Profile: christopheV-2

function update_birth_field_for_existing_posts() {
    // Replace 'your_custom_post_type' with your actual CPT slug
    $custom_post_type = 'your_custom_post_type';
    
    // Query to get all posts of the specified custom post type
    $query_args = array(
        'post_type'      => $custom_post_type,
        'posts_per_page' => -1, // Retrieve all posts
        'post_status'    => 'publish', // Only published posts
        'fields'         => 'ids' // We only need the post IDs
    );

    // Execute the query
    $posts = get_posts($query_args);

    // Loop through each post
    foreach ($posts as $post_id) {
        // Get the post author ID
        $author_id = get_post_field('post_author', $post_id);

        // Get the 'birth' custom field value for the author
        $client_birth = get_user_meta($author_id, 'wpcf-birth', true);

        // Check if the author has a 'birth' value
        if (!empty($client_birth)) {
            // Update the post meta with the user's birth value
            update_post_meta($post_id, 'wpcf-birth-post-field', sanitize_text_field($client_birth));
        }
    }

    // Remove the action after it runs to prevent it from running multiple times
    remove_action('admin_init', 'update_birth_field_for_existing_posts');
}

// Hook the function to admin_init so it runs when any admin page is accessed
add_action('admin_init', 'update_birth_field_for_existing_posts');

add_action('cred_save_data', 'my_save_user_birth_to_post', 10, 2);

function my_save_user_birth_to_post($post_id, $form_data) {
    // Your Toolset form ID in here
    if ($form_data['id']==ID) {
        // Check if the user is logged in
        if (is_user_logged_in()) {
            // Get the current user ID
            $current_user_id = get_current_user_id();
            
            // Get the 'birth' custom field value for the current user
            $clientBirth = get_user_meta($current_user_id, 'wpcf-birth', true);
            
            // Check if the user has a 'birth' value
            if (!empty($clientBirth)) {
                // Save the user's 'birth' value to the post's 'wpcf-birth-post-field' custom field
                update_post_meta($post_id, 'wpcf-birth-post-field', sanitize_text_field($clientBirth));
            }
        }
    }
}