change header logo on certain category page

add_filter( 'theme_mod_jnews_header_logo', 'j_change_header_logo' );
add_filter( 'theme_mod_jnews_header_logo_retina', 'j_change_header_logo_retina' );

/**
 * Change Retina logo URL.
 *
 * @param string $logo Logo URL.
 * @return string
 */
function j_change_header_logo_retina( $logo ) {
    if ( j_is_selected_category() ) {
        $logo = 'http://localhost.local/wp-content/uploads/2025/07/[email protected]'; /* change with your retina logo URL */
    }
    return $logo;
}

/**
 * Change logo URL.
 *
 * @param string $logo Logo URL.
 * @return string
 */
function j_change_header_logo( $logo ) {
    if ( j_is_selected_category() ) {
        $logo = 'http://localhost.local/wp-content/uploads/2025/07/footer_logo.png'; /* change with your logo URL */
    }
    return $logo;
}


/**
 * Check if in selected category page.
 *
 * @return bool
 */
function j_is_selected_category() {
    if ( is_category() ) {
        $category = get_queried_object();

        if ( $category && isset( $category->slug ) ) {
            $slug = $category->slug;

            /* Selected category list. */
            $selected_category = array(
                'jnews_demo_gaming',
                'jnews_demo_gear',
            );
            if ( in_array( $slug, $selected_category ) ) {
                return true;
            }
        }
    }
    return false;
}