/**
* Encode a string into JSON. Converts and escapes necessary characters.
*
* @param string $string The string that needs to be utf8->hex encoded
* @return void
* @access protected
*/
function _utf8ToHex($string)
{
$length = strlen($string);
$return = '';
for ($i = 0; $i < $length; ++$i) {
$ord = ord($string[$i]);
switch (true) {
case $ord == 0x8:
$return .= '\\b';
break;
case $ord == 0x9:
$return .= '\\t';
break;
case $ord == 0xa:
$return .= '\\n';
break;
case $ord == 0xc:
$return .= '\\f';
break;
case $ord == 0xd:
$return .= '\\r';
break;
case $ord == 0x22:
case $ord == 0x2f:
case $ord == 0x5c:
$return .= '\\' . $string[$i];
break;
case $ord >= 0x20 && $ord <= 0x7f:
$return .= $string[$i];
break;
case ($ord & 0xe0) == 0xc0:
if ($i + 1 >= $length) {
$i += 1;
$return .= '?';
break;
}
$charbits = $string[$i] . $string[$i + 1];
$char = Multibyte::utf8($charbits);
$return .= sprintf('\\u%04s', dechex($char[0]));
$i += 1;
break;
case ($ord & 0xf0) == 0xe0:
if ($i + 2 >= $length) {
$i += 2;
$return .= '?';
break;
}
$charbits = $string[$i] . $string[$i + 1] . $string[$i + 2];
$char = Multibyte::utf8($charbits);
$return .= sprintf('\\u%04s', dechex($char[0]));
$i += 2;
break;
case ($ord & 0xf8) == 0xf0:
if ($i + 3 >= $length) {
$i += 3;
$return .= '?';
break;
}
$charbits = $string[$i] . $string[$i + 1] . $string[$i + 2] . $string[$i + 3];
$char = Multibyte::utf8($charbits);
$return .= sprintf('\\u%04s', dechex($char[0]));
$i += 3;
break;
case ($ord & 0xfc) == 0xf8:
if ($i + 4 >= $length) {
$i += 4;
$return .= '?';
break;
}
$charbits = $string[$i] . $string[$i + 1] . $string[$i + 2] . $string[$i + 3] . $string[$i + 4];
$char = Multibyte::utf8($charbits);
$return .= sprintf('\\u%04s', dechex($char[0]));
$i += 4;
break;
case ($ord & 0xfe) == 0xfc:
if ($i + 5 >= $length) {
$i += 5;
$return .= '?';
break;
}
$charbits = $string[$i] . $string[$i + 1] . $string[$i + 2] . $string[$i + 3] . $string[$i + 4] . $string[$i + 5];
$char = Multibyte::utf8($charbits);
$return .= sprintf('\\u%04s', dechex($char[0]));
$i += 5;
break;
}
}
return $return;
}
/**
* Get part of string
*
* @param string $string The string being checked.
* @param integer $start The first position used in $string.
* @param integer $length The maximum length of the returned string.
* @return string The portion of $string specified by the $string and $length parameters.
* @access public
* @static
*/
function substr($string, $start, $length = null)
{
if ($start === 0 && $length === null) {
return $string;
}
$string = Multibyte::utf8($string);
$stringCount = count($string);
for ($i = 1; $i <= $start; $i++) {
unset($string[$i - 1]);
}
if ($length === null || count($string) < $length) {
return Multibyte::ascii($string);
}
$string = array_values($string);
$value = array();
for ($i = 0; $i < $length; $i++) {
$value[] = $string[$i];
}
return Multibyte::ascii($value);
}
/**
* testUtf8 method
*
* @return void
*/
public function testUtf8()
{
$string = '!"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~';
$result = Multibyte::utf8($string);
$expected = array(33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126);
$this->assertEquals($expected, $result);
$string = '¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈ';
$result = Multibyte::utf8($string);
$expected = array(161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200);
$this->assertEquals($expected, $result);
$string = 'ÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂ㥹ĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬ';
$result = Multibyte::utf8($string);
$expected = array(201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300);
$this->assertEquals($expected, $result);
$string = 'ĭĮįİıIJijĴĵĶķĸĹĺĻļĽľĿŀŁłŃńŅņŇňʼnŊŋŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƀƁƂƃƄƅƆƇƈƉƊƋƌƍƎƏƐ';
$result = Multibyte::utf8($string);
$expected = array(301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400);
$this->assertEquals($expected, $result);
$string = 'ƑƒƓƔƕƖƗƘƙƚƛƜƝƞƟƠơƢƣƤƥƦƧƨƩƪƫƬƭƮƯưƱƲƳƴƵƶƷƸƹƺƻƼƽƾƿǀǁǂǃDŽDždžLJLjljNJNjnjǍǎǏǐǑǒǓǔǕǖǗǘǙǚǛǜǝǞǟǠǡǢǣǤǥǦǧǨǩǪǫǬǭǮǯǰDZDzdzǴ';
$result = Multibyte::utf8($string);
$expected = array(401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500);
$this->assertEquals($expected, $result);
$string = 'əɚɛɜɝɞɟɠɡɢɣɤɥɦɧɨɩɪɫɬɭɮɯɰɱɲɳɴɵɶɷɸɹɺɻɼɽɾɿʀʁʂʃʄʅʆʇʈʉʊʋʌʍʎʏʐʑʒʓʔʕʖʗʘʙʚʛʜʝʞʟʠʡʢʣʤʥʦʧʨʩʪʫʬʭʮʯʰʱʲʳʴʵʶʷʸʹʺʻʼ';
$result = Multibyte::utf8($string);
$expected = array(601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 700);
$this->assertEquals($expected, $result);
$string = 'ЀЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛ';
$result = Multibyte::utf8($string);
$expected = array(1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051);
$this->assertEquals($expected, $result);
$string = 'МНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыь';
$result = Multibyte::utf8($string);
$expected = array(1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087, 1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1100);
$this->assertEquals($expected, $result);
$string = 'չպջռսվտ';
$result = Multibyte::utf8($string);
$expected = array(1401, 1402, 1403, 1404, 1405, 1406, 1407);
$this->assertEquals($expected, $result);
$string = 'فقكلمنهوىيًٌٍَُ';
$result = Multibyte::utf8($string);
$expected = array(1601, 1602, 1603, 1604, 1605, 1606, 1607, 1608, 1609, 1610, 1611, 1612, 1613, 1614, 1615);
$this->assertEquals($expected, $result);
$string = '✰✱✲✳✴✵✶✷✸✹✺✻✼✽✾✿❀❁❂❃❄❅❆❇❈❉❊❋❌❍❎❏❐❑❒❓❔❕❖❗❘❙❚❛❜❝❞';
$result = Multibyte::utf8($string);
$expected = array(10032, 10033, 10034, 10035, 10036, 10037, 10038, 10039, 10040, 10041, 10042, 10043, 10044, 10045, 10046, 10047, 10048, 10049, 10050, 10051, 10052, 10053, 10054, 10055, 10056, 10057, 10058, 10059, 10060, 10061, 10062, 10063, 10064, 10065, 10066, 10067, 10068, 10069, 10070, 10071, 10072, 10073, 10074, 10075, 10076, 10077, 10078);
$this->assertEquals($expected, $result);
$string = '⺀⺁⺂⺃⺄⺅⺆⺇⺈⺉⺊⺋⺌⺍⺎⺏⺐⺑⺒⺓⺔⺕⺖⺗⺘⺙⺛⺜⺝⺞⺟⺠⺡⺢⺣⺤⺥⺦⺧⺨⺩⺪⺫⺬⺭⺮⺯⺰⺱⺲⺳⺴⺵⺶⺷⺸⺹⺺⺻⺼⺽⺾⺿⻀⻁⻂⻃⻄⻅⻆⻇⻈⻉⻊⻋⻌⻍⻎⻏⻐⻑⻒⻓⻔⻕⻖⻗⻘⻙⻚⻛⻜⻝⻞⻟⻠';
$result = Multibyte::utf8($string);
$expected = array(11904, 11905, 11906, 11907, 11908, 11909, 11910, 11911, 11912, 11913, 11914, 11915, 11916, 11917, 11918, 11919, 11920, 11921, 11922, 11923, 11924, 11925, 11926, 11927, 11928, 11929, 11931, 11932, 11933, 11934, 11935, 11936, 11937, 11938, 11939, 11940, 11941, 11942, 11943, 11944, 11945, 11946, 11947, 11948, 11949, 11950, 11951, 11952, 11953, 11954, 11955, 11956, 11957, 11958, 11959, 11960, 11961, 11962, 11963, 11964, 11965, 11966, 11967, 11968, 11969, 11970, 11971, 11972, 11973, 11974, 11975, 11976, 11977, 11978, 11979, 11980, 11981, 11982, 11983, 11984, 11985, 11986, 11987, 11988, 11989, 11990, 11991, 11992, 11993, 11994, 11995, 11996, 11997, 11998, 11999, 12000);
$this->assertEquals($expected, $result);
$string = '⽅⽆⽇⽈⽉⽊⽋⽌⽍⽎⽏⽐⽑⽒⽓⽔⽕⽖⽗⽘⽙⽚⽛⽜⽝⽞⽟⽠⽡⽢⽣⽤⽥⽦⽧⽨⽩⽪⽫⽬⽭⽮⽯⽰⽱⽲⽳⽴⽵⽶⽷⽸⽹⽺⽻⽼⽽⽾⽿';
$result = Multibyte::utf8($string);
$expected = array(12101, 12102, 12103, 12104, 12105, 12106, 12107, 12108, 12109, 12110, 12111, 12112, 12113, 12114, 12115, 12116, 12117, 12118, 12119, 12120, 12121, 12122, 12123, 12124, 12125, 12126, 12127, 12128, 12129, 12130, 12131, 12132, 12133, 12134, 12135, 12136, 12137, 12138, 12139, 12140, 12141, 12142, 12143, 12144, 12145, 12146, 12147, 12148, 12149, 12150, 12151, 12152, 12153, 12154, 12155, 12156, 12157, 12158, 12159);
$this->assertEquals($expected, $result);
$string = '눡눢눣눤눥눦눧눨눩눪눫눬눭눮눯눰눱눲눳눴눵눶눷눸눹눺눻눼눽눾눿뉀뉁뉂뉃뉄뉅뉆뉇뉈뉉뉊뉋뉌뉍뉎뉏뉐뉑뉒뉓뉔뉕뉖뉗뉘뉙뉚뉛뉜뉝뉞뉟뉠뉡뉢뉣뉤뉥뉦뉧뉨뉩뉪뉫뉬뉭뉮뉯뉰뉱뉲뉳뉴뉵뉶뉷뉸뉹뉺뉻뉼뉽뉾뉿늀늁늂늃늄';
$result = Multibyte::utf8($string);
$expected = array(45601, 45602, 45603, 45604, 45605, 45606, 45607, 45608, 45609, 45610, 45611, 45612, 45613, 45614, 45615, 45616, 45617, 45618, 45619, 45620, 45621, 45622, 45623, 45624, 45625, 45626, 45627, 45628, 45629, 45630, 45631, 45632, 45633, 45634, 45635, 45636, 45637, 45638, 45639, 45640, 45641, 45642, 45643, 45644, 45645, 45646, 45647, 45648, 45649, 45650, 45651, 45652, 45653, 45654, 45655, 45656, 45657, 45658, 45659, 45660, 45661, 45662, 45663, 45664, 45665, 45666, 45667, 45668, 45669, 45670, 45671, 45672, 45673, 45674, 45675, 45676, 45677, 45678, 45679, 45680, 45681, 45682, 45683, 45684, 45685, 45686, 45687, 45688, 45689, 45690, 45691, 45692, 45693, 45694, 45695, 45696, 45697, 45698, 45699, 45700);
$this->assertEquals($expected, $result);
$string = 'ﹰﹱﹲﹳﹴﹶﹷﹸﹹﹺﹻﹼﹽﹾﹿﺀﺁﺂﺃﺄﺅﺆﺇﺈﺉﺊﺋﺌﺍﺎﺏﺐﺑﺒﺓﺔﺕﺖﺗﺘﺙﺚﺛﺜﺝﺞﺟﺠﺡﺢﺣﺤﺥﺦﺧﺨﺩﺪﺫﺬﺭﺮﺯﺰ';
$result = Multibyte::utf8($string);
$expected = array(65136, 65137, 65138, 65139, 65140, 65141, 65142, 65143, 65144, 65145, 65146, 65147, 65148, 65149, 65150, 65151, 65152, 65153, 65154, 65155, 65156, 65157, 65158, 65159, 65160, 65161, 65162, 65163, 65164, 65165, 65166, 65167, 65168, 65169, 65170, 65171, 65172, 65173, 65174, 65175, 65176, 65177, 65178, 65179, 65180, 65181, 65182, 65183, 65184, 65185, 65186, 65187, 65188, 65189, 65190, 65191, 65192, 65193, 65194, 65195, 65196, 65197, 65198, 65199, 65200);
$this->assertEquals($expected, $result);
$string = 'ﺱﺲﺳﺴﺵﺶﺷﺸﺹﺺﺻﺼﺽﺾﺿﻀﻁﻂﻃﻄﻅﻆﻇﻈﻉﻊﻋﻌﻍﻎﻏﻐﻑﻒﻓﻔﻕﻖﻗﻘﻙﻚﻛﻜﻝﻞﻟﻠﻡﻢﻣﻤﻥﻦﻧﻨﻩﻪﻫﻬﻭﻮﻯﻰﻱﻲﻳﻴﻵﻶﻷﻸﻹﻺﻻﻼ';
$result = Multibyte::utf8($string);
$expected = array(65201, 65202, 65203, 65204, 65205, 65206, 65207, 65208, 65209, 65210, 65211, 65212, 65213, 65214, 65215, 65216, 65217, 65218, 65219, 65220, 65221, 65222, 65223, 65224, 65225, 65226, 65227, 65228, 65229, 65230, 65231, 65232, 65233, 65234, 65235, 65236, 65237, 65238, 65239, 65240, 65241, 65242, 65243, 65244, 65245, 65246, 65247, 65248, 65249, 65250, 65251, 65252, 65253, 65254, 65255, 65256, 65257, 65258, 65259, 65260, 65261, 65262, 65263, 65264, 65265, 65266, 65267, 65268, 65269, 65270, 65271, 65272, 65273, 65274, 65275, 65276);
$this->assertEquals($expected, $result);
$string = 'ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ';
$result = Multibyte::utf8($string);
$expected = array(65345, 65346, 65347, 65348, 65349, 65350, 65351, 65352, 65353, 65354, 65355, 65356, 65357, 65358, 65359, 65360, 65361, 65362, 65363, 65364, 65365, 65366, 65367, 65368, 65369, 65370);
$this->assertEquals($expected, $result);
$string = '｡｢｣､･ｦｧｨｩｪｫｬｭｮｯｰｱｲｳｴｵｶｷｸ';
$result = Multibyte::utf8($string);
$expected = array(65377, 65378, 65379, 65380, 65381, 65382, 65383, 65384, 65385, 65386, 65387, 65388, 65389, 65390, 65391, 65392, 65393, 65394, 65395, 65396, 65397, 65398, 65399, 65400);
$this->assertEquals($expected, $result);
$string = 'ｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜﾝﾞ';
$result = Multibyte::utf8($string);
$expected = array(65401, 65402, 65403, 65404, 65405, 65406, 65407, 65408, 65409, 65410, 65411, 65412, 65413, 65414, 65415, 65416, 65417, 65418, 65419, 65420, 65421, 65422, 65423, 65424, 65425, 65426, 65427, 65428, 65429, 65430, 65431, 65432, 65433, 65434, 65435, 65436, 65437, 65438);
$this->assertEquals($expected, $result);
$string = 'Ĥēĺļŏ, Ŵőřļď!';
$result = Multibyte::utf8($string);
$expected = array(292, 275, 314, 316, 335, 44, 32, 372, 337, 345, 316, 271, 33);
$this->assertEquals($expected, $result);
$string = 'Hello, World!';
$result = Multibyte::utf8($string);
$expected = array(72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33);
$this->assertEquals($expected, $result);
$string = '¨';
$result = Multibyte::utf8($string);
$expected = array(168);
$this->assertEquals($expected, $result);
$string = '¿';
$result = Multibyte::utf8($string);
$expected = array(191);
$this->assertEquals($expected, $result);
$string = 'čini';
$result = Multibyte::utf8($string);
$expected = array(269, 105, 110, 105);
$this->assertEquals($expected, $result);
$string = 'moći';
$result = Multibyte::utf8($string);
$expected = array(109, 111, 263, 105);
$this->assertEquals($expected, $result);
$string = 'državni';
$result = Multibyte::utf8($string);
$expected = array(100, 114, 382, 97, 118, 110, 105);
$this->assertEquals($expected, $result);
$string = '把百度设为首页';
$result = Multibyte::utf8($string);
$expected = array(25226, 30334, 24230, 35774, 20026, 39318, 39029);
$this->assertEquals($expected, $result);
$string = '一二三周永龍';
$result = Multibyte::utf8($string);
$expected = array(19968, 20108, 19977, 21608, 27704, 40845);
$this->assertEquals($expected, $result);
$string = 'ԀԂԄԆԈԊԌԎԐԒ';
$result = Multibyte::utf8($string);
$expected = array(1280, 1282, 1284, 1286, 1288, 1290, 1292, 1294, 1296, 1298);
$this->assertEquals($expected, $result);
$string = 'ԁԃԅԇԉԋԍԏԐԒ';
$result = Multibyte::utf8($string);
$expected = array(1281, 1283, 1285, 1287, 1289, 1291, 1293, 1295, 1296, 1298);
$this->assertEquals($expected, $result);
$string = 'ԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿՀՁՂՃՄՅՆՇՈՉՊՋՌՍՎՏՐՑՒՓՔՕՖև';
$result = Multibyte::utf8($string);
$expected = array(1329, 1330, 1331, 1332, 1333, 1334, 1335, 1336, 1337, 1338, 1339, 1340, 1341, 1342, 1343, 1344, 1345, 1346, 1347, 1348, 1349, 1350, 1351, 1352, 1353, 1354, 1355, 1356, 1357, 1358, 1359, 1360, 1361, 1362, 1363, 1364, 1365, 1366, 1415);
$this->assertEquals($expected, $result);
$string = 'աբգդեզէըթժիլխծկհձղճմյնշոչպջռսվտրցւփքօֆև';
$result = Multibyte::utf8($string);
$expected = array(1377, 1378, 1379, 1380, 1381, 1382, 1383, 1384, 1385, 1386, 1387, 1388, 1389, 1390, 1391, 1392, 1393, 1394, 1395, 1396, 1397, 1398, 1399, 1400, 1401, 1402, 1403, 1404, 1405, 1406, 1407, 1408, 1409, 1410, 1411, 1412, 1413, 1414, 1415);
$this->assertEquals($expected, $result);
$string = 'ႠႡႢႣႤႥႦႧႨႩႪႫႬႭႮႯႰႱႲႳႴႵႶႷႸႹႺႻႼႽႾႿჀჁჂჃჄჅ';
$result = Multibyte::utf8($string);
$expected = array(4256, 4257, 4258, 4259, 4260, 4261, 4262, 4263, 4264, 4265, 4266, 4267, 4268, 4269, 4270, 4271, 4272, 4273, 4274, 4275, 4276, 4277, 4278, 4279, 4280, 4281, 4282, 4283, 4284, 4285, 4286, 4287, 4288, 4289, 4290, 4291, 4292, 4293);
$this->assertEquals($expected, $result);
$string = 'ḀḂḄḆḈḊḌḎḐḒḔḖḘḚḜḞḠḢḤḦḨḪḬḮḰḲḴḶḸḺḼḾṀṂṄṆṈṊṌṎṐṒṔṖṘṚṜṞṠṢṤṦṨṪṬṮṰṲṴṶṸṺṼṾẀẂẄẆẈẊẌẎẐẒẔẖẗẘẙẚẠẢẤẦẨẪẬẮẰẲẴẶẸẺẼẾỀỂỄỆỈỊỌỎỐỒỔỖỘỚỜỞỠỢỤỦỨỪỬỮỰỲỴỶỸ';
$result = Multibyte::utf8($string);
$expected = array(7680, 7682, 7684, 7686, 7688, 7690, 7692, 7694, 7696, 7698, 7700, 7702, 7704, 7706, 7708, 7710, 7712, 7714, 7716, 7718, 7720, 7722, 7724, 7726, 7728, 7730, 7732, 7734, 7736, 7738, 7740, 7742, 7744, 7746, 7748, 7750, 7752, 7754, 7756, 7758, 7760, 7762, 7764, 7766, 7768, 7770, 7772, 7774, 7776, 7778, 7780, 7782, 7784, 7786, 7788, 7790, 7792, 7794, 7796, 7798, 7800, 7802, 7804, 7806, 7808, 7810, 7812, 7814, 7816, 7818, 7820, 7822, 7824, 7826, 7828, 7830, 7831, 7832, 7833, 7834, 7840, 7842, 7844, 7846, 7848, 7850, 7852, 7854, 7856, 7858, 7860, 7862, 7864, 7866, 7868, 7870, 7872, 7874, 7876, 7878, 7880, 7882, 7884, 7886, 7888, 7890, 7892, 7894, 7896, 7898, 7900, 7902, 7904, 7906, 7908, 7910, 7912, 7914, 7916, 7918, 7920, 7922, 7924, 7926, 7928);
$this->assertEquals($expected, $result);
$string = 'ḁḃḅḇḉḋḍḏḑḓḕḗḙḛḝḟḡḣḥḧḩḫḭḯḱḳḵḷḹḻḽḿṁṃṅṇṉṋṍṏṑṓṕṗṙṛṝṟṡṣṥṧṩṫṭṯṱṳṵṷṹṻṽṿẁẃẅẇẉẋẍẏẑẓẕẖẗẘẙẚạảấầẩẫậắằẳẵặẹẻẽếềểễệỉịọỏốồổỗộớờởỡợụủứừửữựỳỵỷỹ';
$result = Multibyte::utf8($string);
$expected = array(7681, 7683, 7685, 7687, 7689, 7691, 7693, 7695, 7697, 7699, 7701, 7703, 7705, 7707, 7709, 7711, 7713, 7715, 7717, 7719, 7721, 7723, 7725, 7727, 7729, 7731, 7733, 7735, 7737, 7739, 7741, 7743, 7745, 7747, 7749, 7751, 7753, 7755, 7757, 7759, 7761, 7763, 7765, 7767, 7769, 7771, 7773, 7775, 7777, 7779, 7781, 7783, 7785, 7787, 7789, 7791, 7793, 7795, 7797, 7799, 7801, 7803, 7805, 7807, 7809, 7811, 7813, 7815, 7817, 7819, 7821, 7823, 7825, 7827, 7829, 7830, 7831, 7832, 7833, 7834, 7841, 7843, 7845, 7847, 7849, 7851, 7853, 7855, 7857, 7859, 7861, 7863, 7865, 7867, 7869, 7871, 7873, 7875, 7877, 7879, 7881, 7883, 7885, 7887, 7889, 7891, 7893, 7895, 7897, 7899, 7901, 7903, 7905, 7907, 7909, 7911, 7913, 7915, 7917, 7919, 7921, 7923, 7925, 7927, 7929);
$this->assertEquals($expected, $result);
$string = 'ΩKÅℲ';
$result = Multibyte::utf8($string);
$expected = array(8486, 8490, 8491, 8498);
$this->assertEquals($expected, $result);
$string = 'ωkåⅎ';
$result = Multibyte::utf8($string);
$expected = array(969, 107, 229, 8526);
$this->assertEquals($expected, $result);
$string = 'ⅠⅡⅢⅣⅤⅥⅦⅧⅨⅩⅪⅫⅬⅭⅮⅯↃ';
$result = Multibyte::utf8($string);
$expected = array(8544, 8545, 8546, 8547, 8548, 8549, 8550, 8551, 8552, 8553, 8554, 8555, 8556, 8557, 8558, 8559, 8579);
$this->assertEquals($expected, $result);
$string = 'ⅰⅱⅲⅳⅴⅵⅶⅷⅸⅹⅺⅻⅼⅽⅾⅿↄ';
$result = Multibyte::utf8($string);
$expected = array(8560, 8561, 8562, 8563, 8564, 8565, 8566, 8567, 8568, 8569, 8570, 8571, 8572, 8573, 8574, 8575, 8580);
$this->assertEquals($expected, $result);
$string = 'ⒶⒷⒸⒹⒺⒻⒼⒽⒾⒿⓀⓁⓂⓃⓄⓅⓆⓇⓈⓉⓊⓋⓌⓍⓎⓏ';
$result = Multibyte::utf8($string);
$expected = array(9398, 9399, 9400, 9401, 9402, 9403, 9404, 9405, 9406, 9407, 9408, 9409, 9410, 9411, 9412, 9413, 9414, 9415, 9416, 9417, 9418, 9419, 9420, 9421, 9422, 9423);
$this->assertEquals($expected, $result);
$string = 'ⓐⓑⓒⓓⓔⓕⓖⓗⓘⓙⓚⓛⓜⓝⓞⓟⓠⓡⓢⓣⓤⓥⓦⓧⓨⓩ';
$result = Multibyte::utf8($string);
$expected = array(9424, 9425, 9426, 9427, 9428, 9429, 9430, 9431, 9432, 9433, 9434, 9435, 9436, 9437, 9438, 9439, 9440, 9441, 9442, 9443, 9444, 9445, 9446, 9447, 9448, 9449);
$this->assertEquals($expected, $result);
$string = 'ⰀⰁⰂⰃⰄⰅⰆⰇⰈⰉⰊⰋⰌⰍⰎⰏⰐⰑⰒⰓⰔⰕⰖⰗⰘⰙⰚⰛⰜⰝⰞⰟⰠⰡⰢⰣⰤⰥⰦⰧⰨⰩⰪⰫⰬⰭⰮ';
$result = Multibyte::utf8($string);
$expected = array(11264, 11265, 11266, 11267, 11268, 11269, 11270, 11271, 11272, 11273, 11274, 11275, 11276, 11277, 11278, 11279, 11280, 11281, 11282, 11283, 11284, 11285, 11286, 11287, 11288, 11289, 11290, 11291, 11292, 11293, 11294, 11295, 11296, 11297, 11298, 11299, 11300, 11301, 11302, 11303, 11304, 11305, 11306, 11307, 11308, 11309, 11310);
$this->assertEquals($expected, $result);
$string = 'ⰰⰱⰲⰳⰴⰵⰶⰷⰸⰹⰺⰻⰼⰽⰾⰿⱀⱁⱂⱃⱄⱅⱆⱇⱈⱉⱊⱋⱌⱍⱎⱏⱐⱑⱒⱓⱔⱕⱖⱗⱘⱙⱚⱛⱜⱝⱞ';
$result = Multibyte::utf8($string);
$expected = array(11312, 11313, 11314, 11315, 11316, 11317, 11318, 11319, 11320, 11321, 11322, 11323, 11324, 11325, 11326, 11327, 11328, 11329, 11330, 11331, 11332, 11333, 11334, 11335, 11336, 11337, 11338, 11339, 11340, 11341, 11342, 11343, 11344, 11345, 11346, 11347, 11348, 11349, 11350, 11351, 11352, 11353, 11354, 11355, 11356, 11357, 11358);
$this->assertEquals($expected, $result);
$string = 'ⲀⲂⲄⲆⲈⲊⲌⲎⲐⲒⲔⲖⲘⲚⲜⲞⲠⲢⲤⲦⲨⲪⲬⲮⲰⲲⲴⲶⲸⲺⲼⲾⳀⳂⳄⳆⳈⳊⳌⳎⳐⳒⳔⳖⳘⳚⳜⳞⳠⳢ';
$result = Multibyte::utf8($string);
$expected = array(11392, 11394, 11396, 11398, 11400, 11402, 11404, 11406, 11408, 11410, 11412, 11414, 11416, 11418, 11420, 11422, 11424, 11426, 11428, 11430, 11432, 11434, 11436, 11438, 11440, 11442, 11444, 11446, 11448, 11450, 11452, 11454, 11456, 11458, 11460, 11462, 11464, 11466, 11468, 11470, 11472, 11474, 11476, 11478, 11480, 11482, 11484, 11486, 11488, 11490);
$this->assertEquals($expected, $result);
$string = 'ⲁⲃⲅⲇⲉⲋⲍⲏⲑⲓⲕⲗⲙⲛⲝⲟⲡⲣⲥⲧⲩⲫⲭⲯⲱⲳⲵⲷⲹⲻⲽⲿⳁⳃⳅⳇⳉⳋⳍⳏⳑⳓⳕⳗⳙⳛⳝⳟⳡⳣ';
$result = Multibyte::utf8($string);
$expected = array(11393, 11395, 11397, 11399, 11401, 11403, 11405, 11407, 11409, 11411, 11413, 11415, 11417, 11419, 11421, 11423, 11425, 11427, 11429, 11431, 11433, 11435, 11437, 11439, 11441, 11443, 11445, 11447, 11449, 11451, 11453, 11455, 11457, 11459, 11461, 11463, 11465, 11467, 11469, 11471, 11473, 11475, 11477, 11479, 11481, 11483, 11485, 11487, 11489, 11491);
$this->assertEquals($expected, $result);
$string = 'fffiflffifflſtstﬓﬔﬕﬖﬗ';
$result = Multibyte::utf8($string);
$expected = array(64256, 64257, 64258, 64259, 64260, 64261, 64262, 64275, 64276, 64277, 64278, 64279);
$this->assertEquals($expected, $result);
}
/**
* Encode a string into JSON. Converts and escapes necessary characters.
*
* @param string $string The string that needs to be utf8->hex encoded
* @return void
* @access protected
*/
function _utf8ToHex($string) {
$length = strlen($string);
$return = '';
for ($i = 0; $i < $length; ++$i) {
$ord = ord($string{$i});
switch (true) {
case $ord == 0x08:
$return .= '\b';
break;
case $ord == 0x09:
$return .= '\t';
break;
case $ord == 0x0A:
$return .= '\n';
break;
case $ord == 0x0C:
$return .= '\f';
break;
case $ord == 0x0D:
$return .= '\r';
break;
case $ord == 0x22:
case $ord == 0x2F:
case $ord == 0x5C:
$return .= '\\' . $string{$i};
break;
case (($ord >= 0x20) && ($ord <= 0x7F)):
$return .= $string{$i};
break;
case (($ord & 0xE0) == 0xC0):
if ($i + 1 >= $length) {
$i += 1;
$return .= '?';
break;
}
$charbits = $string{$i} . $string{$i + 1};
$char = Multibyte::utf8($charbits);
$return .= sprintf('\u%04s', dechex($char[0]));
$i += 1;
break;
case (($ord & 0xF0) == 0xE0):
if ($i + 2 >= $length) {
$i += 2;
$return .= '?';
break;
}
$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2};
$char = Multibyte::utf8($charbits);
$return .= sprintf('\u%04s', dechex($char[0]));
$i += 2;
break;
case (($ord & 0xF8) == 0xF0):
if ($i + 3 >= $length) {
$i += 3;
$return .= '?';
break;
}
$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3};
$char = Multibyte::utf8($charbits);
$return .= sprintf('\u%04s', dechex($char[0]));
$i += 3;
break;
case (($ord & 0xFC) == 0xF8):
if ($i + 4 >= $length) {
$i += 4;
$return .= '?';
break;
}
$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4};
$char = Multibyte::utf8($charbits);
$return .= sprintf('\u%04s', dechex($char[0]));
$i += 4;
break;
case (($ord & 0xFE) == 0xFC):
if ($i + 5 >= $length) {
$i += 5;
$return .= '?';
break;
}
$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4} . $string{$i + 5};
$char = Multibyte::utf8($charbits);
$return .= sprintf('\u%04s', dechex($char[0]));
$i += 5;
break;
}
}
return $return;
}