Code Duplication    Length = 13-13 lines in 2 locations

src/Arr.php 2 locations

@@ 45-57 (lines=13) @@
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     *
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     * @param array $items
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     */
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    public static function deepFlatten(array $items): array
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    {
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        $result = [];
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        foreach ($items as $item) {
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            if (!\is_array($item)) {
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                $result[] = $item;
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            } else {
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                array_push($result, ...self::deepFlatten($item));
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            }
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        }
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        return $result;
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    }
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    /**
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     * Returns a new array with n elements removed from the left.
@@ 103-115 (lines=13) @@
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     *
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     * @param array $items
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     */
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    public static function flatten(array $items): array
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    {
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        $result = [];
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        foreach ($items as $item) {
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            if (!\is_array($item)) {
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                $result[] = $item;
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            } else {
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                array_push($result, ...array_values($item));
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            }
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        }
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        return $result;
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    }
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    /**
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     * Groups the elements of an array based on the given function.