/**
* Get cell at a specific coordinate
*
* @param string $pCoord Coordinate of the cell
* @throws Exception
* @return Cell Cell that was found, or null if not found
*/
public function getCacheData($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 Exception('Cell entry no longer exists in APC');
}
} 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 the parent worksheet
$this->_currentObject->attach($this->_parent);
// Return requested entry
return $this->_currentObject;
}
