How can I use ACF Image field in ACF Options page to update wordpress favicon

How To
1

Need some help with this one, as logo is working with dynamic data selected.
Now need to be able to change the wordpress favicon easily

2

This is how I’m currently doing it to update favicon as well as the sites name, using two fields on an acf options pages:

add_action('acf/save_post', 'update_site_identity');
function update_site_identity() {
    update_option('site_icon',get_field('favicon','options', false), true);
	update_option('blogname', get_field('site_title', 'options'), true);
}
1 Like
3

thanks for the response, but this is not working for my

4

Then maybe post some screenshots of your fields, options page, code, etc…

5

Hey Casper,

you can use WordPress’ get_site_icon_url hook.

add_filter( 'get_site_icon_url', function( $url ) {
    // Get the custom site icon from an options page
    $custom_site_icon = get_field( 'custom_site_icon', 'option' );

    if ( ! empty( $custom_site_icon ) ) {
        if ( is_array( $custom_site_icon ) ) {
            // return type: Image Array
            return $custom_site_icon['url'];
        } else if ( is_int( $custom_site_icon ) ) {
            // return type: Image ID
            return wp_get_attachment_image_url( $custom_site_icon );
        } else {
            // return type: Image URL
            return $custom_site_icon;
        }
    }

    return $url;
} );

Let me know if that helps.

6

Tried this code as well, and not working…
thanks guys

7

Hey Casper,

it would help a lot if you could show some actual code. Then we‘re happy to help.

Best,

André

8

Here is the code to create the options page

<?php 

if( function_exists('acf_add_options_page') ) {
    
    acf_add_options_page(array(
        'page_title'     => 'Theme General Settings',
        'menu_title'    => 'Theme Settings',
        'menu_slug'     => 'theme-general-settings',
        'capability'    => 'edit_posts',
        'redirect'        => false
    ));
          
}

created an image field with custom_site_icon as the field name, and tried your code

Let me know if I should create a admin login for you