ParagonIE_Sodium_Core32_BLAKE2b::store64( SplFixedArray $x, int $i, ParagonIE_Sodium_Core32_Int64 $u ): void

167    public static function store64(SplFixedArray $x, $i, ParagonIE_Sodium_Core32_Int64 $u)168    {169        $v = clone $u;170        $maxLength = $x->getSize() - 1;171        for ($j = 0; $j < 8; ++$j) {172            $k = 3 - ($j >> 1);173            $x[$i] = $v->limbs[$k] & 0xff;174            if (++$i > $maxLength) {175                return;176            }177            $v->limbs[$k] >>= 8;178        }179    }