<?php
include_once("memreport.php");
$SaxObject = new SaxClass();
$parser_object = xml_parser_create();
xml_set_object ($parser_object, $SaxObject);    
//don't do CASE_FOLDING
xml_parser_set_option($parser_object, XML_OPTION_CASE_FOLDING, false);

xml_set_element_handler($parser_object,"startElement","endElement");
xml_set_character_data_handler($parser_object, "contentHandler");

class SaxClass {
    private $hit = false;
    private $titleHit = false;
    //callback for start Elements
    
    function startElement($parser_object, $elementname, $attribute) {
        if ($elementname == "entry") {
            if ( $attribute['ID'] == 4365) {
                $this->hit = true;
                
            } else {
                $this->hit = false;
            }
        }
        if ($this->hit && $elementname == "title") {
            $this->titleHit = true;
            
        } else {
            $this->titleHit =false;          
        }
        
    }
    //callback for end Element
    function endElement($parser_object, $elementname) {
        
    }
    
    function contentHandler($parser_object,$data)
    {
        if ($this->titleHit) {
            print trim($data);
            
            if ($GLOBALS['argv'][1] == "firstonly") {
                            memReport();
                            exit();
                            
            }
        }
         
    }
}

doParse($parser_object);
memReport();
function doParse($parser_object) {
    //open a filehandle to books.xml
    if (!($fp = fopen("planet-big.xml", "r")));
    
    //loop through data
    while ($daten = fread($fp, 4096))
    {
        //parse the fragment
        xml_parse($parser_object, $daten, feof($fp));
    }
}