split a page

<?php
$script="http://".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'];
$sourceHTML = file_get_contents('wall.html');
preg_match("/(.*?<body.*?>)(.*)(<\/body.*$)/is", $sourceHTML, $matches);//(.*)(<\/body.*$)
$top = $matches[1];

$contents = $matches[2];
$bottom = $matches[3];
$top= str_replace("</head>", '<script src="js/jquery-1.6.4.min.js" type="text/javascript"></script>'."\n".'<script src="js/jquery.autopager-1.0.0.js" type="text/javascript"></script></head>', $top);
$inserts="";

$splitContents = explode('<div class="feedentry hentry">', $contents);

$lastitemfix=explode('</div>', $splitContents[sizeof($splitContents)-1]);

$splitContents[sizeof($splitContents)-1]=$lastitemfix[0]."</div></div>";
if(isset($_REQUEST["next"]))
	$next=$_REQUEST["next"];
else
	$next=0;
if($next==0){
	$contentelement=$splitContents[0].'<div class="feedentry hentry content">'.$splitContents[1];
	$contentelement.='<div class="feedentry hentry content">'.$splitContents[2].'<div class="feedentry hentry content">'.$splitContents[3];	
	$nextlink='<a href="'.$script.'?4" rel="next" style="display:none;">Next</a>';
	
}
else
{
	$contentelement='<div class="feedentry hentry content">'.$splitContents[$next];
	if($next<sizeof($splitContents))
		$nextlink='<a href="'.$script.'?'.($next+1).'" rel="next" style="display:none;">Next</a>';
	else
		$nextlink='';
}
echo $top;
?>
  <script type="text/javascript">
    $(function() {
        $.autopager();
    });
  </script>
<?php
if($next==0)
	echo $contentelement.$nextlink."</div>".$lastitemfix[sizeof($lastitemfix)-3]."</div></div>".$bottom;
else
	echo $contentelement.$nextlink.$bottom;

?>