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diff --git a/admin/survey/excel/PHPExcel/Shared/String.php b/admin/survey/excel/PHPExcel/Shared/String.php
deleted file mode 100644
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--- a/admin/survey/excel/PHPExcel/Shared/String.php
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@@ -1,730 +0,0 @@
-<?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_String

- *

- * @category   PHPExcel

- * @package    PHPExcel_Shared

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

- */

-class PHPExcel_Shared_String

-{

-	/**	Constants				*/

-	/**	Regular Expressions		*/

-	//	Fraction

-	const STRING_REGEXP_FRACTION	= '(-?)(\d+)\s+(\d+\/\d+)';

-

-

-	/**

-	 * Control characters array

-	 *

-	 * @var string[]

-	 */

-	private static $_controlCharacters = array();

-

-	/**

-	 * SYLK Characters array

-	 *

-	 * $var array

-	 */

-	private static $_SYLKCharacters = array();

-

-	/**

-	 * Decimal separator

-	 *

-	 * @var string

-	 */

-	private static $_decimalSeparator;

-

-	/**

-	 * Thousands separator

-	 *

-	 * @var string

-	 */

-	private static $_thousandsSeparator;

-

-	/**

-	 * Currency code

-	 *

-	 * @var string

-	 */

-	private static $_currencyCode;

-

-	/**

-	 * Is mbstring extension avalable?

-	 *

-	 * @var boolean

-	 */

-	private static $_isMbstringEnabled;

-

-	/**

-	 * Is iconv extension avalable?

-	 *

-	 * @var boolean

-	 */

-	private static $_isIconvEnabled;

-

-	/**

-	 * Build control characters array

-	 */

-	private static function _buildControlCharacters() {

-		for ($i = 0; $i <= 31; ++$i) {

-			if ($i != 9 && $i != 10 && $i != 13) {

-				$find = '_x' . sprintf('%04s' , strtoupper(dechex($i))) . '_';

-				$replace = chr($i);

-				self::$_controlCharacters[$find] = $replace;

-			}

-		}

-	}

-

-	/**

-	 * Build SYLK characters array

-	 */

-	private static function _buildSYLKCharacters()

-	{

-		self::$_SYLKCharacters = array(

-			"\x1B 0"  => chr(0),

-			"\x1B 1"  => chr(1),

-			"\x1B 2"  => chr(2),

-			"\x1B 3"  => chr(3),

-			"\x1B 4"  => chr(4),

-			"\x1B 5"  => chr(5),

-			"\x1B 6"  => chr(6),

-			"\x1B 7"  => chr(7),

-			"\x1B 8"  => chr(8),

-			"\x1B 9"  => chr(9),

-			"\x1B :"  => chr(10),

-			"\x1B ;"  => chr(11),

-			"\x1B <"  => chr(12),

-			"\x1B :"  => chr(13),

-			"\x1B >"  => chr(14),

-			"\x1B ?"  => chr(15),

-			"\x1B!0"  => chr(16),

-			"\x1B!1"  => chr(17),

-			"\x1B!2"  => chr(18),

-			"\x1B!3"  => chr(19),

-			"\x1B!4"  => chr(20),

-			"\x1B!5"  => chr(21),

-			"\x1B!6"  => chr(22),

-			"\x1B!7"  => chr(23),

-			"\x1B!8"  => chr(24),

-			"\x1B!9"  => chr(25),

-			"\x1B!:"  => chr(26),

-			"\x1B!;"  => chr(27),

-			"\x1B!<"  => chr(28),

-			"\x1B!="  => chr(29),

-			"\x1B!>"  => chr(30),

-			"\x1B!?"  => chr(31),

-			"\x1B'?"  => chr(127),

-			"\x1B(0"  => '€', // 128 in CP1252

-			"\x1B(2"  => '‚', // 130 in CP1252

-			"\x1B(3"  => 'ƒ', // 131 in CP1252

-			"\x1B(4"  => '„', // 132 in CP1252

-			"\x1B(5"  => '…', // 133 in CP1252

-			"\x1B(6"  => '†', // 134 in CP1252

-			"\x1B(7"  => '‡', // 135 in CP1252

-			"\x1B(8"  => 'ˆ', // 136 in CP1252

-			"\x1B(9"  => '‰', // 137 in CP1252

-			"\x1B(:"  => 'Š', // 138 in CP1252

-			"\x1B(;"  => '‹', // 139 in CP1252

-			"\x1BNj"  => 'Œ', // 140 in CP1252

-			"\x1B(>"  => 'Ž', // 142 in CP1252

-			"\x1B)1"  => '‘', // 145 in CP1252

-			"\x1B)2"  => '’', // 146 in CP1252

-			"\x1B)3"  => '“', // 147 in CP1252

-			"\x1B)4"  => '”', // 148 in CP1252

-			"\x1B)5"  => '•', // 149 in CP1252

-			"\x1B)6"  => '–', // 150 in CP1252

-			"\x1B)7"  => '—', // 151 in CP1252

-			"\x1B)8"  => '˜', // 152 in CP1252

-			"\x1B)9"  => '™', // 153 in CP1252

-			"\x1B):"  => 'š', // 154 in CP1252

-			"\x1B);"  => '›', // 155 in CP1252

-			"\x1BNz"  => 'œ', // 156 in CP1252

-			"\x1B)>"  => 'ž', // 158 in CP1252

-			"\x1B)?"  => 'Ÿ', // 159 in CP1252

-			"\x1B*0"  => ' ', // 160 in CP1252

-			"\x1BN!"  => '¡', // 161 in CP1252

-			"\x1BN\"" => '¢', // 162 in CP1252

-			"\x1BN#"  => '£', // 163 in CP1252

-			"\x1BN("  => '¤', // 164 in CP1252

-			"\x1BN%"  => '¥', // 165 in CP1252

-			"\x1B*6"  => '¦', // 166 in CP1252

-			"\x1BN'"  => '§', // 167 in CP1252

-			"\x1BNH " => '¨', // 168 in CP1252

-			"\x1BNS"  => '©', // 169 in CP1252

-			"\x1BNc"  => 'ª', // 170 in CP1252

-			"\x1BN+"  => '«', // 171 in CP1252

-			"\x1B*<"  => '¬', // 172 in CP1252

-			"\x1B*="  => '­', // 173 in CP1252

-			"\x1BNR"  => '®', // 174 in CP1252

-			"\x1B*?"  => '¯', // 175 in CP1252

-			"\x1BN0"  => '°', // 176 in CP1252

-			"\x1BN1"  => '±', // 177 in CP1252

-			"\x1BN2"  => '²', // 178 in CP1252

-			"\x1BN3"  => '³', // 179 in CP1252

-			"\x1BNB " => '´', // 180 in CP1252

-			"\x1BN5"  => 'µ', // 181 in CP1252

-			"\x1BN6"  => '¶', // 182 in CP1252

-			"\x1BN7"  => '·', // 183 in CP1252

-			"\x1B+8"  => '¸', // 184 in CP1252

-			"\x1BNQ"  => '¹', // 185 in CP1252

-			"\x1BNk"  => 'º', // 186 in CP1252

-			"\x1BN;"  => '»', // 187 in CP1252

-			"\x1BN<"  => '¼', // 188 in CP1252

-			"\x1BN="  => '½', // 189 in CP1252

-			"\x1BN>"  => '¾', // 190 in CP1252

-			"\x1BN?"  => '¿', // 191 in CP1252

-			"\x1BNAA" => 'À', // 192 in CP1252

-			"\x1BNBA" => 'Á', // 193 in CP1252

-			"\x1BNCA" => 'Â', // 194 in CP1252

-			"\x1BNDA" => 'Ã', // 195 in CP1252

-			"\x1BNHA" => 'Ä', // 196 in CP1252

-			"\x1BNJA" => 'Å', // 197 in CP1252

-			"\x1BNa"  => 'Æ', // 198 in CP1252

-			"\x1BNKC" => 'Ç', // 199 in CP1252

-			"\x1BNAE" => 'È', // 200 in CP1252

-			"\x1BNBE" => 'É', // 201 in CP1252

-			"\x1BNCE" => 'Ê', // 202 in CP1252

-			"\x1BNHE" => 'Ë', // 203 in CP1252

-			"\x1BNAI" => 'Ì', // 204 in CP1252

-			"\x1BNBI" => 'Í', // 205 in CP1252

-			"\x1BNCI" => 'Î', // 206 in CP1252

-			"\x1BNHI" => 'Ï', // 207 in CP1252

-			"\x1BNb"  => 'Ð', // 208 in CP1252

-			"\x1BNDN" => 'Ñ', // 209 in CP1252

-			"\x1BNAO" => 'Ò', // 210 in CP1252

-			"\x1BNBO" => 'Ó', // 211 in CP1252

-			"\x1BNCO" => 'Ô', // 212 in CP1252

-			"\x1BNDO" => 'Õ', // 213 in CP1252

-			"\x1BNHO" => 'Ö', // 214 in CP1252

-			"\x1B-7"  => '×', // 215 in CP1252

-			"\x1BNi"  => 'Ø', // 216 in CP1252

-			"\x1BNAU" => 'Ù', // 217 in CP1252

-			"\x1BNBU" => 'Ú', // 218 in CP1252

-			"\x1BNCU" => 'Û', // 219 in CP1252

-			"\x1BNHU" => 'Ü', // 220 in CP1252

-			"\x1B-="  => 'Ý', // 221 in CP1252

-			"\x1BNl"  => 'Þ', // 222 in CP1252

-			"\x1BN{"  => 'ß', // 223 in CP1252

-			"\x1BNAa" => 'à', // 224 in CP1252

-			"\x1BNBa" => 'á', // 225 in CP1252

-			"\x1BNCa" => 'â', // 226 in CP1252

-			"\x1BNDa" => 'ã', // 227 in CP1252

-			"\x1BNHa" => 'ä', // 228 in CP1252

-			"\x1BNJa" => 'å', // 229 in CP1252

-			"\x1BNq"  => 'æ', // 230 in CP1252

-			"\x1BNKc" => 'ç', // 231 in CP1252

-			"\x1BNAe" => 'è', // 232 in CP1252

-			"\x1BNBe" => 'é', // 233 in CP1252

-			"\x1BNCe" => 'ê', // 234 in CP1252

-			"\x1BNHe" => 'ë', // 235 in CP1252

-			"\x1BNAi" => 'ì', // 236 in CP1252

-			"\x1BNBi" => 'í', // 237 in CP1252

-			"\x1BNCi" => 'î', // 238 in CP1252

-			"\x1BNHi" => 'ï', // 239 in CP1252

-			"\x1BNs"  => 'ð', // 240 in CP1252

-			"\x1BNDn" => 'ñ', // 241 in CP1252

-			"\x1BNAo" => 'ò', // 242 in CP1252

-			"\x1BNBo" => 'ó', // 243 in CP1252

-			"\x1BNCo" => 'ô', // 244 in CP1252

-			"\x1BNDo" => 'õ', // 245 in CP1252

-			"\x1BNHo" => 'ö', // 246 in CP1252

-			"\x1B/7"  => '÷', // 247 in CP1252

-			"\x1BNy"  => 'ø', // 248 in CP1252

-			"\x1BNAu" => 'ù', // 249 in CP1252

-			"\x1BNBu" => 'ú', // 250 in CP1252

-			"\x1BNCu" => 'û', // 251 in CP1252

-			"\x1BNHu" => 'ü', // 252 in CP1252

-			"\x1B/="  => 'ý', // 253 in CP1252

-			"\x1BN|"  => 'þ', // 254 in CP1252

-			"\x1BNHy" => 'ÿ', // 255 in CP1252

-		);

-	}

-

-	/**

-	 * Get whether mbstring extension is available

-	 *

-	 * @return boolean

-	 */

-	public static function getIsMbstringEnabled()

-	{

-		if (isset(self::$_isMbstringEnabled)) {

-			return self::$_isMbstringEnabled;

-		}

-

-		self::$_isMbstringEnabled = function_exists('mb_convert_encoding') ?

-			true : false;

-

-		return self::$_isMbstringEnabled;

-	}

-

-	/**

-	 * Get whether iconv extension is available

-	 *

-	 * @return boolean

-	 */

-	public static function getIsIconvEnabled()

-	{

-		if (isset(self::$_isIconvEnabled)) {

-			return self::$_isIconvEnabled;

-		}

-

-		// Fail if iconv doesn't exist

-		if (!function_exists('iconv')) {

-			self::$_isIconvEnabled = false;

-			return false;

-		}

-

-		// Sometimes iconv is not working, and e.g. iconv('UTF-8', 'UTF-16LE', 'x') just returns false,

-		if (!@iconv('UTF-8', 'UTF-16LE', 'x')) {

-			self::$_isIconvEnabled = false;

-			return false;

-		}

-

-		// Sometimes iconv_substr('A', 0, 1, 'UTF-8') just returns false in PHP 5.2.0

-		// we cannot use iconv in that case either (http://bugs.php.net/bug.php?id=37773)

-		if (!@iconv_substr('A', 0, 1, 'UTF-8')) {

-			self::$_isIconvEnabled = false;

-			return false;

-		}

-

-		// CUSTOM: IBM AIX iconv() does not work

-		if ( defined('PHP_OS') && @stristr(PHP_OS, 'AIX')

-				&& defined('ICONV_IMPL') && (@strcasecmp(ICONV_IMPL, 'unknown') == 0)

-				&& defined('ICONV_VERSION') && (@strcasecmp(ICONV_VERSION, 'unknown') == 0) )

-		{

-			self::$_isIconvEnabled = false;

-			return false;

-		}

-

-		// If we reach here no problems were detected with iconv

-		self::$_isIconvEnabled = true;

-		return true;

-	}

-

-	public static function buildCharacterSets() {

-		if(empty(self::$_controlCharacters)) {

-			self::_buildControlCharacters();

-		}

-		if(empty(self::$_SYLKCharacters)) {

-			self::_buildSYLKCharacters();

-		}

-	}

-

-	/**

-	 * Convert from OpenXML escaped control character to PHP control character

-	 *

-	 * Excel 2007 team:

-	 * ----------------

-	 * That's correct, control characters are stored directly in the shared-strings table.

-	 * We do encode characters that cannot be represented in XML using the following escape sequence:

-	 * _xHHHH_ where H represents a hexadecimal character in the character's value...

-	 * So you could end up with something like _x0008_ in a string (either in a cell value (<v>)

-	 * element or in the shared string <t> element.

-	 *

-	 * @param 	string	$value	Value to unescape

-	 * @return 	string

-	 */

-	public static function ControlCharacterOOXML2PHP($value = '') {

-		return str_replace( array_keys(self::$_controlCharacters), array_values(self::$_controlCharacters), $value );

-	}

-

-	/**

-	 * Convert from PHP control character to OpenXML escaped control character

-	 *

-	 * Excel 2007 team:

-	 * ----------------

-	 * That's correct, control characters are stored directly in the shared-strings table.

-	 * We do encode characters that cannot be represented in XML using the following escape sequence:

-	 * _xHHHH_ where H represents a hexadecimal character in the character's value...

-	 * So you could end up with something like _x0008_ in a string (either in a cell value (<v>)

-	 * element or in the shared string <t> element.

-	 *

-	 * @param 	string	$value	Value to escape

-	 * @return 	string

-	 */

-	public static function ControlCharacterPHP2OOXML($value = '') {

-		return str_replace( array_values(self::$_controlCharacters), array_keys(self::$_controlCharacters), $value );

-	}

-

-	/**

-	 * Try to sanitize UTF8, stripping invalid byte sequences. Not perfect. Does not surrogate characters.

-	 *

-	 * @param string $value

-	 * @return string

-	 */

-	public static function SanitizeUTF8($value)

-	{

-		if (self::getIsIconvEnabled()) {

-			$value = @iconv('UTF-8', 'UTF-8', $value);

-			return $value;

-		}

-

-		if (self::getIsMbstringEnabled()) {

-			$value = mb_convert_encoding($value, 'UTF-8', 'UTF-8');

-			return $value;

-		}

-

-		// else, no conversion

-		return $value;

-	}

-

-	/**

-	 * Check if a string contains UTF8 data

-	 *

-	 * @param string $value

-	 * @return boolean

-	 */

-	public static function IsUTF8($value = '') {

-		return utf8_encode(utf8_decode($value)) === $value;

-	}

-

-	/**

-	 * Formats a numeric value as a string for output in various output writers forcing

-	 * point as decimal separator in case locale is other than English.

-	 *

-	 * @param mixed $value

-	 * @return string

-	 */

-	public static function FormatNumber($value) {

-		if (is_float($value)) {

-			return str_replace(',', '.', $value);

-		}

-		return (string) $value;

-	}

-

-	/**

-	 * Converts a UTF-8 string into BIFF8 Unicode string data (8-bit string length)

-	 * Writes the string using uncompressed notation, no rich text, no Asian phonetics

-	 * If mbstring extension is not available, ASCII is assumed, and compressed notation is used

-	 * although this will give wrong results for non-ASCII strings

-	 * see OpenOffice.org's Documentation of the Microsoft Excel File Format, sect. 2.5.3

-	 *

-	 * @param string $value UTF-8 encoded string

-	 * @return string

-	 */

-	public static function UTF8toBIFF8UnicodeShort($value, $arrcRuns = array())

-	{

-		// character count

-		$ln = self::CountCharacters($value, 'UTF-8');

-

-		// option flags

-		if(empty($arrcRuns)){

-			$opt = (self::getIsIconvEnabled() || self::getIsMbstringEnabled()) ?

-				0x0001 : 0x0000;

-			$data = pack('CC', $ln, $opt);

-			// characters

-			$data .= self::ConvertEncoding($value, 'UTF-16LE', 'UTF-8');

-		}

-		else {

-			$data = pack('vC', $ln, 0x08);

-			$data .= pack('v', count($arrcRuns));

-			// characters

-			$data .= $value;

-			foreach ($arrcRuns as $cRun){

-				$data .= pack('v', $cRun['strlen']);

-				$data .= pack('v', $cRun['fontidx']);

-			}

-		}

-		return $data;

-	}

-

-	/**

-	 * Converts a UTF-8 string into BIFF8 Unicode string data (16-bit string length)

-	 * Writes the string using uncompressed notation, no rich text, no Asian phonetics

-	 * If mbstring extension is not available, ASCII is assumed, and compressed notation is used

-	 * although this will give wrong results for non-ASCII strings

-	 * see OpenOffice.org's Documentation of the Microsoft Excel File Format, sect. 2.5.3

-	 *

-	 * @param string $value UTF-8 encoded string

-	 * @return string

-	 */

-	public static function UTF8toBIFF8UnicodeLong($value)

-	{

-		// character count

-		$ln = self::CountCharacters($value, 'UTF-8');

-

-		// option flags

-		$opt = (self::getIsIconvEnabled() || self::getIsMbstringEnabled()) ?

-			0x0001 : 0x0000;

-

-		// characters

-		$chars = self::ConvertEncoding($value, 'UTF-16LE', 'UTF-8');

-

-		$data = pack('vC', $ln, $opt) . $chars;

-		return $data;

-	}

-

-	/**

-	 * Convert string from one encoding to another. First try iconv, then mbstring, or no convertion

-	 *

-	 * @param string $value

-	 * @param string $to Encoding to convert to, e.g. 'UTF-8'

-	 * @param string $from Encoding to convert from, e.g. 'UTF-16LE'

-	 * @return string

-	 */

-	public static function ConvertEncoding($value, $to, $from)

-	{

-		if (self::getIsIconvEnabled()) {

-			$value = iconv($from, $to, $value);

-			return $value;

-		}

-

-		if (self::getIsMbstringEnabled()) {

-			$value = mb_convert_encoding($value, $to, $from);

-			return $value;

-		}

-		if($from == 'UTF-16LE'){

-			return self::utf16_decode($value, false);

-		}else if($from == 'UTF-16BE'){

-			return self::utf16_decode($value);

-		}

-		// else, no conversion

-		return $value;

-	}

-

-	/**

-	 * Decode UTF-16 encoded strings.

-	 *

-	 * Can handle both BOM'ed data and un-BOM'ed data.

-	 * Assumes Big-Endian byte order if no BOM is available.

-	 * This function was taken from http://php.net/manual/en/function.utf8-decode.php

-	 * and $bom_be parameter added.

-	 *

-	 * @param   string  $str  UTF-16 encoded data to decode.

-	 * @return  string  UTF-8 / ISO encoded data.

-	 * @access  public

-	 * @version 0.2 / 2010-05-13

-	 * @author  Rasmus Andersson {@link http://rasmusandersson.se/}

-	 * @author vadik56

-	 */

-	public static function utf16_decode( $str, $bom_be=true ) {

-		if( strlen($str) < 2 ) return $str;

-		$c0 = ord($str{0});

-		$c1 = ord($str{1});

-		if( $c0 == 0xfe && $c1 == 0xff ) { $str = substr($str,2); }

-		elseif( $c0 == 0xff && $c1 == 0xfe ) { $str = substr($str,2); $bom_be = false; }

-		$len = strlen($str);

-		$newstr = '';

-		for($i=0;$i<$len;$i+=2) {

-			if( $bom_be ) { $val = ord($str{$i})   << 4; $val += ord($str{$i+1}); }

-			else {        $val = ord($str{$i+1}) << 4; $val += ord($str{$i}); }

-			$newstr .= ($val == 0x228) ? "\n" : chr($val);

-		}

-		return $newstr;

-	}

-

-	/**

-	 * Get character count. First try mbstring, then iconv, finally strlen

-	 *

-	 * @param string $value

-	 * @param string $enc Encoding

-	 * @return int Character count

-	 */

-	public static function CountCharacters($value, $enc = 'UTF-8')

-	{

-		if (self::getIsIconvEnabled()) {

-			return iconv_strlen($value, $enc);

-		}

-

-		if (self::getIsMbstringEnabled()) {

-			return mb_strlen($value, $enc);

-		}

-

-		// else strlen

-		return strlen($value);

-	}

-

-	/**

-	 * Get a substring of a UTF-8 encoded string

-	 *

-	 * @param string $pValue UTF-8 encoded string

-	 * @param int $start Start offset

-	 * @param int $length Maximum number of characters in substring

-	 * @return string

-	 */

-	public static function Substring($pValue = '', $pStart = 0, $pLength = 0)

-	{

-		if (self::getIsIconvEnabled()) {

-			return iconv_substr($pValue, $pStart, $pLength, 'UTF-8');

-		}

-

-		if (self::getIsMbstringEnabled()) {

-			return mb_substr($pValue, $pStart, $pLength, 'UTF-8');

-		}

-

-		// else substr

-		return substr($pValue, $pStart, $pLength);

-	}

-

-

-	/**

-	 * Identify whether a string contains a fractional numeric value,

-	 *    and convert it to a numeric if it is

-	 *

-	 * @param string &$operand string value to test

-	 * @return boolean

-	 */

-	public static function convertToNumberIfFraction(&$operand) {

-		if (preg_match('/^'.self::STRING_REGEXP_FRACTION.'$/i', $operand, $match)) {

-			$sign = ($match[1] == '-') ? '-' : '+';

-			$fractionFormula = '='.$sign.$match[2].$sign.$match[3];

-			$operand = PHPExcel_Calculation::getInstance()->_calculateFormulaValue($fractionFormula);

-			return true;

-		}

-		return false;

-	}	//	function convertToNumberIfFraction()

-

-	/**

-	 * Get the decimal separator. If it has not yet been set explicitly, try to obtain number

-	 * formatting information from locale.

-	 *

-	 * @return string

-	 */

-	public static function getDecimalSeparator()

-	{

-		if (!isset(self::$_decimalSeparator)) {

-			$localeconv = localeconv();

-			self::$_decimalSeparator = ($localeconv['decimal_point'] != '')

-				? $localeconv['decimal_point'] : $localeconv['mon_decimal_point'];

-

-			if (self::$_decimalSeparator == '') {

-				// Default to .

-				self::$_decimalSeparator = '.';

-			}

-		}

-		return self::$_decimalSeparator;

-	}

-

-	/**

-	 * Set the decimal separator. Only used by PHPExcel_Style_NumberFormat::toFormattedString()

-	 * to format output by PHPExcel_Writer_HTML and PHPExcel_Writer_PDF

-	 *

-	 * @param string $pValue Character for decimal separator

-	 */

-	public static function setDecimalSeparator($pValue = '.')

-	{

-		self::$_decimalSeparator = $pValue;

-	}

-

-	/**

-	 * Get the thousands separator. If it has not yet been set explicitly, try to obtain number

-	 * formatting information from locale.

-	 *

-	 * @return string

-	 */

-	public static function getThousandsSeparator()

-	{

-		if (!isset(self::$_thousandsSeparator)) {

-			$localeconv = localeconv();

-			self::$_thousandsSeparator = ($localeconv['thousands_sep'] != '')

-				? $localeconv['thousands_sep'] : $localeconv['mon_thousands_sep'];

-		}

-		return self::$_thousandsSeparator;

-	}

-

-	/**

-	 * Set the thousands separator. Only used by PHPExcel_Style_NumberFormat::toFormattedString()

-	 * to format output by PHPExcel_Writer_HTML and PHPExcel_Writer_PDF

-	 *

-	 * @param string $pValue Character for thousands separator

-	 */

-	public static function setThousandsSeparator($pValue = ',')

-	{

-		self::$_thousandsSeparator = $pValue;

-	}

-

-	/**

-	 *	Get the currency code. If it has not yet been set explicitly, try to obtain the

-	 *		symbol information from locale.

-	 *

-	 * @return string

-	 */

-	public static function getCurrencyCode()

-	{

-		if (!isset(self::$_currencyCode)) {

-			$localeconv = localeconv();

-			self::$_currencyCode = ($localeconv['currency_symbol'] != '')

-				? $localeconv['currency_symbol'] : $localeconv['int_curr_symbol'];

-

-			if (self::$_currencyCode == '') {

-				// Default to $

-				self::$_currencyCode = '$';

-			}

-		}

-		return self::$_currencyCode;

-	}

-

-	/**

-	 * Set the currency code. Only used by PHPExcel_Style_NumberFormat::toFormattedString()

-	 *		to format output by PHPExcel_Writer_HTML and PHPExcel_Writer_PDF

-	 *

-	 * @param string $pValue Character for currency code

-	 */

-	public static function setCurrencyCode($pValue = '$')

-	{

-		self::$_currencyCode = $pValue;

-	}

-

-	/**

-	 * Convert SYLK encoded string to UTF-8

-	 *

-	 * @param string $pValue

-	 * @return string UTF-8 encoded string

-	 */

-	public static function SYLKtoUTF8($pValue = '')

-	{

-		// If there is no escape character in the string there is nothing to do

-		if (strpos($pValue, '') === false) {

-			return $pValue;

-		}

-

-		foreach (self::$_SYLKCharacters as $k => $v) {

-			$pValue = str_replace($k, $v, $pValue);

-		}

-

-		return $pValue;

-	}

-

-	/**

-	 * Retrieve any leading numeric part of a string, or return the full string if no leading numeric

-	 *	(handles basic integer or float, but not exponent or non decimal)

-	 *

-	 * @param	string	$value

-	 * @return	mixed	string or only the leading numeric part of the string

-	 */

-	public static function testStringAsNumeric($value)

-	{

-		if (is_numeric($value))

-			return $value;

-		$v = floatval($value);

-		return (is_numeric(substr($value,0,strlen($v)))) ? $v : $value;

-	}

-}