Class idna_convert

Description

Encode/decode Internationalized Domain Names.

The class allows to convert internationalized domain names (see RFC 3490 for details) as they can be used with various registries worldwide to be translated between their original (localized) form and their encoded form as it will be used in the DNS (Domain Name System).

The class provides two public methods, encode() and decode(), which do exactly what you would expect them to do. You are allowed to use complete domain names, simple strings and complete email addresses as well. That means, that you might use any of the following notations:

  • www.nörgler.com
  • xn--nrgler-wxa
  • xn--brse-5qa.xn--knrz-1ra.info
Unicode input might be given as either UTF-8 string, UCS-4 string or UCS-4 array. Unicode output is available in the same formats. You can select your preferred format via set_paramter().

ACE input and output is always expected to be ASCII.

Located in /libraries/idna_convert/idna_convert.class.php (line 54)


	
			
Variable Summary
 static mixed $NP
 static mixed $_mb_string_overload
 mixed $_base
 mixed $_damp
 mixed $_error
 mixed $_initial_n
 mixed $_lbase
 mixed $_lcount
 mixed $_max_ucs
 mixed $_ncount
 mixed $_sbase
 mixed $_scount
 mixed $_skew
 mixed $_tbase
 mixed $_tcount
 mixed $_tmax
 mixed $_tmin
 mixed $_vbase
 mixed $_vcount
Method Summary
 static integer byteLength (string $string)
 boolean __construct ([array $options = false])
 string decode (string $input, [ $one_time_encoding = false])
 string encode (string $decoded, [ $one_time_encoding = false])
 string encode_uri (string $uri)
 idna_convert getInstance ([array $params = array()])
 string get_last_error (void 0)
 boolean set_parameter (mixed $option, [string $value = false])
 object idna_convert singleton ([array $params = array()])
 int _adapt (int $delta, int $npoints, int $is_first)
 array _apply_cannonical_ordering (array $input)
 array _combine (array $input)
 mixed _decode (string $encoded)
 int _decode_digit (int $cp)
 mixed _encode (string $decoded)
 string _encode_digit (int $d)
 void _error ([string $error = ''])
 integer _get_combining_class (integer $char)
 array _hangul_compose (array $input)
 array _hangul_decompose (integer $char)
 string _nameprep (array $input)
 array _ucs4_string_to_ucs4 (string $input)
 string _ucs4_to_ucs4_string (array $input)
 string _ucs4_to_utf8 (string $input)
 string _utf8_to_ucs4 (string $input)
Variables
static mixed $NP = array
('map_nothing' => array(0xAD, 0x34F, 0x1806, 0x180B, 0x180C, 0x180D, 0x200B, 0x200C
,0x200D, 0x2060, 0xFE00, 0xFE01, 0xFE02, 0xFE03, 0xFE04, 0xFE05, 0xFE06, 0xFE07
,0xFE08, 0xFE09, 0xFE0A, 0xFE0B, 0xFE0C, 0xFE0D, 0xFE0E, 0xFE0F, 0xFEFF
),'general_prohibited'=>array(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,47,59,60,61,62,63,64,91,92,93,94,95,96,123,124,125,126,127,0x3002),'prohibit'=>array(0xA0,0x340,0x341,0x6DD,0x70F,0x1680,0x180E,0x2000,0x2001,0x2002,0x2003,0x2004,0x2005,0x2006,0x2007,0x2008,0x2009,0x200A,0x200B,0x200C,0x200D,0x200E,0x200F,0x2028,0x2029,0x202A,0x202B,0x202C,0x202D,0x202E,0x202F,0x205F,0x206A,0x206B,0x206C,0x206D,0x206E,0x206F,0x3000,0xFEFF,0xFFF9,0xFFFA,0xFFFB,0xFFFC,0xFFFD,0xFFFE,0xFFFF,0x1FFFE,0x1FFFF,0x2FFFE,0x2FFFF,0x3FFFE,0x3FFFF,0x4FFFE,0x4FFFF,0x5FFFE,0x5FFFF,0x6FFFE,0x6FFFF,0x7FFFE,0x7FFFF,0x8FFFE,0x8FFFF,0x9FFFE,0x9FFFF,0xAFFFE,0xAFFFF,0xBFFFE,0xBFFFF,0xCFFFE,0xCFFFF,0xDFFFE,0xDFFFF,0xE0001,0xEFFFE,0xEFFFF,0xFFFFE,0xFFFFF,0x10FFFE,0x10FFFF),'prohibit_ranges'=>array(array(0x80,0x9F),array(0x2060,0x206F),array(0x1D173,0x1D17A),array(0xE000,0xF8FF),array(0xF0000,0xFFFFD),array(0x100000,0x10FFFD),array(0xFDD0,0xFDEF),array(0xD800,0xDFFF),array(0x2FF0,0x2FFB),array(0xE0020,0xE007F)),'replacemaps'=>array(0x41=>array(0x61),0x42=>array(0x62),0x43=>array(0x63),0x44=>array(0x64),0x45=>array(0x65),0x46=>array(0x66),0x47=>array(0x67),0x48=>array(0x68),0x49=>array(0x69),0x4A=>array(0x6A),0x4B=>array(0x6B),0x4C=>array(0x6C),0x4D=>array(0x6D),0x4E=>array(0x6E),0x4F=>array(0x6F),0x50=>array(0x70),0x51=>array(0x71),0x52=>array(0x72),0x53=>array(0x73),0x54=>array(0x74),0x55=>array(0x75),0x56=>array(0x76),0x57=>array(0x77),0x58=>array(0x78),0x59=>array(0x79),0x5A=>array(0x7A),0xB5=>array(0x3BC),0xC0=>array(0xE0),0xC1=>array(0xE1),0xC2=>array(0xE2),0xC3=>array(0xE3),0xC4=>array(0xE4),0xC5=>array(0xE5),0xC6=>array(0xE6),0xC7=>array(0xE7),0xC8=>array(0xE8),0xC9=>array(0xE9),0xCA=>array(0xEA),0xCB=>array(0xEB),0xCC=>array(0xEC),0xCD=>array(0xED),0xCE=>array(0xEE),0xCF=>array(0xEF),0xD0=>array(0xF0),0xD1=>array(0xF1),0xD2=>array(0xF2),0xD3=>array(0xF3),0xD4=>array(0xF4),0xD5=>array(0xF5),0xD6=>array(0xF6),0xD8=>array(0xF8),0xD9=>array(0xF9),0xDA=>array(0xFA),0xDB=>array(0xFB),0xDC=>array(0xFC),0xDD=>array(0xFD),0xDE=>array(0xFE),0xDF=>array(0x73,0x73),0x100=>array(0x101),0x102=>array(0x103),0x104=>array(0x105),0x106=>array(0x107),0x108=>array(0x109),0x10A=>array(0x10B),0x10C=>array(0x10D),0x10E=>array(0x10F),0x110=>array(0x111),0x112=>array(0x113),0x114=>array(0x115),0x116=>array(0x117),0x118=>array(0x119),0x11A=>array(0x11B),0x11C=>array(0x11D),0x11E=>array(0x11F),0x120=>array(0x121),0x122=>array(0x123),0x124=>array(0x125),0x126=>array(0x127),0x128=>array(0x129),0x12A=>array(0x12B),0x12C=>array(0x12D),0x12E=>array(0x12F),0x130=>array(0x69,0x307),0x132=>array(0x133),0x134=>array(0x135),0x136=>array(0x137),0x139=>array(0x13A),0x13B=>array(0x13C),0x13D=>array(0x13E),0x13F=>array(0x140),0x141=>array(0x142),0x143=>array(0x144),0x145=>array(0x146),0x147=>array(0x148),0x149=>array(0x2BC,0x6E),0x14A=>array(0x14B),0x14C=>array(0x14D),0x14E=>array(0x14F),0x150=>array(0x151),0x152=>array(0x153),0x154=>array(0x155),0x156=>array(0x157),0x158=>array(0x159),0x15A=>array(0x15B),0x15C=>array(0x15D),0x15E=>array(0x15F),0x160=>array(0x161),0x162=>array(0x163),0x164=>array(0x165),0x166=>array(0x167),0x168=>array(0x169),0x16A=>array(0x16B),0x16C=>array(0x16D),0x16E=>array(0x16F),0x170=>array(0x171),0x172=>array(0x173),0x174=>array(0x175),0x176=>array(0x177),0x178=>array(0xFF),0x179=>array(0x17A),0x17B=>array(0x17C),0x17D=>array(0x17E),0x17F=>array(0x73),0x181=>array(0x253),0x182=>array(0x183),0x184=>array(0x185),0x186=>array(0x254),0x187=>array(0x188),0x189=>array(0x256),0x18A=>array(0x257),0x18B=>array(0x18C),0x18E=>array(0x1DD),0x18F=>array(0x259),0x190=>array(0x25B),0x191=>array(0x192),0x193=>array(0x260),0x194=>array(0x263),0x196=>array(0x269),0x197=>array(0x268),0x198=>array(0x199),0x19C=>array(0x26F),0x19D=>array(0x272),0x19F=>array(0x275),0x1A0=>array(0x1A1),0x1A2=>array(0x1A3),0x1A4=>array(0x1A5),0x1A6=>array(0x280),0x1A7=>array(0x1A8),0x1A9=>array(0x283),0x1AC=>array(0x1AD),0x1AE=>array(0x288),0x1AF=>array(0x1B0),0x1B1=>array(0x28A),0x1B2=>array(0x28B),0x1B3=>array(0x1B4),0x1B5=>array(0x1B6),0x1B7=>array(0x292),0x1B8=>array(0x1B9),0x1BC=>array(0x1BD),0x1C4=>array(0x1C6),0x1C5=>array(0x1C6),0x1C7=>array(0x1C9),0x1C8=>array(0x1C9),0x1CA=>array(0x1CC),0x1CB=>array(0x1CC),0x1CD=>array(0x1CE),0x1CF=>array(0x1D0),0x1D1=>array(0x1D2),0x1D3=>array(0x1D4),0x1D5=>array(0x1D6),0x1D7=>array(0x1D8),0x1D9=>array(0x1DA),0x1DB=>array(0x1DC),0x1DE=>array(0x1DF),0x1E0=>array(0x1E1),0x1E2=>array(0x1E3),0x1E4=>array(0x1E5),0x1E6=>array(0x1E7),0x1E8=>array(0x1E9),0x1EA=>array(0x1EB),0x1EC=>array(0x1ED),0x1EE=>array(0x1EF),0x1F0=>array(0x6A,0x30C),0x1F1=>array(0x1F3),0x1F2=>array(0x1F3),0x1F4=>array(0x1F5),0x1F6=>array(0x195),0x1F7=>array(0x1BF),0x1F8=>array(0x1F9),0x1FA=>array(0x1FB),0x1FC=>array(0x1FD),0x1FE=>array(0x1FF),0x200=>array(0x201),0x202=>array(0x203),0x204=>array(0x205),0x206=>array(0x207),0x208=>array(0x209),0x20A=>array(0x20B),0x20C=>array(0x20D),0x20E=>array(0x20F),0x21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1D71D=>array(0x3B2),0x1D71E=>array(0x3B3),0x1D71F=>array(0x3B4),0x1D720=>array(0x3B5),0x1D721=>array(0x3B6),0x1D722=>array(0x3B7),0x1D723=>array(0x3B8),0x1D724=>array(0x3B9),0x1D725=>array(0x3BA),0x1D726=>array(0x3BB),0x1D727=>array(0x3BC),0x1D728=>array(0x3BD),0x1D729=>array(0x3BE),0x1D72A=>array(0x3BF),0x1D72B=>array(0x3C0),0x1D72C=>array(0x3C1),0x1D72D=>array(0x3B8),0x1D72E=>array(0x3C3),0x1D72F=>array(0x3C4),0x1D730=>array(0x3C5),0x1D731=>array(0x3C6),0x1D732=>array(0x3C7),0x1D733=>array(0x3C8),0x1D734=>array(0x3C9),0x1D747=>array(0x3C3),0x1D756=>array(0x3B1),0x1D757=>array(0x3B2),0x1D758=>array(0x3B3),0x1D759=>array(0x3B4),0x1D75A=>array(0x3B5),0x1D75B=>array(0x3B6),0x1D75C=>array(0x3B7),0x1D75D=>array(0x3B8),0x1D75E=>array(0x3B9),0x1D75F=>array(0x3BA),0x1D760=>array(0x3BB),0x1D761=>array(0x3BC),0x1D762=>array(0x3BD),0x1D763=>array(0x3BE),0x1D764=>array(0x3BF),0x1D765=>array(0x3C0),0x1D766=>array(0x3C1),0x1D767=>array(0x3B8),0x1D768=>array(0x3C3),0x1D769=>array(0x3C4),0x1D76A=>array(0x3C5),0x1D76B=>array(0x3C6),0x1D76C=>array(0x3C7),0x1D76D=>array(0x3C8),0x1D76E=>array(0x3C9),0x1D781=>array(0x3C3),0x1D790=>array(0x3B1),0x1D791=>array(0x3B2),0x1D792=>array(0x3B3),0x1D793=>array(0x3B4),0x1D794=>array(0x3B5),0x1D795=>array(0x3B6),0x1D796=>array(0x3B7),0x1D797=>array(0x3B8),0x1D798=>array(0x3B9),0x1D799=>array(0x3BA),0x1D79A=>array(0x3BB),0x1D79B=>array(0x3BC),0x1D79C=>array(0x3BD),0x1D79D=>array(0x3BE),0x1D79E=>array(0x3BF),0x1D79F=>array(0x3C0),0x1D7A0=>array(0x3C1),0x1D7A1=>array(0x3B8),0x1D7A2=>array(0x3C3),0x1D7A3=>array(0x3C4),0x1D7A4=>array(0x3C5),0x1D7A5=>array(0x3C6),0x1D7A6=>array(0x3C7),0x1D7A7=>array(0x3C8),0x1D7A8=>array(0x3C9),0x1D7BB=>array(0x3C3),0x3F9=>array(0x3C3),0x1D2C=>array(0x61),0x1D2D=>array(0xE6),0x1D2E=>array(0x62),0x1D30=>array(0x64),0x1D31=>array(0x65),0x1D32=>array(0x1DD),0x1D33=>array(0x67),0x1D34=>array(0x68),0x1D35=>array(0x69),0x1D36=>array(0x6A),0x1D37=>array(0x6B),0x1D38=>array(0x6C),0x1D39=>array(0x6D),0x1D3A=>array(0x6E),0x1D3C=>array(0x6F),0x1D3D=>array(0x223),0x1D3E=>array(0x70),0x1D3F=>array(0x72),0x1D40=>array(0x74),0x1D41=>array(0x75),0x1D42=>array(0x77),0x213B=>array(0x66,0x61,0x78),0x3250=>array(0x70,0x74,0x65),0x32CC=>array(0x68,0x67),0x32CE=>array(0x65,0x76),0x32CF=>array(0x6C,0x74,0x64),0x337A=>array(0x69,0x75),0x33DE=>array(0x76,0x2215,0x6D),0x33DF=>array(0x61,0x2215,0x6D)),'norm_combcls'=>array(0x334=>1,0x335=>1,0x336=>1,0x337=>1,0x338=>1,0x93C=>7,0x9BC=>7,0xA3C=>7,0xABC=>7,0xB3C=>7,0xCBC=>7,0x1037=>7,0x3099=>8,0x309A=>8,0x94D=>9,0x9CD=>9,0xA4D=>9,0xACD=>9,0xB4D=>9,0xBCD=>9,0xC4D=>9,0xCCD=>9,0xD4D=>9,0xDCA=>9,0xE3A=>9,0xF84=>9,0x1039=>9,0x1714=>9,0x1734=>9,0x17D2=>9,0x5B0=>10,0x5B1=>11,0x5B2=>12,0x5B3=>13,0x5B4=>14,0x5B5=>15,0x5B6=>16,0x5B7=>17,0x5B8=>18,0x5B9=>19,0x5BB=>20,0x5Bc=>21,0x5BD=>22,0x5BF=>23,0x5C1=>24,0x5C2=>25,0xFB1E=>26,0x64B=>27,0x64C=>28,0x64D=>29,0x64E=>30,0x64F=>31,0x650=>32,0x651=>33,0x652=>34,0x670=>35,0x711=>36,0xC55=>84,0xC56=>91,0xE38=>103,0xE39=>103,0xE48=>107,0xE49=>107,0xE4A=>107,0xE4B=>107,0xEB8=>118,0xEB9=>118,0xEC8=>122,0xEC9=>122,0xECA=>122,0xECB=>122,0xF71=>129,0xF72=>130,0xF7A=>130,0xF7B=>130,0xF7C=>130,0xF7D=>130,0xF80=>130,0xF74=>132,0x321=>202,0x322=>202,0x327=>202,0x328=>202,0x31B=>216,0xF39=>216,0x1D165=>216,0x1D166=>216,0x1D16E=>216,0x1D16F=>216,0x1D170=>216,0x1D171=>216,0x1D172=>216,0x302A=>218,0x316=>220,0x317=>220,0x318=>220,0x319=>220,0x31C=>220,0x31D=>220,0x31E=>220,0x31F=>220,0x320=>220,0x323=>220,0x324=>220,0x325=>220,0x326=>220,0x329=>220,0x32A=>220,0x32B=>220,0x32C=>220,0x32D=>220,0x32E=>220,0x32F=>220,0x330=>220,0x331=>220,0x332=>220,0x333=>220,0x339=>220,0x33A=>220,0x33B=>220,0x33C=>220,0x347=>220,0x348=>220,0x349=>220,0x34D=>220,0x34E=>220,0x353=>220,0x354=>220,0x355=>220,0x356=>220,0x591=>220,0x596=>220,0x59B=>220,0x5A3=>220,0x5A4=>220,0x5A5=>220,0x5A6=>220,0x5A7=>220,0x5AA=>220,0x655=>220,0x656=>220,0x6E3=>220,0x6EA=>220,0x6ED=>220,0x731=>220,0x734=>220,0x737=>220,0x738=>220,0x739=>220,0x73B=>220,0x73C=>220,0x73E=>220,0x742=>220,0x744=>220,0x746=>220,0x748=>220,0x952=>220,0xF18=>220,0xF19=>220,0xF35=>220,0xF37=>220,0xFC6=>220,0x193B=>220,0x20E8=>220,0x1D17B=>220,0x1D17C=>220,0x1D17D=>220,0x1D17E=>220,0x1D17F=>220,0x1D180=>220,0x1D181=>220,0x1D182=>220,0x1D18A=>220,0x1D18B=>220,0x59A=>222,0x5AD=>222,0x1929=>222,0x302D=>222,0x302E=>224,0x302F=>224,0x1D16D=>226,0x5AE=>228,0x18A9=>228,0x302B=>228,0x300=>230,0x301=>230,0x302=>230,0x303=>230,0x304=>230,0x305=>230,0x306=>230,0x307=>230,0x308=>230,0x309=>230,0x30A=>230,0x30B=>230,0x30C=>230,0x30D=>230,0x30E=>230,0x30F=>230,0x310=>230,0x311=>230,0x312=>230,0x313=>230,0x314=>230,0x33D=>230,0x33E=>230,0x33F=>230,0x340=>230,0x341=>230,0x342=>230,0x343=>230,0x344=>230,0x346=>230,0x34A=>230,0x34B=>230,0x34C=>230,0x350=>230,0x351=>230,0x352=>230,0x357=>230,0x363=>230,0x364=>230,0x365=>230,0x366=>230,0x367=>230,0x368=>230,0x369=>230,0x36A=>230,0x36B=>230,0x36C=>230,0x36D=>230,0x36E=>230,0x36F=>230,0x483=>230,0x484=>230,0x485=>230,0x486=>230,0x592=>230,0x593=>230,0x594=>230,0x595=>230,0x597=>230,0x598=>230,0x599=>230,0x59C=>230,0x59D=>230,0x59E=>230,0x59F=>230,0x5A0=>230,0x5A1=>230,0x5A8=>230,0x5A9=>230,0x5AB=>230,0x5AC=>230,0x5AF=>230,0x5C4=>230,0x610=>230,0x611=>230,0x612=>230,0x613=>230,0x614=>230,0x615=>230,0x653=>230,0x654=>230,0x657=>230,0x658=>230,0x6D6=>230,0x6D7=>230,0x6D8=>230,0x6D9=>230,0x6DA=>230,0x6DB=>230,0x6DC=>230,0x6DF=>230,0x6E0=>230,0x6E1=>230,0x6E2=>230,0x6E4=>230,0x6E7=>230,0x6E8=>230,0x6EB=>230,0x6EC=>230,0x730=>230,0x732=>230,0x733=>230,0x735=>230,0x736=>230,0x73A=>230,0x73D=>230,0x73F=>230,0x740=>230,0x741=>230,0x743=>230,0x745=>230,0x747=>230,0x749=>230,0x74A=>230,0x951=>230,0x953=>230,0x954=>230,0xF82=>230,0xF83=>230,0xF86=>230,0xF87=>230,0x170D=>230,0x193A=>230,0x20D0=>230,0x20D1=>230,0x20D4=>230,0x20D5=>230,0x20D6=>230,0x20D7=>230,0x20DB=>230,0x20DC=>230,0x20E1=>230,0x20E7=>230,0x20E9=>230,0xFE20=>230,0xFE21=>230,0xFE22=>230,0xFE23=>230,0x1D185=>230,0x1D186=>230,0x1D187=>230,0x1D189=>230,0x1D188=>230,0x1D1AA=>230,0x1D1AB=>230,0x1D1AC=>230,0x1D1AD=>230,0x315=>232,0x31A=>232,0x302C=>232,0x35F=>233,0x362=>233,0x35D=>234,0x35E=>234,0x360=>234,0x361=>234,0x345=>240))
(line 1020)

Holds all relevant mapping tables See RFC3454 for details

  • since: 0.5.2
  • private: array
  • access: protected
static mixed $_mb_string_overload = null (line 80)
  • access: protected
mixed $_allow_overlong = false (line 85)
  • access: protected
mixed $_api_encoding = 'utf8' (line 84)
  • access: protected
mixed $_base = 36 (line 62)
  • access: protected
mixed $_damp = 700 (line 66)
  • access: protected
mixed $_error = false (line 78)
  • access: protected
mixed $_idn_version = 2003 (line 87)
  • access: protected
mixed $_initial_bias = 72 (line 67)
  • access: protected
mixed $_initial_n = 0x80 (line 68)
  • access: protected
mixed $_invalid_ucs = 0x80000000 (line 60)
  • access: protected
mixed $_lbase = 0x1100 (line 70)
  • access: protected
mixed $_lcount = 19 (line 73)
  • access: protected
mixed $_max_ucs = 0x10FFFF (line 61)
  • access: protected
mixed $_ncount = 588 (line 76)
  • access: protected
mixed $_punycode_prefix = 'xn--' (line 59)
  • access: protected
mixed $_sbase = 0xAC00 (line 69)
  • access: protected
mixed $_scount = 11172 (line 77)
  • access: protected
mixed $_skew = 38 (line 65)
  • access: protected
mixed $_strict_mode = false (line 86)
  • access: protected
mixed $_tbase = 0x11A7 (line 72)
  • access: protected
mixed $_tcount = 28 (line 75)
  • access: protected
mixed $_tmax = 26 (line 64)
  • access: protected
mixed $_tmin = 1 (line 63)
  • access: protected
mixed $_vbase = 0x1161 (line 71)
  • access: protected
mixed $_vcount = 21 (line 74)
  • access: protected
Methods
static byteLength (line 970)

Gets the length of a string in bytes even if mbstring function overloading is turned on

  • return: the length of the string in bytes.
  • access: protected
static integer byteLength (string $string)
  • string $string: the string for which to get the length.
Constructor __construct (line 96)

the constructor

  • since: 0.5.2
  • access: public
boolean __construct ([array $options = false])
  • array $options
decode (line 179)

Decode a given ACE domain name

  • return: Decoded Domain name (UTF-8 or UCS-4)
  • access: public
string decode (string $input, [ $one_time_encoding = false])
  • string $input: Domain name (ACE string) [@param string Desired output encoding, see set_parameter]
  • $one_time_encoding
encode (line 280)

Encode a given UTF-8 domain name

  • return: Encoded Domain name (ACE string)
  • access: public
string encode (string $decoded, [ $one_time_encoding = false])
  • string $decoded: Domain name (UTF-8 or UCS-4) [@param string Desired input encoding, see set_parameter]
  • $one_time_encoding
encode_uri (line 365)

Removes a weakness of encode(), which cannot properly handle URIs but instead encodes their path or query components, too.

  • return: The URI encoded to Punycode, everything but the host component is left alone
  • since: 0.6.4
  • access: public
string encode_uri (string $uri)
  • string $uri: Expects the URI as a UTF-8 (or ASCII) string
getInstance (line 985)

Attempts to return a concrete IDNA instance.

  • access: public
idna_convert getInstance ([array $params = array()])
  • array $params: Set of paramaters
get_last_error (line 394)

Use this method to get the last error ocurred

  • return: The last error, that occured
  • access: public
string get_last_error (void 0)
  • void 0
set_parameter (line 126)

Sets a new option value. Available options and values:

[encoding - Use either UTF-8, UCS4 as array or UCS4 as string as input ('utf8' for UTF-8, 'ucs4_string' and 'ucs4_array' respectively for UCS4); The output is always UTF-8] [overlong - Unicode does not allow unnecessarily long encodings of chars, to allow this, set this parameter to true, else to false; default is false.] [strict - true: strict mode, good for registration purposes - Causes errors on failures; false: loose mode, ideal for "wildlife" applications by silently ignoring errors and returning the original input instead

  • return: true on success, false otherwise
  • access: public
boolean set_parameter (mixed $option, [string $value = false])
  • mixed $option: Parameter to set (string: single parameter; array of Parameter => Value pairs)
  • string $value: Value to use (if parameter 1 is a string)
singleton (line 1000)

Attempts to return a concrete IDNA instance for either php4 or php5, only creating a new instance if no IDNA instance with the same parameters currently exists.

  • access: public
object idna_convert singleton ([array $params = array()])
  • array $params: Set of paramaters
_adapt (line 555)

Adapt the bias according to the current code point and position

  • access: protected
int _adapt (int $delta, int $npoints, int $is_first)
  • int $delta
  • int $npoints
  • int $is_first
_apply_cannonical_ordering (line 749)

Applies the cannonical ordering of a decomposed UCS4 sequence

  • return: Ordered USC4 sequence
  • access: protected
array _apply_cannonical_ordering (array $input)
  • array $input: Decomposed UCS4 sequence
_combine (line 781)

Do composition of a sequence of starter and non-starter

  • return: Ordered USC4 sequence
  • access: protected
array _combine (array $input)
  • array $input: UCS4 Decomposed sequence
_decode (line 404)

The actual decoding algorithm

  • access: protected
mixed _decode (string $encoded)
  • string $encoded
_decode_digit (line 580)

Decode a certain digit

  • access: protected
int _decode_digit (int $cp)
  • int $cp
_encode (line 461)

The actual encoding algorithm

  • access: protected
mixed _encode (string $decoded)
  • string $decoded
_encode_digit (line 570)

Encoding a certain digit

  • access: protected
string _encode_digit (int $d)
  • int $d
_error (line 590)

Internal error handling method

  • access: protected
void _error ([string $error = ''])
  • string $error
_get_combining_class (line 739)

Returns the combining class of a certain wide char

  • return: Combining class if found, else 0
  • access: protected
integer _get_combining_class (integer $char)
  • integer $char: Wide char to check (32bit integer)
_hangul_compose (line 698)

Ccomposes a Hangul syllable

(see http://www.unicode.org/unicode/reports/tr15/#Hangul

  • return: UCS4 sequence with syllables composed
  • access: protected
array _hangul_compose (array $input)
  • array $input: Decomposed UCS4 sequence
_hangul_decompose (line 681)

Decomposes a Hangul syllable

(see http://www.unicode.org/unicode/reports/tr15/#Hangul

  • return: Either Hangul Syllable decomposed or original 32bit value as one value array
  • access: protected
array _hangul_decompose (integer $char)
  • integer $char: 32bit UCS4 code point
_nameprep (line 600)

Do Nameprep according to RFC3491 and RFC3454

  • return: Unicode Characters, Nameprep'd
  • access: protected
string _nameprep (array $input)
  • array $input: Unicode Characters
_ucs4_string_to_ucs4 (line 941)

Convert UCS-4 strin into UCS-4 garray

  • access: protected
array _ucs4_string_to_ucs4 (string $input)
  • string $input
_ucs4_to_ucs4_string (line 924)

Convert UCS-4 array into UCS-4 string

  • access: protected
string _ucs4_to_ucs4_string (array $input)
  • array $input
_ucs4_to_utf8 (line 896)

Convert UCS-4 string into UTF-8 string

See _utf8_to_ucs4() for details

  • access: protected
string _ucs4_to_utf8 (string $input)
  • string $input
_utf8_to_ucs4 (line 819)

This converts an UTF-8 encoded string to its UCS-4 representation By talking about UCS-4 "strings" we mean arrays of 32bit integers representing each of the "chars". This is due to PHP not being able to handle strings with bit depth different from 8. This apllies to the reverse method _ucs4_to_utf8(), too.

The following UTF-8 encodings are supported: bytes bits representation

  1. 7 0xxxxxxx
  2. 11 110xxxxx 10xxxxxx
  3. 16 1110xxxx 10xxxxxx 10xxxxxx
  4. 21 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
  5. 26 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
  6. 31 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
Each x represents a bit that can be used to store character data. The five and six byte sequences are part of Annex D of ISO/IEC 10646-1:2000

  • access: protected
string _utf8_to_ucs4 (string $input)
  • string $input

Documentation generated on Tue, 19 Nov 2013 15:05:04 +0100 by phpDocumentor 1.4.3