Função para copiar as tags associadas aos posts de um tipo customizado para uma nova taxonomia customizada

copy-cutom-post-type-tags.php

<?php
/**
 * Function to copy tags associated with custom post type to the new custom taxonomy "tag-recurso-educativo".
 */
function copy_custom_post_type_tags() {
    // Set arguments to retrieve custom post type posts.
    $args = array(
        'post_type'      => 'recursos-educativos', // Replace 'recursos-educativos' with your custom post type name.
        'posts_per_page' => -1,
    );

    // Retrieve custom post type posts.
    $custom_posts = new WP_Query($args);

    // Check if there are custom post type posts.
    if ($custom_posts->have_posts()) {
        // Loop through custom post type posts.
        while ($custom_posts->have_posts()) {
            $custom_posts->the_post();

            // Get all tags associated with the post.
            $post_tags = get_the_tags();

            // Check if the post has associated tags.
            if ($post_tags) {
                // Initialize an array to store the term IDs to be assigned.
                $term_ids = array();

                // Loop through the tags associated with the post.
                foreach ($post_tags as $tag) {
                    // Check if the tag already exists in the new taxonomy.
                    $existing_term = term_exists($tag->name, 'tag-recurso-educativo');

                    // If the term does not exist in the new taxonomy, create it.
                    if (!$existing_term) {
                        $args = array(
                            'description' => $tag->description,
                            'slug'        => $tag->slug,
                        );
                        $inserted_term = wp_insert_term($tag->name, 'tag-recurso-educativo', $args);

                        // Check if there was an error inserting the term.
                        if (is_wp_error($inserted_term)) {
                            error_log('Error inserting term ' . $tag->name . ' in the new taxonomy: ' . $inserted_term->get_error_message());
                            continue; // Skip to the next iteration of the loop in case of an error.
                        } else {
                            $term_id = $inserted_term['term_id'];
                        }
                    } else {
                        if (is_array($existing_term)) {
                            $term_id = $existing_term['term_id'];
                        } else {
                            $term_id = $existing_term;
                        }
                    }

                    // Add the term ID to the array.
                    $term_ids[] = (int) $term_id;
                }

                // Assign the new taxonomy terms to the post.
                wp_set_post_terms(get_the_ID(), $term_ids, 'tag-recurso-educativo', false); // Use false to replace existing terms.
            }
        }
        wp_reset_postdata(); // Restore post data.
    }
}
add_action('init', 'copy_custom_post_type_tags', 999);