<?php
echo "Next pass is " . getNextPass('vzbxkghb') . "\n";
function getNextPass($current)
{
//Lazy solution - loop over each and check it's valid
$current++;
while (!valid($current)) {
$current++;
}
return $current;
}
function valid($pass)
{
if (preg_match('/i|o|l/', $pass)) {
return false;
}
if (!preg_match('/(.)\\1.*(.)\\2/', $pass)) {
return false;
}
$prev = -1;
$straightLen = 1;
for ($x = 0; $x < strlen($pass); $x++) {
$cur = substr($pass, $x, 1);
$prev++;
if ($cur == $prev) {
$straightLen++;
if ($straightLen >= 3) {
return true;
}
} else {
<?php
echo "Next pass is " . getNextPass('vzbxxyzz') . "\n";
function getNextPass($current)
{
//Lazy solution - loop over each and check it's valid
$current++;
while (!valid($current)) {
$current++;
}
return $current;
}
function valid($pass)
{
if (preg_match('/i|o|l/', $pass)) {
return false;
}
if (!preg_match('/(.)\\1.*(.)\\2/', $pass)) {
return false;
}
$prev = -1;
$straightLen = 1;
for ($x = 0; $x < strlen($pass); $x++) {
$cur = substr($pass, $x, 1);
$prev++;
if ($cur == $prev) {
$straightLen++;
if ($straightLen >= 3) {
return true;
}
} else {
