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<?php
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declare(strict_types=1);
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use CondorcetPHP\Condorcet\{Condorcet, Election};
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use CondorcetPHP\Condorcet\Utils\CondorcetUtil;
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require_once __DIR__.'/../../__CondorcetAutoload.php';
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Condorcet::$UseTimer = true;
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$election = new Election;
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// Inluding Data
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require_once 'vote_data'.\DIRECTORY_SEPARATOR.'BasicVoteConf.php';
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\define('TEST_NAME', 'Condorcet Bonus Example');
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// View :
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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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<title><?php echo TEST_NAME; ?></title>
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<style>
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.votant {
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float: left;
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margin-right: 2cm;
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}
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</style>
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</head>
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<body>
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<header style="text-align:center;">
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<img src="../../condorcet-logo.png" alt="Condorcet Class" style="width:15%;">
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</header>
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<h1><?php echo TEST_NAME; ?></h1>
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<em style="font-weight:bold;"><a href="https://github.com/julien-boudry/Condorcet" target="_blank">Condorcet Class</a> version : <?php echo Condorcet::getVersion(); ?></em><br>
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<em>
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Number of Candidates :
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<?php echo $election->countCandidates(); ?>
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Number of votes :
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<?php echo $election->countVotes(); ?>
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</em>
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<h2>Candidates list :</h2>
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<ul>
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<?php
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foreach ($election->getCandidatesList() as $candidatName) {
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echo '<li>'.$candidatName.'</li>';
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}
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?>
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</ul>
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<h2>Registered votes details :</h2>
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<?php
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foreach ($election->getVotesList() as $vote) {
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echo '<div class="votant">';
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echo '<strong style="color:green;">'.implode(' / ', $vote->getTags()).'</strong><br>';
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echo '<ol>';
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foreach ($vote as $rank => $value) {
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if ($rank === 'tag') {
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continue;
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} ?>
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<li><?php echo implode(',', $value); ?></li>
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<?php
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}
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echo '</ol><br></div>';
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}
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?>
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<br><hr style="clear:both;">
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<h2>Get pairwise :</h2>
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<pre>
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<?php var_dump(CondorcetUtil::format($election->getPairwise())); ?>
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</pre>
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<br>
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<em style="color:green;">computed in <?php echo number_format($election->getLastTimer(), 5); ?> second(s).</em>
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<br><br><hr style="clear:both;">
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<h2>Winner by <a target="blank" href="http://en.wikipedia.org/wiki/Condorcet_method">natural Condorcet</a> :</h2>
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<strong style="color:green;">
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<?php
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if ($election->getWinner() !== null) {
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echo $election->getWinner();
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} else {
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echo '<span style="color:red;">The votes of this group do not allow natural Condorcet winner because of <a href="http://fr.wikipedia.org/wiki/Paradoxe_de_Condorcet" target="_blank">Condorcet paradox</a>.</span>';
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}
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?>
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</strong>
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<h2>Loser by <a target="blank" href="http://en.wikipedia.org/wiki/Condorcet_method">natural Condorcet</a> :</h2>
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<strong style="color:green;">
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<?php
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if ($election->getLoser() !== null) {
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echo $election->getLoser();
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} else {
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echo '<span style="color:red;">The votes of this group do not allow natural Condorcet loser because of <a href="http://fr.wikipedia.org/wiki/Paradoxe_de_Condorcet" target="_blank">Condorcet paradox</a>.</span>';
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}
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?>
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</strong>
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<br><br><hr>
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<h2>Some pratices about default method :</h2>
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<h3>Use default method :</h3>
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<strong>Defaut:</strong> <?php echo Condorcet::getDefaultMethod(); ?> <br>
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<pre>
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<?php var_dump(CondorcetUtil::format($election->getResult())); ?>
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</pre>
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<h3>Change it to MiniMax_Margin :</h3>
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<?php Condorcet::setDefaultMethod('Minimax_Margin'); ?>
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<strong>Defaut:</strong> <?php echo Condorcet::getDefaultMethod(); ?> <br>
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<pre>
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<?php var_dump(CondorcetUtil::format($election->getResult())); ?>
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</pre>
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<br><br><hr>
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<h2>Vote manipulation :</h2>
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<h3>Display votes with tag "custom_tag_One"</h3>
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<?php
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foreach ($election->getVotesList('custom_tag_One', true) as $vote) {
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echo '<div class="votant">';
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echo '<strong style="color:green;">'.implode(' / ', $vote->getTags()).'</strong><br>';
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echo '<ol>';
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foreach ($vote as $rank => $value) {
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if ($rank === 'tag') {
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continue;
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} ?>
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<li><?php echo implode(',', $value); ?></li>
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<?php
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}
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echo '</ol><br></div>';
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}
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?>
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<div style="clear:both;"></div>
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<h3>Or without with tag "custom_tag_Two"</h3>
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<?php
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foreach ($election->getVotesList('custom_tag_Two', false) as $vote) {
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echo '<div class="votant">';
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echo '<strong style="color:green;">'.implode(' / ', $vote->getTags()).'</strong><br>';
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echo '<ol>';
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foreach ($vote as $rank => $value) {
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if ($rank === 'tag') {
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continue;
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} ?>
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<li><?php echo implode(',', $value); ?></li>
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<?php
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}
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echo '</ol><br></div>';
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}
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?>
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<div style="clear:both;"></div>
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<h3>Get a ranking without "custom_tag_One" & "custom_tag_Two" tags and display Kemeny-Young result but don't delete it</h3>
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<pre>
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<?php
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$options = [
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'tags' => ['custom_tag_One', 'custom_tag_Two'],
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'withTag' => false,
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];
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var_dump(CondorcetUtil::format($election->getResult('KemenyYoung', $options))); ?>
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</pre>
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<div style="clear:both;"></div>
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<h3>Delete vote with "custom_tag_One" & "custom_tag_Two" tags and display Kemeny-Young result</h3> <?php // you can also delete vote without this tag, read the doc ( tips: removeVotesByTags('custom_tag_One', false) )?>
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<?php
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$election->removeVotesByTags(['custom_tag_One', 'custom_tag_Two']);
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?>
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<pre>
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<?php var_dump(CondorcetUtil::format($election->getResult('KemenyYoung'))); ?>
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</pre>
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<h3>Check the new vote list</h3>
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<?php
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foreach ($election->getVotesList() as $vote) {
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echo '<div class="votant">';
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echo '<strong style="color:green;">'.implode(' / ', $vote->getTags()).'</strong><br>';
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echo '<ol>';
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foreach ($vote as $rank => $value) {
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if ($rank === 'tag') {
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continue;
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} ?>
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<li><?php echo implode(',', $value); ?></li>
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<?php
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}
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echo '</ol><br></div>';
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}
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?>
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<div style="clear:both;"></div>
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<br><br><hr>
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<!-- <h4>CondorcetUtil::format (for debug only) :</h4>
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<pre>
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<?php // CondorcetUtil::format($election);?>
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</pre> -->
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</body>
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</html>
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