function blog_trackback_send($ping_urls, $blogentry_id, $blogentry_title, &$blogentry_body)
{
global $database, $user, $url, $setting;
// Trackback class
$trackback = new Trackback($user->user_displayname . "'s Blog", $user->user_displayname, "UTF-8");
// Prepare data
$blogentry_excerpt = strlen($blogentry_body) > 255 ? substr($blogentry_body, 0, 254) : $blogentry_body;
$blogentry_url = $url->url_create('blog_entry', $user->user_info['user_username'], $blogentry_id);
// Allow multiple trackbacks
if (!is_array($ping_urls)) {
$ping_urls = array($ping_urls);
}
// Detect trackbacks
if ($user->level_info['level_blog_trackbacks_detect']) {
$detected_trackback_urls = $trackback->auto_discovery($blogentry_body);
$ping_urls = array_merge($ping_urls, $detected_trackback_urls);
}
$ping_urls = array_unique(array_filter($ping_urls));
// Ping the trackback urls (and generate ping log query)
$sql = "INSERT INTO se_blogpings (blogping_blogentry_id, blogping_target_url, blogping_source_url, blogping_status, blogping_type, blogping_ip) VALUES ";
$isFirst = TRUE;
$trackback_results = array();
foreach ($ping_urls as $ping_url) {
$tb_result = $trackback->ping($ping_url, $blogentry_url, $blogentry_title, $blogentry_excerpt);
if ($tb_result == "1") {
$trackback_results[$ping_url] = "Could not connect";
} elseif ($tb_result == "2") {
$trackback_results[$ping_url] = "Success";
} elseif ($tb_result == "3") {
$trackback_results[$ping_url] = "An error occurred";
} else {
$trackback_results[$ping_url] = "An unknown error has occurred";
}
if (!$isFirst) {
$sql .= ',';
}
$sql .= "('{$blogentry_id}', '" . $database->database_real_escape_string($ping_url) . "', '" . $database->database_real_escape_string($_SERVER['REQUEST_URI']) . "', 1, 1, '{$_SERVER['REMOTE_ADDR']}')";
$isFirst = FALSE;
}
if (!$isFirst) {
$resource = $database->database_query($sql);
}
return array('result' => TRUE, 'trackback_results' => $results);
}
