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