{"id":27470,"date":"2018-07-17T04:12:09","date_gmt":"2018-07-17T09:12:09","guid":{"rendered":"https:\/\/www.rosehosting.com\/blog\/?p=27470"},"modified":"2022-10-04T09:37:05","modified_gmt":"2022-10-04T14:37:05","slug":"how-to-add-code-to-functions-php-in-wordpress","status":"publish","type":"post","link":"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/","title":{"rendered":"How to (Safely) Add Code to functions.php in WordPress"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p><img decoding=\"async\" class=\"alignnone size-full wp-image-27527\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/How-to-Add-Code-to-functions.php-in-WordPress.jpg\" alt=\"How to Add Code to functions.php in WordPress\" width=\"742\" height=\"371\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/How-to-Add-Code-to-functions.php-in-WordPress.jpg 742w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/How-to-Add-Code-to-functions.php-in-WordPress-150x75.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/How-to-Add-Code-to-functions.php-in-WordPress-300x150.jpg 300w\" sizes=\"(max-width: 742px) 100vw, 742px\" \/><\/p>\n<p>Scouring the Internet for solutions to <a href=\"https:\/\/www.rosehosting.com\/blog\/how-to-solve-the-most-common-wordpress-errors\/\">WordPress problems<\/a> will inevitably bring you to sites that ask you to insert some piece of code or the other into functions.php. If you&#8217;re new to WordPress, this can be a confusing thing. By default, WordPress doesn&#8217;t have any obvious interface for you to insert code. And besides&#8230;copy-pasting stuff into your installation is dangerous. In this tutorial, we&#8217;ll show you how to <i>safely<\/i> install code into WordPress&#8217;s functions.php file. Let&#8217;s go.<!--more--><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-662eac2f0f075\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662eac2f0f075\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/#What-is-functionsphp-and-is-it-Dangerous\" title=\"What is functions.php, and is it Dangerous?\">What is functions.php, and is it Dangerous?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/#Step-1-Locate-functionsphp-for-your-Theme\" title=\"Step 1: Locate functions.php for your Theme\">Step 1: Locate functions.php for your Theme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/#Step-2-Making-Sure-Theres-No-Closing-%3E-Tag\" title=\"Step 2: Making Sure There&#8217;s No Closing ?&gt; Tag\">Step 2: Making Sure There&#8217;s No Closing ?&gt; Tag<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/#Step-3-Formatting-your-Code\" title=\"Step 3: Formatting your Code\">Step 3: Formatting your Code<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/#Step-4-Pasting-the-Code-into-functionsphp\" title=\"Step 4: Pasting the Code into functions.php\">Step 4: Pasting the Code into functions.php<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/#Best-Practices\" title=\"Best Practices\">Best Practices<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"western\"><span class=\"ez-toc-section\" id=\"What-is-functionsphp-and-is-it-Dangerous\"><\/span>What is functions.php, and is it Dangerous?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You probably know already that WordPress has themes. Each of these themes sits inside its own folder or directory. And each folder contains a file called &#8220;functions.php&#8221;. It&#8217;s a special file containing theme-specific PHP code. When a tutorial like this one tells you to &#8220;Insert code into functions.php&#8221;, they&#8217;re talking about this file.<\/p>\n<h3 class=\"western\">But it&#8217;s Also Dangerous!<\/h3>\n<p>Despite its value, functions.php is a dangerous file. The reason is that it&#8217;s linked to your theme. If there&#8217;s a syntax error in the code, it could disable the theme itself and make your site inaccessible. So be careful! We&#8217;ll also show you how to avoid pitfalls when inserting code.<\/p>\n<h2 class=\"western\"><span class=\"ez-toc-section\" id=\"Step-1-Locate-functionsphp-for-your-Theme\"><\/span>Step 1: Locate functions.php for your Theme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log into your WordPress dashboard and go to &#8220;Appearance-&gt;Editor&#8221; as shown here:<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-27529\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Add-Code-to-functions.php-in-WordPress.jpg\" alt=\"Add Code to functions.php in WordPress\" width=\"500\" height=\"315\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Add-Code-to-functions.php-in-WordPress.jpg 500w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Add-Code-to-functions.php-in-WordPress-150x95.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Add-Code-to-functions.php-in-WordPress-300x189.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>This will bring you to a page where you can edit your theme files. These files are listed on the right-hand side. Your current theme is selected by default. Locate the file labeled &#8220;Theme Functions&#8221; and click it as shown here:<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-27530\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Adding-Code-to-functions.php-in-WordPress.jpg\" alt=\"Adding Code to functions.php in WordPress\" width=\"500\" height=\"292\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Adding-Code-to-functions.php-in-WordPress.jpg 500w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Adding-Code-to-functions.php-in-WordPress-150x88.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Adding-Code-to-functions.php-in-WordPress-300x175.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2 class=\"western\"><span class=\"ez-toc-section\" id=\"Step-2-Making-Sure-Theres-No-Closing-%3E-Tag\"><\/span>Step 2: Making Sure There&#8217;s No Closing ?&gt; Tag<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This will open up functions.php in the textbox on the left-hand side. Scroll all the way down. If you see the following symbol at the <i>very end<\/i> of the file, delete it:<\/p>\n<pre>?&gt;<\/pre>\n<p>The old way of doing things was to ensure that every php file ended with a ?&gt; tag. But this led to problems where people would accidentally leave a blank line or even a space afterward, and it would crash their site. It was also very hard to debug.<\/p>\n<pre>So before you modify functions.php, ensure that it doesn't end with ?&gt; . If it doesn't remove it.<\/pre>\n<h2 class=\"western\"><span class=\"ez-toc-section\" id=\"Step-3-Formatting-your-Code\"><\/span>Step 3: Formatting your Code<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Older sites, or those adhering to older WordPress PHP standards might make a few mistakes in their code. So copy the code from their site, paste it into a text editor like Notepad and make the following changes:<\/p>\n<ol>\n<li>\n<pre>Remove any opening &lt;?php code<\/pre>\n<\/li>\n<li>\n<pre>Remove any trailing ?&gt; code<\/pre>\n<\/li>\n<\/ol>\n<p>Basically ensure that the code you&#8217;re copying is not enclosed in &lt;?php and ?&gt; tags. If it is, you&#8217;re going to have problems and your site will crash because we removed the closing ?&gt; tag in Step 2.<\/p>\n<p>Once your code is clean, we&#8217;re ready to paste!<\/p>\n<h2 class=\"western\"><span class=\"ez-toc-section\" id=\"Step-4-Pasting-the-Code-into-functionsphp\"><\/span>Step 4: Pasting the Code into functions.php<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Scroll all the way down to the textbox Step 1 with &#8220;functions.php&#8221; selected on the right-hand side. Now paste your code at the very bottom as shown here:<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-27531\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Pasting-Code-into-functions.php-in-WordPress.jpg\" alt=\"Pasting Code into functions.php in WordPress\" width=\"500\" height=\"191\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Pasting-Code-into-functions.php-in-WordPress.jpg 500w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Pasting-Code-into-functions.php-in-WordPress-150x57.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/Pasting-Code-into-functions.php-in-WordPress-300x115.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>To reiterate (because it&#8217;s so important), make sure there is no closing ?&gt; tag! Now save your changes and you&#8217;ve successfully added code to functions.php in WordPress! Here&#8217;s the output of the code we just added in this step as an example:<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-27532\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/how-to-add-code-to-functions.php-wordpress.jpg\" alt=\"how to add code to functions.php wordpress\" width=\"500\" height=\"191\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/how-to-add-code-to-functions.php-wordpress.jpg 500w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/how-to-add-code-to-functions.php-wordpress-150x57.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2018\/07\/how-to-add-code-to-functions.php-wordpress-300x115.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2 class=\"western\"><span class=\"ez-toc-section\" id=\"Best-Practices\"><\/span>Best Practices<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here are some best practices:<\/p>\n<h3 class=\"western\">Access from cPanel File Manager<\/h3>\n<p>Even though We&#8217;ve shown you how to access and modify functions.php from inside WordPress, we suggest you do it from your cPanel&#8217;s file manager instead. Locate your WordPress installation, and go to the following location:<\/p>\n<p><i>[WordPress Folder]<\/i>-&gt;wp-content-&gt;themes-&gt;<i>[theme folder]<\/i>-&gt;functions.php<\/p>\n<p>You can now right-click and edit functions.php from here. The reason why we recommend doing this is so that you can revert the changes if your site crashes!<\/p>\n<h3 class=\"western\">Use a Custom Plugin for WordPress Code<\/h3>\n<p>This requires a separate tutorial by itself. But the idea is that you create your own separate plugin for WordPress-specific code instead of inserting it into functions.php. This way if something goes wrong, WordPress can just disable the plugin instead of crashing your site!<\/p>\n<p>We hope this was a useful tutorial for you on how to safely insert code into functions.php in WordPress! You can also check out our guide on <a href=\"https:\/\/www.rosehosting.com\/blog\/how-to-solve-the-most-common-wordpress-errors\/\">how to solve the most common WordPress errors<\/a>.<\/p>\n<hr \/>\n<p>If you are one of our <a href=\"https:\/\/www.rosehosting.com\/wordpress-hosting.html\">Fully Managed WordPress Hosting<\/a> customers, you don&#8217;t need to insert code into functions.php by yourself, you can simply ask our technical support and one of our system administrators will do it for you, safely and efficiently.<\/p>\n<p>If you liked this post on how to insert code into functions.php in WordPress, please share it with your friends on social networks or simply leave a comment in the comments section. Thanks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scouring the Internet for solutions to WordPress problems will inevitably bring you to sites that ask you to insert some &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How to (Safely) Add Code to functions.php in WordPress\" class=\"read-more button\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-add-code-to-functions-php-in-wordpress\/#more-27470\" aria-label=\"Read more about How to (Safely) Add Code to functions.php in WordPress\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":27527,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1710,1236],"tags":[1730,148],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to (Safely) Add Code to functions.php in WordPress - RoseHosting<\/title>\n<meta name=\"description\" content=\"How to (Safely) Add Code to functions.php in WordPress - 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