debug

include/condorcet/src/Constraints/NoTie.php

@@ -0,0 +1,30 @@
+<?php
+/*
+    Condorcet PHP - Election manager and results calculator.
+    Designed for the Condorcet method. Integrating a large number of algorithms extending Condorcet. Expandable for all types of voting systems.
+
+    By Julien Boudry and contributors - MIT LICENSE (Please read LICENSE.txt)
+    https://github.com/julien-boudry/Condorcet
+*/
+
+declare(strict_types=1);
+
+namespace CondorcetPHP\Condorcet\Constraints;
+
+use CondorcetPHP\Condorcet\{Election, Vote, VoteConstraintInterface};
+
+class NoTie implements VoteConstraintInterface
+{
+    public static function isVoteAllow(Election $election, Vote $vote): bool
+    {
+        $voteRanking = $vote->getContextualRankingWithoutSort($election);
+
+        foreach ($voteRanking as $oneRank) {
+            if (\count($oneRank) > 1) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}