$db = mysql_query ("SELECT `id` FROM `db` WHERE `определенная ячейка`='значение'");
if ($f=mysql_fetch_array($db)):
$id=$f['id'];
$db=mysql_query ("SELECT * FROM `db` WHERE `id'>$id LIMIT 10 ");
if ($count=mysql_num_rows($db)):
for ($i=0;$i<$count;$i++):
$f = mysql_fetch_array($db);
//PROFIT, может работать с массивом результата
endfor;

else:
//Нету таких строк
endif;


else:
die ('Error, no text'); // Или другой вариант обработки
endif;

http://

function _LowerCase($var) {
return (($this->_RuLocale===NULL) || ($this->_RuLocale === FALSE)) ? $this->_strtolower($var):strtolower($var);
}

<?php
phpinfo()
?>

<?php
$remote_url=getenv ("REMOTE_ADDR");

echo $remote_url;
?>

...
$user['pass'] = $fm->user['pass'];
$user['mail'] = $fm->input['emailaddress'];
$user['showemail'] = $fm->_Boolean($fm->input,'showemail');
$user['www'] = $fm->input['homepage'];
$user['icq'] = $fm->input['icqnumber'];
$user['aim'] = $fm->input['aolname'];
$user['location'] = $fm->input['location'];
$user['interests'] = $fm->input['interests'];
$user['sig'] = $fm->input['signature'];
...
...
$fm->_Write($fp_user,$user);

$fm->_Write($fp_user,$user);

explode('=',$words);