original_string: public function to($values): self
      {
          $values = is_string($values) || is_integer($values) ? func_get_args() : $values;
  
          foreach ($values as $value) {
              if (! in_array($value, $this->to)) {
                  $this->to[] = $value;
              }
          }
  
          return $this;
      }
code: public function to($values): self
      {
          $values = is_string($values) || is_integer($values) ? func_get_args() : $values;
  
          foreach ($values as $value) {
              if (! in_array($value, $this->to)) {
                  $this->to[] = $value;
              }
          }
  
          return $this;
      }
code_tokens: public function to ( $ values ) : self { $ values = is_string ( $ values ) || is_integer ( $ values ) ? func_get_args ( ) : $ values ; foreach ( $ values as $ value ) { if ( ! in_array ( $ value , $ this -> to ) ) { $ this -> to [ ] = $ value ; } } return $ this ; }
docstring: Set multiple recipients fd or room names.
  
  @param integer, string, array
  
  @return $this
docstring_tokens: Set multiple recipients fd or room names .