<?php
//$code=file_get_contents('http://wvw.ranwen.com/info_24983.html');
$code=file_get_contents('http://wvw.ranwen.com/info_41974.html');
if (preg_match('/<div id="CrbsSum">.*<br \/>\s*((.|\n)+?)<\/div>/i', $code,$tmp)){
    print_r($tmp);
}else{
    echo 'wasd';
}