$g_repl = "Google echo: ".file_get_contents("http://blogsearch.google.com/ping?name=".urlencode("Новое сообщение")."&url=".urlencode($fm->exbb['boardurl']."/topic.php?forum=$forum_id&topic=$topic_id&postid=$last_key#$last_key"));

function youtube($matches) {
$title = ($matches[2] !== '') ? '<b>'.$matches[2].'</b><br>' : '';
return $title.'<object width="425" height="344"><param name="movie" value="https://www.youtube.com/v/'.$matches[3].'&hl=ru&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="https://www.youtube.com/v/'.$matches[3].'&hl=ru&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><br>';
}

function youtube($matches) {
$title = ($matches[2] !== '') ? '<b>'.$matches[2].'</b><br />' : '';
return $title.'<iframe width="425" height="344" src="https://www.youtube.com/embed/'.$matches[3].'" frameborder="0" allowfullscreen></iframe><br />';
}