2026-10-18 17:01:36 +00:00
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<?php
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namespace PhpOffice\PhpSpreadsheet\Shared;
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use Composer\Pcre\Preg;
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2026-10-18 19:27:17 -04:00
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use IntlCalendar;
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use NumberFormatter;
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2026-10-18 17:01:36 +00:00
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
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use PhpOffice\PhpSpreadsheet\Exception as SpreadsheetException;
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use Stringable;
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class StringHelper
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{
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private const CONTROL_CHARACTERS_KEYS = [
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"\x00",
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"\x01",
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"\x02",
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"\x03",
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"\x04",
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"\x05",
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"\x06",
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"\x07",
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"\x08",
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"\x0b",
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"\x0c",
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"\x0e",
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"\x0f",
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"\x10",
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"\x11",
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"\x12",
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"\x13",
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"\x14",
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"\x15",
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"\x16",
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"\x17",
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"\x18",
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"\x19",
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"\x1a",
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"\x1b",
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"\x1c",
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"\x1d",
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"\x1e",
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"\x1f",
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];
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private const CONTROL_CHARACTERS_VALUES = [
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'_x0000_',
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'_x0001_',
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'_x0002_',
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'_x0003_',
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'_x0004_',
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'_x0005_',
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'_x0006_',
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'_x0007_',
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'_x0008_',
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'_x000B_',
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'_x000C_',
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'_x000E_',
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'_x000F_',
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'_x0010_',
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'_x0011_',
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'_x0012_',
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'_x0013_',
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'_x0014_',
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'_x0015_',
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'_x0016_',
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'_x0017_',
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'_x0018_',
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'_x0019_',
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'_x001A_',
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'_x001B_',
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'_x001C_',
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'_x001D_',
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'_x001E_',
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'_x001F_',
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];
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/**
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* SYLK Characters array.
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*/
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private const SYLK_CHARACTERS = [
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"\x1B 0" => "\x00",
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"\x1B 1" => "\x01",
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"\x1B 2" => "\x02",
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"\x1B 3" => "\x03",
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"\x1B 4" => "\x04",
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"\x1B 5" => "\x05",
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"\x1B 6" => "\x06",
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"\x1B 7" => "\x07",
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"\x1B 8" => "\x08",
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"\x1B 9" => "\x09",
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"\x1B :" => "\x0a",
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"\x1B ;" => "\x0b",
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"\x1B <" => "\x0c",
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"\x1B =" => "\x0d",
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"\x1B >" => "\x0e",
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"\x1B ?" => "\x0f",
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"\x1B!0" => "\x10",
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"\x1B!1" => "\x11",
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"\x1B!2" => "\x12",
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"\x1B!3" => "\x13",
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"\x1B!4" => "\x14",
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"\x1B!5" => "\x15",
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"\x1B!6" => "\x16",
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"\x1B!7" => "\x17",
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"\x1B!8" => "\x18",
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"\x1B!9" => "\x19",
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"\x1B!:" => "\x1a",
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"\x1B!;" => "\x1b",
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"\x1B!<" => "\x1c",
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"\x1B!=" => "\x1d",
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"\x1B!>" => "\x1e",
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"\x1B!?" => "\x1f",
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"\x1B'?" => "\x7f",
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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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* Decimal separator.
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*/
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protected static ?string $decimalSeparator = null;
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/**
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* Thousands separator.
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*/
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protected static ?string $thousandsSeparator = null;
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/**
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* Currency code.
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*/
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protected static ?string $currencyCode = null;
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/**
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* Is iconv extension available?
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2026-10-18 17:01:36 +00:00
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*/
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protected static ?bool $isIconvEnabled = null;
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2026-10-18 17:01:36 +00:00
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* iconv options.
|
|
|
|
|
|
*/
|
2026-10-18 19:27:17 -04:00
|
|
|
|
protected static string $iconvOptions = '//IGNORE//TRANSLIT';
|
|
|
|
|
|
|
|
|
|
|
|
/** @var string[] */
|
|
|
|
|
|
protected static array $iconvOptionsArray = ['//IGNORE//TRANSLIT', '//IGNORE'];
|
|
|
|
|
|
|
|
|
|
|
|
/** @internal */
|
|
|
|
|
|
protected static string $iconvName = 'iconv';
|
|
|
|
|
|
|
|
|
|
|
|
/** @internal */
|
|
|
|
|
|
protected static bool $iconvTest2 = false;
|
|
|
|
|
|
|
|
|
|
|
|
/** @internal */
|
|
|
|
|
|
protected static bool $iconvTest3 = false;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Get whether iconv extension is available.
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function getIsIconvEnabled(): bool
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
if (isset(static::$isIconvEnabled)) {
|
|
|
|
|
|
return static::$isIconvEnabled;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Assume no problems with iconv
|
2026-10-18 19:27:17 -04:00
|
|
|
|
static::$isIconvEnabled = true;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
|
|
|
|
|
|
// Fail if iconv doesn't exist
|
2026-10-18 19:27:17 -04:00
|
|
|
|
if (!function_exists(static::$iconvName)) {
|
|
|
|
|
|
static::$isIconvEnabled = false;
|
|
|
|
|
|
} elseif (static::$iconvTest2 || !@iconv('UTF-8', 'UTF-16LE', 'x')) {
|
2026-10-18 17:01:36 +00:00
|
|
|
|
// Sometimes iconv is not working, and e.g. iconv('UTF-8', 'UTF-16LE', 'x') just returns false,
|
2026-10-18 19:27:17 -04:00
|
|
|
|
static::$isIconvEnabled = false;
|
|
|
|
|
|
} elseif (static::$iconvTest3 || (defined('PHP_OS') && @stristr(PHP_OS, 'AIX') && defined('ICONV_IMPL') && (@strcasecmp(ICONV_IMPL, 'unknown') == 0) && defined('ICONV_VERSION') && (@strcasecmp(ICONV_VERSION, 'unknown') == 0))) {
|
2026-10-18 17:01:36 +00:00
|
|
|
|
// CUSTOM: IBM AIX iconv() does not work
|
2026-10-18 19:27:17 -04:00
|
|
|
|
static::$isIconvEnabled = false;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-10-18 19:27:17 -04:00
|
|
|
|
// Deactivate iconv default options if they fail (as seen on IBM i-series)
|
|
|
|
|
|
if (static::$isIconvEnabled) {
|
|
|
|
|
|
static::$iconvOptions = '';
|
|
|
|
|
|
foreach (static::$iconvOptionsArray as $option) {
|
|
|
|
|
|
if (@iconv('UTF-8', 'UTF-16LE' . $option, 'x') !== false) {
|
|
|
|
|
|
static::$iconvOptions = $option;
|
|
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-10-18 19:27:17 -04:00
|
|
|
|
return static::$isIconvEnabled;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* 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 $textValue Value to unescape
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function controlCharacterOOXML2PHP(string $textValue): string
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
return Preg::replaceCallback('/_x[0-9A-F]{4}_(_xD[CDEF][0-9A-F]{2}_)?/', self::toOutChar(...), $textValue);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private static function toHexVal(string $char): int
|
|
|
|
|
|
{
|
|
|
|
|
|
if ($char >= '0' && $char <= '9') {
|
|
|
|
|
|
return ord($char) - ord('0');
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return ord($char) - ord('A') + 10;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/** @param array<?string> $match */
|
|
|
|
|
|
private static function toOutChar(array $match): string
|
|
|
|
|
|
{
|
|
|
|
|
|
/** @var string */
|
|
|
|
|
|
$chars = $match[0];
|
|
|
|
|
|
$h = ((self::toHexVal($chars[2]) << 12)
|
|
|
|
|
|
| (self::toHexVal($chars[3]) << 8)
|
|
|
|
|
|
| (self::toHexVal($chars[4]) << 4)
|
|
|
|
|
|
| (self::toHexVal($chars[5])));
|
|
|
|
|
|
if (strlen($chars) === 7) { // no low surrogate
|
|
|
|
|
|
if ($chars[2] === 'D' && in_array($chars[3], ['8', '9', 'A', 'B', 'C', 'D', 'E', 'F'], true)) {
|
|
|
|
|
|
return '�';
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return mb_chr($h, 'UTF-8');
|
|
|
|
|
|
}
|
|
|
|
|
|
if ($chars[2] === 'D' && in_array($chars[3], ['C', 'D', 'D', 'F'], true)) {
|
|
|
|
|
|
return '�'; // Excel interprets as one substitute, not 2
|
|
|
|
|
|
}
|
|
|
|
|
|
if ($chars[2] !== 'D' || !in_array($chars[3], ['8', '9', 'A', 'B'], true)) {
|
|
|
|
|
|
return mb_chr($h, 'UTF-8') . '�';
|
|
|
|
|
|
}
|
|
|
|
|
|
$l = ((self::toHexVal($chars[9]) << 12)
|
|
|
|
|
|
| (self::toHexVal($chars[10]) << 8)
|
|
|
|
|
|
| (self::toHexVal($chars[11]) << 4)
|
|
|
|
|
|
| (self::toHexVal($chars[12])));
|
|
|
|
|
|
$result = 0x10000 + ($h - 0xD800) * 0x400 + ($l - 0xDC00);
|
|
|
|
|
|
|
|
|
|
|
|
return mb_chr($result, 'UTF-8');
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* 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 $textValue Value to escape
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function controlCharacterPHP2OOXML(string $textValue): string
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
$textValue = Preg::replace('/_(x[0-9A-F]{4}_)/', '_x005F_$1', $textValue);
|
|
|
|
|
|
|
2026-10-18 17:01:36 +00:00
|
|
|
|
return str_replace(self::CONTROL_CHARACTERS_KEYS, self::CONTROL_CHARACTERS_VALUES, $textValue);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Try to sanitize UTF8, replacing invalid sequences with Unicode substitution characters.
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function sanitizeUTF8(string $textValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
$textValue = str_replace(["\xef\xbf\xbe", "\xef\xbf\xbf"], "\xef\xbf\xbd", $textValue);
|
|
|
|
|
|
$subst = mb_substitute_character(); // default is question mark
|
|
|
|
|
|
mb_substitute_character(65533); // Unicode substitution character
|
|
|
|
|
|
$returnValue = (string) mb_convert_encoding($textValue, 'UTF-8', 'UTF-8');
|
|
|
|
|
|
mb_substitute_character($subst);
|
|
|
|
|
|
|
|
|
|
|
|
return $returnValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Check if a string contains UTF8 data.
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function isUTF8(string $textValue): bool
|
|
|
|
|
|
{
|
|
|
|
|
|
return $textValue === self::sanitizeUTF8($textValue);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* 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.
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function formatNumber(float|int|string|null $numericValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
if (is_float($numericValue)) {
|
|
|
|
|
|
return str_replace(',', '.', (string) $numericValue);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return (string) $numericValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* 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 $textValue UTF-8 encoded string
|
|
|
|
|
|
* @param array<int, array{strlen: int, fontidx: int}> $arrcRuns Details of rich text runs in $value
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function UTF8toBIFF8UnicodeShort(string $textValue, array $arrcRuns = []): string
|
|
|
|
|
|
{
|
|
|
|
|
|
// character count
|
|
|
|
|
|
$ln = self::countCharacters($textValue, 'UTF-8');
|
|
|
|
|
|
// option flags
|
|
|
|
|
|
if (empty($arrcRuns)) {
|
|
|
|
|
|
$data = pack('CC', $ln, 0x0001);
|
|
|
|
|
|
// characters
|
|
|
|
|
|
$data .= self::convertEncoding($textValue, 'UTF-16LE', 'UTF-8');
|
|
|
|
|
|
} else {
|
|
|
|
|
|
$data = pack('vC', $ln, 0x09);
|
|
|
|
|
|
$data .= pack('v', count($arrcRuns));
|
|
|
|
|
|
// characters
|
|
|
|
|
|
$data .= self::convertEncoding($textValue, '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 $textValue UTF-8 encoded string
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function UTF8toBIFF8UnicodeLong(string $textValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
// characters
|
|
|
|
|
|
$chars = self::convertEncoding($textValue, 'UTF-16LE', 'UTF-8');
|
|
|
|
|
|
$ln = (int) (strlen($chars) / 2); // N.B. - strlen, not mb_strlen issue #642
|
|
|
|
|
|
|
|
|
|
|
|
return pack('vC', $ln, 0x0001) . $chars;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Convert string from one encoding to another.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $to Encoding to convert to, e.g. 'UTF-8'
|
|
|
|
|
|
* @param string $from Encoding to convert from, e.g. 'UTF-16LE'
|
|
|
|
|
|
*/
|
2026-10-18 19:27:17 -04:00
|
|
|
|
public static function convertEncoding(string $textValue, string $to, string $from, ?string $options = null): string
|
2026-10-18 17:01:36 +00:00
|
|
|
|
{
|
|
|
|
|
|
if (static::getIsIconvEnabled()) {
|
2026-10-18 19:27:17 -04:00
|
|
|
|
$result = iconv($from, $to . ($options ?? static::$iconvOptions), $textValue);
|
2026-10-18 17:01:36 +00:00
|
|
|
|
if (false !== $result) {
|
|
|
|
|
|
return $result;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return (string) mb_convert_encoding($textValue, $to, $from);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Get character count.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $encoding Encoding
|
|
|
|
|
|
*
|
|
|
|
|
|
* @return int Character count
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function countCharacters(string $textValue, string $encoding = 'UTF-8'): int
|
|
|
|
|
|
{
|
|
|
|
|
|
return mb_strlen($textValue, $encoding);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Get character count using mb_strwidth rather than mb_strlen.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $encoding Encoding
|
|
|
|
|
|
*
|
|
|
|
|
|
* @return int Character count
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function countCharactersDbcs(string $textValue, string $encoding = 'UTF-8'): int
|
|
|
|
|
|
{
|
|
|
|
|
|
return mb_strwidth($textValue, $encoding);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Get a substring of a UTF-8 encoded string.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $textValue UTF-8 encoded string
|
|
|
|
|
|
* @param int $offset Start offset
|
|
|
|
|
|
* @param ?int $length Maximum number of characters in substring
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function substring(string $textValue, int $offset, ?int $length = 0): string
|
|
|
|
|
|
{
|
|
|
|
|
|
return mb_substr($textValue, $offset, $length, 'UTF-8');
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Convert a UTF-8 encoded string to upper case.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $textValue UTF-8 encoded string
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function strToUpper(string $textValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
return mb_convert_case($textValue, MB_CASE_UPPER, 'UTF-8');
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Convert a UTF-8 encoded string to lower case.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $textValue UTF-8 encoded string
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function strToLower(string $textValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
return mb_convert_case($textValue, MB_CASE_LOWER, 'UTF-8');
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Convert a UTF-8 encoded string to title/proper case
|
|
|
|
|
|
* (uppercase every first character in each word, lower case all other characters).
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $textValue UTF-8 encoded string
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function strToTitle(string $textValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
return mb_convert_case($textValue, MB_CASE_TITLE, 'UTF-8');
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public static function mbIsUpper(string $character): bool
|
|
|
|
|
|
{
|
|
|
|
|
|
return mb_strtolower($character, 'UTF-8') !== $character;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Splits a UTF-8 string into an array of individual characters.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @return string[]
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function mbStrSplit(string $string): array
|
|
|
|
|
|
{
|
|
|
|
|
|
// Split at all position not after the start: ^
|
|
|
|
|
|
// and not before the end: $
|
|
|
|
|
|
$split = Preg::split('/(?<!^)(?!$)/u', $string);
|
|
|
|
|
|
|
|
|
|
|
|
return $split;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Reverse the case of a string, so that all uppercase characters become lowercase
|
|
|
|
|
|
* and all lowercase characters become uppercase.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $textValue UTF-8 encoded string
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function strCaseReverse(string $textValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
$characters = self::mbStrSplit($textValue);
|
|
|
|
|
|
foreach ($characters as &$character) {
|
|
|
|
|
|
if (self::mbIsUpper($character)) {
|
|
|
|
|
|
$character = mb_strtolower($character, 'UTF-8');
|
|
|
|
|
|
} else {
|
|
|
|
|
|
$character = mb_strtoupper($character, 'UTF-8');
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return implode('', $characters);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private static function useAlt(string $altValue, string $default, bool $trimAlt): string
|
|
|
|
|
|
{
|
|
|
|
|
|
return ($trimAlt ? trim($altValue) : $altValue) ?: $default;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
private static function getLocaleValue(string $key, string $altKey, string $default, bool $trimAlt = false): string
|
|
|
|
|
|
{
|
|
|
|
|
|
/** @var string[] */
|
|
|
|
|
|
$localeconv = localeconv();
|
|
|
|
|
|
$rslt = $localeconv[$key];
|
|
|
|
|
|
// win-1252 implements Euro as 0x80 plus other symbols
|
|
|
|
|
|
// Not suitable for Composer\Pcre\Preg
|
|
|
|
|
|
if (preg_match('//u', $rslt) !== 1) {
|
|
|
|
|
|
$rslt = '';
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return $rslt ?: self::useAlt($localeconv[$altKey], $default, $trimAlt);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Get the decimal separator. If it has not yet been set explicitly, try to obtain number
|
|
|
|
|
|
* formatting information from locale.
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function getDecimalSeparator(): string
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
if (!isset(static::$decimalSeparator)) {
|
|
|
|
|
|
static::$decimalSeparator = self::getLocaleValue('decimal_point', 'mon_decimal_point', '.');
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-10-18 19:27:17 -04:00
|
|
|
|
return static::$decimalSeparator;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Set the decimal separator. Only used by NumberFormat::toFormattedString()
|
|
|
|
|
|
* to format output by \PhpOffice\PhpSpreadsheet\Writer\Html and \PhpOffice\PhpSpreadsheet\Writer\Pdf.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param ?string $separator Character for decimal separator
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function setDecimalSeparator(?string $separator): void
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
static::$decimalSeparator = $separator;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Get the thousands separator. If it has not yet been set explicitly, try to obtain number
|
|
|
|
|
|
* formatting information from locale.
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function getThousandsSeparator(): string
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
if (!isset(static::$thousandsSeparator)) {
|
|
|
|
|
|
static::$thousandsSeparator = self::getLocaleValue('thousands_sep', 'mon_thousands_sep', ',');
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-10-18 19:27:17 -04:00
|
|
|
|
return static::$thousandsSeparator;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Set the thousands separator. Only used by NumberFormat::toFormattedString()
|
|
|
|
|
|
* to format output by \PhpOffice\PhpSpreadsheet\Writer\Html and \PhpOffice\PhpSpreadsheet\Writer\Pdf.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param ?string $separator Character for thousands separator
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function setThousandsSeparator(?string $separator): void
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
static::$thousandsSeparator = $separator;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Get the currency code. If it has not yet been set explicitly, try to obtain the
|
|
|
|
|
|
* symbol information from locale.
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function getCurrencyCode(bool $trimAlt = false): string
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
if (!isset(static::$currencyCode)) {
|
|
|
|
|
|
static::$currencyCode = self::getLocaleValue('currency_symbol', 'int_curr_symbol', '$', $trimAlt);
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-10-18 19:27:17 -04:00
|
|
|
|
return static::$currencyCode;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Set the currency code. Only used by NumberFormat::toFormattedString()
|
|
|
|
|
|
* to format output by \PhpOffice\PhpSpreadsheet\Writer\Html and \PhpOffice\PhpSpreadsheet\Writer\Pdf.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param ?string $currencyCode Character for currency code
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function setCurrencyCode(?string $currencyCode): void
|
|
|
|
|
|
{
|
2026-10-18 19:27:17 -04:00
|
|
|
|
static::$currencyCode = $currencyCode;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Convert SYLK encoded string to UTF-8.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param string $textValue SYLK encoded string
|
|
|
|
|
|
*
|
|
|
|
|
|
* @return string UTF-8 encoded string
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function SYLKtoUTF8(string $textValue): string
|
|
|
|
|
|
{
|
|
|
|
|
|
// If there is no escape character in the string there is nothing to do
|
|
|
|
|
|
if (!str_contains($textValue, "\x1b")) {
|
|
|
|
|
|
return $textValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
foreach (self::SYLK_CHARACTERS as $k => $v) {
|
|
|
|
|
|
$textValue = str_replace($k, $v, $textValue);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return $textValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* 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).
|
|
|
|
|
|
*
|
|
|
|
|
|
* @return float|string string or only the leading numeric part of the string
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function testStringAsNumeric(string $textValue): float|string
|
|
|
|
|
|
{
|
|
|
|
|
|
if (is_numeric($textValue)) {
|
|
|
|
|
|
return $textValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
$v = (float) $textValue;
|
|
|
|
|
|
|
|
|
|
|
|
return (is_numeric(substr($textValue, 0, strlen((string) $v)))) ? $v : $textValue;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public static function strlenAllowNull(?string $string): int
|
|
|
|
|
|
{
|
|
|
|
|
|
return strlen("$string");
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* @param bool $convertBool If true, convert bool to locale-aware TRUE/FALSE rather than 1/null-string
|
|
|
|
|
|
* @param bool $lessFloatPrecision If true, floats will be converted to a more human-friendly but less computationally accurate value
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function convertToString(mixed $value, bool $throw = true, string $default = '', bool $convertBool = false, bool $lessFloatPrecision = false): string
|
|
|
|
|
|
{
|
|
|
|
|
|
if ($convertBool && is_bool($value)) {
|
|
|
|
|
|
return $value ? Calculation::getTRUE() : Calculation::getFALSE();
|
|
|
|
|
|
}
|
|
|
|
|
|
if (is_float($value) && !$lessFloatPrecision) {
|
|
|
|
|
|
$string = (string) $value;
|
|
|
|
|
|
// look out for scientific notation
|
|
|
|
|
|
if (!Preg::isMatch('/[^-+0-9.]/', $string)) {
|
|
|
|
|
|
$minus = $value < 0 ? '-' : '';
|
|
|
|
|
|
$positive = abs($value);
|
|
|
|
|
|
$floor = floor($positive);
|
|
|
|
|
|
$oldFrac = (string) ($positive - $floor);
|
|
|
|
|
|
$frac = Preg::replace('/^0[.](\d+)$/', '$1', $oldFrac);
|
|
|
|
|
|
if ($frac !== $oldFrac) {
|
|
|
|
|
|
return "$minus$floor.$frac";
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return $string;
|
|
|
|
|
|
}
|
|
|
|
|
|
if ($value === null || is_scalar($value) || $value instanceof Stringable) {
|
|
|
|
|
|
return (string) $value;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if ($throw) {
|
|
|
|
|
|
throw new SpreadsheetException('Unable to convert to string');
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return $default;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Assist with POST items when samples are run in browser.
|
|
|
|
|
|
* Never run as part of unit tests, which are command line.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @codeCoverageIgnore
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function convertPostToString(string $index, string $default = ''): string
|
|
|
|
|
|
{
|
|
|
|
|
|
if (isset($_POST[$index])) {
|
|
|
|
|
|
return htmlentities(self::convertToString($_POST[$index], false, $default));
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return $default;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Php introduced str_increment with Php8.3,
|
|
|
|
|
|
* but didn't issue deprecation notices till 8.5.
|
|
|
|
|
|
*
|
2026-10-18 19:27:17 -04:00
|
|
|
|
* @param-out string $str
|
|
|
|
|
|
*
|
2026-10-18 17:01:36 +00:00
|
|
|
|
* @codeCoverageIgnore
|
|
|
|
|
|
*/
|
|
|
|
|
|
public static function stringIncrement(string &$str): string
|
|
|
|
|
|
{
|
|
|
|
|
|
if (function_exists('str_increment')) {
|
2026-10-18 19:27:17 -04:00
|
|
|
|
/** @var non-empty-string $str */
|
|
|
|
|
|
$str2 = str_increment($str);
|
2026-10-18 17:01:36 +00:00
|
|
|
|
} else {
|
2026-10-18 19:27:17 -04:00
|
|
|
|
$str1 = $str;
|
|
|
|
|
|
/**
|
|
|
|
|
|
* This is an outright lie, but I don't know how else to satisfy Phpstan for Php8.5+.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @var numeric-string $str1
|
|
|
|
|
|
*/
|
|
|
|
|
|
++$str1;
|
|
|
|
|
|
$str2 = "$str1";
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-10-18 19:27:17 -04:00
|
|
|
|
/**
|
|
|
|
|
|
* This is demonstrably the case. I don't know why Phpstan thinks $str2 is mixed at this point.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @var string $str2 set above by str_increment or ="..."
|
|
|
|
|
|
*/
|
|
|
|
|
|
$str = $str2;
|
|
|
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return $str;
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}
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/** @internal */
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protected static string $testClass = IntlCalendar::class;
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/**
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* Set all of currencyCode, thousandsSeparator, decimalSeparator,
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* and Calculation locale with a single call.
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* The main point here is avoid the use of Php setlocale,
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* which is not threadsafe. It uses the Intl extension instead,
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* which is not a requirement for PhpSpreadsheet.
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* Because of that, the function returns a bool which will
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* be false if Intl is not available, or the supplied locale
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* is not valid according to Intl.
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*/
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|
public static function setLocale(?string $locale): bool
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{
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if ($locale === null) {
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self::$currencyCode = null;
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self::$thousandsSeparator = null;
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self::$decimalSeparator = null;
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Calculation::getInstance()->setLocale('en_us');
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return true;
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}
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$localeCalc = $locale;
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if (Preg::isMatch('/^([a-z][a-z])_([a-z][a-z])(?:[.]utf-8)?$/i', $locale, $matches)) {
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$locale = strtolower($matches[1]) . '_' . strtoupper($matches[2]);
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$localeCalc = strtolower($matches[1]) . '_' . strtolower($matches[2]);
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}
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|
|
if (!class_exists(static::$testClass)) {
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return false;
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|
}
|
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|
|
// NumberFormatter constructor succeeds even with
|
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|
|
|
// bad locale before Php8.4, so try to validate
|
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|
|
|
// the locale beforehand.
|
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|
|
$locales = IntlCalendar::getAvailableLocales();
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|
|
if (!in_array($locale, $locales, true)) {
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|
|
return false;
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|
|
|
|
}
|
|
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|
|
|
$formatter = new NumberFormatter(
|
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|
|
|
|
$locale,
|
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|
|
|
|
NumberFormatter::CURRENCY
|
|
|
|
|
|
);
|
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|
|
|
|
$currency = $formatter->getSymbol(
|
|
|
|
|
|
NumberFormatter::CURRENCY_SYMBOL
|
|
|
|
|
|
);
|
|
|
|
|
|
$formatter = new NumberFormatter(
|
|
|
|
|
|
$locale,
|
|
|
|
|
|
NumberFormatter::DECIMAL
|
|
|
|
|
|
);
|
|
|
|
|
|
$thousands = $formatter->getSymbol(
|
|
|
|
|
|
NumberFormatter::GROUPING_SEPARATOR_SYMBOL
|
|
|
|
|
|
);
|
|
|
|
|
|
$decimal = $formatter->getSymbol(
|
|
|
|
|
|
NumberFormatter::DECIMAL_SEPARATOR_SYMBOL
|
|
|
|
|
|
);
|
|
|
|
|
|
self::$currencyCode = $currency;
|
|
|
|
|
|
self::$thousandsSeparator = $thousands;
|
|
|
|
|
|
self::$decimalSeparator = $decimal;
|
|
|
|
|
|
Calculation::getInstance()->setLocale($localeCalc);
|
|
|
|
|
|
|
|
|
|
|
|
return true;
|
2026-10-18 17:01:36 +00:00
|
|
|
|
}
|
|
|
|
|
|
}
|
