Charset.php

<?php
namespace phputil;

/**
 *  Common charsets.
 *  
 *  @author	Thiago Delgado Pinto
 *  
 *  @see	http://www.iana.org/assignments/character-sets/character-sets.xhtml
 *  @see	https://en.wikipedia.org/wiki/Character_encoding
 *  @see	http://www.cs.tut.fi/~jkorpela/chars/sorted.html
 */
class Charset {
	
	// ASCII (7 bits)
	
	const ASCII = 'ASCII'; // Alias for "US-ASCII", but the alias became more common than the original.
	
	// CODE PAGES (CP, 8-bits)
	
	// EBCDIC (8-bits)
	
	const EBCDIC = 'EBCDIC';
	
	// ISO (8-bits)
	
	const ISO_8859_1 = 'ISO-8859-1'; // Western Europe
	const ISO_8859_2 = 'ISO-8859-2'; // Western Europe and Central Europe
	const ISO_8859_3 = 'ISO-8859-3'; // Western Europe and South European (Turkish, Maltese plus Esperanto)
	const ISO_8859_4 = 'ISO-8859-4'; // Western Europe and Baltic countries (Lithuania, Estonia, Latvia and Lapp)
	const ISO_8859_5 = 'ISO-8859-5'; // Cyrillic alphabet
	const ISO_8859_6 = 'ISO-8859-6'; // Arabic
	const ISO_8859_7 = 'ISO-8859-7'; // Greek
	const ISO_8859_8 = 'ISO-8859-8'; // Hebrew
	const ISO_8859_9 = 'ISO-8859-9'; // Western Europe with amended Turkish character set
	const ISO_8859_10 = 'ISO-8859-10'; // Western Europe with rationalised character set for Nordic languages, including complete Icelandic set
	const ISO_8859_11 = 'ISO-8859-11'; // Thai
	const ISO_8859_13 = 'ISO-8859-13'; // Baltic languages plus Polish
	const ISO_8859_14 = 'ISO-8859-14'; // Celtic languages (Irish Gaelic, Scottish, Welsh)
	const ISO_8859_15 = 'ISO-8859-15'; // Added the Euro sign and other rationalisations to ISO 8859-1
	const ISO_8859_16 = 'ISO-8859-16'; // Central, Eastern and Southern European languages (Albanian, Bosnian, Croatian, Hungarian, Polish, Romanian, Serbian and Slovenian, but also French, German, Italian and Irish Gaelic)
	
	// WINDOWS (8-bits)
	
	const WIN_1250 = 'windows-1250'; // Central European languages that use Latin script, (Polish, Czech, Slovak, Hungarian, Slovene, Serbian, Croatian, Bosnian, Romanian and Albanian)
	const WIN_1251 = 'windows-1251'; // Cyrillic alphabets
	const WIN_1252 = 'windows-1252'; // Western languages
	const WIN_1253 = 'windows-1253'; // Greek
	const WIN_1254 = 'windows-1254'; // Turkish
	const WIN_1255 = 'windows-1255'; // Hebrew
	const WIN_1256 = 'windows-1256'; // Arabic
	const WIN_1257 = 'windows-1257'; // Baltic languages
	const WIN_1258 = 'windows-1258'; // Vietnamese
	
	// UNICODE
	
	const UTF_8 = 'UTF-8'; // 8 bits
	const UTF_16 = 'UTF-16'; // 16 bits
	const UTF_32 = 'UTF-32'; // 32 bits

	// UTIL - ALIASES
	
	const LATIN_1 = 'latin1'; // Same as ISO-8859-1
	
}

?>