Problem mit einer PHP Parser Klasse

 Parse error: syntax error, unexpected T_FINAL, expecting T_STRING in E:\xampplite\htdocs\interwebbz\inc\parser.php on line 30 

<?php
class Parser {
	var $parent;
	
	function Parser(&$parent, $attr) {
		$this->C($parent, $attr);
	}
	
	function C(&$parent, $attr) {
		$this->parent = &$parent;
		$this->init($attr);
	}
	
	function setHandler($parser) {
		xml_set_element_handler($parser, $this->getCallBack('element_start'),$this->getCallBack('element_end'));  
		xml_set_character_data_handler($parser, $this->getCallBack('element_cdata'));  
	}
	
	function &getCallBack($func) {
		$cb = array();
		$cb = &$this;
		$cb = $func;
		return $cb;
	}
	
	function init($attr) {
		
	}
	
	function final() {
		
	}
	
	function element_cdata($parser, $data) {
		
	}
	
	function element_start($parser, $name, $attr) {
		
	}
	
	function element_end($parser, $name) {
		
		if ($name == $this->getName()) {
			$this->parent->setHandler($parser);
			$this->final();
		}
	}
	
	function getName() {
		trigger_error('not implemented');  
	}
}