742 lines
21 KiB
PHP
742 lines
21 KiB
PHP
<?php
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namespace TablePress\PhpOffice\PhpSpreadsheet\Shared;
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use TablePress\Composer\Pcre\Preg;
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use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Calculation;
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use TablePress\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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private static ?string $decimalSeparator = null;
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/**
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* Thousands separator.
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*/
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private static ?string $thousandsSeparator = null;
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/**
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* Currency code.
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*/
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private static ?string $currencyCode = null;
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/**
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* Is iconv extension available?
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*/
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private static ?bool $isIconvEnabled = null;
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/**
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* iconv options.
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*/
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private static string $iconvOptions = '//IGNORE//TRANSLIT';
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/**
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* Get whether iconv extension is available.
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*/
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public static function getIsIconvEnabled(): bool
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{
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if (isset(self::$isIconvEnabled)) {
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return self::$isIconvEnabled;
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}
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// Assume no problems with iconv
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self::$isIconvEnabled = true;
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// Fail if iconv doesn't exist
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if (!function_exists('iconv')) {
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self::$isIconvEnabled = false;
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} elseif (!@iconv('UTF-8', 'UTF-16LE', 'x')) {
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// Sometimes iconv is not working, and e.g. iconv('UTF-8', 'UTF-16LE', 'x') just returns false,
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self::$isIconvEnabled = false;
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} elseif (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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// CUSTOM: IBM AIX iconv() does not work
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self::$isIconvEnabled = false;
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}
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// Deactivate iconv default options if they fail (as seen on IMB i)
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if (self::$isIconvEnabled && !@iconv('UTF-8', 'UTF-16LE' . self::$iconvOptions, 'x')) {
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self::$iconvOptions = '';
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}
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return self::$isIconvEnabled;
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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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*
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* Excel 2007 team:
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* ----------------
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* That's correct, control characters are stored directly in the shared-strings table.
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* We do encode characters that cannot be represented in XML using the following escape sequence:
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* _xHHHH_ where H represents a hexadecimal character in the character's value...
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* So you could end up with something like _x0008_ in a string (either in a cell value (<v>)
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* element or in the shared string <t> element.
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*
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* @param string $textValue Value to unescape
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*/
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public static function controlCharacterOOXML2PHP(string $textValue): string
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{
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return str_replace(self::CONTROL_CHARACTERS_VALUES, self::CONTROL_CHARACTERS_KEYS, $textValue);
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}
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/**
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* Convert from PHP control character to OpenXML escaped control character.
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*
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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>)
|
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* element or in the shared string <t> element.
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*
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* @param string $textValue Value to escape
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*/
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public static function controlCharacterPHP2OOXML(string $textValue): string
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{
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return str_replace(self::CONTROL_CHARACTERS_KEYS, self::CONTROL_CHARACTERS_VALUES, $textValue);
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}
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||
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/**
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* Try to sanitize UTF8, replacing invalid sequences with Unicode substitution characters.
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*/
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public static function sanitizeUTF8(string $textValue): string
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{
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||
$textValue = str_replace(["\xef\xbf\xbe", "\xef\xbf\xbf"], "\xef\xbf\xbd", $textValue);
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$subst = mb_substitute_character(); // default is question mark
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mb_substitute_character(65533); // Unicode substitution character
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$returnValue = (string) mb_convert_encoding($textValue, 'UTF-8', 'UTF-8');
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mb_substitute_character($subst);
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return $returnValue;
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}
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||
|
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/**
|
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* Check if a string contains UTF8 data.
|
||
*/
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public static function isUTF8(string $textValue): bool
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||
{
|
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return $textValue === self::sanitizeUTF8($textValue);
|
||
}
|
||
|
||
/**
|
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* 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 float|int|string|null $numericValue
|
||
*/
|
||
public static function formatNumber($numericValue): string
|
||
{
|
||
if (is_float($numericValue)) {
|
||
return str_replace(',', '.', (string) $numericValue);
|
||
}
|
||
|
||
return (string) $numericValue;
|
||
}
|
||
|
||
/**
|
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* 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'
|
||
*/
|
||
public static function convertEncoding(string $textValue, string $to, string $from): string
|
||
{
|
||
if (static::getIsIconvEnabled()) {
|
||
$result = iconv($from, $to . self::$iconvOptions, $textValue);
|
||
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, $trimAlt);
|
||
}
|
||
|
||
/**
|
||
* Get the decimal separator. If it has not yet been set explicitly, try to obtain number
|
||
* formatting information from locale.
|
||
*/
|
||
public static function getDecimalSeparator(): string
|
||
{
|
||
if (!isset(self::$decimalSeparator)) {
|
||
self::$decimalSeparator = self::getLocaleValue('decimal_point', 'mon_decimal_point', '.');
|
||
}
|
||
|
||
return self::$decimalSeparator;
|
||
}
|
||
|
||
/**
|
||
* 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 $separator): void
|
||
{
|
||
self::$decimalSeparator = $separator;
|
||
}
|
||
|
||
/**
|
||
* Get the thousands separator. If it has not yet been set explicitly, try to obtain number
|
||
* formatting information from locale.
|
||
*/
|
||
public static function getThousandsSeparator(): string
|
||
{
|
||
if (!isset(self::$thousandsSeparator)) {
|
||
self::$thousandsSeparator = self::getLocaleValue('thousands_sep', 'mon_thousands_sep', ',');
|
||
}
|
||
|
||
return self::$thousandsSeparator;
|
||
}
|
||
|
||
/**
|
||
* 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 $separator): void
|
||
{
|
||
self::$thousandsSeparator = $separator;
|
||
}
|
||
|
||
/**
|
||
* 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 $trimAlt = false): string
|
||
{
|
||
if (!isset(self::$currencyCode)) {
|
||
self::$currencyCode = self::getLocaleValue('currency_symbol', 'int_curr_symbol', '$', $trimAlt);
|
||
}
|
||
|
||
return self::$currencyCode;
|
||
}
|
||
|
||
/**
|
||
* 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 $currencyCode): void
|
||
{
|
||
self::$currencyCode = $currencyCode;
|
||
}
|
||
|
||
/**
|
||
* 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 $textValue)
|
||
{
|
||
if (is_numeric($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
|
||
* @param mixed $value
|
||
*/
|
||
public static function convertToString($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($value) || is_object($value) && method_exists($value, '__toString')) {
|
||
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 $default;
|
||
}
|
||
|
||
/**
|
||
* Php introduced str_increment with Php8.3,
|
||
* but didn't issue deprecation notices till 8.5.
|
||
*
|
||
* @codeCoverageIgnore
|
||
*/
|
||
public static function stringIncrement(string &$str): string
|
||
{
|
||
if (function_exists('str_increment')) {
|
||
$str = str_increment($str); // @phpstan-ignore-line
|
||
} else {
|
||
++$str; // @phpstan-ignore-line
|
||
}
|
||
|
||
return $str; // @phpstan-ignore-line
|
||
}
|
||
}
|