function Add($login,$pass)
{
global $file;
$fp=fopen($file,\'a\') or die("Can\'t open file $file");
fwrite($fp,"$login^$pass",strlen("$login^$pass"));
}
function Remove($login)
{
global $file;
$data=file($file);
foreach($data as $key=>$line)
if (preg_match(\'/^$login\\^/\',$line)) unset($data[$key]);
$data=implode("\\n",$data);
$fp=fopen($file,\'w\');
fwrite($fp,$data,strlen($data));
}
function Change($oldlogin,$newlogin,$newpassword)
{
global $file;
$data=file($file);
foreach($data as $key=>$line)
if (preg_match(\'/^$oldlogin\\^/\',$line)) $data[$key]="$newlogin^$newpassword";
$data=implode("\\n",$data);
$fp=fopen($file,\'w\');
fwrite($fp,$data,strlen($data));
}