Rank Math not getting all the Custom Fields

Hello,

Thank you for contacting Rank Math today.

I am sorry but this is the default working of this variable. It will return the first selected term on the custom taxonomy.

To be able to get all the terms, you will need to register a custom variable name using the following filter:

/**
 * Action: 'rank_math/vars/register_extra_replacements' - Allows adding extra variables.
 */add_action( 'rank_math/vars/register_extra_replacements', function(){
 rank_math_register_var_replacement(
 'custom_variable_slug',
 [
 'name'        => esc_html__( 'Custom variable name.', 'rank-math' ),
 'description' => esc_html__( 'Custom variable description.', 'rank-math' ),
 'variable'    => 'custom_variable_slug',
 'example'     => 'custom_variable_callback()',
 ],
 'custom_variable_callback()'
 );
});

Looking forward to helping you. Thank you.

​​​​​​

Hi Oscar,

Thanks for the reply.

Here is some code that you can modify to register a new variable called %All_Categories% :

/**
 * Action: 'rank_math/vars/register_extra_replacements' - Allows adding extra variables.
* Snippet to register variable that will return all terms in custom taxonomy
 */

add_action( 'rank_math/vars/register_extra_replacements', function(){
 rank_math_register_var_replacement(
 'All_Categories',
 [
 'name'        => esc_html__( 'All categories', 'rank-math' ),
 'description' => esc_html__( 'Returns all product categories', 'rank-math' ),
 'variable'    => 'All_Categories',
 'example'     => my_variable_callback(),
 ],
 'my_variable_callback'
 );

});
function my_variable_callback(){
	global $post;
        //Replace 'categorias-videojuegos' with the name of taxonomy if different
	$taxonomy = 'categorias-videojuegos';
        // only call this code on specific post type
        // Replace post_type_name with the name of your post type
    if(is_singular('post_type_name')){
    // Get the term IDs assigned to post.
    $post_terms = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
 
    // Separator between links.
    $separator = ', ';
 
    if ( ! empty( $post_terms ) && ! is_wp_error( $post_terms ) ) {
 
    $term_ids = implode( ',' , $post_terms );
 
    $terms = wp_list_categories( array(
        'title_li' => '',
        'style'    => 'none',
        'echo'     => false,
        'taxonomy' => $taxonomy,
        'include'  => $term_ids
    ) );
 
    $terms = rtrim( trim( str_replace( '<br />',  $separator, $terms ) ), $separator );
 
    // Display post categories.
    return  $terms;
	}
}
}

I have added some comments on the areas that you need to modify to customize for your post type.

I hope this info helps. Thank you.