php_error.php

<?php

class test {

	public static function error_handler($code, $error, $file = NULL, $line = NULL)
	{
		throw new ErrorException($error, $code, 0, $file, $line);
	}

	public static function run()
	{
		$object = new self;

		echo $object.$foo;
	}

	public function __toString()
	{
		return __CLASS__;
	}

}

error_reporting(E_ALL);

set_error_handler(array('test', 'error_handler'));

test::run();