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820 lines
27 KiB
820 lines
27 KiB
2 years ago
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<?php
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/**
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* PHPExcel_Shared_String
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*
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* Copyright (c) 2006 - 2015 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Shared
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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class PHPExcel_Shared_String
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{
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/** Constants */
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/** Regular Expressions */
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// Fraction
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const STRING_REGEXP_FRACTION = '(-?)(\d+)\s+(\d+\/\d+)';
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/**
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* Control characters array
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*
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* @var string[]
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*/
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private static $controlCharacters = array();
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/**
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* SYLK Characters array
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*
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* $var array
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*/
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private static $SYLKCharacters = array();
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/**
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* Decimal separator
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*
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* @var string
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*/
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private static $decimalSeparator;
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/**
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* Thousands separator
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*
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* @var string
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*/
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private static $thousandsSeparator;
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/**
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* Currency code
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*
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* @var string
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*/
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private static $currencyCode;
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/**
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* Is mbstring extension avalable?
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*
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* @var boolean
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*/
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private static $isMbstringEnabled;
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/**
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* Is iconv extension avalable?
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*
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* @var boolean
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*/
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private static $isIconvEnabled;
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/**
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* Build control characters array
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*/
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private static function buildControlCharacters()
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{
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for ($i = 0; $i <= 31; ++$i) {
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if ($i != 9 && $i != 10 && $i != 13) {
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$find = '_x' . sprintf('%04s', strtoupper(dechex($i))) . '_';
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$replace = chr($i);
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self::$controlCharacters[$find] = $replace;
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}
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}
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}
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/**
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* Build SYLK characters array
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*/
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private static function buildSYLKCharacters()
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{
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self::$SYLKCharacters = array(
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"\x1B 0" => chr(0),
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"\x1B 1" => chr(1),
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"\x1B 2" => chr(2),
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"\x1B 3" => chr(3),
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"\x1B 4" => chr(4),
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"\x1B 5" => chr(5),
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"\x1B 6" => chr(6),
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"\x1B 7" => chr(7),
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"\x1B 8" => chr(8),
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"\x1B 9" => chr(9),
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"\x1B :" => chr(10),
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"\x1B ;" => chr(11),
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"\x1B <" => chr(12),
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"\x1B :" => chr(13),
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"\x1B >" => chr(14),
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"\x1B ?" => chr(15),
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"\x1B!0" => chr(16),
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"\x1B!1" => chr(17),
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"\x1B!2" => chr(18),
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"\x1B!3" => chr(19),
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"\x1B!4" => chr(20),
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"\x1B!5" => chr(21),
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"\x1B!6" => chr(22),
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"\x1B!7" => chr(23),
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"\x1B!8" => chr(24),
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"\x1B!9" => chr(25),
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"\x1B!:" => chr(26),
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"\x1B!;" => chr(27),
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"\x1B!<" => chr(28),
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"\x1B!=" => chr(29),
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"\x1B!>" => chr(30),
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"\x1B!?" => chr(31),
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"\x1B'?" => chr(127),
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"\x1B(0" => '€', // 128 in CP1252
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"\x1B(2" => '‚', // 130 in CP1252
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"\x1B(3" => 'ƒ', // 131 in CP1252
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"\x1B(4" => '„', // 132 in CP1252
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"\x1B(5" => '…', // 133 in CP1252
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"\x1B(6" => '†', // 134 in CP1252
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"\x1B(7" => '‡', // 135 in CP1252
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"\x1B(8" => 'ˆ', // 136 in CP1252
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"\x1B(9" => '‰', // 137 in CP1252
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"\x1B(:" => 'Š', // 138 in CP1252
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"\x1B(;" => '‹', // 139 in CP1252
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"\x1BNj" => 'Œ', // 140 in CP1252
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"\x1B(>" => 'Ž', // 142 in CP1252
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"\x1B)1" => '‘', // 145 in CP1252
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"\x1B)2" => '’', // 146 in CP1252
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"\x1B)3" => '“', // 147 in CP1252
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"\x1B)4" => '”', // 148 in CP1252
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"\x1B)5" => '•', // 149 in CP1252
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"\x1B)6" => '–', // 150 in CP1252
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"\x1B)7" => '—', // 151 in CP1252
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"\x1B)8" => '˜', // 152 in CP1252
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"\x1B)9" => '™', // 153 in CP1252
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"\x1B):" => 'š', // 154 in CP1252
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"\x1B);" => '›', // 155 in CP1252
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"\x1BNz" => 'œ', // 156 in CP1252
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"\x1B)>" => 'ž', // 158 in CP1252
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"\x1B)?" => 'Ÿ', // 159 in CP1252
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"\x1B*0" => ' ', // 160 in CP1252
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"\x1BN!" => '¡', // 161 in CP1252
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"\x1BN\"" => '¢', // 162 in CP1252
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"\x1BN#" => '£', // 163 in CP1252
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"\x1BN(" => '¤', // 164 in CP1252
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"\x1BN%" => '¥', // 165 in CP1252
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"\x1B*6" => '¦', // 166 in CP1252
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"\x1BN'" => '§', // 167 in CP1252
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"\x1BNH " => '¨', // 168 in CP1252
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"\x1BNS" => '©', // 169 in CP1252
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"\x1BNc" => 'ª', // 170 in CP1252
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"\x1BN+" => '«', // 171 in CP1252
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"\x1B*<" => '¬', // 172 in CP1252
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"\x1B*=" => '', // 173 in CP1252
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"\x1BNR" => '®', // 174 in CP1252
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"\x1B*?" => '¯', // 175 in CP1252
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"\x1BN0" => '°', // 176 in CP1252
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"\x1BN1" => '±', // 177 in CP1252
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"\x1BN2" => '²', // 178 in CP1252
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"\x1BN3" => '³', // 179 in CP1252
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"\x1BNB " => '´', // 180 in CP1252
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"\x1BN5" => 'µ', // 181 in CP1252
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"\x1BN6" => '¶', // 182 in CP1252
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"\x1BN7" => '·', // 183 in CP1252
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"\x1B+8" => '¸', // 184 in CP1252
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"\x1BNQ" => '¹', // 185 in CP1252
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"\x1BNk" => 'º', // 186 in CP1252
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"\x1BN;" => '»', // 187 in CP1252
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"\x1BN<" => '¼', // 188 in CP1252
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"\x1BN=" => '½', // 189 in CP1252
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"\x1BN>" => '¾', // 190 in CP1252
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"\x1BN?" => '¿', // 191 in CP1252
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"\x1BNAA" => 'À', // 192 in CP1252
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"\x1BNBA" => 'Á', // 193 in CP1252
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"\x1BNCA" => 'Â', // 194 in CP1252
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"\x1BNDA" => 'Ã', // 195 in CP1252
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"\x1BNHA" => 'Ä', // 196 in CP1252
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"\x1BNJA" => 'Å', // 197 in CP1252
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"\x1BNa" => 'Æ', // 198 in CP1252
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"\x1BNKC" => 'Ç', // 199 in CP1252
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"\x1BNAE" => 'È', // 200 in CP1252
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"\x1BNBE" => 'É', // 201 in CP1252
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"\x1BNCE" => 'Ê', // 202 in CP1252
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"\x1BNHE" => 'Ë', // 203 in CP1252
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"\x1BNAI" => 'Ì', // 204 in CP1252
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"\x1BNBI" => 'Í', // 205 in CP1252
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"\x1BNCI" => 'Î', // 206 in CP1252
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"\x1BNHI" => 'Ï', // 207 in CP1252
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"\x1BNb" => 'Ð', // 208 in CP1252
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"\x1BNDN" => 'Ñ', // 209 in CP1252
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"\x1BNAO" => 'Ò', // 210 in CP1252
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"\x1BNBO" => 'Ó', // 211 in CP1252
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"\x1BNCO" => 'Ô', // 212 in CP1252
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"\x1BNDO" => 'Õ', // 213 in CP1252
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"\x1BNHO" => 'Ö', // 214 in CP1252
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"\x1B-7" => '×', // 215 in CP1252
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"\x1BNi" => 'Ø', // 216 in CP1252
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"\x1BNAU" => 'Ù', // 217 in CP1252
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"\x1BNBU" => 'Ú', // 218 in CP1252
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"\x1BNCU" => 'Û', // 219 in CP1252
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"\x1BNHU" => 'Ü', // 220 in CP1252
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"\x1B-=" => 'Ý', // 221 in CP1252
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"\x1BNl" => 'Þ', // 222 in CP1252
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"\x1BN{" => 'ß', // 223 in CP1252
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"\x1BNAa" => 'à', // 224 in CP1252
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"\x1BNBa" => 'á', // 225 in CP1252
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"\x1BNCa" => 'â', // 226 in CP1252
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"\x1BNDa" => 'ã', // 227 in CP1252
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"\x1BNHa" => 'ä', // 228 in CP1252
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"\x1BNJa" => 'å', // 229 in CP1252
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"\x1BNq" => 'æ', // 230 in CP1252
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"\x1BNKc" => 'ç', // 231 in CP1252
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"\x1BNAe" => 'è', // 232 in CP1252
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"\x1BNBe" => 'é', // 233 in CP1252
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"\x1BNCe" => 'ê', // 234 in CP1252
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"\x1BNHe" => 'ë', // 235 in CP1252
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"\x1BNAi" => 'ì', // 236 in CP1252
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"\x1BNBi" => 'í', // 237 in CP1252
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"\x1BNCi" => 'î', // 238 in CP1252
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"\x1BNHi" => 'ï', // 239 in CP1252
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"\x1BNs" => 'ð', // 240 in CP1252
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"\x1BNDn" => 'ñ', // 241 in CP1252
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"\x1BNAo" => 'ò', // 242 in CP1252
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"\x1BNBo" => 'ó', // 243 in CP1252
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"\x1BNCo" => 'ô', // 244 in CP1252
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"\x1BNDo" => 'õ', // 245 in CP1252
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"\x1BNHo" => 'ö', // 246 in CP1252
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"\x1B/7" => '÷', // 247 in CP1252
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"\x1BNy" => 'ø', // 248 in CP1252
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"\x1BNAu" => 'ù', // 249 in CP1252
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"\x1BNBu" => 'ú', // 250 in CP1252
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"\x1BNCu" => 'û', // 251 in CP1252
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"\x1BNHu" => 'ü', // 252 in CP1252
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"\x1B/=" => 'ý', // 253 in CP1252
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"\x1BN|" => 'þ', // 254 in CP1252
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"\x1BNHy" => 'ÿ', // 255 in CP1252
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);
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}
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/**
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* Get whether mbstring extension is available
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*
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* @return boolean
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*/
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public static function getIsMbstringEnabled()
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{
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if (isset(self::$isMbstringEnabled)) {
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return self::$isMbstringEnabled;
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}
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self::$isMbstringEnabled = function_exists('mb_convert_encoding') ?
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true : false;
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return self::$isMbstringEnabled;
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}
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/**
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* Get whether iconv extension is available
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*
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* @return boolean
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*/
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public static function getIsIconvEnabled()
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{
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if (isset(self::$isIconvEnabled)) {
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return self::$isIconvEnabled;
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}
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// Fail if iconv doesn't exist
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if (!function_exists('iconv')) {
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self::$isIconvEnabled = false;
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return false;
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}
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// Sometimes iconv is not working, and e.g. iconv('UTF-8', 'UTF-16LE', 'x') just returns false,
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if (!@iconv('UTF-8', 'UTF-16LE', 'x')) {
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self::$isIconvEnabled = false;
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return false;
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}
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// Sometimes iconv_substr('A', 0, 1, 'UTF-8') just returns false in PHP 5.2.0
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// we cannot use iconv in that case either (http://bugs.php.net/bug.php?id=37773)
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if (!@iconv_substr('A', 0, 1, 'UTF-8')) {
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self::$isIconvEnabled = false;
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return false;
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}
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// CUSTOM: IBM AIX iconv() does not work
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if (defined('PHP_OS') && @stristr(PHP_OS, 'AIX') && defined('ICONV_IMPL') && (@strcasecmp(ICONV_IMPL, 'unknown') == 0) && defined('ICONV_VERSION') && (@strcasecmp(ICONV_VERSION, 'unknown') == 0)) {
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self::$isIconvEnabled = false;
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return false;
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}
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// If we reach here no problems were detected with iconv
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self::$isIconvEnabled = true;
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return true;
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}
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public static function buildCharacterSets()
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||
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{
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if (empty(self::$controlCharacters)) {
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self::buildControlCharacters();
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}
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if (empty(self::$SYLKCharacters)) {
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self::buildSYLKCharacters();
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}
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||
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}
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/**
|
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* Convert from OpenXML escaped control character to PHP control character
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*
|
||
|
|
* 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 $value === '' || preg_match('/^./su', $value) === 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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
|
||
|
|
* @param mixed[] $arrcRuns Details of rich text runs in $value
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function UTF8toBIFF8UnicodeShort($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, 0x09);
|
||
|
|
$data .= pack('v', count($arrcRuns));
|
||
|
|
// characters
|
||
|
|
$data .= self::ConvertEncoding($value, 'UTF-16LE', 'UTF-8');
|
||
|
|
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 mbstring, then iconv, finally strlen
|
||
|
|
*
|
||
|
|
* @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, $from)
|
||
|
|
{
|
||
|
|
if (self::getIsIconvEnabled()) {
|
||
|
|
return iconv($from, $to, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self::getIsMbstringEnabled()) {
|
||
|
|
return mb_convert_encoding($value, $to, $from);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($from == 'UTF-16LE') {
|
||
|
|
return self::utf16_decode($value, false);
|
||
|
|
} elseif ($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, $enc = 'UTF-8')
|
||
|
|
{
|
||
|
|
if (self::getIsMbstringEnabled()) {
|
||
|
|
return mb_strlen($value, $enc);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self::getIsIconvEnabled()) {
|
||
|
|
return iconv_strlen($value, $enc);
|
||
|
|
}
|
||
|
|
|
||
|
|
// else strlen
|
||
|
|
return strlen($value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a substring of a UTF-8 encoded string. First try mbstring, then iconv, finally strlen
|
||
|
|
*
|
||
|
|
* @param string $pValue UTF-8 encoded string
|
||
|
|
* @param int $pStart Start offset
|
||
|
|
* @param int $pLength Maximum number of characters in substring
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function Substring($pValue = '', $pStart = 0, $pLength = 0)
|
||
|
|
{
|
||
|
|
if (self::getIsMbstringEnabled()) {
|
||
|
|
return mb_substr($pValue, $pStart, $pLength, 'UTF-8');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self::getIsIconvEnabled()) {
|
||
|
|
return iconv_substr($pValue, $pStart, $pLength, 'UTF-8');
|
||
|
|
}
|
||
|
|
|
||
|
|
// else substr
|
||
|
|
return substr($pValue, $pStart, $pLength);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Convert a UTF-8 encoded string to upper case
|
||
|
|
*
|
||
|
|
* @param string $pValue UTF-8 encoded string
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function StrToUpper($pValue = '')
|
||
|
|
{
|
||
|
|
if (function_exists('mb_convert_case')) {
|
||
|
|
return mb_convert_case($pValue, MB_CASE_UPPER, "UTF-8");
|
||
|
|
}
|
||
|
|
return strtoupper($pValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Convert a UTF-8 encoded string to lower case
|
||
|
|
*
|
||
|
|
* @param string $pValue UTF-8 encoded string
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function StrToLower($pValue = '')
|
||
|
|
{
|
||
|
|
if (function_exists('mb_convert_case')) {
|
||
|
|
return mb_convert_case($pValue, MB_CASE_LOWER, "UTF-8");
|
||
|
|
}
|
||
|
|
return strtolower($pValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Convert a UTF-8 encoded string to title/proper case
|
||
|
|
* (uppercase every first character in each word, lower case all other characters)
|
||
|
|
*
|
||
|
|
* @param string $pValue UTF-8 encoded string
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function StrToTitle($pValue = '')
|
||
|
|
{
|
||
|
|
if (function_exists('mb_convert_case')) {
|
||
|
|
return mb_convert_case($pValue, MB_CASE_TITLE, "UTF-8");
|
||
|
|
}
|
||
|
|
return ucwords($pValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function mb_is_upper($char)
|
||
|
|
{
|
||
|
|
return mb_strtolower($char, "UTF-8") != $char;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function mb_str_split($string)
|
||
|
|
{
|
||
|
|
# Split at all position not after the start: ^
|
||
|
|
# and not before the end: $
|
||
|
|
return preg_split('/(?<!^)(?!$)/u', $string);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reverse the case of a string, so that all uppercase characters become lowercase
|
||
|
|
* and all lowercase characters become uppercase
|
||
|
|
*
|
||
|
|
* @param string $pValue UTF-8 encoded string
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function StrCaseReverse($pValue = '')
|
||
|
|
{
|
||
|
|
if (self::getIsMbstringEnabled()) {
|
||
|
|
$characters = self::mb_str_split($pValue);
|
||
|
|
foreach ($characters as &$character) {
|
||
|
|
if (self::mb_is_upper($character)) {
|
||
|
|
$character = mb_strtolower($character, 'UTF-8');
|
||
|
|
} else {
|
||
|
|
$character = mb_strtoupper($character, 'UTF-8');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return implode('', $characters);
|
||
|
|
}
|
||
|
|
return strtolower($pValue) ^ strtoupper($pValue) ^ $pValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Identify whether a string contains a fractional numeric value,
|
||
|
|
* and convert it to a numeric if it is
|
||
|
|
*
|
||
|
|
* @param string &$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'] : $localeconv['mon_thousands_sep'];
|
||
|
|
|
||
|
|
if (self::$thousandsSeparator == '') {
|
||
|
|
// Default to .
|
||
|
|
self::$thousandsSeparator = ',';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return self::$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;
|
||
|
|
}
|
||
|
|
}
|