function checkUser($user, $pass) {
$fp = fopen("filename", "r");
$auth = false;
while (!feof($fp)) {
$parts = explode("||:|:||", trim(fgets($fp, 1024)));
if ($parts[0] == substr(crypt($user, "mn"), 2)) {
if ($parts[1] == substr(crypt($pass, "jh"), 2)) {
$auth = true;
break;
}
}
}
fclose($fp);
return $auth;
}
function addUser($user, $pass, $email) {
$fp = fopen("filename", "r");
$user = substr(crypt(trim($user), "mn"), 2);
while (!feof($fp)) {
$parts = explode("||:|:||", trim(fgets($fp, 1024)));
if ($parts[0] == $user) {
return 0;
exit;
}
}
fclose($fp);
$fp = fopen("filename", "a");
$pass = substr(crypt(trim($pass), "jh"), 2);
$email = trim($email);
$string = $user."||:|:||".$pass."||:|:||".$email."\n";
fwrite ($fp, $string);
fclose($fp);
return 1;
}
function findUser($user) {
$fp = fopen("filename", "r");
$found = false;
$i = 0;
while (!feof($fp)) {
$parts = explode("||:|:||", trim(fgets($fp, 1024)));
if ($parts[0] == substr(crypt($user, "mn"), 2)) {
print ("User $user found at line $i:
$parts[0]
$parts[1]
$parts[2]");
break;
}
$i++;
}
}
function deleteUser($user) {
$user = substr(crypt(trim($user), "mn"), 2);
$newfile[0] = "";
$content = file("");
$i = 0;
for(; $i < count($content); $i++) {
$parts = explode("||:|:||", trim($content[$i]));
if (!$parts[0] == $user) {
$newfile[$i] = $content[$i];
}
}
$fp = fopen("filename", "w")
or die ("Could not open file for writing");
for ($i = 0; $i < count($newfile); $i++) {
fwrite($fp, $newfile[$i]."\n");
}
fclose ($fp);
}
?>