102 lines
3.3 KiB
PHP
102 lines
3.3 KiB
PHP
<?php
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$gridStr = basename(strip_tags($_SERVER["REQUEST_URI"]));
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// URL contains grid
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if (preg_match("#^[1-9?]{81}$#", $gridStr)) {
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width" />
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<title>Sudoku</title>
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<link rel="stylesheet" type="text/css" href="style.css" />
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<script type="text/javascript" src="sudoku.js"></script>
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</head>
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<body>
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<header>
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<h1>Sudoku</h1>
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</header>
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<form id="sudokuForm">
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<div>
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<table id="grid">
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<?php
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for ($row = 0; $row < 9; $row++) {
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?>
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<tr>
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<?php
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for ($column = 0; $column < 9; $column++) {
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switch($row%3) {
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case 0: $classRegionRow = "regionTop"; break;
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case 1: $classRegionRow = "regionMiddle"; break;
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case 2: $classRegionRow = "regionBottom"; break;
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}
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switch($column%3) {
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case 0: $classRegionColumn = "regionLeft"; break;
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case 1: $classRegionColumn = "regionCenter"; break;
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case 2: $classRegionColumn = "regionRight"; break;
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}
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$value = $gridStr[9*$row+$column];
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if ($value == "?") {
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$value = "";
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$readonly = "";
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} else {
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$readonly = "readonly='true'";
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}
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echo " <td class='$classRegionRow $classRegionColumn'><input type='text' inputmode='numeric' minlength=0 maxlength=1 value='$value' $readonly /></td>";
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}
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?>
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</tr>
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<?php
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}
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?>
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</table>
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</div>
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<div id="buttons">
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<?php
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for($value=1; $value<=9; $value++) {
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echo "<button type='button' onclick='showValue(this)'>$value</button>";
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}
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?>
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</div>
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<div>
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<button type="reset">Tout effacer</button>
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</div>
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</form>
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<div id=help>
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Remplissez la grille de sorte que chaque ligne, colonne et région (carré de 3×3 cases) contienne tous les chiffres de 1 à 9.
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</div>
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<div id=links>
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<a href="">Lien vers cette grille</a><br/>
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<a href=".">Nouvelle grille</a>
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</div>
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</body>
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</html>
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<?php
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} else {
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header("HTTP/1.0 400 Bad Request", true, 400);
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width" />
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<title>Grille incorrecte</title>
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<link rel="stylesheet" type="text/css" href="style.css" />
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</head>
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<body>
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<header>
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<h1>Grille incorrecte</h1>
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</header>
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L'adresse URL doit être de la forme : <?=$_SERVER["REQUEST_SCHEME"]?>://<?=$_SERVER["HTTP_HOST"] . dirname($_SERVER["DOCUMENT_URI"])?>/<em>grille</em>,<br/>
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<em>grille</em> étant une suite de 81 caractères représentant la grille de gauche à droite puis de haut en bas, soit :
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<ul>
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<li>un chiffre entre 1 et 9 pour les cases connues</li>
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<li>? pour les case vides</li>
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</ul>
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<a href=".">Cliquez ici pour générer une nouvelle grille</a>
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</body>
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</html>
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<?php
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}
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?>
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