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<?php
/**
* @version $Id: ExpatvsHtmlSax.php,v 1.3 2004/06/02 14:33:38 hfuecks Exp $
* Shows HTMLSax in a race against Expat. Note that HTMLSax performance
* gets slower on PHP < 4.3.0 or if parser options are being used
*/
require_once('XML/HTMLSax3.php');
function getmicrotime(){
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
// The PHP general RDF feed
$doc = file_get_contents('http://news.php.net/group.php?group=php.general&format=rdf');
/* Simple handler that does nothing */
class MyHandler {
function openHandler(& $parser,$name,$attrs) {}
function closeHandler(& $parser,$name) {}
function dataHandler(& $parser,$data) {}
}
$handler=& new MyHandler();
$parser = xml_parser_create();
xml_set_object($parser, $handler);
xml_set_element_handler($parser, 'openHandler', 'closeHandler' );
xml_set_character_data_handler($parser, 'dataHandler' );
echo ('<pre>');
// Time Expat
$start = getmicrotime();
xml_parse($parser, $doc);
$end = getmicrotime();
echo ( "Expat took:\t\t".(getmicrotime()-$start)."<br />" );
$start = getmicrotime();
$parser =& new XML_HTMLSax3();
$parser->set_object($handler);
$parser->set_element_handler('openHandler','closeHandler');
$parser->set_data_handler('dataHandler');
// Time HTMLSax
$start = getmicrotime();
$parser->parse($doc);
echo ( "HTMLSax took:\t\t".(getmicrotime()-$start) );
echo ('</pre>');
?>
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