PHP 5.3 __toString breaks Savant3 __toString with params

Just this week after upgrading my PHP version, I started getting this error when trying to use Savant 3: Fatal error: Method Savant3::__tostring() cannot take arguments in Savant3.php on line 192

PHP 5.3 no longer accepts parameters to it's magic function __toString() which conflicted with Savant's implementation which takes one parameter: $tpl.

The fix involves changing this method so it doesn't take an argument and conforms with PHP 5.3. After a quick look at the code I realized the following changes were needed.

1. Change the display method to
   

   1. 	public function display($tpl = null)

   2. 	{

   3.               if(!is_null($tpl))

   4.                  $this->config['template'] = $tpl;

   5. 		echo $this->__toString();

   6. 	}

2. Then change the __toString method to use the config['template'] setting:
   

   1. 	public function __toString()

   2. 	{

   3.                 $tpl = $this->config['template'];

   4. 		$output = $this->fetch($tpl);

   5. 		if ($this->isError($output)) {

   6. 			$text = $this->__config['error_text'];

   7. 			return $this->escape($text);

   8. 		} else {

   9. 			return $output;

   10. 		}

   11. 	}