decision-support-system/index.php at main · ray-ang/decision-support-system · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <title>Decision Support System</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
    <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.min.js" integrity="sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s" crossorigin="anonymous"></script>
</head>
<body>

<div class="container" style="padding: 30px;">
    <h2 style="margin-bottom: 30px;">Decision Support System</h3>
    <div class="row">
        <div class="col-md">
<?php
$root_1 = 'R1'; // Main root
$root_node = $root_1; // Set root node
?>
<?php if ($root_node == $root_1) : ?>
	<?php if (! isset($_POST['submit'])) : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            <form method="post">
	                <div class="form-group">
	                    <label>What is your answer to Question 1?</label>
	                    <select class="form-control" id="<?= $root_node ?>" name="<?= $root_node ?>" required>
	                        <option disabled selected></option>
	                        <option value="1">Yes</option>
	                        <option value="2">No</option>
	                    </select>
	                </div>
	                <button type="submit" class="btn btn-primary" name="submit">Submit</button>
	            </form>
	<?php elseif ($_POST[$root_node] == "1") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            <form method="post">
	                <div class="form-group">
	                    <label>Your previous answer is Yes.<br />
	                    What is your answer to Question 2?</label>
	                    <select class="form-control" id="<?= $root_node ?>-1" name="<?= $root_node ?>-1" required>
	                        <option disabled selected></option>
	                        <option value="1">Yes</option>
	                        <option value="2">No</option>
	                    </select>
	                </div>
	                <button type="submit" class="btn btn-primary" name="submit">Submit</button>
	            </form>
	<?php elseif ($_POST[$root_node] == "2") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            <form method="post">
	                <div class="form-group">
	                    <label>Your previous answer is No.<br />
	                    What is your answer to Question 2?</label>
	                    <select class="form-control" id="<?= $root_node ?>-2" name="<?= $root_node ?>-2" required>
	                        <option disabled selected></option>
	                        <option value="1">Yes</option>
	                        <option value="2">No</option>
	                    </select>
	                </div>
	                <button type="submit" class="btn btn-primary" name="submit">Submit</button>
	            </form>
	<?php elseif ($_POST[$root_node . '-1'] == "1") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            <form method="post">
	                <div class="form-group">
	                <label>Your previous answer is Yes.<br />
	                What is your answer to Question 3?</label>
	                <select class="form-control" id="<?= $root_node ?>-1-1" name="<?= $root_node ?>-1-1" required>
	                    <option disabled selected></option>
	                    <option value="1">Yes</option>
	                    <option value="2">No</option>
	                </select>
	                </div>
	                <button type="submit" class="btn btn-primary" name="submit">Submit</button>
	            </form>
	<?php elseif ($_POST[$root_node . '-1'] == "2") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            <form method="post">
	                <div class="form-group">
	                <label>Your previous answer is No.<br />
	                What is your answer to Question 3?</label>
	                <select class="form-control" id="<?= $root_node ?>-1-2" name="<?= $root_node ?>-1-2" required>
	                    <option disabled selected></option>
	                    <option value="1">Yes</option>
	                    <option value="2">No</option>
	                </select>
	                </div>
	                <button type="submit" class="btn btn-primary" name="submit">Submit</button>
	            </form>
	<?php elseif ($_POST[$root_node . '-2'] == "1") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            <form method="post">
	                <div class="form-group">
	                <label>Your previous answer is Yes.<br />
	                What is your answer to Question 3?</label>
	                <select class="form-control" id="<?= $root_node ?>-2-1" name="<?= $root_node ?>-2-1" required>
	                    <option disabled selected></option>
	                    <option value="1">Yes</option>
	                    <option value="2">No</option>
	                </select>
	                </div>
	                <button type="submit" class="btn btn-primary" name="submit">Submit</button>
	            </form>
	<?php elseif ($_POST[$root_node . '-2'] == "2") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            <form method="post">
	                <div class="form-group">
	                <label>Your previous answer is No.<br />
	                What is your answer to Question 3?</label>
	                <select class="form-control" id="<?= $root_node ?>-2-2" name="<?= $root_node ?>-2-2" required>
	                    <option disabled selected></option>
	                    <option value="1">Yes</option>
	                    <option value="2">No</option>
	                </select>
	                </div>
	                <button type="submit" class="btn btn-primary" name="submit">Submit</button>
	            </form>
	<?php elseif ($_POST[$root_node . '-1-1'] == "1") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is Yes.<br />
	            Your answer for Question 2 is Yes.<br />
	            Your answer for Question 3 is Yes.
	<?php elseif ($_POST[$root_node . '-1-1'] == "2") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is Yes.<br />
	            Your answer for Question 2 is Yes.<br />
	            Your answer for Question 3 is No.
	<?php elseif ($_POST[$root_node . '-1-2'] == "1") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is Yes.<br />
	            Your answer for Question 2 is No.<br />
	            Your answer for Question 3 is Yes.
	<?php elseif ($_POST[$root_node . '-1-2'] == "2") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is Yes.<br />
	            Your answer for Question 2 is No.<br />
	            Your answer for Question 3 is No.
	<?php elseif ($_POST[$root_node . '-2-1'] == "1") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is No.<br />
	            Your answer for Question 2 is Yes.<br />
	            Your answer for Question 3 is Yes.
	<?php elseif ($_POST[$root_node . '-2-1'] == "2") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is No.<br />
	            Your answer for Question 2 is Yes.<br />
	            Your answer for Question 3 is No.
	<?php elseif ($_POST[$root_node . '-2-2'] == "1") : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is No.<br />
	            Your answer for Question 2 is No.<br />
	            Your answer for Question 3 is Yes.
	<?php // elseif ($_POST[$root_node . '-2-2'] == "2") : ?>
	            <!-- <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Your answer for Question 1 is No.<br />
	            Your answer for Question 2 is No.<br />
	            Your answer for Question 3 is No. -->
	<?php else : ?>
	            <script>document.cookie = 'root=<?= $root_1 ?>';</script>
	            Sorry. No leaf node for this particular branch node.
	<?php endif ?>
<?php endif ?>
        </div>
        <div class="col-md"></div>
    </div>
</div>

</body>
</html>