$key = array();
$val = array();
foreach ($_POST as $k=>$v)
{
$key[] = ‘`‘.strip_tags(mysql_real_escape_string(trim($k))).‘`‘;
$val[] = "‘".strip_tags(mysql_real_escape_string(trim($v)))."‘";
}
$keys = join(",",$key);
$vals = join(",",$val);
php join函数应用
原文：http://www.jb51.net/article/27036.htm
