How to Use the WordPress Custom Logo API

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WordPress users who aren’t necessarily developers can’t always customize their website the way they want. They can choose a theme from thousands that are available (both free and paid), but there’s often frustration that they can’t easily change the logo. Some themes provide options allowing their users to change the logo but it’s not always the case. WordPress Logo

To allow all users to change the logo of their website easily, the WordPress team decided to add a new feature in WordPress 4.5: Custom Logo. Using this feature, any WordPress user will now be able to change their logo via the Theme Customizer.

If you’re a developer, you’ll want to know how to make use of the Custom Logo feature in your theme. The good news is that it’s not complicated, so you won’t have any excuse to not allow your user to customize their logo! In this article, we’ll look at how a user can change their logo with the Custom Logo feature. Then, we’ll cover how developers can enable the Custom Logo feature using the Custom Logo API.

From a user’s perspective, when the Custom Logo feature is enabled, changing the logo of a website is pretty easy. That was the aim of the feature after all.

The first thing to do is open the Theme Customizer. To do that, you can use the ‘Customize’ entry in the ‘Appearance’ menu in the WordPress dashboard. If you can’t see that entry, that means you don’t have the admin rights to the site to customize the theme (or you are using a very old version of WordPress and you should update it as soon as possible!). You can also access the Customizer thanks to the ‘Customize’ link in the admin top bar on any page of your website.


In the Customizer, go to the ‘Site Identity’ panel and you’ll find the ‘Logo’ section. If it’s the first time you’ve changed the logo, you’ll find a ‘Select logo’ button allowing you to select the logo you want to display on your website.

Hitting this button will open a media window. You can choose any existing image or you can upload a new one. Submit your choice with the ‘Choose logo’ button in the bottom right corner.

Once a logo is chosen, the ‘Logo’ section displays it, above two buttons: one to remove the custom logo, and another to change it.

The advantage of using the Theme Customizer is that you directly see the changes. In fact, right after choosing your logo you’ll see it on your website. You’re the only one who can see these changes, until you save them with the ‘Save & Publish’ button at the top of the Customizer.

Using the Custom Logo API

You can test this feature with WordPress’ default themes, because they allow the use of Custom Logo. If you use another theme, you need this theme to explicitly enable the Custom Logo feature. We’ll now highlight how this can be achieved.

Enabling the Custom Logo Feature

To enable the Custom Logo feature, we actually need to declare support for it. There’s a good reason why this feature is not enabled by default. As we’ll see below, we have to use a specific function to display the Custom Logo. If we don’t use this function, the Custom Logo is not displayed, so it’s useless changing it.

To declare support for the Custom Logo feature we use the add_theme_support() function. The best way to do this is by using a callback function and the after_setup_theme action. Put the following code in the functions.php file of your theme to declare the support for the Custom Logo feature.

Now your users will be able to select a logo. The problem is that it’s not displayed yet. Before we look at how we display the custom logo, I’ll now walk through another useful parameter.


        Call +1-857-342-2365 for help and support of WordPress Logo.


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