PHP Classes

PHP Sudoku Solver: Generate and solve Sudoku puzzles

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Not enough user ratingsTotal: 216 All time: 8,309 This week: 39Up
Version License PHP version Categories
sudoku-solver 1.0.0GNU Lesser Genera...5Algorithms, PHP 5, Games
Description 

Author

Samuel Adeshina

This class can senerate and solve Sudoku puzzles.

It takes a parameter that defines the size of the gride of a Sudoku puzzle that it will generate.

The class can render the generated Sudoku puzzle in an HTML table.

The class can also solve the puzzle determining the sequence of moves necessary to complete it.

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Example


<?php
/*
    Description: This test file stores the current game play (an array actually)
                    In a session variable, you could decide to use cookies,
                    html5 state saving or any method of keeping the current data in memory
                    that works best for you.

    Author: Samuel Adeshina

    Dependency: The sudoku.php class file bundled together with this file is required
                    run the test.php file in a browser to get a 'visual instance' of how this works
*/
    require_once("sudoku.php");
    SESSION_START();
    if (!isset($_GET["loc"]) || !isset($_GET["sudokutype"]) || !isset($_GET["startover"])
        || $_GET["sudokutype"] == '' || $_GET["startover"] == '' || $_GET["loc"] == ''
       )
        {
            $_GET["sudokutype"] = 9;
            $_GET["startover"] = "false";
            $_GET["loc"] = "a1";
        }
    $loc = $_GET["loc"];
    $startover = $_GET["startover"];
    $sudokType = $_GET["sudokutype"];
    $mySudoku = new sudoku($sudokType); //Instantiating the sudoku class with a grid size of whatever is in the variable: $sudokType
    if ($startover == "true")
    {
        if (isset($_SESSION["currentmoves"]))
        {
            unset($_SESSION["currentmoves"]);
        }
    }
    if (!isset($_SESSION["currentmoves"]) || !is_array($_SESSION["currentmoves"]))
    {
        $_SESSION["currentmoves"] = $mySudoku->_populateSubs(); //Populating the board
    }
    //echo "<center>Number Of Iterations For Current Play: ";
    $_SESSION["currentmoves"] = $mySudoku->_solveSudoku($loc, $_SESSION["currentmoves"]); //Generates the value of the grid with a name of : $loc ($loc could be a1, c4, i8 and so on)
    $mySudoku->_viewSudoku($_SESSION["currentmoves"]);
    if (in_array(-1, $_SESSION["currentmoves"]))
    {
        $index = array_search(-1, $_SESSION["currentmoves"]);
        $_SESSION["currentmoves"][$index] = '--'; //displays a custom character(s) in the grid incase the value cant be determined through brute force
    }
?>

  Files folder image Files (5)  
File Role Description
Accessible without login Plain text file jquery.js Data JQuery Library needed only fr testing
Accessible without login Plain text file LICENSE Lic. License File
Plain text file sudoku.php Class Main Class File
Accessible without login Plain text file test.php Aux. Contains A Sample Interface Design For A Working Sudoku Game
Accessible without login Plain text file testProcessor.php Example Contains the Logic for the test file

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Total:216
This week:0
All time:8,309
This week:39Up

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