original_string: private function formatTo() {
  
  		$to = null;
  
  		if(true === isset($this -> headers['to'])) {
  			$to = $this -> emailsToString($this -> headers['to']);
  		}
  
  		return $to;
  	}
code: private function formatTo() {
  
  		$to = null;
  
  		if(true === isset($this -> headers['to'])) {
  			$to = $this -> emailsToString($this -> headers['to']);
  		}
  
  		return $to;
  	}
code_tokens: private function formatTo ( ) { $ to = null ; if ( true === isset ( $ this -> headers [ 'to' ] ) ) { $ to = $ this -> emailsToString ( $ this -> headers [ 'to' ] ) ; } return $ to ; }
docstring: Formats the "to" email and returns it
  @return string
docstring_tokens: Formats the to email and returns it