エラー処理は省いてます
<?php
$db=mysql_connect("localhost","***",***);
mysql_select_db(bbs);
if($name&&$msg)
{
$msg=ereg_replace("\r\n|\r|\n","<BR>\n","$msg");
mysql_query("insert into bbs values(now(),'$name','$msg')");
}
$hoge="select * from bbs order by time desc";
$sql=mysql_query($hoge);
while($array=mysql_fetch_array($sql))
{
print("投稿者：$array[name] 　投稿時刻：$array[time]<BR>");
print("<BR>$array[msg]<HR>");
}