Email Attachment from a external link

Email Attachment from a external link

add_filter('fluentform_filter_email_attachments', function($emailAttachments, $notification,$form, $submittedData){

    $target_form_id = 38;
    if($form->id != $target_form_id){
        return;
    }

    $url = "your_file_location_url";
    $tmp = download_url($url);
    if (is_wp_error($tmp)) {
        return 'Error while downloading';
    }
    $post_id = 0; // set 0 for no parent post id or simple attachment otherwise pass post id for include in post
    $desc = "Your Pdf";
    $file_array = array();

    // Set variables for storage
    // fix file filename for query strings
    preg_match('/[^\?]+\.(jpg|jpe|jpeg|gif|png|pdf)/i', $url, $matches);
    $file_array['name'] = basename($matches[0]);
    $file_array['tmp_name'] = $tmp;

    // If error storing temporarily, unlink
    if (is_wp_error($tmp)) {
        @unlink($file_array['tmp_name']);
        $file_array['tmp_name'] = '';
    }

    // do the validation and storage stuff
    $id = media_handle_sideload($file_array, $post_id, $desc);

    // If error storing permanently, unlink
    if (is_wp_error($id)) {
        @unlink($file_array['tmp_name']);
        return $id;
    }

    $src = wp_get_attachment_url($id);
    $emailAttachments[] = get_attached_file($id);
    return $emailAttachments;

}, 10, 4);