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cakephp2-php8/cake/libs/string.php

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<?php
/* SVN FILE: $Id$ */
/**
* String handling methods.
*
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2007, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs
* @since CakePHP(tm) v 1.2.0.5551
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* String handling methods.
*
*
* @package cake
* @subpackage cake.cake.libs
*/
class String extends Object {
/**
* Holds the decimal value of a multi-byte character
*
* @var array
* @access private
*/
var $__utf8Map = array();
/**
* Holds the case folding values
*
* @var array
* @access private
*/
var $__caseFold = array();
/**
* Holds an array of Unicode code point ranges
*
* @var array
* @access private
*/
var $__codeRange = array();
/**
* Holds the current code point range
*
* @var string
* @access private
*/
var $__table = null;
/**
* Gets a reference to the String object instance
*
* @return object String instance
* @access public
* @static
*/
function &getInstance() {
static $instance = array();
if (!isset($instance[0]) || !$instance[0]) {
$instance[0] =& new String();
}
return $instance[0];
}
/**
* Generate a random UUID
*
* @see http://www.ietf.org/rfc/rfc4122.txt
* @return RFC 4122 UUID
* @static
*/
function uuid() {
$node = env('SERVER_ADDR');
if(empty($node)) {
$host = env('HOSTNAME');
if (empty($host)) {
$host = env('HOST');
}
if (empty($host)) {
$node = ip2long('127.0.0.1');
} else {
$ip = gethostbyname($host);
if ($ip === $host) {
$node = crc32($host);
} else {
$node = ip2long($ip);
}
}
} else {
$node = ip2long($node);
}
if (function_exists('zend_thread_id')) {
$pid = zend_thread_id();
} else {
$pid = getmypid();
}
list($timeMid, $timeLow) = explode(' ', microtime());
$uuid = sprintf("%08x-%04x-%04x-%02x%02x-%04x%08x", (int)$timeLow, (int)substr($timeMid, 2) & 0xffff,
mt_rand(0, 0xfff) | 0x4000, mt_rand(0, 0x3f) | 0x80, mt_rand(0, 0xff), $pid, $node);
return $uuid;
}
/**
* Converts a multi-byte character string
* to the decimal value of the character
*
* @param multi-byte string $string
* @return array
* @access public
* @static
*/
function utf8($string) {
$_this =& String::getInstance();
$_this->__reset();
$values = array();
$find = 1;
$length = strlen($string);
for ($i = 0; $i < $length; $i++ ) {
$value = ord(($string[$i]));
if ($value < 128) {
$_this->__utf8Map[] = $value;
} else {
if (count($values) == 0) {
$find = ife($value < 224, 2, 3);
}
$values[] = $value;
if (count($values) === $find) {
if ($find == 3) {
$_this->__utf8Map[] = (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64);
} else {
$_this->__utf8Map[] = (($values[0] % 32) * 64) + ($values[1] % 64);
}
$values = array();
$find = 1;
}
}
}
return $_this->__utf8Map;
}
/**
* Converts the decimal value of a multi-byte character string
* to a string
*
* @param array $array
* @return string
* @access public
* @static
*/
function ascii($array) {
$ascii = '';
foreach($array as $utf8) {
if ($utf8 < 128) {
$ascii .= chr($utf8);
} elseif ($utf8 < 2048) {
$ascii .= chr(192 + (($utf8 - ($utf8 % 64)) / 64));
$ascii .= chr(128 + ($utf8 % 64));
} else {
$ascii .= chr(224 + (($utf8 - ($utf8 % 4096)) / 4096));
$ascii .= chr(128 + ((($utf8 % 4096) - ($utf8 % 64)) / 64));
$ascii .= chr(128 + ($utf8 % 64));
}
}
return $ascii;
}
/**
* Find position of first occurrence of a string
*
* Returns the numeric position of the first occurrence of needle in the haystack string.
*
* @param multi-byte string $haystack
* @param multi-byte string $needle
* @param integer $offset
* @return integer or false
* @access public
* @static
*/
function strpos($haystack, $needle, $offset = 0) {
$_this =& String::getInstance();
$haystack = $_this->utf8($haystack);
$needle = $_this->utf8($needle);
$position = $offset;
$found = false;
$haystackCount = count($haystack);
$needleCount = count($needle);
while (($found === false) && ($position < $haystackCount)) {
if (isset($needle[0]) && $needle[0] === $haystack[$position]) {
for ($i = 1; $i < $needleCount; $i++) {
if ($needle[$i] !== $haystack[$position + $i]) {
break;
}
}
if ($i === $needleCount) {
$found = true;
$position--;
}
}
$position++;
}
$return = ife($found, $position, false);
return $return;
}
/**
* Find position of first occurrence of a case-insensitive string
*
* Returns the numeric position of the first occurrence of needle in the haystack
*
* @param multi-byte string $haystack
* @param multi-byte string $needle
* @param integer $offset
* @return integer or false
* @access public
* @static
*/
function stripos($haystack, $needle, $offset = 0) {
$_this =& String::getInstance();
$haystack = $_this->strtoupper($haystack);
$needle = $_this->strtoupper($needle);
return $_this->strpos($haystack, $needle, $offset);
}
/**
* Make a multi-byte string uppercase
*
* Returns string with all alphabetic characters converted to uppercase.
*
* @param multi-byte string $string
* @return string
* @access public
* @static
*/
function strtoupper($string) {
$_this =& String::getInstance();
$_this->utf8($string);
$length = count($_this->__utf8Map);
$upperCase = array();
$replaced = array();
$matched = false;
for ($i = 0 ; $i < $length; $i++) {
$char = $_this->__utf8Map[$i];
if ($char < 128) {
$str = strtoupper(chr($char));
$strlen = strlen($str);
for ($ii = 0 ; $ii < $strlen; $ii++) {
$upper = ord(substr($str, $ii, 1));
}
$upperCase[] = $upper;
$matched = true;
} else {
$matched = false;
$keys = $_this->__find($char);
$keyCount = count($keys);
if (!empty($keys)) {
foreach ($keys as $key => $value) {
$matched = false;
$replace = 0;
if ($length > 1 && count($keys[$key]['lower']) > 1) {
$j = 0;
for ($ii = 0 ; $ii < count($keys[$key]['lower']) ; $ii++) {
$nextChar = $_this->__utf8Map[$i + $ii];
if (isset($nextChar) && ($nextChar == $keys[$key]['lower'][$j + $ii])) {
$replace++;
}
}
if ($replace == count($keys[$key]['lower'])) {
$upperCase[] = $keys[$key]['upper'];
$replaced = array_merge($replaced, array_values($keys[$key]['lower']));
$matched = true;
break 1;
}
} elseif ($length > 1 && $keyCount > 1) {
$j = 0;
for ($ii = 1; $ii < $keyCount; $ii++) {
$nextChar = $_this->__utf8Map[$i + $ii - 1];
if (in_array($nextChar, $keys[$ii]['lower'])) {
for ($jj = 0 ; $jj < count($keys[$ii]['lower']) ; $jj++) {
$nextChar = $_this->__utf8Map[$i + $jj];
if (isset($nextChar) && ($nextChar == $keys[$ii]['lower'][$j + $jj])) {
$replace++;
}
}
if ($replace == count($keys[$ii]['lower'])) {
$upperCase[] = $keys[$ii]['upper'];
$replaced = array_merge($replaced, array_values($keys[$ii]['lower']));
$matched = true;
break 2;
}
}
}
}
if ($keys[$key]['lower'][0] == $char) {
$upperCase[] = $keys[$key]['upper'];
$matched = true;
break 1;
}
}
}
}
if ($matched === false && !in_array($char, $replaced, true)) {
$upperCase[] = $char;
}
}
if (empty($upperCase)) {
return $string;
}
return $_this->ascii($upperCase);
}
/**
* Return the Code points range for Unicode characters
*
* @param interger $decimal
* @return string
* @access private
*/
function __codepoint ($decimal) {
$_this =& String::getInstance();
if ($decimal < 128) {
$return = '0000_007f'; // Basic Latin
} elseif ($decimal < 256) {
$return = '0080_00ff'; // Latin-1 Supplement
} elseif ($decimal < 384) {
$return = '0100_017f'; // Latin Extended-A
} elseif ($decimal < 592) {
$return = '0180_024F'; // Latin Extended-B
} elseif ($decimal < 688) {
$return = '0250_02af'; // IPA Extensions
} elseif ($decimal < 768) {
$return = '02b0_02ff'; // Spacing Modifier Letters
} elseif ($decimal < 880) {
$return = '0300_036f'; // Combining Diacritical Marks
} elseif ($decimal < 1024) {
$return = '0370_03ff'; // Greek and Coptic
} elseif ($decimal < 1280) {
$return = '0400_04ff'; // Cyrillic
} elseif ($decimal < 1328) {
$return = '0500_052f'; // Cyrillic Supplement
} elseif ($decimal < 1424) {
$return = '0530_058f'; // Armenian
} elseif ($decimal < 1536) {
$return = '0590_05ff'; // Hebrew
} elseif ($decimal < 1792) {
$return = '0600_06ff'; // Arabic
} elseif ($decimal < 1872) {
$return = '0700_074f'; // Syriac
} elseif ($decimal < 1920) {
$return = '0750_077f'; // Arabic Supplement
} elseif ($decimal < 1984) {
$return = '0780_07bf'; // Thaana
} elseif ($decimal < 2304) {
$return = '07c0_07ff'; // NKo
} elseif ($decimal < 2432) {
$return = '0900_097f'; // Devanagari
} elseif ($decimal < 2560) {
$return = '0980_09ff'; // Bengali
} elseif ($decimal < 2688) {
$return = '0a00_0a7f'; // Gurmukhi
} elseif ($decimal < 2816) {
$return = '0a80_0aff'; // Gujarati
} elseif ($decimal < 2944) {
$return = '0b00_0b7f'; // Oriya
} elseif ($decimal < 3072) {
$return = '0b80_0bff'; // Tamil
} elseif ($decimal < 3200) {
$return = '0c00_0c7f'; // Telugu
} elseif ($decimal < 3328) {
$return = '0c80_0cff'; // Kannada
} elseif ($decimal < 3456) {
$return = '0d00_0d7f'; // Malayalam
} elseif ($decimal < 3584) {
$return = '0d80_0dff'; // Sinhala
} elseif ($decimal < 3712) {
$return = '0e00_0e7f'; // Thai
} elseif ($decimal < 3840) {
$return = '0e80_0eff'; // Lao
} elseif ($decimal < 4096) {
$return = '0f00_0fff'; // Tibetan
} elseif ($decimal < 4256) {
$return = '1000_109f'; // Myanmar
} elseif ($decimal < 4352) {
$return = '10a0_10ff'; // Georgian
} elseif ($decimal < 4608) {
$return = '1100_11ff'; // Hangul Jamo
} elseif ($decimal < 4992) {
$return = '1200_137f'; // Ethiopic
} elseif ($decimal < 5024) {
$return = '1380_139f'; // Ethiopic Supplement
} elseif ($decimal < 5120) {
$return = '13a0_13ff'; // Cherokee
} elseif ($decimal < 5760) {
$return = '1400_167f'; // Unified Canadian Aboriginal Syllabics
} elseif ($decimal < 5792) {
$return = '1680_169f'; // Ogham
} elseif ($decimal < 5888) {
$return = '16a0_16ff'; // Runic
} elseif ($decimal < 5920) {
$return = '1700_171f'; // Tagalog
} elseif ($decimal < 5952) {
$return = '1720_173f'; // Hanunoo
} elseif ($decimal < 5984) {
$return = '1740_175f'; // Buhid
} elseif ($decimal < 6016) {
$return = '1760_177f'; // Tagbanwa
} elseif ($decimal < 6144) {
$return = '1780_17ff'; // Khmer
} elseif ($decimal < 6400) {
$return = '1800_18af'; // Mongolian
} elseif ($decimal < 6480) {
$return = '1900_194f'; // Limbu
} elseif ($decimal < 6528) {
$return = '1950_197f'; // Tai Le
} elseif ($decimal < 6624) {
$return = '1980_19df'; // New Tai Lue
} elseif ($decimal < 6656) {
$return = '19e0_19ff'; // Khmer Symbols
} elseif ($decimal < 6912) {
$return = '1a00_1a1f'; // Buginese
} elseif ($decimal < 7424) {
$return = '1b00_1b7f'; // Balinese
} elseif ($decimal < 7552) {
$return = '1d00_1d7f'; // Phonetic Extensions
} elseif ($decimal < 7616) {
$return = '1d80_1dbf'; // Phonetic Extensions Supplement
} elseif ($decimal < 7680) {
$return = '1dc0_1dff'; // Combining Diacritical Marks Supplement
} elseif ($decimal < 7936) {
$return = '1e00_1eff'; // Latin Extended Additional
} elseif ($decimal < 8192) {
$return = '1f00_1fff'; // Greek Extended
} elseif ($decimal < 8304) {
$return = '2000_206f'; // General Punctuation
} elseif ($decimal < 8352) {
$return = '2070_209f'; // Superscripts and Subscripts
} elseif ($decimal < 8400) {
$return = '20a0_20cf'; // Currency Symbols
} elseif ($decimal < 8448) {
$return = '20d0_20ff'; // Combining Diacritical Marks for Symbols
} elseif ($decimal < 8528) {
$return = '2100_214f'; // Letterlike Symbols
} elseif ($decimal < 8592) {
$return = '2150_218f'; // Number Forms
} elseif ($decimal < 8704) {
$return = '2190_21ff'; // Arrows
} elseif ($decimal < 8960) {
$return = '2200_22ff'; // Mathematical Operators
} elseif ($decimal < 9216) {
$return = '2300_23ff'; // Miscellaneous Technical
} elseif ($decimal < 9280) {
$return = '2400_243f'; // Control Pictures
} elseif ($decimal < 9312) {
$return = '2440_245f'; // Optical Character Recognition
} elseif ($decimal < 9472) {
$return = '2460_24ff'; // Enclosed Alphanumerics
} elseif ($decimal < 9600) {
$return = '2500_257f'; // Box Drawing
} elseif ($decimal < 9632) {
$return = '2580_259f'; // Block Elements
} elseif ($decimal < 9728) {
$return = '25a0_25ff'; // Geometric Shapes
} elseif ($decimal < 9984) {
$return = '2600_26ff'; // Miscellaneous Symbols
} elseif ($decimal < 10176) {
$return = '2700_27bf'; // Dingbats
} elseif ($decimal < 10224) {
$return = '27c0_27ef'; // Miscellaneous Mathematical Symbols-A
} elseif ($decimal < 10240) {
$return = '27f0_27ff'; // Supplemental Arrows-A
} elseif ($decimal < 10496) {
$return = '2800_28ff'; // Braille Patterns
} elseif ($decimal < 10624) {
$return = '2900_297f'; // Supplemental Arrows-B
} elseif ($decimal < 10752) {
$return = '2980_29ff'; // Miscellaneous Mathematical Symbols-B
} elseif ($decimal < 11008) {
$return = '2a00_2aff'; // Supplemental Mathematical Operators
} elseif ($decimal < 11264) {
$return = '2b00_2bff'; // Miscellaneous Symbols and Arrows
} elseif ($decimal < 11360) {
$return = '2c00_2c5f'; // Glagolitic
} elseif ($decimal < 11392) {
$return = '2c60_2c7f'; // Latin Extended-C
} elseif ($decimal < 11520) {
$return = '2c80_2cff'; // Coptic
} elseif ($decimal < 11568) {
$return = '2d00_2d2f'; // Georgian Supplement
} elseif ($decimal < 11648) {
$return = '2d30_2d7f'; // Tifinagh
} elseif ($decimal < 11776) {
$return = '2d80_2ddf'; // Ethiopic Extended
} elseif ($decimal < 11904) {
$return = '2e00_2e7f'; // Supplemental Punctuation
} elseif ($decimal < 12032) {
$return = '2e80_2eff'; // CJK Radicals Supplement
} elseif ($decimal < 12272) {
$return = '2f00_2fdf'; // Kangxi Radicals
} elseif ($decimal < 12288) {
$return = '2ff0_2fff'; // Ideographic Description Characters
} elseif ($decimal < 12352) {
$return = '3000_303f'; // CJK Symbols and Punctuation
} elseif ($decimal < 12448) {
$return = '3040_309f'; // Hiragana
} elseif ($decimal < 12544) {
$return = '30a0_30ff'; // Katakana
} elseif ($decimal < 12592) {
$return = '3100_312f'; // Bopomofo
} elseif ($decimal < 12688) {
$return = '3130_318f'; // Hangul Compatibility Jamo
} elseif ($decimal < 12704) {
$return = '3190_319f'; // Kanbun
} elseif ($decimal < 12736) {
$return = '31a0_31bf'; // Bopomofo Extended
} elseif ($decimal < 12784) {
$return = '31c0_31ef'; // CJK Strokes
} elseif ($decimal < 12800) {
$return = '31f0_31ff'; // Katakana Phonetic Extensions
} elseif ($decimal < 13056) {
$return = '3200_32ff'; // Enclosed CJK Letters and Months
} elseif ($decimal < 13312) {
$return = '3300_33ff'; // CJK Compatibility
} elseif ($decimal < 19904) {
$return = '3400_4dbf'; // CJK Unified Ideographs Extension A
} elseif ($decimal < 19968) {
$return = '4dc0_4dff'; // Yijing Hexagram Symbols
} elseif ($decimal < 40960) {
$return = '4e00_9fff'; // CJK Unified Ideographs
} elseif ($decimal < 42128) {
$return = 'a000_a48f'; // Yi Syllables
} elseif ($decimal < 42752) {
$return = 'a490_a4cf'; // Yi Radicals
} elseif ($decimal < 42784) {
$return = 'a700_a71f'; // Modifier Tone Letters
} elseif ($decimal < 43008) {
$return = 'a720_a7ff'; // Latin Extended-D
} elseif ($decimal < 43072) {
$return = 'a800_a82f'; // Syloti Nagri
} elseif ($decimal < 44032) {
$return = 'a840_a87f'; // Phags-pa
} elseif ($decimal < 55296) {
$return = 'ac00_d7af'; // Hangul Syllables
} elseif ($decimal < 56192) {
$return = 'd800_db7f'; // High Surrogates
} elseif ($decimal < 56320) {
$return = 'db80_dbff'; // High Private Use Surrogates
} elseif ($decimal < 57344) {
$return = 'dc00_dfff'; // Low Surrogates
} elseif ($decimal < 63744) {
$return = 'e000_f8ff'; // Private Use Area
} elseif ($decimal < 64256) {
$return = 'f900_faff'; // CJK Compatibility Ideographs
} elseif ($decimal < 64336) {
$return = 'fb00_fb4f'; // Alphabetic Presentation Forms
} elseif ($decimal < 65024) {
$return = 'fb50_fdff'; // Arabic Presentation Forms-A
} elseif ($decimal < 65040) {
$return = 'fe00_fe0f'; // Variation Selectors
} elseif ($decimal < 65056) {
$return = 'fe10_fe1f'; // Vertical Forms
} elseif ($decimal < 65072) {
$return = 'fe20_fe2f'; // Combining Half Marks
} elseif ($decimal < 65104) {
$return = 'fe30_fe4f'; // CJK Compatibility Forms
} elseif ($decimal < 65136) {
$return = 'fe50_fe6f'; // Small Form Variants
} elseif ($decimal < 65280) {
$return = 'fe70_feff'; // Arabic Presentation Forms-B
} elseif ($decimal < 65520) {
$return = 'ff00_ffef'; // Halfwidth and Fullwidth Forms
} elseif ($decimal < 65536) {
$return = 'fff0_ffff'; // Specials
} elseif ($decimal < 65664) {
$return = '10000_1007f'; // Linear B Syllabary
} elseif ($decimal < 65792) {
$return = '10080_100ff'; // Linear B Ideograms
} elseif ($decimal < 65856) {
$return = '10100_1013f'; // Aegean Numbers
} elseif ($decimal < 66304) {
$return = '10140_1018f'; // Ancient Greek Numbers
} elseif ($decimal < 66352) {
$return = '10300_1032f'; // Old Italic
} elseif ($decimal < 66432) {
$return = '10330_1034f'; // Gothic
} elseif ($decimal < 66464) {
$return = '10380_1039f'; // Ugaritic
} elseif ($decimal < 66560) {
$return = '103a0_103df'; // Old Persian
} elseif ($decimal < 66640) {
$return = '10400_1044f'; // Deseret
} elseif ($decimal < 66688) {
$return = '10450_1047f'; // Shavian
} elseif ($decimal < 67584) {
$return = '10480_104af'; // Osmanya
} elseif ($decimal < 67840) {
$return = '10800_1083f'; // Cypriot Syllabary
} elseif ($decimal < 68096) {
$return = '10900_1091f'; // Phoenician
} elseif ($decimal < 73728) {
$return = '10a00_10a5f'; // Kharoshthi
} elseif ($decimal < 74752) {
$return = '12000_123ff'; // Cuneiform
} elseif ($decimal < 118784) {
$return = '12400_1247f'; // Cuneiform Numbers and Punctuation
} elseif ($decimal < 119040) {
$return = '1d000_1d0ff'; // Byzantine Musical Symbols
} elseif ($decimal < 119296) {
$return = '1d100_1d1ff'; // Musical Symbols
} elseif ($decimal < 119552) {
$return = '1d200_1d24f'; // Ancient Greek Musical Notation
} elseif ($decimal < 119648) {
$return = '1d300_1d35f'; // Tai Xuan Jing Symbols
} elseif ($decimal < 119808) {
$return = '1d360_1d37f'; // Counting Rod Numerals
} elseif ($decimal < 131072) {
$return = '1d400_1d7ff'; // Mathematical Alphanumeric Symbols
} elseif ($decimal < 194560) {
$return = '20000_2a6df'; // CJK Unified Ideographs Extension B
} elseif ($decimal < 917504) {
$return = '2f800_2fa1f'; // CJK Compatibility Ideographs Supplement
} elseif ($decimal < 917760) {
$return = 'e0000_e007f'; // Tags
} elseif ($decimal < 983040) {
$return = 'e0100_e01ef'; // Variation Selectors Supplement
} elseif ($decimal < 1048576) {
$return = 'f0000_fffff'; // Supplementary Private Use Area-A
} elseif ($decimal > 1048575) {
$return = '100000_10ffff'; // Supplementary Private Use Area-B
} else {
$return = false;
}
$_this->__codeRange[$decimal] = $return;
return $return;
}
/**
* Find the related code folding values for $char
*
* @param integer $char decimal value of character
* @param string $type
* @return array
* @access private
*/
function __find($char, $type = 'lower'){
$_this =& String::getInstance();
$value = false;
$found = array();
if(!isset($_this->__codeRange[$char])) {
$range = $_this->__codepoint($char);
if ($range === false) {
}
Configure::load('unicode' . DS . 'casefolding' . DS . $range);
$_this->__caseFold[$range] = Configure::read($range);
Configure::delete($range);
}
$_this->__table = $_this->__codeRange[$char];
$count = count($_this->__caseFold[$_this->__table]);
for($i = 0; $i < $count; $i++) {
if ($_this->__caseFold[$_this->__table][$i][$type][0] === $char) {
$found[] = $_this->__caseFold[$_this->__table][$i];
}
}
return $found;
}
/**
* resets the utf8 map array
*
* @access private
*/
function __reset() {
$_this =& String::getInstance();
$_this->__utf8Map = array();
}
}
?>
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