http://cafe.naver.com/q69/94424<?
$siteurl='http://selnip.com/~mobint';
$blogfilename='index.php';
$blogname="Mobint's blog";
$querystring_start='?';
$querystring_equal='=';
$post_ID='mobint';


// trackback - send
function trackback($trackback_url, $title, $excerpt, $ID) {
    global $siteurl, $blogfilename, $blogname;
    global $querystring_start, $querystring_equal;
    $title = urlencode($title);
    $excerpt = urlencode(stripslashes($excerpt));
    $blog_name = urlencode($blogname);
    $url = urlencode($siteurl.'/'.$blogfilename.$querystring_start.'p'.$querystring_equal.$ID);
    $query_string = "title=$title&url=$url&blog_name=$blog_name&excerpt=$excerpt";
    if (strstr($trackback_url, '?')) {
        $trackback_url .= "&".$query_string;;
        $fp = @fopen($trackback_url, 'r');
        $result = @fread($fp, 4096);
        @fclose($fp);

    } else {
    $trackback_url = parse_url($trackback_url);
    $http_request  = 'POST '.$trackback_url['path']." HTTP/1.0rn";
    $http_request .= 'Host: '.$trackback_url['host']."rn";
    $http_request .= 'Content-Type: application/x-www-form-urlencoded'."rn";
    $http_request .= 'Content-Length: '.strlen($query_string)."rn";
    $http_request .= "rn";
    $http_request .= $query_string;
    $fs = @fsockopen($trackback_url['host'], 80);
    @fputs($fs, $http_request);
    @fclose($fs);
    }
    return $result;
}



if (!empty($HTTP_POST_VARS['trackback_url'])) {
    $excerpt = (strlen(strip_tags($content)) > 255) ? substr(strip_tags($content), 0, 252).'...' : strip_tags($content);
    $excerpt = stripslashes($excerpt);
    $trackback_urls = explode(',', $HTTP_POST_VARS['trackback_url']);
    foreach($trackback_urls as $tb_url) {
       $tb_url = trim($tb_url);
       trackback($tb_url, stripslashes($post_title), $excerpt, $post_ID);
    }
}

echo("<meta http-equiv='Refresh' content='0; URL=track_test.php'>");
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