[Resolved] Get custom taxonomy name in CRED auto-generated title

[Author]

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[Bruno Simon]

I am trying to: Generate post title from CRED submission using custom taxonomies and custom fields.

I visited this URL: https://toolset.com/documentation/programmer-reference/cred-api/#csd

I expected to see: The taxonomy name

Instead, I got: the taxonomy value + name

Hello, having browsed through all previous posts related to autotitle from CRED submission I ended up with this code, knowing that I want to use several custom taxonomies combined with several custom fields (XXXX to be replaced with my form ID):

//* CRED autotitle
add_action('cred_save_data','func_custom_post_title',10,2);
function func_custom_post_title($post_id,$form_data) {
  if ($form_data['id']==XXXX) {
    $auctiontype = get_the_term_list($post_id, 'listing-type', true);    
    $auctiondate = get_post_meta($post_id, 'wpcf-auction-ending', true);
    $auctiondate = date('d-m-Y',$auctiondate);
    $carbrand = get_the_term_list($post_id, 'car-brand', true);
    $title= $auctiontype. ': le ' . $auctiondate. ' - ' . $carbrand;
    $args = array('ID' => $post_id, 'post_title' => $title);
    wp_update_post($args);
  }
}

The resulting title looks like this: 1'En attente de confirmation: le 26-05-2017 – 1Porsche 911' (notice the '1' before each custom taxonomy name), whereas of course I'd like to get this: 'En attente de confirmation: le 26-05-2017 – Porsche 911'
For the record, in order to retrieve the custom taxonomies I also tried the following code, but to no avail (nothing showed up):

$auctiontype = wp_get_post_terms($post_id, 'listing-type');

Any help or hint would be most welcome.
Thanks.

[Minesh]

Hello. Thank you for contacting the Toolset support.

I think you are relly near to the solution. Instead of function get_the_term_list(), could you please try following code:

add_action('cred_save_data','func_custom_post_title',10,2);
function func_custom_post_title($post_id,$form_data) {
  if ($form_data['id']==XXXX) {
    $term_list = wp_get_post_terms($post_id, 'listing-type', array("fields" => "names"));    
    $auctiontype = join("-",$term_list);
    $auctiondate = get_post_meta($post_id, 'wpcf-auction-ending', true);
    $auctiondate = date('d-m-Y',$auctiondate);
   
    $term_list= wp_get_post_terms($post_id, 'car-brand', array("fields" => "names"));
    $carbrand = join("-",$term_list);

    $title= $auctiontype. ': le ' . $auctiondate. ' - ' . $carbrand;
    $args = array('ID' => $post_id, 'post_title' => $title);
    wp_update_post($args);
  }
}

More info:
=> https://codex.wordpress.org/Function_Reference/wp_get_post_terms

[Bruno Simon]

Hello Minesh,
Thanks for the prompt reply.
Indeed, that did the trick; brilliant!
One small additional question though: when using hierarchical taxonomies, it appears that the child is displayed before its parent (if both are selected); F.i. if 850i is a child of BMW, then I get '850i-BMW' in the title. Any way to invert this?
Thanks again.
Bruno

[Minesh]

This is great news that the solution works perfectly for you.

To get taxonomy terms sort in a hierarchical manner you need to add orderby clause. Could you please try following code:

add_action('cred_save_data','func_custom_post_title',10,2);
function func_custom_post_title($post_id,$form_data) {
  if ($form_data['id']==XXXX) {
    $term_list = wp_get_post_terms($post_id, 'listing-type', array("fields" => "names","orderby"=>"term_id"));    
    $auctiontype = join("-",$term_list);
    $auctiondate = get_post_meta($post_id, 'wpcf-auction-ending', true);
    $auctiondate = date('d-m-Y',$auctiondate);
    
    $term_list= wp_get_post_terms($post_id, 'car-brand', array("fields" => "names","orderby"=>"term_id"));
    $carbrand = join("-",$term_list);
 
    $title= $auctiontype. ': le ' . $auctiondate. ' - ' . $carbrand;
    $args = array('ID' => $post_id, 'post_title' => $title);
    wp_update_post($args);
  }
}

I hope now you have exact solution as per your requirement.

[Bruno Simon]

Perfectly!
Many thanks.
Cheers, Bruno