original_string: public function last_id()
    {
      if ( $this->last_insert_id ){
        return str::is_buid($this->last_insert_id) ? bin2hex($this->last_insert_id) : $this->last_insert_id;
      }
      return false;
    }
code: public function last_id()
    {
      if ( $this->last_insert_id ){
        return str::is_buid($this->last_insert_id) ? bin2hex($this->last_insert_id) : $this->last_insert_id;
      }
      return false;
    }
code_tokens: public function last_id ( ) { if ( $ this -> last_insert_id ) { return str :: is_buid ( $ this -> last_insert_id ) ? bin2hex ( $ this -> last_insert_id ) : $ this -> last_insert_id ; } return false ; }
docstring: Return the last inserted ID.
  
  ```php
  \bbn\x::dump($db->last_id());
  // (int) 26
  ```
  
  @return mixed
docstring_tokens: Return the last inserted ID .