90 lines
3.2 KiB
PHP
90 lines
3.2 KiB
PHP
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<?php
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declare(strict_types=1);
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/* NO INTERFACE here, see html examples for it */
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# Quick tour of the main features of Condorcet PHP
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// I - Install
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use CondorcetPHP\Condorcet\{Candidate, Election, Vote};
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$firstPart = '';
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/* THE FOLLOWING CODE IS LIVE FOLLOWING THE FIRST PART EXPRESSED IN THE PREVIOUS FILE "1. Overview.php" */
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require_once __DIR__.'/1. Overview.php';
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// VI - Play with Condorcet objects (Advanced)
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// Create a second election
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$election2 = new Election;
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// Create three candidate : 'A', 'B' and 'C'
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for ($i = 0; $i < 3; $i++) {
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$election2->addCandidate();
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}
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# Same candidate in multiple elections
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// Add two participating candidates from $election1
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$election2->addCandidate($election1->getCandidateObjectFromName('Debussy'));
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$election2->addCandidate($myLutoCandidate);
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// And, I can change again theirs name. The new name is now applied in the two elections and their votes. If namesake in another election, an exception is throw.
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$myLutoCandidate->setName('W.Lutoslawski');
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// Have a look on $myLutoCandidate history
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$myLutoCandidate->getHistory();
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// Have a look to a vote from $election1. The candidate name have changed.
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$myVote4->getContextualRanking($election1, true);
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// In what elections, this candidates have a part ?
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$myLutoCandidate->getLinks(); // Get his the two Election objects
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$myLutoCandidate->countLinks(); // Or just count it. return (int) 2.
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# The same vote applied to multiple elections.
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$myNewVote = new Vote([
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1 => $election1->getCandidateObjectFromName('Debussy'),
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2 => $election2->getCandidateObjectFromName('A'),
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3 => $election1->getCandidateObjectFromName('Olivier Messiaen'),
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4 => $election2->getCandidateObjectFromName('B'),
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5 => $election1->getCandidateObjectFromName('Koechlin'),
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6 => $election1->getCandidateObjectFromName('W.Lutoslawski'),
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7 => new Candidate('Another candidate'), // This one does not takes part in any of two elections.
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8 => $election1->getCandidateObjectFromName('Caplet'),
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9 => $election2->getCandidateObjectFromName('C'),
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]);
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// Add it on election 1 and 2
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$election1->addVote($myNewVote);
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$election2->addVote($myNewVote);
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// Check ranking
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$myNewVote->getRanking(); // Here you get the original 9 ranks.
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// Check ranking
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$myNewVote->getContextualRanking($election1); // Here you get the vote applicable to $election 1
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$myNewVote->getContextualRanking($election2); // Here you get the vote applicable to $election 2
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// In what election, this candidates have a part ?
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$myNewVote->getLinks(); // Get Condorcet objects
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$myNewVote->countLinks(); // Or just count it
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// Now we can change vote ranking. result from all election will be affected.
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$myNewVote->setRanking([
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1 => $election2->getCandidateObjectFromName('B'),
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2 => $election1->getCandidateObjectFromName('Koechlin'),
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3 => $election1->getCandidateObjectFromName('W.Lutoslawski'),
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]);
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# Get Ranking history
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$myNewVote->getHistory();
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print 'Success!
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Process in: '. round(microtime(true) - $start_time, 3) . 's';
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