เขียน PHP ให้อ่าน RSS แต่มันอ่านเนื้อหาไม่หมดอะคับ

<?
$arr = array();
$count = 0;
$block = "ITEM";

$key = "";
$value = "";

function startxml($parser, $name, $att) {
global $key;
$key = $name;
}

function endxml($parser, $name) {
global $count;
global $block;
if($name == $block) {
$count=$count+1;
}
}

function cdata($parser, $data) {
global $key;
global $value;
global $count;
global $arr;
if(strlen($data) >1) {
$value = $data;
$arr[$count]["$key"] = $value;
}
}

function openxml($url) {
$p = xml_parser_create();
xml_set_element_handler($p, "startxml", "endxml");
xml_set_character_data_handler($p, "cdata");
$fp = fopen($url ,"r");
while($data = fread($fp,4096)) {
xml_parse( $p, $data, feof($fp));
}
xml_parser_free($p);
}

openxml("http://www.manager.co.th/rss/getRSS.aspx?browsenewsid=3200&sourcenewsid=0"); //url ของ rss
?>
<ul class="rss-manager-p">
<?
for($i = 0; $i < $count; $i ++) {
echo "<li>";
//echo "<li><a href=\"", $arr[$i]["LINK"],"\" target=\"_blank\"><img src=\"", $arr[$i]["IMAGE"],"\" /></a>";
echo "<span class=\"title\"><a href=\"", $arr[$i]["LINK"],"\" target=\"_blank\">";
echo $arr[$i]["TITLE"];
echo "</a></span><br />";
echo "<span class=\"text\">";
echo $arr[$i]["DESCRIPTION"];
echo "</span><br />";
echo "<span class=\"date\">", $arr[$i]["PUBDATE"],"</span>";
echo "</li>";
}
?>