src/History/BucketLevel.php
public function getUniqueBucketHashes()
    {
        $hashes = [];

        if ($this->curr != self::HASH_EMPTY) $hashes[] = $this->curr;
        if ($this->snap != self::HASH_EMPTY) $hashes[] = $this->snap;

        return array_values(array_unique($hashes));
    }
public function getUniqueBucketHashes()
    {
        $hashes = [];

        if ($this->curr != self::HASH_EMPTY) $hashes[] = $this->curr;
        if ($this->snap != self::HASH_EMPTY) $hashes[] = $this->snap;

        return array_values(array_unique($hashes));
    }
Returns an array of unique sha256 hashes in this bucket level

@return array