cc() public method

Set CC
public cc ( $cc ) : CI_Email
return CI_Email
 public function cc($cc)
 {
     if ($this->mailer_engine == 'phpmailer') {
         $cc = $this->_str_to_array($cc);
         $names = $this->_extract_name($cc);
         $cc = $this->clean_email($cc);
         if ($this->validate) {
             $this->validate_email($cc);
         }
         reset($names);
         foreach ($cc as $address) {
             list($key, $name) = each($names);
             $this->phpmailer->addCC($address, $name);
         }
     } else {
         parent::cc($cc);
     }
     return $this;
 }