Profile: bartv-9

add_action('save_post','cyb_set_first_letter');
function cyb_set_first_letter( $post_id ){
 
  // skip autosave
  if( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) {
    return;
  }
 
  // limit to term post type
  if( isset($_POST['post_type']) && 'flowers' != $_POST['post_type'] ) {
    return;
  }
 
  // Check permissions
  if( !current_user_can('edit_post', $post_id ) ) {
    return;
  }
 
  //Assign first letter of the title as alphabet term
  if( isset($_POST['post_title']) ) {
    //TODO: skip no-sense words, characters, etc
    $alphabet_term = mb_strtolower( mb_substr( $_POST['post_title'], 0, 1 ) );
    wp_set_post_terms(
      $post_id,
      $alphabet_term,
      'alphabet'
    );
  }
}