fp = fopen ($filename,"r+");
$this->filename = $filename;
}
function existsUser ($usr_ID)
{
rewind($this->fp);
while (feof($this->fp) == 0)
{
$line = chop(fgets($this->fp,1000));]
$arr = split(":", $line);
if ($arr[0] == $usr_ID)
{
return 1;
}
else
{
return 0;
}
}
}
function getFileSize()
{
return (filesize($this->filename));
}
function write_temp ($contents)
{
echo "$contents
";
$temp_filename = tempnam ("/tmp", "php_");
echo "
$temp_filename
";
$temp_fp = fopen($temp_filename, w);
fwrite($temp_fp, $contents);
fclose($temp_fp);
fclose($this->fp);
copy ($temp_filename, $this->filename);
$this->fp = fopen($this->filename, "r+");
//unlink($temp_filename);
}
function addUser ($usr_ID, $usr_passwd)
{
rewind($this->fp);
$contents = fread($this->fp, $this->getFileSize());
echo "bevor $contents
";
$contents .= "$usr_ID:".crypt($usr_passwd)."\n";
echo "danach $contents
";
$this->write_temp($contents);
}
function deleteUser ($usr_ID)
{
$contents = "";
rewind($this->fp);
while (feof($this->fp) == 0)
{
$line = "";
$line = chop(fgets($this->fp,1000));
$arr = split(":", $line);
if ($arr[0] != $usr_ID)
{
echo $arr[0] ." ist nicht gleich ". $usr_ID;
$contents .= $line . "\n";
}
}
echo "
$contents
";
$contents = chop ($contents);
$contents .= "\n"; // kind a tricky
$this->write_temp($contents);
}
function updateUser ($usr_ID, $usr_passwd)
{
$this->deleteUser($usr_ID);
$this->addUser($usr_ID,$usr_passwd);
}
}
?>
Exemplo:
addUser($usr_ID, $usr_passwd);
//$pw->deleteUser($usr_ID);
$pw->updateUser($usr_ID, $usr_passwd);
?>