u503c\u662f\u5728\u51fd\u6570\u5b9a\u4e49\u65f6\u7684\u503c\uff0c\u800c\u4e0d\u662f\u5728\u51fd\u6570\u8c03\u7528\u65f6\u7684\u503c\u3002<\/p><\/blockquote>\n<p>\u770b\u8d77\u6765\u4e0d\u80fd\u505a\u54e6\u3002<\/p>\n<p>\u8865\u5145\u8bf4\u660e\uff1a<\/p>\n<p>\u6839\u636e@mpyw\u5148\u751f\u7684\u8bc4\u8bba\uff0c\u6210\u529f\u8fd0\u884c\u4e86\uff01\u975e\u5e38\u611f\u8c22\uff01\u4ee5\u4e0b\u662f\u4ee3\u7801\u7684\u8fd0\u884c\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$func<\/span> <span class=\"o\">=<\/span> <span class=\"k\">function<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nv\">$x<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">function<\/span><span class=\"p\">()<\/span> <span class=\"k\">use<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"nv\">$x<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"o\">++<\/span><span class=\"nv\">$x<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">};<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nv\">$func2<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$func<\/span><span class=\"p\">();<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$func2<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ 1<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$func2<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ 2<\/span>\r\n<span class=\"k\">echo<\/span> <span class=\"nv\">$func2<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ 3<\/span>\r\n<\/code><\/pre>\n<p>\u54e6\uff0c\u539f\u6765\u662f\u5e94\u8be5\u4f20\u9012\u6307\u9488\u7684\u554a&#8230;<br \/>\n\u5982\u8bc4\u8bba\u533a\u6240\u63d0\u5230\u7684@mpyw\u7684\u4ee3\u7801\u66f4\u7b80\u6d01\uff0c\u6211\u8ba4\u4e3a\u4f60\u4e5f\u53ef\u4ee5\u53c2\u8003\u90a3\u4e2a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u6211\u4e86\u89e3\u5230\uff0cPHP\u53ef\u4ee5\u5c06\u51fd\u6570\u8d4b\u7ed9\u53d8\u91cf\u3002 \u53ef\u4ee5\u50cf\u8fd9\u6837\u4f7f\u7528\u3002 $func = function() { echo [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30363","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin 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