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diff --git a/admin/survey/excel/PHPExcel/Shared/CodePage.php b/admin/survey/excel/PHPExcel/Shared/CodePage.php
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+<?php

+/**

+ * PHPExcel

+ *

+ * Copyright (c) 2006 - 2012 PHPExcel

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 2.1 of the License, or (at your option) any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

+ *

+ * @category   PHPExcel

+ * @package    PHPExcel_Shared

+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)

+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL

+ * @version    1.7.8, 2012-10-12

+ */

+

+

+/**

+ * PHPExcel_Shared_CodePage

+ *

+ * @category   PHPExcel

+ * @package    PHPExcel_Shared

+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)

+ */

+class PHPExcel_Shared_CodePage

+{

+	/**

+	 * Convert Microsoft Code Page Identifier to Code Page Name which iconv

+	 * and mbstring understands

+	 *

+	 * @param int $number Microsoft Code Page Indentifier

+	 * @return string Code Page Name

+	 * @throws Exception

+	 */

+	public static function NumberToName($codePage = '1252')

+	{

+		switch ($codePage) {

+			case 367:	return 'ASCII';				break;	//	ASCII

+			case 437:	return 'CP437';				break;	//	OEM US

+			case 720:	throw new Exception('Code page 720 not supported.');

+													break;	//	OEM Arabic

+			case 737:	return 'CP737';				break;	//	OEM Greek

+			case 775:	return 'CP775';				break;	//	OEM Baltic

+			case 850:	return 'CP850';				break;	//	OEM Latin I

+			case 852:	return 'CP852';				break;	//	OEM Latin II (Central European)

+			case 855:	return 'CP855';				break;	//	OEM Cyrillic

+			case 857:	return 'CP857';				break;	//	OEM Turkish

+			case 858:	return 'CP858';				break;	//	OEM Multilingual Latin I with Euro

+			case 860:	return 'CP860';				break;	//	OEM Portugese

+			case 861:	return 'CP861';				break;	//	OEM Icelandic

+			case 862:	return 'CP862';				break;	//	OEM Hebrew

+			case 863:	return 'CP863';				break;	//	OEM Canadian (French)

+			case 864:	return 'CP864';				break;	//	OEM Arabic

+			case 865:	return 'CP865';				break;	//	OEM Nordic

+			case 866:	return 'CP866';				break;	//	OEM Cyrillic (Russian)

+			case 869:	return 'CP869';				break;	//	OEM Greek (Modern)

+			case 874:	return 'CP874';				break;	//	ANSI Thai

+			case 932:	return 'CP932';				break;	//	ANSI Japanese Shift-JIS

+			case 936:	return 'CP936';				break;	//	ANSI Chinese Simplified GBK

+			case 949:	return 'CP949';				break;	//	ANSI Korean (Wansung)

+			case 950:	return 'CP950';				break;	//	ANSI Chinese Traditional BIG5

+			case 1200:	return 'UTF-16LE';			break;	//	UTF-16 (BIFF8)

+			case 1250:	return 'CP1250';			break;	//	ANSI Latin II (Central European)

+			case 1251:	return 'CP1251';			break;	//	ANSI Cyrillic

+			case 0:		//	CodePage is not always correctly set when the xls file was saved by Apple's Numbers program

+			case 1252:	return 'CP1252';			break;	//	ANSI Latin I (BIFF4-BIFF7)

+			case 1253:	return 'CP1253';			break;	//	ANSI Greek

+			case 1254:	return 'CP1254';			break;	//	ANSI Turkish

+			case 1255:	return 'CP1255';			break;	//	ANSI Hebrew

+			case 1256:	return 'CP1256';			break;	//	ANSI Arabic

+			case 1257:	return 'CP1257';			break;	//	ANSI Baltic

+			case 1258:	return 'CP1258';			break;	//	ANSI Vietnamese

+			case 1361:	return 'CP1361';			break;	//	ANSI Korean (Johab)

+			case 10000:	return 'MAC';				break;	//	Apple Roman

+			case 10006:	return 'MACGREEK';			break;	//	Macintosh Greek

+			case 10007:	return 'MACCYRILLIC';		break;	//	Macintosh Cyrillic

+			case 10029:	return 'MACCENTRALEUROPE';	break;	//	Macintosh Central Europe

+			case 10079: return 'MACICELAND';		break;	//	Macintosh Icelandic

+			case 10081: return 'MACTURKISH';		break;	//	Macintosh Turkish

+			case 32768:	return 'MAC';				break;	//	Apple Roman

+			case 32769:	throw new Exception('Code page 32769 not supported.');

+													break;	//	ANSI Latin I (BIFF2-BIFF3)

+			case 65000:	return 'UTF-7';				break;	//	Unicode (UTF-7)

+			case 65001:	return 'UTF-8';				break;	//	Unicode (UTF-8)

+		}

+

+		throw new Exception('Unknown codepage: ' . $codePage);

+	}

+

+}