Sudoku/index.php

40 lines
1.3 KiB
PHP

<?php
require("classes.php");
global $sudokuGridSolutions;
if (!isset($sudokuGridSolutions)) $sudokuGridSolutions = array();
$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}$/", $currentGrid)) {
if (!array_key_exists($currentGrid, $sudokuGridSolutions)) {
$grid = new Grid($currentGrid);
$sudokuGridSolutions[$currentGrid] = $grid->containsDuplicates() ? -1 : $grid->countSolutions(2);
}
switch($sudokuGridSolutions[$currentGrid]) {
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 {
$grid = new Grid();
$gridAsString = $grid->toString();
$newGridUrl = "$dirUrl/?$gridAsString";
$sudokuGridSolutions[$gridAsString] = 1;
if ($currentGrid) {
require("400.php");
} else {
header("Location: $newGridUrl");
}
}
?>