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  Classes of Alexey G. Piyanin  >  HTML SAX Parser  >  example4.php  >  Download  
File: example4.php
Role: Example script
Content type: text/plain
Description: Example #4 (get body tag content)
Class: HTML SAX Parser
Parse HTML documents using regular expressions
Author: By
Last change:
Date: 2005-03-28 07:13
Size: 935 bytes
 

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<?
/*
Author: Alexey G. Piyanin (e-mail: drdrzlo at mail dot ru)
Date:   Mar 28 2005
Title:  Get body tag content
*/
include('SAXParser.php');

$beginPos = -1;
$endPos = -1;

function begin($tag,$attributes,$pos,$length){
  global $beginPos;
  if ($tag=='body' && $beginPos<0) $beginPos = $pos+$length;
}

function endTag($tag,$pos){
  global $endPos;
  if ($tag=='body' && $endPos<0) $endPos = $pos;
}

$parser = new HTML_SAXParser();
$parser->initFunc('begin','endTag');?>
<html>
<body>
<center>Source page:<br><iframe src="example1.html" width="600" height="400" ></iframe></center><br><br>
Body content:<br><pre><?
$contentHTML = join('',file('example1.html'));
$parser->parseString($contentHTML);
if ($beginPos>0 && $endPos>0){ // find body tag
  $contentHTML = substr($contentHTML,$beginPos,$endPos-$beginPos); // cut body content
  echo htmlspecialchars($contentHTML);
}
?>
</pre></body></html>