CakePhp email notification component

<?php
/**
 * This component handles sending email to webmaster
 */ 
App::uses('CakeEmail', 'Network/Email');
class NotifyComponent extends Component{
 
   function notify($msg, $subject=null, $to=null, $smtp=false){
      if ( ! $to ) $to = '[email protected]';
      $t = strftime('%Y-%m-%d %T ');
      $body = "Website Notice.\n" . $t . "\n" . $msg;
      $notifyEmail = Configure::read('notify-email');
      $webmasterEmail = Configure::read('webmaster-email');
      $webmasterName = Configure::read('webmaster-name');      
      if ( $subject == null ) $subject = $webmasterName . ' - Site Notice';
      $email = $this->createEmailObject($smtp);
 
      $email->from(array($webmasterEmail => $webmasterName))
         ->to($to)
         ->subject($subject);
      $email->sender($webmasterEmail, $webmasterName);
      $email->send($body);   
   }
 
   function critical($msg, $trace=null){
 
      $t = strftime('%Y-%m-%d %T ');
      $body = "Critical error.\n" . $t . "\n" . $msg;
      if ( $trace ){
         $body .="\n\n";
         if ( is_array($trace) ){
            $body .= print_r($trace, true);
         }
         else if( is_object($trace) ){
            $body .= print_r($trace,true);
         }
         else{
            $body .= $trace;
         }
      }
      $notifyEmail = Configure::read('notify-email');
      $webmasterEmail = Configure::read('webmaster-email');
      $webmasterName = Configure::read('webmaster-name');      
      $email = $this->createEmailObject($smtp);
 
      $email->from(array($webmasterEmail => $webmasterName))
         ->to($notifyEmail)
         ->subject($webmasterName.' - Critical site error');
      $email->sender($webmasterEmail, $webmasterName);
      $email->send($body);
 
   }
 
   function createEmailObject($smtp=false){
      $email = new CakeEmail();
 
      $emailConfig = Configure::read('email-config');
      // force smtp if the parameter says so even if it is turned off in the config.
      if ( $smtp ){
         $email->config('smtp');
      }
      if ( ! empty($emailConfig) ) {
         $email->config($emailConfig);
      }
      return $email;  
   }
 
} 
?>