<?php
require_once 'XML/Parser.php';


class myParser extends XML_Parser
{
  function myParser()
  {
    parent::XML_Parser();
  }


 /**
  * handle start element
  *
  * @access private
  * @param  resource  xml parser resource
  * @param  string    name of the element
  * @param  array     attributes
  */
  function startHandler($xp, $name, $attribs)
  {
    printf('handle start tag: %s<br />', $name);
  }


 /**
  * handle start element
  *
  * @access private
  * @param  resource  xml parser resource
  * @param  string    name of the element
  */
  function endHandler($xp, $name)
  {
    printf('handle end tag: %s<br />', $name);
  }


 /**
  * handle character data
  *
  * @access private
  * @param  resource  xml parser resource
  * @param  string    character data
  */
  function cdataHandler($xp, $cdata)
  {
    // does nothing here, but might e.g. print $cdata
  }
}


$p = &new myParser();


$result = $p->setInputFile('xml_parser_file.xml');
$result = $p->parse();
?>

<?php


class XMLParser {
   var $filename;
   var $xml;
   var $data;

   function XMLParser($xml_file)
   {
       $this->filename = $xml_file;
       $this->xml = xml_parser_create();
       xml_set_object($this->xml, $this);
       xml_set_element_handler($this->xml, 'startHandler', 'endHandler');
       xml_set_character_data_handler($this->xml, 'dataHandler');
       $this->parse($xml_file);
   }

   function parse($xml_file)
   {
       if (!($fp = fopen($xml_file, 'r'))) {
             die('Cannot open XML data file: '.$xml_file);
               return false;
       }


       $bytes_to_parse = 512;


       while ($data = fread($fp, $bytes_to_parse)) {
           $parse = xml_parse($this->xml, $data, feof($fp));

           if (!$parse) {
               die(sprintf("XML error: %s at line %d",
                   xml_error_string(xml_get_error_code($this->xml)),
                       xml_get_current_line_number($this->xml)));
                       xml_parser_free($this->xml
                     );
           }
       }


       return true;
   }

   function startHandler($parser, $name, $attributes)
   {
       $data['name'] = $name;
       if ($attributes) { $data['attributes'] = $attributes; }
       $this->data[] = $data;
   }


   function dataHandler($parser, $data)
   {
       if ($data = trim($data)) {
           $index = count($this->data) - 1;
           // begin multi-line bug fix (use the .= operator)
           $this->data[$index]['content'] .= $data;
           // end multi-line bug fix
       }
   }


   function endHandler($parser, $name)
   {
       if (count($this->data) > 1) {
           $data = array_pop($this->data);
           $index = count($this->data) - 1;
           $this->data[$index]['child'][] = $data;
       }
   }
}


?>