original_string: public function references(array $reference = null)
      {
          if (! isset($this->data->references)) {
              $this->data->references = [];
          }
  
          return $this->data->contacts[] = (object) $reference;
      }
code: public function references(array $reference = null)
      {
          if (! isset($this->data->references)) {
              $this->data->references = [];
          }
  
          return $this->data->contacts[] = (object) $reference;
      }
code_tokens: public function references ( array $ reference = null ) { if ( ! isset ( $ this -> data -> references ) ) { $ this -> data -> references = [ ] ; } return $ this -> data -> contacts [ ] = ( object ) $ reference ; }
docstring: Put a commercial reference on person data
  
  @param array $reference
  @return object
docstring_tokens: Put a commercial reference on person data