elkarte / Elkarte

sources/subs/Charset.subs.php

<?php

/**
 * This file contains utility functions related to charsets.
 *
 * @package   ElkArte Forum
 * @copyright ElkArte Forum contributors
 * @license   BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file)
 *
 * This file contains code covered by:
 * copyright: 2011 Simple Machines (http://www.simplemachines.org)
 *
 * @version 2.0 dev
 *
 */

/**
 * Converts the given UTF-8 string into lowercase.
 * equivalent to mb_strtolower($string, 'UTF-8')
 *
 * @param string $string
 * @return string
 */
function utf8_strtolower($string)
{
	static $case_folding = array(
		'A' => 'a', 'B' => 'b', 'C' => 'c', 'D' => 'd',
		'E' => 'e', 'F' => 'f', 'G' => 'g', 'H' => 'h',
		'I' => 'i', 'J' => 'j', 'K' => 'k', 'L' => 'l',
		'M' => 'm', 'N' => 'n', 'O' => 'o', 'P' => 'p',
		'Q' => 'q', 'R' => 'r', 'S' => 's', 'T' => 't',
		'U' => 'u', 'V' => 'v', 'W' => 'w', 'X' => 'x',
		'Y' => 'y', 'Z' => 'z', 'µ' => 'μ', 'À' => 'à',
		'Á' => 'á', 'Â' => 'â', 'Ã' => 'ã', 'Ä' => 'ä',
		'Å' => 'å', 'Æ' => 'æ', 'Ç' => 'ç', 'È' => 'è',
		'É' => 'é', 'Ê' => 'ê', 'Ë' => 'ë', 'Ì' => 'ì',
		'Í' => 'í', 'Î' => 'î', 'Ï' => 'ï', 'Ð' => 'ð',
		'Ñ' => 'ñ', 'Ò' => 'ò', 'Ó' => 'ó', 'Ô' => 'ô',
		'Õ' => 'õ', 'Ö' => 'ö', 'Ø' => 'ø', 'Ù' => 'ù',
		'Ú' => 'ú', 'Û' => 'û', 'Ü' => 'ü', 'Ý' => 'ý',
		'Þ' => 'þ', 'ß' => 'ss', 'Ā' => 'ā', 'Ă' => 'ă',
		'Ą' => 'ą', 'Ć' => 'ć', 'Ĉ' => 'ĉ', 'Ċ' => 'ċ',
		'Č' => 'č', 'Ď' => 'ď', 'Đ' => 'đ', 'Ē' => 'ē',
		'Ĕ' => 'ĕ', 'Ė' => 'ė', 'Ę' => 'ę', 'Ě' => 'ě',
		'Ĝ' => 'ĝ', 'Ğ' => 'ğ', 'Ġ' => 'ġ', 'Ģ' => 'ģ',
		'Ĥ' => 'ĥ', 'Ħ' => 'ħ', 'Ĩ' => 'ĩ', 'Ī' => 'ī',
		'Ĭ' => 'ĭ', 'Į' => 'į', 'İ' => 'i̇', 'IJ' => 'ij',
		'Ĵ' => 'ĵ', 'Ķ' => 'ķ', 'Ĺ' => 'ĺ', 'Ļ' => 'ļ',
		'Ľ' => 'ľ', 'Ŀ' => 'ŀ', 'Ł' => 'ł', 'Ń' => 'ń',
		'Ņ' => 'ņ', 'Ň' => 'ň', 'ʼn' => 'ʼn', 'Ŋ' => 'ŋ',
		'Ō' => 'ō', 'Ŏ' => 'ŏ', 'Ő' => 'ő', 'Œ' => 'œ',
		'Ŕ' => 'ŕ', 'Ŗ' => 'ŗ', 'Ř' => 'ř', 'Ś' => 'ś',
		'Ŝ' => 'ŝ', 'Ş' => 'ş', 'Š' => 'š', 'Ţ' => 'ţ',
		'Ť' => 'ť', 'Ŧ' => 'ŧ', 'Ũ' => 'ũ', 'Ū' => 'ū',
		'Ŭ' => 'ŭ', 'Ů' => 'ů', 'Ű' => 'ű', 'Ų' => 'ų',
		'Ŵ' => 'ŵ', 'Ŷ' => 'ŷ', 'Ÿ' => 'ÿ', 'Ź' => 'ź',
		'Ż' => 'ż', 'Ž' => 'ž', 'ſ' => 's', 'Ɓ' => 'ɓ',
		'Ƃ' => 'ƃ', 'Ƅ' => 'ƅ', 'Ɔ' => 'ɔ', 'Ƈ' => 'ƈ',
		'Ɖ' => 'ɖ', 'Ɗ' => 'ɗ', 'Ƌ' => 'ƌ', 'Ǝ' => 'ǝ',
		'Ə' => 'ə', 'Ɛ' => 'ɛ', 'Ƒ' => 'ƒ', 'Ɠ' => 'ɠ',
		'Ɣ' => 'ɣ', 'Ɩ' => 'ɩ', 'Ɨ' => 'ɨ', 'Ƙ' => 'ƙ',
		'Ɯ' => 'ɯ', 'Ɲ' => 'ɲ', 'Ɵ' => 'ɵ', 'Ơ' => 'ơ',
		'Ƣ' => 'ƣ', 'Ƥ' => 'ƥ', 'Ʀ' => 'ʀ', 'Ƨ' => 'ƨ',
		'Ʃ' => 'ʃ', 'Ƭ' => 'ƭ', 'Ʈ' => 'ʈ', 'Ư' => 'ư',
		'Ʊ' => 'ʊ', 'Ʋ' => 'ʋ', 'Ƴ' => 'ƴ', 'Ƶ' => 'ƶ',
		'Ʒ' => 'ʒ', 'Ƹ' => 'ƹ', 'Ƽ' => 'ƽ', 'DŽ' => 'dž',
		'Dž' => 'dž', 'LJ' => 'lj', 'Lj' => 'lj', 'NJ' => 'nj',
		'Nj' => 'nj', 'Ǎ' => 'ǎ', 'Ǐ' => 'ǐ', 'Ǒ' => 'ǒ',
		'Ǔ' => 'ǔ', 'Ǖ' => 'ǖ', 'Ǘ' => 'ǘ', 'Ǚ' => 'ǚ',
		'Ǜ' => 'ǜ', 'Ǟ' => 'ǟ', 'Ǡ' => 'ǡ', 'Ǣ' => 'ǣ',
		'Ǥ' => 'ǥ', 'Ǧ' => 'ǧ', 'Ǩ' => 'ǩ', 'Ǫ' => 'ǫ',
		'Ǭ' => 'ǭ', 'Ǯ' => 'ǯ', 'ǰ' => 'ǰ', 'DZ' => 'dz',
		'Dz' => 'dz', 'Ǵ' => 'ǵ', 'Ƕ' => 'ƕ', 'Ƿ' => 'ƿ',
		'Ǹ' => 'ǹ', 'Ǻ' => 'ǻ', 'Ǽ' => 'ǽ', 'Ǿ' => 'ǿ',
		'Ȁ' => 'ȁ', 'Ȃ' => 'ȃ', 'Ȅ' => 'ȅ', 'Ȇ' => 'ȇ',
		'Ȉ' => 'ȉ', 'Ȋ' => 'ȋ', 'Ȍ' => 'ȍ', 'Ȏ' => 'ȏ',
		'Ȑ' => 'ȑ', 'Ȓ' => 'ȓ', 'Ȕ' => 'ȕ', 'Ȗ' => 'ȗ',
		'Ș' => 'ș', 'Ț' => 'ț', 'Ȝ' => 'ȝ', 'Ȟ' => 'ȟ',
		'Ƞ' => 'ƞ', 'Ȣ' => 'ȣ', 'Ȥ' => 'ȥ', 'Ȧ' => 'ȧ',
		'Ȩ' => 'ȩ', 'Ȫ' => 'ȫ', 'Ȭ' => 'ȭ', 'Ȯ' => 'ȯ',
		'Ȱ' => 'ȱ', 'Ȳ' => 'ȳ', 'Ⱥ' => 'ⱥ', 'Ȼ' => 'ȼ',
		'Ƚ' => 'ƚ', 'Ⱦ' => 'ⱦ', 'Ɂ' => 'ɂ', 'Ƀ' => 'ƀ',
		'Ʉ' => 'ʉ', 'Ʌ' => 'ʌ', 'Ɇ' => 'ɇ', 'Ɉ' => 'ɉ',
		'Ɋ' => 'ɋ', 'Ɍ' => 'ɍ', 'Ɏ' => 'ɏ', 'ͅ' => 'ι',
		'Ά' => 'ά', 'Έ' => 'έ', 'Ή' => 'ή', 'Ί' => 'ί',
		'Ό' => 'ό', 'Ύ' => 'ύ', 'Ώ' => 'ώ', 'ΐ' => 'ΐ',
		'Α' => 'α', 'Β' => 'β', 'Γ' => 'γ', 'Δ' => 'δ',
		'Ε' => 'ε', 'Ζ' => 'ζ', 'Η' => 'η', 'Θ' => 'θ',
		'Ι' => 'ι', 'Κ' => 'κ', 'Λ' => 'λ', 'Μ' => 'μ',
		'Ν' => 'ν', 'Ξ' => 'ξ', 'Ο' => 'ο', 'Π' => 'π',
		'Ρ' => 'ρ', 'Σ' => 'σ', 'Τ' => 'τ', 'Υ' => 'υ',
		'Φ' => 'φ', 'Χ' => 'χ', 'Ψ' => 'ψ', 'Ω' => 'ω',
		'Ϊ' => 'ϊ', 'Ϋ' => 'ϋ', 'ΰ' => 'ΰ', 'ς' => 'σ',
		'ϐ' => 'β', 'ϑ' => 'θ', 'ϕ' => 'φ', 'ϖ' => 'π',
		'Ϙ' => 'ϙ', 'Ϛ' => 'ϛ', 'Ϝ' => 'ϝ', 'Ϟ' => 'ϟ',
		'Ϡ' => 'ϡ', 'Ϣ' => 'ϣ', 'Ϥ' => 'ϥ', 'Ϧ' => 'ϧ',
		'Ϩ' => 'ϩ', 'Ϫ' => 'ϫ', 'Ϭ' => 'ϭ', 'Ϯ' => 'ϯ',
		'ϰ' => 'κ', 'ϱ' => 'ρ', 'ϴ' => 'θ', 'ϵ' => 'ε',
		'Ϸ' => 'ϸ', 'Ϲ' => 'ϲ', 'Ϻ' => 'ϻ', 'Ͻ' => 'ͻ',
		'Ͼ' => 'ͼ', 'Ͽ' => 'ͽ', 'Ѐ' => 'ѐ', 'Ё' => 'ё',
		'Ђ' => 'ђ', 'Ѓ' => 'ѓ', 'Є' => 'є', 'Ѕ' => 'ѕ',
		'І' => 'і', 'Ї' => 'ї', 'Ј' => 'ј', 'Љ' => 'љ',
		'Њ' => 'њ', 'Ћ' => 'ћ', 'Ќ' => 'ќ', 'Ѝ' => 'ѝ',
		'Ў' => 'ў', 'Џ' => 'џ', 'А' => 'а', 'Б' => 'б',
		'В' => 'в', 'Г' => 'г', 'Д' => 'д', 'Е' => 'е',
		'Ж' => 'ж', 'З' => 'з', 'И' => 'и', 'Й' => 'й',
		'К' => 'к', 'Л' => 'л', 'М' => 'м', 'Н' => 'н',
		'О' => 'о', 'П' => 'п', 'Р' => 'р', 'С' => 'с',
		'Т' => 'т', 'У' => 'у', 'Ф' => 'ф', 'Х' => 'х',
		'Ц' => 'ц', 'Ч' => 'ч', 'Ш' => 'ш', 'Щ' => 'щ',
		'Ъ' => 'ъ', 'Ы' => 'ы', 'Ь' => 'ь', 'Э' => 'э',
		'Ю' => 'ю', 'Я' => 'я', 'Ѡ' => 'ѡ', 'Ѣ' => 'ѣ',
		'Ѥ' => 'ѥ', 'Ѧ' => 'ѧ', 'Ѩ' => 'ѩ', 'Ѫ' => 'ѫ',
		'Ѭ' => 'ѭ', 'Ѯ' => 'ѯ', 'Ѱ' => 'ѱ', 'Ѳ' => 'ѳ',
		'Ѵ' => 'ѵ', 'Ѷ' => 'ѷ', 'Ѹ' => 'ѹ', 'Ѻ' => 'ѻ',
		'Ѽ' => 'ѽ', 'Ѿ' => 'ѿ', 'Ҁ' => 'ҁ', 'Ҋ' => 'ҋ',
		'Ҍ' => 'ҍ', 'Ҏ' => 'ҏ', 'Ґ' => 'ґ', 'Ғ' => 'ғ',
		'Ҕ' => 'ҕ', 'Җ' => 'җ', 'Ҙ' => 'ҙ', 'Қ' => 'қ',
		'Ҝ' => 'ҝ', 'Ҟ' => 'ҟ', 'Ҡ' => 'ҡ', 'Ң' => 'ң',
		'Ҥ' => 'ҥ', 'Ҧ' => 'ҧ', 'Ҩ' => 'ҩ', 'Ҫ' => 'ҫ',
		'Ҭ' => 'ҭ', 'Ү' => 'ү', 'Ұ' => 'ұ', 'Ҳ' => 'ҳ',
		'Ҵ' => 'ҵ', 'Ҷ' => 'ҷ', 'Ҹ' => 'ҹ', 'Һ' => 'һ',
		'Ҽ' => 'ҽ', 'Ҿ' => 'ҿ', 'Ӏ' => 'ӏ', 'Ӂ' => 'ӂ',
		'Ӄ' => 'ӄ', 'Ӆ' => 'ӆ', 'Ӈ' => 'ӈ', 'Ӊ' => 'ӊ',
		'Ӌ' => 'ӌ', 'Ӎ' => 'ӎ', 'Ӑ' => 'ӑ', 'Ӓ' => 'ӓ',
		'Ӕ' => 'ӕ', 'Ӗ' => 'ӗ', 'Ә' => 'ә', 'Ӛ' => 'ӛ',
		'Ӝ' => 'ӝ', 'Ӟ' => 'ӟ', 'Ӡ' => 'ӡ', 'Ӣ' => 'ӣ',
		'Ӥ' => 'ӥ', 'Ӧ' => 'ӧ', 'Ө' => 'ө', 'Ӫ' => 'ӫ',
		'Ӭ' => 'ӭ', 'Ӯ' => 'ӯ', 'Ӱ' => 'ӱ', 'Ӳ' => 'ӳ',
		'Ӵ' => 'ӵ', 'Ӷ' => 'ӷ', 'Ӹ' => 'ӹ', 'Ӻ' => 'ӻ',
		'Ӽ' => 'ӽ', 'Ӿ' => 'ӿ', 'Ԁ' => 'ԁ', 'Ԃ' => 'ԃ',
		'Ԅ' => 'ԅ', 'Ԇ' => 'ԇ', 'Ԉ' => 'ԉ', 'Ԋ' => 'ԋ',
		'Ԍ' => 'ԍ', 'Ԏ' => 'ԏ', 'Ԑ' => 'ԑ', 'Ԓ' => 'ԓ',
		'Ա' => 'ա', 'Բ' => 'բ', 'Գ' => 'գ', 'Դ' => 'դ',
		'Ե' => 'ե', 'Զ' => 'զ', 'Է' => 'է', 'Ը' => 'ը',
		'Թ' => 'թ', 'Ժ' => 'ժ', 'Ի' => 'ի', 'Լ' => 'լ',
		'Խ' => 'խ', 'Ծ' => 'ծ', 'Կ' => 'կ', 'Հ' => 'հ',
		'Ձ' => 'ձ', 'Ղ' => 'ղ', 'Ճ' => 'ճ', 'Մ' => 'մ',
		'Յ' => 'յ', 'Ն' => 'ն', 'Շ' => 'շ', 'Ո' => 'ո',
		'Չ' => 'չ', 'Պ' => 'պ', 'Ջ' => 'ջ', 'Ռ' => 'ռ',
		'Ս' => 'ս', 'Վ' => 'վ', 'Տ' => 'տ', 'Ր' => 'ր',
		'Ց' => 'ց', 'Ւ' => 'ւ', 'Փ' => 'փ', 'Ք' => 'ք',
		'Օ' => 'օ', 'Ֆ' => 'ֆ', 'և' => 'եւ', 'Ⴀ' => 'ⴀ',
		'Ⴁ' => 'ⴁ', 'Ⴂ' => 'ⴂ', 'Ⴃ' => 'ⴃ', 'Ⴄ' => 'ⴄ',
		'Ⴅ' => 'ⴅ', 'Ⴆ' => 'ⴆ', 'Ⴇ' => 'ⴇ', 'Ⴈ' => 'ⴈ',
		'Ⴉ' => 'ⴉ', 'Ⴊ' => 'ⴊ', 'Ⴋ' => 'ⴋ', 'Ⴌ' => 'ⴌ',
		'Ⴍ' => 'ⴍ', 'Ⴎ' => 'ⴎ', 'Ⴏ' => 'ⴏ', 'Ⴐ' => 'ⴐ',
		'Ⴑ' => 'ⴑ', 'Ⴒ' => 'ⴒ', 'Ⴓ' => 'ⴓ', 'Ⴔ' => 'ⴔ',
		'Ⴕ' => 'ⴕ', 'Ⴖ' => 'ⴖ', 'Ⴗ' => 'ⴗ', 'Ⴘ' => 'ⴘ',
		'Ⴙ' => 'ⴙ', 'Ⴚ' => 'ⴚ', 'Ⴛ' => 'ⴛ', 'Ⴜ' => 'ⴜ',
		'Ⴝ' => 'ⴝ', 'Ⴞ' => 'ⴞ', 'Ⴟ' => 'ⴟ', 'Ⴠ' => 'ⴠ',
		'Ⴡ' => 'ⴡ', 'Ⴢ' => 'ⴢ', 'Ⴣ' => 'ⴣ', 'Ⴤ' => 'ⴤ',
		'Ⴥ' => 'ⴥ', 'Ḁ' => 'ḁ', 'Ḃ' => 'ḃ', 'Ḅ' => 'ḅ',
		'Ḇ' => 'ḇ', 'Ḉ' => 'ḉ', 'Ḋ' => 'ḋ', 'Ḍ' => 'ḍ',
		'Ḏ' => 'ḏ', 'Ḑ' => 'ḑ', 'Ḓ' => 'ḓ', 'Ḕ' => 'ḕ',
		'Ḗ' => 'ḗ', 'Ḙ' => 'ḙ', 'Ḛ' => 'ḛ', 'Ḝ' => 'ḝ',
		'Ḟ' => 'ḟ', 'Ḡ' => 'ḡ', 'Ḣ' => 'ḣ', 'Ḥ' => 'ḥ',
		'Ḧ' => 'ḧ', 'Ḩ' => 'ḩ', 'Ḫ' => 'ḫ', 'Ḭ' => 'ḭ',
		'Ḯ' => 'ḯ', 'Ḱ' => 'ḱ', 'Ḳ' => 'ḳ', 'Ḵ' => 'ḵ',
		'Ḷ' => 'ḷ', 'Ḹ' => 'ḹ', 'Ḻ' => 'ḻ', 'Ḽ' => 'ḽ',
		'Ḿ' => 'ḿ', 'Ṁ' => 'ṁ', 'Ṃ' => 'ṃ', 'Ṅ' => 'ṅ',
		'Ṇ' => 'ṇ', 'Ṉ' => 'ṉ', 'Ṋ' => 'ṋ', 'Ṍ' => 'ṍ',
		'Ṏ' => 'ṏ', 'Ṑ' => 'ṑ', 'Ṓ' => 'ṓ', 'Ṕ' => 'ṕ',
		'Ṗ' => 'ṗ', 'Ṙ' => 'ṙ', 'Ṛ' => 'ṛ', 'Ṝ' => 'ṝ',
		'Ṟ' => 'ṟ', 'Ṡ' => 'ṡ', 'Ṣ' => 'ṣ', 'Ṥ' => 'ṥ',
		'Ṧ' => 'ṧ', 'Ṩ' => 'ṩ', 'Ṫ' => 'ṫ', 'Ṭ' => 'ṭ',
		'Ṯ' => 'ṯ', 'Ṱ' => 'ṱ', 'Ṳ' => 'ṳ', 'Ṵ' => 'ṵ',
		'Ṷ' => 'ṷ', 'Ṹ' => 'ṹ', 'Ṻ' => 'ṻ', 'Ṽ' => 'ṽ',
		'Ṿ' => 'ṿ', 'Ẁ' => 'ẁ', 'Ẃ' => 'ẃ', 'Ẅ' => 'ẅ',
		'Ẇ' => 'ẇ', 'Ẉ' => 'ẉ', 'Ẋ' => 'ẋ', 'Ẍ' => 'ẍ',
		'Ẏ' => 'ẏ', 'Ẑ' => 'ẑ', 'Ẓ' => 'ẓ', 'Ẕ' => 'ẕ',
		'ẖ' => 'ẖ', 'ẗ' => 'ẗ', 'ẘ' => 'ẘ', 'ẙ' => 'ẙ',
		'ẚ' => 'aʾ', 'ẛ' => 'ṡ', 'Ạ' => 'ạ', 'Ả' => 'ả',
		'Ấ' => 'ấ', 'Ầ' => 'ầ', 'Ẩ' => 'ẩ', 'Ẫ' => 'ẫ',
		'Ậ' => 'ậ', 'Ắ' => 'ắ', 'Ằ' => 'ằ', 'Ẳ' => 'ẳ',
		'Ẵ' => 'ẵ', 'Ặ' => 'ặ', 'Ẹ' => 'ẹ', 'Ẻ' => 'ẻ',
		'Ẽ' => 'ẽ', 'Ế' => 'ế', 'Ề' => 'ề', 'Ể' => 'ể',
		'Ễ' => 'ễ', 'Ệ' => 'ệ', 'Ỉ' => 'ỉ', 'Ị' => 'ị',
		'Ọ' => 'ọ', 'Ỏ' => 'ỏ', 'Ố' => 'ố', 'Ồ' => 'ồ',
		'Ổ' => 'ổ', 'Ỗ' => 'ỗ', 'Ộ' => 'ộ', 'Ớ' => 'ớ',
		'Ờ' => 'ờ', 'Ở' => 'ở', 'Ỡ' => 'ỡ', 'Ợ' => 'ợ',
		'Ụ' => 'ụ', 'Ủ' => 'ủ', 'Ứ' => 'ứ', 'Ừ' => 'ừ',
		'Ử' => 'ử', 'Ữ' => 'ữ', 'Ự' => 'ự', 'Ỳ' => 'ỳ',
		'Ỵ' => 'ỵ', 'Ỷ' => 'ỷ', 'Ỹ' => 'ỹ', 'Ἀ' => 'ἀ',
		'Ἁ' => 'ἁ', 'Ἂ' => 'ἂ', 'Ἃ' => 'ἃ', 'Ἄ' => 'ἄ',
		'Ἅ' => 'ἅ', 'Ἆ' => 'ἆ', 'Ἇ' => 'ἇ', 'Ἐ' => 'ἐ',
		'Ἑ' => 'ἑ', 'Ἒ' => 'ἒ', 'Ἓ' => 'ἓ', 'Ἔ' => 'ἔ',
		'Ἕ' => 'ἕ', 'Ἠ' => 'ἠ', 'Ἡ' => 'ἡ', 'Ἢ' => 'ἢ',
		'Ἣ' => 'ἣ', 'Ἤ' => 'ἤ', 'Ἥ' => 'ἥ', 'Ἦ' => 'ἦ',
		'Ἧ' => 'ἧ', 'Ἰ' => 'ἰ', 'Ἱ' => 'ἱ', 'Ἲ' => 'ἲ',
		'Ἳ' => 'ἳ', 'Ἴ' => 'ἴ', 'Ἵ' => 'ἵ', 'Ἶ' => 'ἶ',
		'Ἷ' => 'ἷ', 'Ὀ' => 'ὀ', 'Ὁ' => 'ὁ', 'Ὂ' => 'ὂ',
		'Ὃ' => 'ὃ', 'Ὄ' => 'ὄ', 'Ὅ' => 'ὅ', 'ὐ' => 'ὐ',
		'ὒ' => 'ὒ', 'ὔ' => 'ὔ', 'ὖ' => 'ὖ', 'Ὑ' => 'ὑ',
		'Ὓ' => 'ὓ', 'Ὕ' => 'ὕ', 'Ὗ' => 'ὗ', 'Ὠ' => 'ὠ',
		'Ὡ' => 'ὡ', 'Ὢ' => 'ὢ', 'Ὣ' => 'ὣ', 'Ὤ' => 'ὤ',
		'Ὥ' => 'ὥ', 'Ὦ' => 'ὦ', 'Ὧ' => 'ὧ', 'ᾀ' => 'ἀι',
		'ᾁ' => 'ἁι', 'ᾂ' => 'ἂι', 'ᾃ' => 'ἃι', 'ᾄ' => 'ἄι',
		'ᾅ' => 'ἅι', 'ᾆ' => 'ἆι', 'ᾇ' => 'ἇι', 'ᾈ' => 'ᾀ',
		'ᾉ' => 'ᾁ', 'ᾊ' => 'ᾂ', 'ᾋ' => 'ᾃ', 'ᾌ' => 'ᾄ',
		'ᾍ' => 'ᾅ', 'ᾎ' => 'ᾆ', 'ᾏ' => 'ᾇ', 'ᾐ' => 'ἠι',
		'ᾑ' => 'ἡι', 'ᾒ' => 'ἢι', 'ᾓ' => 'ἣι', 'ᾔ' => 'ἤι',
		'ᾕ' => 'ἥι', 'ᾖ' => 'ἦι', 'ᾗ' => 'ἧι', 'ᾘ' => 'ᾐ',
		'ᾙ' => 'ᾑ', 'ᾚ' => 'ᾒ', 'ᾛ' => 'ᾓ', 'ᾜ' => 'ᾔ',
		'ᾝ' => 'ᾕ', 'ᾞ' => 'ᾖ', 'ᾟ' => 'ᾗ', 'ᾠ' => 'ὠι',
		'ᾡ' => 'ὡι', 'ᾢ' => 'ὢι', 'ᾣ' => 'ὣι', 'ᾤ' => 'ὤι',
		'ᾥ' => 'ὥι', 'ᾦ' => 'ὦι', 'ᾧ' => 'ὧι', 'ᾨ' => 'ᾠ',
		'ᾩ' => 'ᾡ', 'ᾪ' => 'ᾢ', 'ᾫ' => 'ᾣ', 'ᾬ' => 'ᾤ',
		'ᾭ' => 'ᾥ', 'ᾮ' => 'ᾦ', 'ᾯ' => 'ᾧ', 'ᾲ' => 'ὰι',
		'ᾳ' => 'αι', 'ᾴ' => 'άι', 'ᾶ' => 'ᾶ', 'ᾷ' => 'ᾶι',
		'Ᾰ' => 'ᾰ', 'Ᾱ' => 'ᾱ', 'Ὰ' => 'ὰ', 'Ά' => 'ά',
		'ᾼ' => 'ᾳ', 'ι' => 'ι', 'ῂ' => 'ὴι', 'ῃ' => 'ηι',
		'ῄ' => 'ήι', 'ῆ' => 'ῆ', 'ῇ' => 'ῆι', 'Ὲ' => 'ὲ',
		'Έ' => 'έ', 'Ὴ' => 'ὴ', 'Ή' => 'ή', 'ῌ' => 'ῃ',
		'ῒ' => 'ῒ', 'ΐ' => 'ΐ', 'ῖ' => 'ῖ', 'ῗ' => 'ῗ',
		'Ῐ' => 'ῐ', 'Ῑ' => 'ῑ', 'Ὶ' => 'ὶ', 'Ί' => 'ί',
		'ῢ' => 'ῢ', 'ΰ' => 'ΰ', 'ῤ' => 'ῤ', 'ῦ' => 'ῦ',
		'ῧ' => 'ῧ', 'Ῠ' => 'ῠ', 'Ῡ' => 'ῡ', 'Ὺ' => 'ὺ',
		'Ύ' => 'ύ', 'Ῥ' => 'ῥ', 'ῲ' => 'ὼι', 'ῳ' => 'ωι',
		'ῴ' => 'ώι', 'ῶ' => 'ῶ', 'ῷ' => 'ῶι', 'Ὸ' => 'ὸ',
		'Ό' => 'ό', 'Ὼ' => 'ὼ', 'Ώ' => 'ώ', 'ῼ' => 'ῳ',
		'Ω' => 'ω', 'K' => 'k', 'Å' => 'å', 'Ⅎ' => 'ⅎ',
		'Ⅰ' => 'ⅰ', 'Ⅱ' => 'ⅱ', 'Ⅲ' => 'ⅲ', 'Ⅳ' => 'ⅳ',
		'Ⅴ' => 'ⅴ', 'Ⅵ' => 'ⅵ', 'Ⅶ' => 'ⅶ', 'Ⅷ' => 'ⅷ',
		'Ⅸ' => 'ⅸ', 'Ⅹ' => 'ⅹ', 'Ⅺ' => 'ⅺ', 'Ⅻ' => 'ⅻ',
		'Ⅼ' => 'ⅼ', 'Ⅽ' => 'ⅽ', 'Ⅾ' => 'ⅾ', 'Ⅿ' => 'ⅿ',
		'Ↄ' => 'ↄ', 'Ⓐ' => 'ⓐ', 'Ⓑ' => 'ⓑ', 'Ⓒ' => 'ⓒ',
		'Ⓓ' => 'ⓓ', 'Ⓔ' => 'ⓔ', 'Ⓕ' => 'ⓕ', 'Ⓖ' => 'ⓖ',
		'Ⓗ' => 'ⓗ', 'Ⓘ' => 'ⓘ', 'Ⓙ' => 'ⓙ', 'Ⓚ' => 'ⓚ',
		'Ⓛ' => 'ⓛ', 'Ⓜ' => 'ⓜ', 'Ⓝ' => 'ⓝ', 'Ⓞ' => 'ⓞ',
		'Ⓟ' => 'ⓟ', 'Ⓠ' => 'ⓠ', 'Ⓡ' => 'ⓡ', 'Ⓢ' => 'ⓢ',
		'Ⓣ' => 'ⓣ', 'Ⓤ' => 'ⓤ', 'Ⓥ' => 'ⓥ', 'Ⓦ' => 'ⓦ',
		'Ⓧ' => 'ⓧ', 'Ⓨ' => 'ⓨ', 'Ⓩ' => 'ⓩ', 'Ⰰ' => 'ⰰ',
		'Ⰱ' => 'ⰱ', 'Ⰲ' => 'ⰲ', 'Ⰳ' => 'ⰳ', 'Ⰴ' => 'ⰴ',
		'Ⰵ' => 'ⰵ', 'Ⰶ' => 'ⰶ', 'Ⰷ' => 'ⰷ', 'Ⰸ' => 'ⰸ',
		'Ⰹ' => 'ⰹ', 'Ⰺ' => 'ⰺ', 'Ⰻ' => 'ⰻ', 'Ⰼ' => 'ⰼ',
		'Ⰽ' => 'ⰽ', 'Ⰾ' => 'ⰾ', 'Ⰿ' => 'ⰿ', 'Ⱀ' => 'ⱀ',
		'Ⱁ' => 'ⱁ', 'Ⱂ' => 'ⱂ', 'Ⱃ' => 'ⱃ', 'Ⱄ' => 'ⱄ',
		'Ⱅ' => 'ⱅ', 'Ⱆ' => 'ⱆ', 'Ⱇ' => 'ⱇ', 'Ⱈ' => 'ⱈ',
		'Ⱉ' => 'ⱉ', 'Ⱊ' => 'ⱊ', 'Ⱋ' => 'ⱋ', 'Ⱌ' => 'ⱌ',
		'Ⱍ' => 'ⱍ', 'Ⱎ' => 'ⱎ', 'Ⱏ' => 'ⱏ', 'Ⱐ' => 'ⱐ',
		'Ⱑ' => 'ⱑ', 'Ⱒ' => 'ⱒ', 'Ⱓ' => 'ⱓ', 'Ⱔ' => 'ⱔ',
		'Ⱕ' => 'ⱕ', 'Ⱖ' => 'ⱖ', 'Ⱗ' => 'ⱗ', 'Ⱘ' => 'ⱘ',
		'Ⱙ' => 'ⱙ', 'Ⱚ' => 'ⱚ', 'Ⱛ' => 'ⱛ', 'Ⱜ' => 'ⱜ',
		'Ⱝ' => 'ⱝ', 'Ⱞ' => 'ⱞ', 'Ⱡ' => 'ⱡ', 'Ɫ' => 'ɫ',
		'Ᵽ' => 'ᵽ', 'Ɽ' => 'ɽ', 'Ⱨ' => 'ⱨ', 'Ⱪ' => 'ⱪ',
		'Ⱬ' => 'ⱬ', 'Ⱶ' => 'ⱶ', 'Ⲁ' => 'ⲁ', 'Ⲃ' => 'ⲃ',
		'Ⲅ' => 'ⲅ', 'Ⲇ' => 'ⲇ', 'Ⲉ' => 'ⲉ', 'Ⲋ' => 'ⲋ',
		'Ⲍ' => 'ⲍ', 'Ⲏ' => 'ⲏ', 'Ⲑ' => 'ⲑ', 'Ⲓ' => 'ⲓ',
		'Ⲕ' => 'ⲕ', 'Ⲗ' => 'ⲗ', 'Ⲙ' => 'ⲙ', 'Ⲛ' => 'ⲛ',
		'Ⲝ' => 'ⲝ', 'Ⲟ' => 'ⲟ', 'Ⲡ' => 'ⲡ', 'Ⲣ' => 'ⲣ',
		'Ⲥ' => 'ⲥ', 'Ⲧ' => 'ⲧ', 'Ⲩ' => 'ⲩ', 'Ⲫ' => 'ⲫ',
		'Ⲭ' => 'ⲭ', 'Ⲯ' => 'ⲯ', 'Ⲱ' => 'ⲱ', 'Ⲳ' => 'ⲳ',
		'Ⲵ' => 'ⲵ', 'Ⲷ' => 'ⲷ', 'Ⲹ' => 'ⲹ', 'Ⲻ' => 'ⲻ',
		'Ⲽ' => 'ⲽ', 'Ⲿ' => 'ⲿ', 'Ⳁ' => 'ⳁ', 'Ⳃ' => 'ⳃ',
		'Ⳅ' => 'ⳅ', 'Ⳇ' => 'ⳇ', 'Ⳉ' => 'ⳉ', 'Ⳋ' => 'ⳋ',
		'Ⳍ' => 'ⳍ', 'Ⳏ' => 'ⳏ', 'Ⳑ' => 'ⳑ', 'Ⳓ' => 'ⳓ',
		'Ⳕ' => 'ⳕ', 'Ⳗ' => 'ⳗ', 'Ⳙ' => 'ⳙ', 'Ⳛ' => 'ⳛ',
		'Ⳝ' => 'ⳝ', 'Ⳟ' => 'ⳟ', 'Ⳡ' => 'ⳡ', 'Ⳣ' => 'ⳣ',
		'ff' => 'ff', 'fi' => 'fi', 'fl' => 'fl', 'ffi' => 'ffi',
		'ffl' => 'ffl', 'ſt' => 'st', 'st' => 'st', 'ﬓ' => 'մն',
		'ﬔ' => 'մե', 'ﬕ' => 'մի', 'ﬖ' => 'վն', 'ﬗ' => 'մխ',
		'Ａ' => 'ａ', 'Ｂ' => 'ｂ', 'Ｃ' => 'ｃ', 'Ｄ' => 'ｄ',
		'Ｅ' => 'ｅ', 'Ｆ' => 'ｆ', 'Ｇ' => 'ｇ', 'Ｈ' => 'ｈ',
		'Ｉ' => 'ｉ', 'Ｊ' => 'ｊ', 'Ｋ' => 'ｋ', 'Ｌ' => 'ｌ',
		'Ｍ' => 'ｍ', 'Ｎ' => 'ｎ', 'Ｏ' => 'ｏ', 'Ｐ' => 'ｐ',
		'Ｑ' => 'ｑ', 'Ｒ' => 'ｒ', 'Ｓ' => 'ｓ', 'Ｔ' => 'ｔ',
		'Ｕ' => 'ｕ', 'Ｖ' => 'ｖ', 'Ｗ' => 'ｗ', 'Ｘ' => 'ｘ',
		'Ｙ' => 'ｙ', 'Ｚ' => 'ｚ', '𐐀' => '𐐨', '𐐁' => '𐐩',
		'𐐂' => '𐐪', '𐐃' => '𐐫', '𐐄' => '𐐬', '𐐅' => '𐐭',
		'𐐆' => '𐐮', '𐐇' => '𐐯', '𐐈' => '𐐰', '𐐉' => '𐐱',
		'𐐊' => '𐐲', '𐐋' => '𐐳', '𐐌' => '𐐴', '𐐍' => '𐐵',
		'𐐎' => '𐐶', '𐐏' => '𐐷', '𐐐' => '𐐸', '𐐑' => '𐐹',
		'𐐒' => '𐐺', '𐐓' => '𐐻', '𐐔' => '𐐼', '𐐕' => '𐐽',
		'𐐖' => '𐐾', '𐐗' => '𐐿', '𐐘' => '𐑀', '𐐙' => '𐑁',
		'𐐚' => '𐑂', '𐐛' => '𐑃', '𐐜' => '𐑄', '𐐝' => '𐑅',
		'𐐞' => '𐑆', '𐐟' => '𐑇', '𐐠' => '𐑈', '𐐡' => '𐑉',
		'𐐢' => '𐑊', '𐐣' => '𐑋', '𐐤' => '𐑌', '𐐥' => '𐑍',
		'𐑎' => '𐐦', '𐑏' => '𐐧',
	);

	return strtr($string, $case_folding);
}

/**
 * Convert the given UTF-8 string to uppercase.
 * equivalent to mb_strtoupper($string, 'UTF-8')
 *
 * @param string $string
 * @return string
 */
function utf8_strtoupper($string)
{
	static $case_folding = array(
		'a' => 'A', 'b' => 'B', 'c' => 'C', 'd' => 'D',
		'e' => 'E', 'f' => 'F', 'g' => 'G', 'h' => 'H',
		'i' => 'I', 'j' => 'J', 'k' => 'K', 'l' => 'L',
		'm' => 'M', 'n' => 'N', 'o' => 'O', 'p' => 'P',
		'q' => 'Q', 'r' => 'R', 's' => 'S', 't' => 'T',
		'u' => 'U', 'v' => 'V', 'w' => 'W', 'x' => 'X',
		'y' => 'Y', 'z' => 'Z', 'μ' => 'µ', 'à' => 'À',
		'á' => 'Á', 'â' => 'Â', 'ã' => 'Ã', 'ä' => 'Ä',
		'å' => 'Å', 'æ' => 'Æ', 'ç' => 'Ç', 'è' => 'È',
		'é' => 'É', 'ê' => 'Ê', 'ë' => 'Ë', 'ì' => 'Ì',
		'í' => 'Í', 'î' => 'Î', 'ï' => 'Ï', 'ð' => 'Ð',
		'ñ' => 'Ñ', 'ò' => 'Ò', 'ó' => 'Ó', 'ô' => 'Ô',
		'õ' => 'Õ', 'ö' => 'Ö', 'ø' => 'Ø', 'ù' => 'Ù',
		'ú' => 'Ú', 'û' => 'Û', 'ü' => 'Ü', 'ý' => 'Ý',
		'þ' => 'Þ', 'ss' => 'ß', 'ā' => 'Ā', 'ă' => 'Ă',
		'ą' => 'Ą', 'ć' => 'Ć', 'ĉ' => 'Ĉ', 'ċ' => 'Ċ',
		'č' => 'Č', 'ď' => 'Ď', 'đ' => 'Đ', 'ē' => 'Ē',
		'ĕ' => 'Ĕ', 'ė' => 'Ė', 'ę' => 'Ę', 'ě' => 'Ě',
		'ĝ' => 'Ĝ', 'ğ' => 'Ğ', 'ġ' => 'Ġ', 'ģ' => 'Ģ',
		'ĥ' => 'Ĥ', 'ħ' => 'Ħ', 'ĩ' => 'Ĩ', 'ī' => 'Ī',
		'ĭ' => 'Ĭ', 'į' => 'Į', 'i̇' => 'İ', 'ij' => 'IJ',
		'ĵ' => 'Ĵ', 'ķ' => 'Ķ', 'ĺ' => 'Ĺ', 'ļ' => 'Ļ',
		'ľ' => 'Ľ', 'ŀ' => 'Ŀ', 'ł' => 'Ł', 'ń' => 'Ń',
		'ņ' => 'Ņ', 'ň' => 'Ň', 'ʼn' => 'ʼn', 'ŋ' => 'Ŋ',
		'ō' => 'Ō', 'ŏ' => 'Ŏ', 'ő' => 'Ő', 'œ' => 'Œ',
		'ŕ' => 'Ŕ', 'ŗ' => 'Ŗ', 'ř' => 'Ř', 'ś' => 'Ś',
		'ŝ' => 'Ŝ', 'ş' => 'Ş', 'š' => 'Š', 'ţ' => 'Ţ',
		'ť' => 'Ť', 'ŧ' => 'Ŧ', 'ũ' => 'Ũ', 'ū' => 'Ū',
		'ŭ' => 'Ŭ', 'ů' => 'Ů', 'ű' => 'Ű', 'ų' => 'Ų',
		'ŵ' => 'Ŵ', 'ŷ' => 'Ŷ', 'ÿ' => 'Ÿ', 'ź' => 'Ź',
		'ż' => 'Ż', 'ž' => 'Ž', 's' => 'ſ', 'ɓ' => 'Ɓ',
		'ƃ' => 'Ƃ', 'ƅ' => 'Ƅ', 'ɔ' => 'Ɔ', 'ƈ' => 'Ƈ',
		'ɖ' => 'Ɖ', 'ɗ' => 'Ɗ', 'ƌ' => 'Ƌ', 'ǝ' => 'Ǝ',
		'ə' => 'Ə', 'ɛ' => 'Ɛ', 'ƒ' => 'Ƒ', 'ɠ' => 'Ɠ',
		'ɣ' => 'Ɣ', 'ɩ' => 'Ɩ', 'ɨ' => 'Ɨ', 'ƙ' => 'Ƙ',
		'ɯ' => 'Ɯ', 'ɲ' => 'Ɲ', 'ɵ' => 'Ɵ', 'ơ' => 'Ơ',
		'ƣ' => 'Ƣ', 'ƥ' => 'Ƥ', 'ʀ' => 'Ʀ', 'ƨ' => 'Ƨ',
		'ʃ' => 'Ʃ', 'ƭ' => 'Ƭ', 'ʈ' => 'Ʈ', 'ư' => 'Ư',
		'ʊ' => 'Ʊ', 'ʋ' => 'Ʋ', 'ƴ' => 'Ƴ', 'ƶ' => 'Ƶ',
		'ʒ' => 'Ʒ', 'ƹ' => 'Ƹ', 'ƽ' => 'Ƽ', 'dž' => 'DŽ',
		'dž' => 'Dž', 'lj' => 'LJ', 'lj' => 'Lj', 'nj' => 'NJ',
		'nj' => 'Nj', 'ǎ' => 'Ǎ', 'ǐ' => 'Ǐ', 'ǒ' => 'Ǒ',
		'ǔ' => 'Ǔ', 'ǖ' => 'Ǖ', 'ǘ' => 'Ǘ', 'ǚ' => 'Ǚ',
		'ǜ' => 'Ǜ', 'ǟ' => 'Ǟ', 'ǡ' => 'Ǡ', 'ǣ' => 'Ǣ',
		'ǥ' => 'Ǥ', 'ǧ' => 'Ǧ', 'ǩ' => 'Ǩ', 'ǫ' => 'Ǫ',
		'ǭ' => 'Ǭ', 'ǯ' => 'Ǯ', 'ǰ' => 'ǰ', 'dz' => 'DZ',
		'dz' => 'Dz', 'ǵ' => 'Ǵ', 'ƕ' => 'Ƕ', 'ƿ' => 'Ƿ',
		'ǹ' => 'Ǹ', 'ǻ' => 'Ǻ', 'ǽ' => 'Ǽ', 'ǿ' => 'Ǿ',
		'ȁ' => 'Ȁ', 'ȃ' => 'Ȃ', 'ȅ' => 'Ȅ', 'ȇ' => 'Ȇ',
		'ȉ' => 'Ȉ', 'ȋ' => 'Ȋ', 'ȍ' => 'Ȍ', 'ȏ' => 'Ȏ',
		'ȑ' => 'Ȑ', 'ȓ' => 'Ȓ', 'ȕ' => 'Ȕ', 'ȗ' => 'Ȗ',
		'ș' => 'Ș', 'ț' => 'Ț', 'ȝ' => 'Ȝ', 'ȟ' => 'Ȟ',
		'ƞ' => 'Ƞ', 'ȣ' => 'Ȣ', 'ȥ' => 'Ȥ', 'ȧ' => 'Ȧ',
		'ȩ' => 'Ȩ', 'ȫ' => 'Ȫ', 'ȭ' => 'Ȭ', 'ȯ' => 'Ȯ',
		'ȱ' => 'Ȱ', 'ȳ' => 'Ȳ', 'ⱥ' => 'Ⱥ', 'ȼ' => 'Ȼ',
		'ƚ' => 'Ƚ', 'ⱦ' => 'Ⱦ', 'ɂ' => 'Ɂ', 'ƀ' => 'Ƀ',
		'ʉ' => 'Ʉ', 'ʌ' => 'Ʌ', 'ɇ' => 'Ɇ', 'ɉ' => 'Ɉ',
		'ɋ' => 'Ɋ', 'ɍ' => 'Ɍ', 'ɏ' => 'Ɏ', 'ι' => 'ͅ',
		'ά' => 'Ά', 'έ' => 'Έ', 'ή' => 'Ή', 'ί' => 'Ί',
		'ό' => 'Ό', 'ύ' => 'Ύ', 'ώ' => 'Ώ', 'ΐ' => 'ΐ',
		'α' => 'Α', 'β' => 'Β', 'γ' => 'Γ', 'δ' => 'Δ',
		'ε' => 'Ε', 'ζ' => 'Ζ', 'η' => 'Η', 'θ' => 'Θ',
		'ι' => 'Ι', 'κ' => 'Κ', 'λ' => 'Λ', 'μ' => 'Μ',
		'ν' => 'Ν', 'ξ' => 'Ξ', 'ο' => 'Ο', 'π' => 'Π',
		'ρ' => 'Ρ', 'σ' => 'Σ', 'τ' => 'Τ', 'υ' => 'Υ',
		'φ' => 'Φ', 'χ' => 'Χ', 'ψ' => 'Ψ', 'ω' => 'Ω',
		'ϊ' => 'Ϊ', 'ϋ' => 'Ϋ', 'ΰ' => 'ΰ', 'σ' => 'ς',
		'β' => 'ϐ', 'θ' => 'ϑ', 'φ' => 'ϕ', 'π' => 'ϖ',
		'ϙ' => 'Ϙ', 'ϛ' => 'Ϛ', 'ϝ' => 'Ϝ', 'ϟ' => 'Ϟ',
		'ϡ' => 'Ϡ', 'ϣ' => 'Ϣ', 'ϥ' => 'Ϥ', 'ϧ' => 'Ϧ',
		'ϩ' => 'Ϩ', 'ϫ' => 'Ϫ', 'ϭ' => 'Ϭ', 'ϯ' => 'Ϯ',
		'κ' => 'ϰ', 'ρ' => 'ϱ', 'θ' => 'ϴ', 'ε' => 'ϵ',
		'ϸ' => 'Ϸ', 'ϲ' => 'Ϲ', 'ϻ' => 'Ϻ', 'ͻ' => 'Ͻ',
		'ͼ' => 'Ͼ', 'ͽ' => 'Ͽ', 'ѐ' => 'Ѐ', 'ё' => 'Ё',
		'ђ' => 'Ђ', 'ѓ' => 'Ѓ', 'є' => 'Є', 'ѕ' => 'Ѕ',
		'і' => 'І', 'ї' => 'Ї', 'ј' => 'Ј', 'љ' => 'Љ',
		'њ' => 'Њ', 'ћ' => 'Ћ', 'ќ' => 'Ќ', 'ѝ' => 'Ѝ',
		'ў' => 'Ў', 'џ' => 'Џ', 'а' => 'А', 'б' => 'Б',
		'в' => 'В', 'г' => 'Г', 'д' => 'Д', 'е' => 'Е',
		'ж' => 'Ж', 'з' => 'З', 'и' => 'И', 'й' => 'Й',
		'к' => 'К', 'л' => 'Л', 'м' => 'М', 'н' => 'Н',
		'о' => 'О', 'п' => 'П', 'р' => 'Р', 'с' => 'С',
		'т' => 'Т', 'у' => 'У', 'ф' => 'Ф', 'х' => 'Х',
		'ц' => 'Ц', 'ч' => 'Ч', 'ш' => 'Ш', 'щ' => 'Щ',
		'ъ' => 'Ъ', 'ы' => 'Ы', 'ь' => 'Ь', 'э' => 'Э',
		'ю' => 'Ю', 'я' => 'Я', 'ѡ' => 'Ѡ', 'ѣ' => 'Ѣ',
		'ѥ' => 'Ѥ', 'ѧ' => 'Ѧ', 'ѩ' => 'Ѩ', 'ѫ' => 'Ѫ',
		'ѭ' => 'Ѭ', 'ѯ' => 'Ѯ', 'ѱ' => 'Ѱ', 'ѳ' => 'Ѳ',
		'ѵ' => 'Ѵ', 'ѷ' => 'Ѷ', 'ѹ' => 'Ѹ', 'ѻ' => 'Ѻ',
		'ѽ' => 'Ѽ', 'ѿ' => 'Ѿ', 'ҁ' => 'Ҁ', 'ҋ' => 'Ҋ',
		'ҍ' => 'Ҍ', 'ҏ' => 'Ҏ', 'ґ' => 'Ґ', 'ғ' => 'Ғ',
		'ҕ' => 'Ҕ', 'җ' => 'Җ', 'ҙ' => 'Ҙ', 'қ' => 'Қ',
		'ҝ' => 'Ҝ', 'ҟ' => 'Ҟ', 'ҡ' => 'Ҡ', 'ң' => 'Ң',
		'ҥ' => 'Ҥ', 'ҧ' => 'Ҧ', 'ҩ' => 'Ҩ', 'ҫ' => 'Ҫ',
		'ҭ' => 'Ҭ', 'ү' => 'Ү', 'ұ' => 'Ұ', 'ҳ' => 'Ҳ',
		'ҵ' => 'Ҵ', 'ҷ' => 'Ҷ', 'ҹ' => 'Ҹ', 'һ' => 'Һ',
		'ҽ' => 'Ҽ', 'ҿ' => 'Ҿ', 'ӏ' => 'Ӏ', 'ӂ' => 'Ӂ',
		'ӄ' => 'Ӄ', 'ӆ' => 'Ӆ', 'ӈ' => 'Ӈ', 'ӊ' => 'Ӊ',
		'ӌ' => 'Ӌ', 'ӎ' => 'Ӎ', 'ӑ' => 'Ӑ', 'ӓ' => 'Ӓ',
		'ӕ' => 'Ӕ', 'ӗ' => 'Ӗ', 'ә' => 'Ә', 'ӛ' => 'Ӛ',
		'ӝ' => 'Ӝ', 'ӟ' => 'Ӟ', 'ӡ' => 'Ӡ', 'ӣ' => 'Ӣ',
		'ӥ' => 'Ӥ', 'ӧ' => 'Ӧ', 'ө' => 'Ө', 'ӫ' => 'Ӫ',
		'ӭ' => 'Ӭ', 'ӯ' => 'Ӯ', 'ӱ' => 'Ӱ', 'ӳ' => 'Ӳ',
		'ӵ' => 'Ӵ', 'ӷ' => 'Ӷ', 'ӹ' => 'Ӹ', 'ӻ' => 'Ӻ',
		'ӽ' => 'Ӽ', 'ӿ' => 'Ӿ', 'ԁ' => 'Ԁ', 'ԃ' => 'Ԃ',
		'ԅ' => 'Ԅ', 'ԇ' => 'Ԇ', 'ԉ' => 'Ԉ', 'ԋ' => 'Ԋ',
		'ԍ' => 'Ԍ', 'ԏ' => 'Ԏ', 'ԑ' => 'Ԑ', 'ԓ' => 'Ԓ',
		'ա' => 'Ա', 'բ' => 'Բ', 'գ' => 'Գ', 'դ' => 'Դ',
		'ե' => 'Ե', 'զ' => 'Զ', 'է' => 'Է', 'ը' => 'Ը',
		'թ' => 'Թ', 'ժ' => 'Ժ', 'ի' => 'Ի', 'լ' => 'Լ',
		'խ' => 'Խ', 'ծ' => 'Ծ', 'կ' => 'Կ', 'հ' => 'Հ',
		'ձ' => 'Ձ', 'ղ' => 'Ղ', 'ճ' => 'Ճ', 'մ' => 'Մ',
		'յ' => 'Յ', 'ն' => 'Ն', 'շ' => 'Շ', 'ո' => 'Ո',
		'չ' => 'Չ', 'պ' => 'Պ', 'ջ' => 'Ջ', 'ռ' => 'Ռ',
		'ս' => 'Ս', 'վ' => 'Վ', 'տ' => 'Տ', 'ր' => 'Ր',
		'ց' => 'Ց', 'ւ' => 'Ւ', 'փ' => 'Փ', 'ք' => 'Ք',
		'օ' => 'Օ', 'ֆ' => 'Ֆ', 'եւ' => 'և', 'ⴀ' => 'Ⴀ',
		'ⴁ' => 'Ⴁ', 'ⴂ' => 'Ⴂ', 'ⴃ' => 'Ⴃ', 'ⴄ' => 'Ⴄ',
		'ⴅ' => 'Ⴅ', 'ⴆ' => 'Ⴆ', 'ⴇ' => 'Ⴇ', 'ⴈ' => 'Ⴈ',
		'ⴉ' => 'Ⴉ', 'ⴊ' => 'Ⴊ', 'ⴋ' => 'Ⴋ', 'ⴌ' => 'Ⴌ',
		'ⴍ' => 'Ⴍ', 'ⴎ' => 'Ⴎ', 'ⴏ' => 'Ⴏ', 'ⴐ' => 'Ⴐ',
		'ⴑ' => 'Ⴑ', 'ⴒ' => 'Ⴒ', 'ⴓ' => 'Ⴓ', 'ⴔ' => 'Ⴔ',
		'ⴕ' => 'Ⴕ', 'ⴖ' => 'Ⴖ', 'ⴗ' => 'Ⴗ', 'ⴘ' => 'Ⴘ',
		'ⴙ' => 'Ⴙ', 'ⴚ' => 'Ⴚ', 'ⴛ' => 'Ⴛ', 'ⴜ' => 'Ⴜ',
		'ⴝ' => 'Ⴝ', 'ⴞ' => 'Ⴞ', 'ⴟ' => 'Ⴟ', 'ⴠ' => 'Ⴠ',
		'ⴡ' => 'Ⴡ', 'ⴢ' => 'Ⴢ', 'ⴣ' => 'Ⴣ', 'ⴤ' => 'Ⴤ',
		'ⴥ' => 'Ⴥ', 'ḁ' => 'Ḁ', 'ḃ' => 'Ḃ', 'ḅ' => 'Ḅ',
		'ḇ' => 'Ḇ', 'ḉ' => 'Ḉ', 'ḋ' => 'Ḋ', 'ḍ' => 'Ḍ',
		'ḏ' => 'Ḏ', 'ḑ' => 'Ḑ', 'ḓ' => 'Ḓ', 'ḕ' => 'Ḕ',
		'ḗ' => 'Ḗ', 'ḙ' => 'Ḙ', 'ḛ' => 'Ḛ', 'ḝ' => 'Ḝ',
		'ḟ' => 'Ḟ', 'ḡ' => 'Ḡ', 'ḣ' => 'Ḣ', 'ḥ' => 'Ḥ',
		'ḧ' => 'Ḧ', 'ḩ' => 'Ḩ', 'ḫ' => 'Ḫ', 'ḭ' => 'Ḭ',
		'ḯ' => 'Ḯ', 'ḱ' => 'Ḱ', 'ḳ' => 'Ḳ', 'ḵ' => 'Ḵ',
		'ḷ' => 'Ḷ', 'ḹ' => 'Ḹ', 'ḻ' => 'Ḻ', 'ḽ' => 'Ḽ',
		'ḿ' => 'Ḿ', 'ṁ' => 'Ṁ', 'ṃ' => 'Ṃ', 'ṅ' => 'Ṅ',
		'ṇ' => 'Ṇ', 'ṉ' => 'Ṉ', 'ṋ' => 'Ṋ', 'ṍ' => 'Ṍ',
		'ṏ' => 'Ṏ', 'ṑ' => 'Ṑ', 'ṓ' => 'Ṓ', 'ṕ' => 'Ṕ',
		'ṗ' => 'Ṗ', 'ṙ' => 'Ṙ', 'ṛ' => 'Ṛ', 'ṝ' => 'Ṝ',
		'ṟ' => 'Ṟ', 'ṡ' => 'Ṡ', 'ṣ' => 'Ṣ', 'ṥ' => 'Ṥ',
		'ṧ' => 'Ṧ', 'ṩ' => 'Ṩ', 'ṫ' => 'Ṫ', 'ṭ' => 'Ṭ',
		'ṯ' => 'Ṯ', 'ṱ' => 'Ṱ', 'ṳ' => 'Ṳ', 'ṵ' => 'Ṵ',
		'ṷ' => 'Ṷ', 'ṹ' => 'Ṹ', 'ṻ' => 'Ṻ', 'ṽ' => 'Ṽ',
		'ṿ' => 'Ṿ', 'ẁ' => 'Ẁ', 'ẃ' => 'Ẃ', 'ẅ' => 'Ẅ',
		'ẇ' => 'Ẇ', 'ẉ' => 'Ẉ', 'ẋ' => 'Ẋ', 'ẍ' => 'Ẍ',
		'ẏ' => 'Ẏ', 'ẑ' => 'Ẑ', 'ẓ' => 'Ẓ', 'ẕ' => 'Ẕ',
		'ẖ' => 'ẖ', 'ẗ' => 'ẗ', 'ẘ' => 'ẘ', 'ẙ' => 'ẙ',
		'aʾ' => 'ẚ', 'ṡ' => 'ẛ', 'ạ' => 'Ạ', 'ả' => 'Ả',
		'ấ' => 'Ấ', 'ầ' => 'Ầ', 'ẩ' => 'Ẩ', 'ẫ' => 'Ẫ',
		'ậ' => 'Ậ', 'ắ' => 'Ắ', 'ằ' => 'Ằ', 'ẳ' => 'Ẳ',
		'ẵ' => 'Ẵ', 'ặ' => 'Ặ', 'ẹ' => 'Ẹ', 'ẻ' => 'Ẻ',
		'ẽ' => 'Ẽ', 'ế' => 'Ế', 'ề' => 'Ề', 'ể' => 'Ể',
		'ễ' => 'Ễ', 'ệ' => 'Ệ', 'ỉ' => 'Ỉ', 'ị' => 'Ị',
		'ọ' => 'Ọ', 'ỏ' => 'Ỏ', 'ố' => 'Ố', 'ồ' => 'Ồ',
		'ổ' => 'Ổ', 'ỗ' => 'Ỗ', 'ộ' => 'Ộ', 'ớ' => 'Ớ',
		'ờ' => 'Ờ', 'ở' => 'Ở', 'ỡ' => 'Ỡ', 'ợ' => 'Ợ',
		'ụ' => 'Ụ', 'ủ' => 'Ủ', 'ứ' => 'Ứ', 'ừ' => 'Ừ',
		'ử' => 'Ử', 'ữ' => 'Ữ', 'ự' => 'Ự', 'ỳ' => 'Ỳ',
		'ỵ' => 'Ỵ', 'ỷ' => 'Ỷ', 'ỹ' => 'Ỹ', 'ἀ' => 'Ἀ',
		'ἁ' => 'Ἁ', 'ἂ' => 'Ἂ', 'ἃ' => 'Ἃ', 'ἄ' => 'Ἄ',
		'ἅ' => 'Ἅ', 'ἆ' => 'Ἆ', 'ἇ' => 'Ἇ', 'ἐ' => 'Ἐ',
		'ἑ' => 'Ἑ', 'ἒ' => 'Ἒ', 'ἓ' => 'Ἓ', 'ἔ' => 'Ἔ',
		'ἕ' => 'Ἕ', 'ἠ' => 'Ἠ', 'ἡ' => 'Ἡ', 'ἢ' => 'Ἢ',
		'ἣ' => 'Ἣ', 'ἤ' => 'Ἤ', 'ἥ' => 'Ἥ', 'ἦ' => 'Ἦ',
		'ἧ' => 'Ἧ', 'ἰ' => 'Ἰ', 'ἱ' => 'Ἱ', 'ἲ' => 'Ἲ',
		'ἳ' => 'Ἳ', 'ἴ' => 'Ἴ', 'ἵ' => 'Ἵ', 'ἶ' => 'Ἶ',
		'ἷ' => 'Ἷ', 'ὀ' => 'Ὀ', 'ὁ' => 'Ὁ', 'ὂ' => 'Ὂ',
		'ὃ' => 'Ὃ', 'ὄ' => 'Ὄ', 'ὅ' => 'Ὅ', 'ὐ' => 'ὐ',
		'ὒ' => 'ὒ', 'ὔ' => 'ὔ', 'ὖ' => 'ὖ', 'ὑ' => 'Ὑ',
		'ὓ' => 'Ὓ', 'ὕ' => 'Ὕ', 'ὗ' => 'Ὗ', 'ὠ' => 'Ὠ',
		'ὡ' => 'Ὡ', 'ὢ' => 'Ὢ', 'ὣ' => 'Ὣ', 'ὤ' => 'Ὤ',
		'ὥ' => 'Ὥ', 'ὦ' => 'Ὦ', 'ὧ' => 'Ὧ', 'ἀι' => 'ᾀ',
		'ἁι' => 'ᾁ', 'ἂι' => 'ᾂ', 'ἃι' => 'ᾃ', 'ἄι' => 'ᾄ',
		'ἅι' => 'ᾅ', 'ἆι' => 'ᾆ', 'ἇι' => 'ᾇ', 'ᾀ' => 'ᾈ',
		'ᾁ' => 'ᾉ', 'ᾂ' => 'ᾊ', 'ᾃ' => 'ᾋ', 'ᾄ' => 'ᾌ',
		'ᾅ' => 'ᾍ', 'ᾆ' => 'ᾎ', 'ᾇ' => 'ᾏ', 'ἠι' => 'ᾐ',
		'ἡι' => 'ᾑ', 'ἢι' => 'ᾒ', 'ἣι' => 'ᾓ', 'ἤι' => 'ᾔ',
		'ἥι' => 'ᾕ', 'ἦι' => 'ᾖ', 'ἧι' => 'ᾗ', 'ᾐ' => 'ᾘ',
		'ᾑ' => 'ᾙ', 'ᾒ' => 'ᾚ', 'ᾓ' => 'ᾛ', 'ᾔ' => 'ᾜ',
		'ᾕ' => 'ᾝ', 'ᾖ' => 'ᾞ', 'ᾗ' => 'ᾟ', 'ὠι' => 'ᾠ',
		'ὡι' => 'ᾡ', 'ὢι' => 'ᾢ', 'ὣι' => 'ᾣ', 'ὤι' => 'ᾤ',
		'ὥι' => 'ᾥ', 'ὦι' => 'ᾦ', 'ὧι' => 'ᾧ', 'ᾠ' => 'ᾨ',
		'ᾡ' => 'ᾩ', 'ᾢ' => 'ᾪ', 'ᾣ' => 'ᾫ', 'ᾤ' => 'ᾬ',
		'ᾥ' => 'ᾭ', 'ᾦ' => 'ᾮ', 'ᾧ' => 'ᾯ', 'ὰι' => 'ᾲ',
		'αι' => 'ᾳ', 'άι' => 'ᾴ', 'ᾶ' => 'ᾶ', 'ᾶι' => 'ᾷ',
		'ᾰ' => 'Ᾰ', 'ᾱ' => 'Ᾱ', 'ὰ' => 'Ὰ', 'ά' => 'Ά',
		'ᾳ' => 'ᾼ', 'ι' => 'ι', 'ὴι' => 'ῂ', 'ηι' => 'ῃ',
		'ήι' => 'ῄ', 'ῆ' => 'ῆ', 'ῆι' => 'ῇ', 'ὲ' => 'Ὲ',
		'έ' => 'Έ', 'ὴ' => 'Ὴ', 'ή' => 'Ή', 'ῃ' => 'ῌ',
		'ῒ' => 'ῒ', 'ΐ' => 'ΐ', 'ῖ' => 'ῖ', 'ῗ' => 'ῗ',
		'ῐ' => 'Ῐ', 'ῑ' => 'Ῑ', 'ὶ' => 'Ὶ', 'ί' => 'Ί',
		'ῢ' => 'ῢ', 'ΰ' => 'ΰ', 'ῤ' => 'ῤ', 'ῦ' => 'ῦ',
		'ῧ' => 'ῧ', 'ῠ' => 'Ῠ', 'ῡ' => 'Ῡ', 'ὺ' => 'Ὺ',
		'ύ' => 'Ύ', 'ῥ' => 'Ῥ', 'ὼι' => 'ῲ', 'ωι' => 'ῳ',
		'ώι' => 'ῴ', 'ῶ' => 'ῶ', 'ῶι' => 'ῷ', 'ὸ' => 'Ὸ',
		'ό' => 'Ό', 'ὼ' => 'Ὼ', 'ώ' => 'Ώ', 'ῳ' => 'ῼ',
		'ω' => 'Ω', 'k' => 'K', 'å' => 'Å', 'ⅎ' => 'Ⅎ',
		'ⅰ' => 'Ⅰ', 'ⅱ' => 'Ⅱ', 'ⅲ' => 'Ⅲ', 'ⅳ' => 'Ⅳ',
		'ⅴ' => 'Ⅴ', 'ⅵ' => 'Ⅵ', 'ⅶ' => 'Ⅶ', 'ⅷ' => 'Ⅷ',
		'ⅸ' => 'Ⅸ', 'ⅹ' => 'Ⅹ', 'ⅺ' => 'Ⅺ', 'ⅻ' => 'Ⅻ',
		'ⅼ' => 'Ⅼ', 'ⅽ' => 'Ⅽ', 'ⅾ' => 'Ⅾ', 'ⅿ' => 'Ⅿ',
		'ↄ' => 'Ↄ', 'ⓐ' => 'Ⓐ', 'ⓑ' => 'Ⓑ', 'ⓒ' => 'Ⓒ',
		'ⓓ' => 'Ⓓ', 'ⓔ' => 'Ⓔ', 'ⓕ' => 'Ⓕ', 'ⓖ' => 'Ⓖ',
		'ⓗ' => 'Ⓗ', 'ⓘ' => 'Ⓘ', 'ⓙ' => 'Ⓙ', 'ⓚ' => 'Ⓚ',
		'ⓛ' => 'Ⓛ', 'ⓜ' => 'Ⓜ', 'ⓝ' => 'Ⓝ', 'ⓞ' => 'Ⓞ',
		'ⓟ' => 'Ⓟ', 'ⓠ' => 'Ⓠ', 'ⓡ' => 'Ⓡ', 'ⓢ' => 'Ⓢ',
		'ⓣ' => 'Ⓣ', 'ⓤ' => 'Ⓤ', 'ⓥ' => 'Ⓥ', 'ⓦ' => 'Ⓦ',
		'ⓧ' => 'Ⓧ', 'ⓨ' => 'Ⓨ', 'ⓩ' => 'Ⓩ', 'ⰰ' => 'Ⰰ',
		'ⰱ' => 'Ⰱ', 'ⰲ' => 'Ⰲ', 'ⰳ' => 'Ⰳ', 'ⰴ' => 'Ⰴ',
		'ⰵ' => 'Ⰵ', 'ⰶ' => 'Ⰶ', 'ⰷ' => 'Ⰷ', 'ⰸ' => 'Ⰸ',
		'ⰹ' => 'Ⰹ', 'ⰺ' => 'Ⰺ', 'ⰻ' => 'Ⰻ', 'ⰼ' => 'Ⰼ',
		'ⰽ' => 'Ⰽ', 'ⰾ' => 'Ⰾ', 'ⰿ' => 'Ⰿ', 'ⱀ' => 'Ⱀ',
		'ⱁ' => 'Ⱁ', 'ⱂ' => 'Ⱂ', 'ⱃ' => 'Ⱃ', 'ⱄ' => 'Ⱄ',
		'ⱅ' => 'Ⱅ', 'ⱆ' => 'Ⱆ', 'ⱇ' => 'Ⱇ', 'ⱈ' => 'Ⱈ',
		'ⱉ' => 'Ⱉ', 'ⱊ' => 'Ⱊ', 'ⱋ' => 'Ⱋ', 'ⱌ' => 'Ⱌ',
		'ⱍ' => 'Ⱍ', 'ⱎ' => 'Ⱎ', 'ⱏ' => 'Ⱏ', 'ⱐ' => 'Ⱐ',
		'ⱑ' => 'Ⱑ', 'ⱒ' => 'Ⱒ', 'ⱓ' => 'Ⱓ', 'ⱔ' => 'Ⱔ',
		'ⱕ' => 'Ⱕ', 'ⱖ' => 'Ⱖ', 'ⱗ' => 'Ⱗ', 'ⱘ' => 'Ⱘ',
		'ⱙ' => 'Ⱙ', 'ⱚ' => 'Ⱚ', 'ⱛ' => 'Ⱛ', 'ⱜ' => 'Ⱜ',
		'ⱝ' => 'Ⱝ', 'ⱞ' => 'Ⱞ', 'ⱡ' => 'Ⱡ', 'ɫ' => 'Ɫ',
		'ᵽ' => 'Ᵽ', 'ɽ' => 'Ɽ', 'ⱨ' => 'Ⱨ', 'ⱪ' => 'Ⱪ',
		'ⱬ' => 'Ⱬ', 'ⱶ' => 'Ⱶ', 'ⲁ' => 'Ⲁ', 'ⲃ' => 'Ⲃ',
		'ⲅ' => 'Ⲅ', 'ⲇ' => 'Ⲇ', 'ⲉ' => 'Ⲉ', 'ⲋ' => 'Ⲋ',
		'ⲍ' => 'Ⲍ', 'ⲏ' => 'Ⲏ', 'ⲑ' => 'Ⲑ', 'ⲓ' => 'Ⲓ',
		'ⲕ' => 'Ⲕ', 'ⲗ' => 'Ⲗ', 'ⲙ' => 'Ⲙ', 'ⲛ' => 'Ⲛ',
		'ⲝ' => 'Ⲝ', 'ⲟ' => 'Ⲟ', 'ⲡ' => 'Ⲡ', 'ⲣ' => 'Ⲣ',
		'ⲥ' => 'Ⲥ', 'ⲧ' => 'Ⲧ', 'ⲩ' => 'Ⲩ', 'ⲫ' => 'Ⲫ',
		'ⲭ' => 'Ⲭ', 'ⲯ' => 'Ⲯ', 'ⲱ' => 'Ⲱ', 'ⲳ' => 'Ⲳ',
		'ⲵ' => 'Ⲵ', 'ⲷ' => 'Ⲷ', 'ⲹ' => 'Ⲹ', 'ⲻ' => 'Ⲻ',
		'ⲽ' => 'Ⲽ', 'ⲿ' => 'Ⲿ', 'ⳁ' => 'Ⳁ', 'ⳃ' => 'Ⳃ',
		'ⳅ' => 'Ⳅ', 'ⳇ' => 'Ⳇ', 'ⳉ' => 'Ⳉ', 'ⳋ' => 'Ⳋ',
		'ⳍ' => 'Ⳍ', 'ⳏ' => 'Ⳏ', 'ⳑ' => 'Ⳑ', 'ⳓ' => 'Ⳓ',
		'ⳕ' => 'Ⳕ', 'ⳗ' => 'Ⳗ', 'ⳙ' => 'Ⳙ', 'ⳛ' => 'Ⳛ',
		'ⳝ' => 'Ⳝ', 'ⳟ' => 'Ⳟ', 'ⳡ' => 'Ⳡ', 'ⳣ' => 'Ⳣ',
		'ff' => 'ff', 'fi' => 'fi', 'fl' => 'fl', 'ffi' => 'ffi',
		'ffl' => 'ffl', 'st' => 'ſt', 'st' => 'st', 'մն' => 'ﬓ',
		'մե' => 'ﬔ', 'մի' => 'ﬕ', 'վն' => 'ﬖ', 'մխ' => 'ﬗ',
		'ａ' => 'Ａ', 'ｂ' => 'Ｂ', 'ｃ' => 'Ｃ', 'ｄ' => 'Ｄ',
		'ｅ' => 'Ｅ', 'ｆ' => 'Ｆ', 'ｇ' => 'Ｇ', 'ｈ' => 'Ｈ',
		'ｉ' => 'Ｉ', 'ｊ' => 'Ｊ', 'ｋ' => 'Ｋ', 'ｌ' => 'Ｌ',
		'ｍ' => 'Ｍ', 'ｎ' => 'Ｎ', 'ｏ' => 'Ｏ', 'ｐ' => 'Ｐ',
		'ｑ' => 'Ｑ', 'ｒ' => 'Ｒ', 'ｓ' => 'Ｓ', 'ｔ' => 'Ｔ',
		'ｕ' => 'Ｕ', 'ｖ' => 'Ｖ', 'ｗ' => 'Ｗ', 'ｘ' => 'Ｘ',
		'ｙ' => 'Ｙ', 'ｚ' => 'Ｚ', '𐐨' => '𐐀', '𐐩' => '𐐁',
		'𐐪' => '𐐂', '𐐫' => '𐐃', '𐐬' => '𐐄', '𐐭' => '𐐅',
		'𐐮' => '𐐆', '𐐯' => '𐐇', '𐐰' => '𐐈', '𐐱' => '𐐉',
		'𐐲' => '𐐊', '𐐳' => '𐐋', '𐐴' => '𐐌', '𐐵' => '𐐍',
		'𐐶' => '𐐎', '𐐷' => '𐐏', '𐐸' => '𐐐', '𐐹' => '𐐑',
		'𐐺' => '𐐒', '𐐻' => '𐐓', '𐐼' => '𐐔', '𐐽' => '𐐕',
		'𐐾' => '𐐖', '𐐿' => '𐐗', '𐑀' => '𐐘', '𐑁' => '𐐙',
		'𐑂' => '𐐚', '𐑃' => '𐐛', '𐑄' => '𐐜', '𐑅' => '𐐝',
		'𐑆' => '𐐞', '𐑇' => '𐐟', '𐑈' => '𐐠', '𐑉' => '𐐡',
		'𐑊' => '𐐢', '𐑋' => '𐐣', '𐑌' => '𐐤', '𐑍' => '𐐥',
		'𐐦' => '𐑎', '𐐧' => '𐑏',
	);

	return strtr($string, $case_folding);
}

/**
 * Fixes corrupted serialized strings after a character set conversion.
 */
function fix_serialized_columns()
{
	$db = database();

	$request = $db->query('', '
		SELECT id_action, extra
		FROM {db_prefix}log_actions
		WHERE action IN ({string:remove}, {string:delete})',
		array(
			'remove' => 'remove',
			'delete' => 'delete',
		)
	);
	while ($row = $db->fetch_assoc($request))

The method fetch_assoc() does not exist on ElkArte\Database\QueryInterface. Since it exists in all sub-types, consider adding an abstract or default implementation to ElkArte\Database\QueryInterface.

	{
		if (@unserialize($row['extra']) === false && preg_match('~^(a:3:{s:5:"topic";i:\d+;s:7:"subject";s:)(\d+):"(.+)"(;s:6:"member";s:5:"\d+";})$~', $row['extra'], $matches) === 1)
		{
			$db->query('', '
				UPDATE {db_prefix}log_actions
				SET extra = {string:extra}
				WHERE id_action = {int:current_action}',
				array(
					'current_action' => $row['id_action'],
					'extra' => $matches[1] . strlen($matches[3]) . ':"' . $matches[3] . '"' . $matches[4],
				)
			);
		}
	}
	$db->free_result($request);

The method free_result() does not exist on ElkArte\Database\QueryInterface. Since it exists in all sub-types, consider adding an abstract or default implementation to ElkArte\Database\QueryInterface.

	// Refresh some cached data.
	updateSettings(array(
		'memberlist_updated' => time(),
	));
}