Autor Image no Cpt.php

// Adiciona a coluna de imagem do autor na lista de posts do CPT Professor
add_filter('manage_professor_posts_columns', 'add_author_image_column');
function add_author_image_column($columns) {
    $columns['author_image'] = __('Author Image', 'text-domain');
    return $columns;
}

// Mostra a imagem do autor na coluna de imagem do autor da lista de posts do CPT Professor
add_action('manage_professor_posts_custom_column', 'show_author_image_column', 10, 2);
function show_author_image_column($column, $post_id) {
    if ($column == 'author_image') {
        $author_id = get_post_field('post_author', $post_id);
        $profile_picture = get_user_meta($author_id, 'profile-picture', true);
        if ($profile_picture) {
            echo '<img src="' . esc_attr($profile_picture) . '" width="50" height="50" />';
        } else {
            echo '-';
        }
    }
}

// Reorganiza as colunas na lista de posts do CPT Professor
add_filter('manage_professor_posts_columns', 'move_author_image_column');
function move_author_image_column($columns) {
    $new_columns = array();
    $author_image = $columns['author_image'];
    unset($columns['author_image']);
    $new_columns['author_image'] = $author_image;
    return array_merge($new_columns, $columns);
}