{"id":13226,"date":"2024-03-15T06:38:03","date_gmt":"2024-03-15T06:38:03","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/"},"modified":"2025-08-05T14:12:40","modified_gmt":"2025-08-05T14:12:40","slug":"usage-and-return-value-of-the-file_put_contents-function","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/","title":{"rendered":"PHP file_put_contents() Guide"},"content":{"rendered":"<p>The file_put_contents() function is used to write a string into a file. Its basic usage is:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-title function_ invoke__\">file_put_contents<\/span>(<span class=\"hljs-variable\">$filename<\/span>, <span class=\"hljs-variable\">$data<\/span>);\r\n<\/code><\/pre>\n<p>In this case, $filename refers to the path of the file to be written, and $data refers to the string data to be written.<\/p>\n<p>The file_put_contents() function returns the number of bytes written to the file, or false if the writing fails.<\/p>\n<p>Example usage:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$data<\/span> = <span class=\"hljs-string\">\"Hello, world!\"<\/span>;\r\n<span class=\"hljs-variable\">$filename<\/span> = <span class=\"hljs-string\">\"file.txt\"<\/span>;\r\n<span class=\"hljs-variable\">$result<\/span> = <span class=\"hljs-title function_ invoke__\">file_put_contents<\/span>(<span class=\"hljs-variable\">$filename<\/span>, <span class=\"hljs-variable\">$data<\/span>);\r\n\r\n<span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-variable\">$result<\/span> !== <span class=\"hljs-literal\">false<\/span>) {\r\n    <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u5199\u5165\u6210\u529f\uff0c\u5171\u5199\u5165 \"<\/span> . <span class=\"hljs-variable\">$result<\/span> . <span class=\"hljs-string\">\" \u5b57\u8282\u6570\u636e\u3002\"<\/span>;\r\n} <span class=\"hljs-keyword\">else<\/span> {\r\n    <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u5199\u5165\u5931\u8d25\u3002\"<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In the example above, the string data &#8220;Hello, world!&#8221; is written to a file named file.txt and the number of bytes written is displayed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The file_put_contents() function is used to write a string into a file. Its basic usage is: file_put_contents($filename, $data); In this case, $filename refers to the path of the file to be written, and $data refers to the string data to be written. The file_put_contents() function returns the number of bytes written to the file, or [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[890,857,5051,660,663],"class_list":["post-13226","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-file-handling","tag-file-writing","tag-file_put_contents","tag-php","tag-php-functions"],"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>PHP file_put_contents() Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Master PHP&#039;s file_put_contents(): syntax, return values, and practical usage examples in one guide.\" \/>\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\/blog\/usage-and-return-value-of-the-file_put_contents-function\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP file_put_contents() Guide\" \/>\n<meta property=\"og:description\" content=\"Master PHP&#039;s file_put_contents(): syntax, return values, and practical usage examples in one guide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T06:38:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-05T14:12:40+00:00\" \/>\n<meta name=\"author\" content=\"Olivia Parker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Olivia Parker\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/\"},\"author\":{\"name\":\"Olivia Parker\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9\"},\"headline\":\"PHP file_put_contents() Guide\",\"datePublished\":\"2024-03-15T06:38:03+00:00\",\"dateModified\":\"2025-08-05T14:12:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/\"},\"wordCount\":94,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"file handling\",\"file writing\",\"file_put_contents\",\"PHP\",\"PHP functions\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/\",\"name\":\"PHP file_put_contents() Guide - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-15T06:38:03+00:00\",\"dateModified\":\"2025-08-05T14:12:40+00:00\",\"description\":\"Master PHP's file_put_contents(): syntax, return values, and practical usage examples in one guide.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PHP file_put_contents() Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9\",\"name\":\"Olivia Parker\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g\",\"caption\":\"Olivia Parker\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/oliviaparker\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"PHP file_put_contents() Guide - Blog - Silicon Cloud","description":"Master PHP's file_put_contents(): syntax, return values, and practical usage examples in one guide.","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\/blog\/usage-and-return-value-of-the-file_put_contents-function\/","og_locale":"en_US","og_type":"article","og_title":"PHP file_put_contents() Guide","og_description":"Master PHP's file_put_contents(): syntax, return values, and practical usage examples in one guide.","og_url":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-15T06:38:03+00:00","article_modified_time":"2025-08-05T14:12:40+00:00","author":"Olivia Parker","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Olivia Parker","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/"},"author":{"name":"Olivia Parker","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9"},"headline":"PHP file_put_contents() Guide","datePublished":"2024-03-15T06:38:03+00:00","dateModified":"2025-08-05T14:12:40+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/"},"wordCount":94,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"keywords":["file handling","file writing","file_put_contents","PHP","PHP functions"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/","url":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/","name":"PHP file_put_contents() Guide - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-15T06:38:03+00:00","dateModified":"2025-08-05T14:12:40+00:00","description":"Master PHP's file_put_contents(): syntax, return values, and practical usage examples in one guide.","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/usage-and-return-value-of-the-file_put_contents-function\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"PHP file_put_contents() Guide"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9","name":"Olivia Parker","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g","caption":"Olivia Parker"},"url":"https:\/\/www.silicloud.com\/blog\/author\/oliviaparker\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/13226","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=13226"}],"version-history":[{"count":3,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/13226\/revisions"}],"predecessor-version":[{"id":157141,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/13226\/revisions\/157141"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=13226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=13226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=13226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}