/var/www/vhosts/bsbdokum.com.tr/httpdocs/app/Addition/PHPExcel/PHPExcel/CachedObjectStorage
Edit: /var/www/vhosts/bsbdokum.com.tr/httpdocs/app/Addition/PHPExcel/PHPExcel/CachedObjectStorage/APC.php (9548B)
currentCellIsDirty && !empty($this->currentObjectID)) {
$this->currentObject->detach();
if (!apc_store(
$this->cachePrefix . $this->currentObjectID . '.cache',
serialize($this->currentObject),
$this->cacheTime
)) {
$this->__destruct();
throw new PHPExcel_Exception('Failed to store cell ' . $this->currentObjectID . ' in APC');
}
$this->currentCellIsDirty = false;
}
$this->currentObjectID = $this->currentObject = null;
}
/**
* Add or Update a cell in cache identified by coordinate address
*
* @access public
* @param string $pCoord Coordinate address of the cell to update
* @param PHPExcel_Cell $cell Cell to update
* @return PHPExcel_Cell
* @throws PHPExcel_Exception
*/
public function addCacheData($pCoord, PHPExcel_Cell $cell)
{
if (($pCoord !== $this->currentObjectID) && ($this->currentObjectID !== null)) {
$this->storeData();
}
$this->cellCache[$pCoord] = true;
$this->currentObjectID = $pCoord;
$this->currentObject = $cell;
$this->currentCellIsDirty = true;
return $cell;
}
/**
* Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell?
*
* @access public
* @param string $pCoord Coordinate address of the cell to check
* @throws PHPExcel_Exception
* @return boolean
*/
public function isDataSet($pCoord)
{
// Check if the requested entry is the current object, or exists in the cache
if (parent::isDataSet($pCoord)) {
if ($this->currentObjectID == $pCoord) {
return true;
}
// Check if the requested entry still exists in apc
$success = apc_fetch($this->cachePrefix.$pCoord.'.cache');
if ($success === false) {
// Entry no longer exists in APC, so clear it from the cache array
parent::deleteCacheData($pCoord);
throw new PHPExcel_Exception('Cell entry '.$pCoord.' no longer exists in APC cache');
}
return true;
}
return false;
}
/**
* Get cell at a specific coordinate
*
* @access public
* @param string $pCoord Coordinate of the cell
* @throws PHPExcel_Exception
* @return PHPExcel_Cell Cell that was found, or null if not found
*/
public function getCacheData($pCoord)
{
if ($pCoord === $this->currentObjectID) {
return $this->currentObject;
}
$this->storeData();
// Check if the entry that has been requested actually exists
if (parent::isDataSet($pCoord)) {
$obj = apc_fetch($this->cachePrefix . $pCoord . '.cache');
if ($obj === false) {
// Entry no longer exists in APC, so clear it from the cache array
parent::deleteCacheData($pCoord);
throw new PHPExcel_Exception('Cell entry '.$pCoord.' no longer exists in APC cache');
}
} else {
// Return null if requested entry doesn't exist in cache
return null;
}
// Set current entry to the requested entry
$this->currentObjectID = $pCoord;
$this->currentObject = unserialize($obj);
// Re-attach this as the cell's parent
$this->currentObject->attach($this);
// Return requested entry
return $this->currentObject;
}
/**
* Get a list of all cell addresses currently held in cache
*
* @return string[]
*/
public function getCellList()
{
if ($this->currentObjectID !== null) {
$this->storeData();
}
return parent::getCellList();
}
/**
* Delete a cell in cache identified by coordinate address
*
* @access public
* @param string $pCoord Coordinate address of the cell to delete
* @throws PHPExcel_Exception
*/
public function deleteCacheData($pCoord)
{
// Delete the entry from APC
apc_delete($this->cachePrefix.$pCoord.'.cache');
// Delete the entry from our cell address array
parent::deleteCacheData($pCoord);
}
/**
* Clone the cell collection
*
* @access public
* @param PHPExcel_Worksheet $parent The new worksheet
* @throws PHPExcel_Exception
* @return void
*/
public function copyCellCollection(PHPExcel_Worksheet $parent)
{
parent::copyCellCollection($parent);
// Get a new id for the new file name
$baseUnique = $this->getUniqueID();
$newCachePrefix = substr(md5($baseUnique), 0, 8) . '.';
$cacheList = $this->getCellList();
foreach ($cacheList as $cellID) {
if ($cellID != $this->currentObjectID) {
$obj = apc_fetch($this->cachePrefix . $cellID . '.cache');
if ($obj === false) {
// Entry no longer exists in APC, so clear it from the cache array
parent::deleteCacheData($cellID);
throw new PHPExcel_Exception('Cell entry ' . $cellID . ' no longer exists in APC');
}
if (!apc_store($newCachePrefix . $cellID . '.cache', $obj, $this->cacheTime)) {
$this->__destruct();
throw new PHPExcel_Exception('Failed to store cell ' . $cellID . ' in APC');
}
}
}
$this->cachePrefix = $newCachePrefix;
}
/**
* Clear the cell collection and disconnect from our parent
*
* @return void
*/
public function unsetWorksheetCells()
{
if ($this->currentObject !== null) {
$this->currentObject->detach();
$this->currentObject = $this->currentObjectID = null;
}
// Flush the APC cache
$this->__destruct();
$this->cellCache = array();
// detach ourself from the worksheet, so that it can then delete this object successfully
$this->parent = null;
}
/**
* Initialise this new cell collection
*
* @param PHPExcel_Worksheet $parent The worksheet for this cell collection
* @param array of mixed $arguments Additional initialisation arguments
*/
public function __construct(PHPExcel_Worksheet $parent, $arguments)
{
$cacheTime = (isset($arguments['cacheTime'])) ? $arguments['cacheTime'] : 600;
if ($this->cachePrefix === null) {
$baseUnique = $this->getUniqueID();
$this->cachePrefix = substr(md5($baseUnique), 0, 8) . '.';
$this->cacheTime = $cacheTime;
parent::__construct($parent);
}
}
/**
* Destroy this cell collection
*/
public function __destruct()
{
$cacheList = $this->getCellList();
foreach ($cacheList as $cellID) {
apc_delete($this->cachePrefix . $cellID . '.cache');
}
}
/**
* Identify whether the caching method is currently available
* Some methods are dependent on the availability of certain extensions being enabled in the PHP build
*
* @return boolean
*/
public static function cacheMethodIsAvailable()
{
if (!function_exists('apc_store')) {
return false;
}
if (apc_sma_info() === false) {
return false;
}
return true;
}
}