58 lines
1.7 KiB
PHP
58 lines
1.7 KiB
PHP
<?php
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/*
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Condorcet PHP - Election manager and results calculator.
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Designed for the Condorcet method. Integrating a large number of algorithms extending Condorcet. Expandable for all types of voting systems.
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By Julien Boudry and contributors - MIT LICENSE (Please read LICENSE.txt)
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https://github.com/julien-boudry/Condorcet
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*/
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declare(strict_types=1);
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namespace CondorcetPHP\Condorcet\Utils;
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use CondorcetPHP\Condorcet\Dev\CondorcetDocumentationGenerator\CondorcetDocAttributes\Throws;
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use CondorcetPHP\Condorcet\Throwable\VoteInvalidFormatException;
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// Base Condorcet class
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abstract class VoteUtil
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{
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#[Throws(VoteInvalidFormatException::class)]
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public static function tagsConvert(array|string|null $tags): ?array
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{
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if (empty($tags)) {
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return null;
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} elseif (\is_string($tags)) {
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$tags = explode(',', $tags);
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} else {
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foreach ($tags as $tag) {
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if (!\is_string($tag)) {
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throw new VoteInvalidFormatException('every tag must be of type string, ' . \gettype($tag) . ' given');
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}
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}
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}
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$tags = array_map(static fn (string $x): string => trim($x), $tags);
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foreach ($tags as $tag) {
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if (empty($tag)) {
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throw new VoteInvalidFormatException('found empty tag');
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}
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}
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return $tags;
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}
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public static function getRankingAsString(array $ranking): string
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{
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foreach ($ranking as &$rank) {
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if (\is_array($rank)) {
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sort($rank);
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$rank = implode(' = ', $rank);
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}
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}
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return implode(' > ', $ranking);
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}
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}
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