Merge branch 'develop' of https://github.com/PHPOffice/PHPExcel into develop
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commit
a287bd44df
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@ -151,7 +151,7 @@ abstract class PHPExcel_CachedObjectStorage_CacheBase {
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* @throws PHPExcel_Exception
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*/
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public function deleteCacheData($pCoord) {
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if ($pCoord === $this->_currentObjectID) {
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if ($pCoord === $this->_currentObjectID && !is_null($this->_currentObject)) {
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$this->_currentObject->detach();
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$this->_currentObjectID = $this->_currentObject = null;
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}
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