{"id":9746,"date":"2024-03-14T10:07:47","date_gmt":"2024-03-14T10:07:47","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/"},"modified":"2024-03-20T16:14:30","modified_gmt":"2024-03-20T16:14:30","slug":"what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/","title":{"rendered":"What is the method in PHP to determine if a link is broken or not?"},"content":{"rendered":"<p>In PHP, you can use the curl library to check if a link is broken. Here is a simple example code: <\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">isLinkValid<\/span>(<span class=\"hljs-params\"><span class=\"hljs-variable\">$url<\/span><\/span>) <\/span>{\r\n    <span class=\"hljs-variable\">$ch<\/span> = <span class=\"hljs-title function_ invoke__\">curl_init<\/span>(<span class=\"hljs-variable\">$url<\/span>);\r\n    <span class=\"hljs-title function_ invoke__\">curl_setopt<\/span>(<span class=\"hljs-variable\">$ch<\/span>, CURLOPT_RETURNTRANSFER, <span class=\"hljs-literal\">true<\/span>);\r\n    <span class=\"hljs-title function_ invoke__\">curl_setopt<\/span>(<span class=\"hljs-variable\">$ch<\/span>, CURLOPT_FOLLOWLOCATION, <span class=\"hljs-literal\">true<\/span>);\r\n    <span class=\"hljs-title function_ invoke__\">curl_setopt<\/span>(<span class=\"hljs-variable\">$ch<\/span>, CURLOPT_TIMEOUT, <span class=\"hljs-number\">10<\/span>);\r\n    <span class=\"hljs-title function_ invoke__\">curl_exec<\/span>(<span class=\"hljs-variable\">$ch<\/span>);\r\n    <span class=\"hljs-variable\">$httpCode<\/span> = <span class=\"hljs-title function_ invoke__\">curl_getinfo<\/span>(<span class=\"hljs-variable\">$ch<\/span>, CURLINFO_HTTP_CODE);\r\n    <span class=\"hljs-title function_ invoke__\">curl_close<\/span>(<span class=\"hljs-variable\">$ch<\/span>);\r\n    \r\n    <span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-variable\">$httpCode<\/span> &gt;= <span class=\"hljs-number\">200<\/span> &amp;&amp; <span class=\"hljs-variable\">$httpCode<\/span> &lt; <span class=\"hljs-number\">400<\/span>) {\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">true<\/span>;\r\n    } <span class=\"hljs-keyword\">else<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">false<\/span>;\r\n    }\r\n}\r\n\r\n<span class=\"hljs-variable\">$url<\/span> = <span class=\"hljs-string\">\"https:\/\/www.example.com\"<\/span>;\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-title function_ invoke__\">isLinkValid<\/span>(<span class=\"hljs-variable\">$url<\/span>)) {\r\n    <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u94fe\u63a5\u6709\u6548\"<\/span>;\r\n} <span class=\"hljs-keyword\">else<\/span> {\r\n    <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u94fe\u63a5\u5931\u6548\"<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In the above code, a CURL session is first initialized using the curl_init function. Then, various options are set such as setting the return data to true, allowing redirection, setting a timeout of 10 seconds, and finally executing the curl request. Afterwards, the HTTP status code is obtained using the curl_getinfo function. If the status code falls between 200 and 399, the link is considered valid, otherwise it is invalid.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In PHP, you can use the curl library to check if a link is broken. Here is a simple example code: function isLinkValid($url) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($httpCode &gt;= 200 &amp;&amp; $httpCode &lt; 400) { return true; } else [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9746","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the method in PHP to determine if a link is broken or not? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the method in PHP to determine if a link is broken or not?\" \/>\n<meta property=\"og:description\" content=\"In PHP, you can use the curl library to check if a link is broken. Here is a simple example code: function isLinkValid($url) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($httpCode &gt;= 200 &amp;&amp; $httpCode &lt; 400) { return true; } else [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/\" \/>\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=\"2024-03-14T10:07:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-20T16:14:30+00:00\" \/>\n<meta name=\"author\" content=\"Jackson Davis\" \/>\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=\"Jackson Davis\" \/>\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\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/\"},\"author\":{\"name\":\"Jackson Davis\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/55a10b8b0457c35884c25677889ad350\"},\"headline\":\"What is the method in PHP to determine if a link is broken or not?\",\"datePublished\":\"2024-03-14T10:07:47+00:00\",\"dateModified\":\"2024-03-20T16:14:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/\"},\"wordCount\":105,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/\",\"name\":\"What is the method in PHP to determine if a link is broken or not? 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Here is a simple example code: function isLinkValid($url) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($httpCode &gt;= 200 &amp;&amp; $httpCode &lt; 400) { return true; } else [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-14T10:07:47+00:00","article_modified_time":"2024-03-20T16:14:30+00:00","author":"Jackson Davis","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Jackson Davis","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/"},"author":{"name":"Jackson Davis","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/55a10b8b0457c35884c25677889ad350"},"headline":"What is the method in PHP to determine if a link is broken or not?","datePublished":"2024-03-14T10:07:47+00:00","dateModified":"2024-03-20T16:14:30+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/"},"wordCount":105,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/","url":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-php-to-determine-if-a-link-is-broken-or-not\/","name":"What is the method in PHP to determine if a link is broken or not? 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