mirror of https://github.com/rectorphp/rector.git
27 lines
636 B
PHP
27 lines
636 B
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Naming\PhpArray;
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final class ArrayFilter
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{
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/**
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* @param mixed[] $values
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* @return string[]
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*/
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public function filterWithAtLeastTwoOccurences(array $values) : array
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{
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/** @var array<string, int> $valueToCount */
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$valueToCount = \array_count_values($values);
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$duplicatedValues = [];
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foreach ($valueToCount as $value => $count) {
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/** @var int $count */
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if ($count < 2) {
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continue;
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}
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$duplicatedValues[] = $value;
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}
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return $duplicatedValues;
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}
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}
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