Sudoku/index.php

45 lines
1.4 KiB
PHP
Executable File

<?php
require("classes.php");
$fullUrl = $_SERVER["REQUEST_SCHEME"]."://".$_SERVER["HTTP_HOST"].$_SERVER["DOCUMENT_URI"];
$dirUrl = dirname($fullUrl);
$currentGrid = strip_tags($_SERVER['QUERY_STRING']);
if (preg_match("/^[1-9-]{81}$/", $currentGrid)) {
session_id($currentGrid);
session_start(["use_cookies" => false]);
if (!array_key_exists("nbSolutions", $_SESSION)) {
$grid = new Grid($currentGrid);
$_SESSION["nbSolutions"] = $grid->containsDuplicates() ? -1 : $grid->countSolutions(2);
}
switch($_SESSION["nbSolutions"]) {
case -1:
$warning = "Cette grille contient des doublons.";
break;
case 0:
$warning = "Cette grille n'a pas de solution.";
break;
case 1:
break;
default:
$warning = "Cette grille a plusieurs solutions.";
}
require("sudoku.php");
} else {
if ($currentGrid) {
require("400.php");
} else {
$grid = new Grid();
$gridAsString = $grid->toString();
$newGridUrl = "$dirUrl/?$gridAsString";
session_id($gridAsString);
session_start(["use_cookies" => false]);
$_SESSION["nbSolutions"] = 1;
header("Location: $newGridUrl");
}
}
?>