Retrieves exposent by note index

@param Integer $noteIndex
@return Sting | Null
488281
private function getExposent($noteIndex)
    {
        $footNote = $this->getFootNote($noteIndex);
        if (empty($footNote)) {
            return null;
        }

        return $footNote;
    }
649457
public function peekNextToken() {
		if ($this->index < (count($this->tokens) - 1)) {
			return $this->tokens[$this->index + 1];
		} else {
			return null;
		}
	}
280691
public function getRecord($index) {
        if (!$this->isValid()) {
            throw new Exception('File is not opened', Exception::FILE_NOT_OPENED);
        }
        if (!$this->offsetExists($index)) {
            throw new Exception('Offset '.strval($index).' does not exists', Exception::INVALID_OFFSET);
        }
        if (isset($this->buffer[$index])) {
            return $this->buffer[$index];
        }
        $this->buffer = $this->getFormat()->getRecords($index, $this->getBufferSize());
        return $this->buffer[$index];
    }
835506
public function getClientId($orderIndex = 0)
    {
        $bindingInfo = $this->getBindingInfo($orderIndex);
        return array_key_exists('clientId', $bindingInfo) ? $bindingInfo['clientId'] : null;
    }
1053217
public function getIndex($indexname) {
        $i = $this->findIndexInArray($indexname);
        if ($i !== null) {
            return $this->indexes[$i];
        }
        return null;
    }
1016317
public function getAttribute(int $index) : ?Node
    {
        return isset($this->attributes[$index]) ? $this->attributes[$index] : null;
    }
263094
public function getAmount($orderIndex = 0)
    {
        $orderStatuses = $this->getOrderStatuses();
        return array_key_exists('amount', $orderStatuses[$orderIndex]) ? $orderStatuses[$orderIndex]['amount'] : null;
    }
1216942
public function getRow($rowIndex)
    {
        //check whether worksheet name is set or not
        if ($this->worksheetName == '')
            throw new Exception('Worksheet name not specified');
        $strURI = Product::$baseProductUri . '/cells/' . $this->getFileName() .
            '/worksheets/' . $this->worksheetName . '/cells/rows/' . $rowIndex;
        $signedURI = Utils::sign($strURI);
        $responseStream = Utils::processCommand($signedURI, 'GET', '', '');
        $json = json_decode($responseStream);
        return $json->Row;

    }
262759
public function offsetGet($index)
    {
        foreach ((array)$this as $i => $element) {
            $i = (string)$i;
            if (is_string($element)) {
                continue;
            }
            if ($element->getElement()->getValue() == $index) {
                return $element;
            }
        }
        return parent::offsetGet($index);
    }
1332547
public function &Row($RowIndex) {
		$Result = &$this->Result();
      if(isset($Result[$RowIndex]))
			return $Result[$RowIndex];
      return $this->_EOF;
   }
407675
public function getName($index = null)
    {
        $type = $this->getType($index);
        return is_int($type) ? token_name($type) : null;
    }
1152716
public function getOrderStatus($orderIndex = 0)
    {
        $orderStatuses = $this->getOrderStatuses();
        return array_key_exists('orderStatus', $orderStatuses[$orderIndex])
            ? $orderStatuses[$orderIndex]['orderStatus'] : null;
    }
36762
public function get($index)
    {
        if (\array_key_exists($index, $this->arrCollection)) {
            return $this->arrCollection[$index];
        }

        return null;
    }
1105235
public function item(int $index)
    {
        return $this->offsetExists($index) ? $this->offsetGet($index) : null;
    }
619576
public function getMerchantOrderParamName($orderIndex = 0, $paramIndex = 0)
    {
        $orderParam = $this->getMerchantOrderParams($orderIndex);
        return array_key_exists('name', $orderParam[$paramIndex]) ? $orderParam[$paramIndex]['name'] : null;
    }
1159828
public function get($index)
	{
		return array_slice($this->items, $index * $this->itemsPerPage, $this->itemsPerPage);
	}
192771
public function get($index)
    {
        if (!$this->has($index)) {
            throw new Exception\UndefinedKeyException($index);
        }

        return $this->value[$index];
    }