Save Image from REST API to Wordpress

gistfile1.txt

add_action('jet-form-builder/custom-action/saveimage', function( $request, $action_handler ) {

    $image_url = $request['image_file'];
    $post_id   = $request['inserted_post_id'];

    // Get image data from URL
    $image_data = file_get_contents($image_url);

    // Set the path to the WordPress uploads directory
    $upload_dir = wp_upload_dir();

    // Set the file name for the image
    $file_name = basename($image_url);

    // Set the full path for the image file
    $file_path = $upload_dir['path'] . '/' . $file_name;

    // Save the image to the uploads directory
    file_put_contents($file_path, $image_data);

    // Determine the image file type
    $file_type = wp_check_filetype($file_name, null);

    // Prepare attachment data
    $attachment_data = array(
        'post_mime_type' => $file_type['type'],
        'post_title'     => sanitize_file_name($file_name),
        'post_content'   => '',
        'post_status'    => 'inherit',
    );

    // Insert attachment to WordPress
    $attachment_id = wp_insert_attachment($attachment_data, $file_path, $post_id);

    // Set as featured image (thumbnail)
    set_post_thumbnail($post_id, $attachment_id);

}, 10, 2);