CWiki::Delete

function Delete($ID, $IBLOCK_ID)
{
	$rIBlock = CIBlock::getList(Array(), array('ID' => $IBLOCK_ID, 'CHECK_PERMISSIONS' => 'N'));
	$arIBlock = $rIBlock->GetNext();

	// erase the history of changes
	if ($arIBlock['BIZPROC'] == 'Y' && CModule::IncludeModule('bizproc'))
	{
		$historyService = new CBPHistoryService();
		$historyService->DeleteHistoryByDocument(array('iblock', 'CWikiDocument', $ID));
	}

	$this->CleanCacheById($ID,$IBLOCK_ID);

	// delete item
	$bResult = $this->cIB_E->Delete($ID);

	return $bResult;
}