Php 使用帖子 ID 更新 wp 帖子

我找到了一个解决我的问题的方法，就是在帖子上有一个特色图片，所以如果其他人有同样的问题，这些功能对我来说是有效的.

您必须修改一些字段名称，但这应该不是什么大事.

/*
 * Plugins
 * =======
 * 
 * Gravity Forms by Gravity Forms
 * <https://wordpress.com/plugins/gravityforms>
 *
 * Advanced Post Creation Add-On By Gravity Forms
 * <https://www.gravityforms.com/add-ons/advanced-post-creation/>
 *
 * Advanced Custom Fields (ACF) by WP Engine
 * <https://wordpress.org/plugins/advanced-custom-fields/>        
 */

add_action('gform_after_submission_2', 'custom_action_after_apc', 10, 2);
// (The _2 in the gform_after_submission is the form id.)

function custom_action_after_apc($entry, $form)
{

    // If the Advanced Post Creation add-on is used, more than one post
    // may be created for a form submission.
    // The Post-IDs are stored as an array in the entry meta.
    $created_posts = gform_get_meta(
        $entry['id'],
        'gravityformsadvancedpostcreation_post_id'
    );

    foreach ($created_posts as $post) {
        $post_id = $post['post_id'];

        // Get the title and featured image URL from the form fields.
        $title = get_field('title', $post_id);
        // $title = 'nu ska vi testa';
        $featured_image_url = get_field('featured_image', $post_id);
        // $featured_image_url
        
        // Update the post-title.
        $post_data = array(
            'ID' => $post_id,
            'post_title' => $title,
        );

        wp_update_post($post_data);
        
        // No featured image to update.
        if (empty($featured_image_url)) {
            continue;
        }
        
        // Download the image and set it as the featured image.
        $image_id = custom_upload_featured_image(
            $featured_image_url, 
            $post_id
        );

        // Set the featured image for the post.
        set_post_thumbnail($post_id, $image_id);
    }
}

// Function to upload and set a featured image from a URL.
function custom_upload_featured_image($image_url, $post_id)
{
    require_once(ABSPATH . 'wp-admin/includes/file.php');
    require_once(ABSPATH . 'wp-admin/includes/media.php');
    require_once(ABSPATH . 'wp-admin/includes/image.php');

    // Upload the image from the URL.
    $attachment_id = media_sideload_image($image_url, $post_id, null, 'id');

    if (! is_wp_error($attachment_id)) {
        return $attachment_id;
    }

    return 0;
}