Bad code parse letters)))

StrParser.php

<?php

final class StrParser
{
	public const LETTER_A = 'Ａ|Ⓐ|ⓐ|ａ|á|À|Â|à|Â|â|Ä|ä|Ã|ã|Å|å|α|Δ|Λ|λ|Ꭿ|∀|₳|Ǻ|ǻ|α|ά|Ǡ|Ắ|ắ|Ằ|ằ|ẳ|Ẵ|ẵ|Ä|ª|ä|Å|À|Á|Â|å|ã|â|à|á|Ã|ᗩ|@|Ⱥ|Ǟ';
	public const LETTER_B = 'Ｂ|Ⓑ|ⓑ|ｂ|ß|Β|β|ℬ|Ᏸ|β|฿|ß|Ђ|ᗷ|ᗽ|ᗾ|ᗿ|Ɓ|ƀ|ხ|␢|Ᏸ|ᗸ|ᗹ|ᛔ';
	public const LETTER_C = 'Ｃ|Ⓒ|ⓒ|ｃ|Ç|ç|¢|©|☾|ℭ|ℂ|Ç|¢|ç|Č|ċ|Ċ|ĉ|ς|Ĉ|ć|Ć|č|Ḉ|ḉ|⊂|Ꮸ|₡|¢|Ⴚ';
	public const LETTER_D = 'ｄ|Ⓓ|ⓓ|Þ|þ|Ð|ð|∂|ᗫ|Ɗ|Ď|ď|Đ|đ|ð|∂|₫|ȡ|ᚦ|ᚧ';
	public const LETTER_E = 'Ｅ|Ⓔ|ⓔ|ｅ|ℰ|ℯ|ໂ|६|£|Ē|℮|ē|Ė|ė|Ę|ě|Ě|ę|Έ|ê|ξ|Ê|È|€|É|∑|Ế|Ề|Ể|Ễ|é|è|عЄ|є|έ|ε|Ҿ|ҿ';
	public const LETTER_F = 'Ｆ|Ⓕ|ⓕ|ｆ|ƒ|ℱ|₣|ƒ|∮|Ḟ|ḟ|ჶ|ᶂ|φ|ᚨ|ᚩ|ᚪ|ᚫ';
	public const LETTER_G = 'Ｇ|Ⓖ|ⓖ|ｇ|Ꮹ|Ꮆ|ℊ|Ǥ|ǥ|Ĝ|ĝ|Ğ|ğ|Ġ|ġ|Ģ|ģ|פ|ᶃ|₲';
	public const LETTER_H = 'Ｈ|Ⓗ|ⓗ|ｈ|ℍ|ℋ|ℎ|ℌ|ℏ|ዙ|Ꮵ|Ĥ|Ħ|ħ|Ή|廾|Ћ|ђ|Ḩ|Һ|ḩ|♄|ਮ';
	public const LETTER_I = 'Ｉ|Ⓘ|ⓘ|ｉ|Ì|Í|Î|Ï|ì|í|î|ï|ℐ|ί|ι|Ï|Ί|Î|ì|Ì|í|Í|î|ϊ|ΐ|Ĩ|ĩ|Ī|ī|Ĭ|ĭ|İ|į|Į|Ꭵ';
	public const LETTER_J = 'Ｊ|Ⓙ|ⓙ|ｊ|ჟ|Ĵ|ĵ|ᶖ|ɉ|ℑ';
	public const LETTER_K = 'Ｋ|Ⓚ|ⓚ|ｋ|Κ|κ|₭|Ꮶ|Ќ|k|ќ|ķ|Ķ|Ҝ|ҝ|ᶄ|Ҡ|ҡ';
	public const LETTER_L = 'Ｌ|Ⓛ|ⓛ|ｌ|£|ℒ|ℓ|Ŀ|ŀ|Ĺ|ĺ|Ļ|ļ|λ|₤|Ł|ł|ľ|Ľ|Ḽ|ḽ|ȴ|Ꮭ';
	public const LETTER_M = 'Ｍ|Ⓜ|ⓜ|ｍ|ℳ|ʍ|ᶆ|Ḿ|ḿ|ᗰ|ᙢ|爪|₥|ጠ|ᛖ';
	public const LETTER_N = 'Ｎ|Ⓝ|ⓝ|ｎ|η|ñ|Ν|Π|ℕ|η|ñ|ח|Ñ|ή|ŋ|Ŋ|Ń|ń|Ņ|ņ|Ň|ň|ʼn|ȵ|ℵ|₦|ห|ກ|⋒|Ӈ|ӈ';
	public const LETTER_O = 'Ｏ|Ⓞ|ⓞ|ｏ|Ο|○|ο|Φ|¤|°|ø|ö|ó|ℴ|ტ|٥|Ό|ó|ό|σ|ǿ|Ǿ|Θ|ò|Ó|Ò|Ô|ô|Ö|ö|Õ|õ|ờ|ớ|ọ|Ọ|ợ|Ợ|ø|Ø|Ό|Ở|Ờ|Ớ|Ổ|ổ|Ợ|Ō|ō|Ő|ő';
	public const LETTER_P = 'Ｐ|Ⓟ|ⓟ|ｐ|ρ|Ρ|¶|þ|ℙ|℘|ρ|Ꭾ|Ꮅ|尸|Ҏ|ҏ|ᶈ|₱|☧|ᖘ|ק|₽|թ|Ƿ|Ҏ|ҏ';
	public const LETTER_Q = 'Ｑ|Ⓠ|ⓠ|ｑ|ℚ|q|Q|ᶐ|Ǭ|ǭ|ჹ|૧';
	public const LETTER_R = 'Ｒ|Ⓡ|ⓡ|ｒ|®|ℝ|ℜ|ℛ|℟|ჩ|ᖇ|ř|Ř|ŗ|Ŗ|ŕ|Ŕ|ᶉ|Ꮢ|尺|ᚱ';
	public const LETTER_S = 'Ｓ|Ⓢ|ⓢ|ｓ|Ṧ|ṧ|ȿ|Ś|ś|š|Š|ş|Ş|ŝ|Ŝ|₰|∫|ֆ|Տ|క';
	public const LETTER_T = 'Ｔ|Ⓣ|ⓣ|ｔ|Τ|τ|₸|†|T|t|τ|Ţ|ţ|Ť|ť|ŧ|Ŧ|干|Ṫ|ṫ|ナ|Ꮏ|Ꮖ|テ|₮|⍡';
	public const LETTER_U = 'Ｕ|Ⓤ|ⓤ|ｕ|υ|µ|∪|ᙀ|Ũ|Ủ|Ừ|Ử|Ữ|Ự|ύ|ϋ|ú|Ú|ΰ|ù|Û|û|Ü|ử|ữ|ự|ü|ừ|Ũ|ũ|Ū|ū|Ŭ|ŭ|ų|Ų|ű|Ű|ů|Ů|น|Ա';
	public const LETTER_V = 'Ｖ|Ⓥ|ⓥ|ｖ|ν|✔|✓|∨|√|Ꮙ|Ṽ|ṽ|ᶌ|℣';
	public const LETTER_W = 'Ｗ|Ⓦ|ⓦ|ｗ|ω|ψ|Ψ|₩|ẃ|Ẃ|ẁ|Ẁ|ẅ|ώ|ω|ŵ|Ŵ|Ꮤ|Ꮃ|ฬ|ᗯ|ᙡ|Ẅ|ѡ|ಎ|ಭ|Ꮚ|Ꮗ|ผ|ฝ|พ|ฟ';
	public const LETTER_X = 'Ｘ|Ⓧ|ⓧ|ｘ|Χ|χ|×|χ|×|✗|✘|᙭|ჯ|Ẍ|ẍ|ᶍ|א';
	public const LETTER_Y = 'Ｙ|Ⓨ|ⓨ|ｙ|¥|γ|ÿ|ý|Ÿ|Ý|ɣ|Ꭹ|Ꮍ|Ẏ|ẏ|ϒ|ɤ|￥|ע|௶|Ⴘ';
	public const LETTER_Z = 'Ｚ|Ⓩ|ⓩ|ｚ|ℤ|乙|Ẑ|ẑ|ɀ|Ꮓ';
	public const LETTERS = [
		self::LETTER_A => 'a',
		self::LETTER_B => 'b',
		self::LETTER_C => 'c',
		self::LETTER_D => 'd',
		self::LETTER_E => 'e',
		self::LETTER_F => 'f',
		self::LETTER_G => 'g',
		self::LETTER_H => 'h',
		self::LETTER_I => 'i',
		self::LETTER_J => 'j',
		self::LETTER_K => 'k',
		self::LETTER_L => 'l',
		self::LETTER_M => 'm',
		self::LETTER_N => 'n',
		self::LETTER_O => 'o',
		self::LETTER_P => 'p',
		self::LETTER_Q => 'q',
		self::LETTER_R => 'r',
		self::LETTER_S => 's',
		self::LETTER_T => 't',
		self::LETTER_U => 'u',
		self::LETTER_V => 'v',
		self::LETTER_W => 'w',
		self::LETTER_X => 'x',
		self::LETTER_Y => 'y',
		self::LETTER_Z => 'z',
	];
	public const LETTER_RU_B = 'Ҕ|ҕ|Ϭ|ϭ|চ|ঢ়|ƃ|ɓ';
	public const LETTER_RU_G = '୮|┍|ℾ';
	public const LETTER_RU_D = 'ℊ|∂';
	public const LETTER_RU_ZH = 'ᛤ|♅|Җ|җ|Ӝ|ӝ|Ӂ|ӂ';
	public const LETTER_RU_Z = 'Յ|ℨ|ჳ';
	public const LETTER_RU_I = 'น|ự|Ӥ|ӥ|Ũ|ũ|Ū|ū|Ŭ|ŭ|Ù|ú|Ú|ù|Ҋ|ҋ';
	public const LETTER_RU_L = 'ለ|ሉ|ሊ|ሌ|ል|ሎ|Ꮧ|Ꮑ';
	public const LETTER_RU_P = 'Ո|ग|ກ|⋒|Ҧ|ҧ';
	public const LETTER_RU_F = 'Փ|փ|Ⴔ|ቁ|ቂ|ቃ|ቄ|ቅ|ቆ|ቇ|ቈ|ᛄ';
	public const LETTER_RU_C = 'Ա|ų';
	public const LETTER_RU_CH = 'Կ|կ|੫|Ⴁ|Ӵ|ӵ|Ҹ|ҹ';
	public const LETTER_RU_SH = 'ש|ᗯ|ᙡ|ω';
	public const LETTER_RU_SCH = 'պ|ખ';
	public const LETTER_RU_II = 'Ӹ|ӹ';
	public const LETTER_RU_SHIFT = 'Ѣ|ѣ|৮';
	public const LETTER_RU_E = '∋|∌|∍|ヨ|Ӭ|ӭ|℈';
	public const LETTER_RU_U = 'ਠ';
	public const LETTERS_RU = [
		self::LETTER_RU_B => 'б',
		self::LETTER_RU_G => 'г',
		self::LETTER_RU_D => 'д',
		self::LETTER_RU_ZH => 'ж',
		self::LETTER_RU_Z => 'з',
		self::LETTER_RU_I => 'и',
		self::LETTER_RU_L => 'л',
		self::LETTER_RU_P => 'п',
		self::LETTER_RU_F => 'ф',
		self::LETTER_RU_C => 'ц',
		self::LETTER_RU_CH => 'ч',
		self::LETTER_RU_SH => 'ш',
		self::LETTER_RU_SCH => 'щ',
		self::LETTER_RU_II => 'ы',
		self::LETTER_RU_SHIFT => 'ь',
		self::LETTER_RU_E => 'э',
		self::LETTER_RU_U => 'ю',
	];
	public const NUMBER_0 = '０';
	public const NUMBER_1 = '１|①|❶|①|Ⅰ';
	public const NUMBER_2 = '２|②|❷|②|Ⅱ';
	public const NUMBER_3 = '３|③|❸|③|Ⅲ';
	public const NUMBER_4 = '４|④|❹|④|Ⅳ';
	public const NUMBER_5 = '５|⑤|❺|⑤|Ⅴ';
	public const NUMBER_6 = '６|⑥|❻|⑥|Ⅵ';
	public const NUMBER_7 = '７|⑦|❼|⑦|Ⅶ';
	public const NUMBER_8 = '８|⑧|❽|⑧|Ⅷ';
	public const NUMBER_9 = '９|⑨|❾|⑨|Ⅸ';
	public const NUMBERS = [
		self::NUMBER_0 => 0,
		self::NUMBER_1 => 1,
		self::NUMBER_2 => 2,
		self::NUMBER_3 => 3,
		self::NUMBER_4 => 4,
		self::NUMBER_5 => 5,
		self::NUMBER_6 => 6,
		self::NUMBER_7 => 7,
		self::NUMBER_8 => 8,
		self::NUMBER_9 => 9,
	];

	/**
	 * Parse string and return clean text
	 *
	 * @param string $str
	 * @param bool $clearLetters
	 * @param bool $clearNumbers
	 *
	 * @return string
	 */
	public static function parse(string $str, bool $clearLetters = true, bool $clearNumbers = true): string
	{
		if ($clearLetters) {
			foreach (self::LETTERS as $pattern => $letter) {
				$str = preg_replace('/' . $pattern . '/', $letter, $str);
			}
			foreach (self::LETTERS_RU as $pattern => $letter) {
				$str = preg_replace('/' . $pattern . '/', $letter, $str);
			}
		}
		if ($clearNumbers) {
			foreach (self::NUMBERS as $pattern => $number) {
				$str = preg_replace('/' . $pattern . '/', $number, $str);
			}
		}

		return $str;
	}
}