Custom Function for ACF Link Field

Update: See https://brickslabs.com/custom-function-for-acf-link-field/#comment-863

In Bricks Discord chat, a user asked:

Does anyone know how to output the label of an ACF link field through Dynamic Data?

With the Return Value of a “Link” type of ACF field set at its default “Link Array”, the array looks like this:

when the field is populated for a post like this:

For printing out the values of title and url array keys for use in Bricks via its dynamic data tags feature, we can define a custom function like this (goes in child theme’s functions.php or a code snippets plugin):

function bl_get_link( string $field_name, string $key ) {
    $field_value = get_post_meta( get_the_ID(), $field_name, true );

    if ( $field_value && isset( $field_value[$key] ) ) {
        return $field_value[$key];
    }
}

and use it in Bricks like this:

{echo:bl_get_link(page_link,title)}

{echo:bl_get_link(page_link,url)}

where page_link is the field name.