function removeDataForDocIDAndDocInstance($iTargetDocID, $iID) { $aDataFileNames = WYElement::aDataFileNames(); $sRegEx = sprintf("|^%d-%d-|", $iTargetDocID, $iID); foreach ($aDataFileNames as $sDataFileName) { if (preg_match($sRegEx, $sDataFileName)) { WYElement::removeDataFileWithName($sDataFileName); } } }