{"id":30843,"date":"2022-11-07T15:08:23","date_gmt":"2023-05-05T10:26:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/"},"modified":"2025-08-12T21:03:48","modified_gmt":"2025-08-12T13:03:48","slug":"%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/","title":{"rendered":"\u3010PHP\u3011\u5173\u4e8e&#8221;\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9&#8221;\u7684\u8c1c\u9898"},"content":{"rendered":"<h1>\u68a6\u60f3<\/h1>\n<pre class=\"post-pre\"><code><span class=\"nv\">$str<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"trim&amp;\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nb\">var_dump<\/span><span class=\"p\">(<\/span><span class=\"nb\">rtrim<\/span><span class=\"p\">(<\/span><span class=\"nv\">$str<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"&amp;amp;\"<\/span><span class=\"p\">));<\/span>\r\n<span class=\"c1\">\/\/ string(4) \"trim\"<\/span>\r\n<\/code><\/pre>\n<h1>\u771f\u5b9e\u751f\u6d3b<\/h1>\n<pre class=\"post-pre\"><code><span class=\"nv\">$str<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"trim&amp;\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nb\">var_dump<\/span><span class=\"p\">(<\/span><span class=\"nb\">rtrim<\/span><span class=\"p\">(<\/span><span class=\"nv\">$str<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"&amp;amp;\"<\/span><span class=\"p\">));<\/span>\r\n<span class=\"c1\">\/\/ string(3) \"tri\"<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4ec0\u4e48\uff1f<\/p>\n<h2>\u5728\u4e2d\u56fd\u7684\u6bcd\u8bed\u4e2d\u8fdb\u884c\u91ca\u4e49\u65f6\uff0c\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff1a<br \/>\n\u8865\u5145\u8bf4\u660e<\/h2>\n<p>\u6211\u5728\u8bc4\u8bba\u4e2d\u6536\u5230\u4e86\u6307\u6b63\u3002rtrim\u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u7528\u4e8e\u5220\u9664\u4e0e\u7ed9\u5b9a\u5b57\u7b26\u4e32\u5339\u914d\u7684\u5185\u5bb9\u3002\u54e6\uff0c\u8fd9\u6837\u554a&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u68a6\u60f3 $str = &#8220;trim&amp;&#8221;; var_dump(rtrim($str,&#8221;&amp;amp;&#8221;) [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30843","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010PHP\u3011\u5173\u4e8e&quot;\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9&quot;\u7684\u8c1c\u9898 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010PHP\u3011\u5173\u4e8e&quot;\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9&quot;\u7684\u8c1c\u9898\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u3011\u5173\u4e8e\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\u7684\u8c1c\u9898\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010PHP\u3011\u5173\u4e8e&quot;\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9&quot;\u7684\u8c1c\u9898\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010PHP\u3011\u5173\u4e8e&quot;\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9&quot;\u7684\u8c1c\u9898\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u3011\u5173\u4e8e\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\u7684\u8c1c\u9898\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-05T10:26:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T13:03:48+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u9896\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u9896\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/\",\"name\":\"\u3010PHP\u3011\u5173\u4e8e\\\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\\\"\u7684\u8c1c\u9898 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-05-05T10:26:02+00:00\",\"dateModified\":\"2025-08-12T13:03:48+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e\"},\"description\":\"\u5173\u4e8e\u3010PHP\u3011\u5173\u4e8e\\\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\\\"\u7684\u8c1c\u9898\u7684\u6280\u672f\u6587\u7ae0\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010PHP\u3011\u5173\u4e8e&#8221;\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9&#8221;\u7684\u8c1c\u9898\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e\",\"name\":\"\u79d1, \u9896\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"caption\":\"\u79d1, \u9896\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u3010PHP\u3011\u5173\u4e8e\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\"\u7684\u8c1c\u9898 - Blog - Silicon Cloud","description":"\u5173\u4e8e\u3010PHP\u3011\u5173\u4e8e\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\"\u7684\u8c1c\u9898\u7684\u6280\u672f\u6587\u7ae0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u3011\u5173\u4e8e\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\u7684\u8c1c\u9898\/","og_locale":"zh_CN","og_type":"article","og_title":"\u3010PHP\u3011\u5173\u4e8e\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\"\u7684\u8c1c\u9898","og_description":"\u5173\u4e8e\u3010PHP\u3011\u5173\u4e8e\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\"\u7684\u8c1c\u9898\u7684\u6280\u672f\u6587\u7ae0","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u3011\u5173\u4e8e\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\u7684\u8c1c\u9898\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-05-05T10:26:02+00:00","article_modified_time":"2025-08-12T13:03:48+00:00","author":"\u79d1, \u9896","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u79d1, \u9896","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/","name":"\u3010PHP\u3011\u5173\u4e8e\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\"\u7684\u8c1c\u9898 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-05-05T10:26:02+00:00","dateModified":"2025-08-12T13:03:48+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e"},"description":"\u5173\u4e8e\u3010PHP\u3011\u5173\u4e8e\"\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\"\u7684\u8c1c\u9898\u7684\u6280\u672f\u6587\u7ae0","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u3010PHP\u3011\u5173\u4e8e&#8221;\u30a2\u30f3\u30d1\u30b5\u30f3\u30c9&#8221;\u7684\u8c1c\u9898"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e","name":"\u79d1, \u9896","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","caption":"\u79d1, \u9896"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e5%85%b3%e4%ba%8e%e3%82%a2%e3%83%b3%e3%83%91%e3%82%b5%e3%83%b3%e3%83%89%e7%9a%84%e8%b0%9c%e9%a2%98\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/30843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=30843"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/30843\/revisions"}],"predecessor-version":[{"id":56969,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/30843\/revisions\/56969"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=30843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=30843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=30843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}