lmbUTF8BaseDriver.class.php

/i18n/src/charset/lmbUTF8BaseDriver.class.php

http://github.com/limb-php-framework/limb
PHP | 718 lines | 406 code | 62 blank | 250 comment | 85 complexity | ba023f6b25e38e27a737d1c4585b9f72 MD5 | raw file
Possible License(s): LGPL-2.1, AGPL-3.0, MPL-2.0-no-copyleft-exception, GPL-2.0

<?php
/*
 * Limb PHP Framework
 *
 * @link http://limb-project.com 
 * @copyright  Copyright &copy; 2004-2009 BIT(http://bit-creative.com)
 * @license    LGPL http://www.gnu.org/copyleft/lesser.html 
 */

// This class is based on Harry Fuecks' phputf8 library code(http://sourceforge.net/projects/phputf8)
// and original ideas taken from http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php

/**
 * class lmbUTF8BaseDriver.
 *
 * @package i18n
 * @version $Id: lmbUTF8BaseDriver.class.php 7486 2009-01-26 19:13:20Z pachanga $
 */
class lmbUTF8BaseDriver {
    /**
    * URL-Encode a filename to allow unicodecharacters
    *
    * Slashes are not encoded
    *
    * When the second parameter is true the string will
    * be encoded only if non ASCII characters are detected -
    * This makes it safe to run it multiple times on the
    * same string (default is true)
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @see urlencode
    */
    function UTF8EncodeFN($file, $safe = true) {
        if ($safe && preg_match('#^[a-zA-Z0-9/_\-.%]+$#', $file))
            return $file;

        $file = urlencode($file);
        $file = str_replace('%2F', '/', $file);
        return $file;
    }

    /**
    * URL-Decode a filename
    *
    * This is just a wrapper around urldecode
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @see urldecode
    */
    function UTF8DecodeFN($file) {
        $file = urldecode($file);
        return $file;
    }

    /**
    * Checks if a string contains 7bit ASCII only
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    */
    function isASCII($str) {
        for($i = 0; $i < strlen($str); $i++)
        if (ord($str{$i}) > 127) return false;

        return true;
    }

    /**
    * Strips all highbyte chars
    *
    * Returns a pure ASCII7 string
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    */
    function UTF8Strip($str) {
        $ascii = '';
        for($i = 0; $i < strlen($str); $i++) {
            if (ord($str{$i}) < 128)
                $ascii .= $str{$i};
        }
        return $ascii;
    }

    /**
    * Tries to detect if a string is in utf8 encoding
    *
    * @author <bmorel@ssi.fr>
    * @link http://www.php.net/manual/en/function.utf8-encode.php
    */
    function UTF8Check($str) {
        for($i = 0; $i < strlen($str); $i++) {
            if (ord($str[$i]) < 0x80) continue; # 0bbbbbbb
            elseif ((ord($str[$i]) &0xE0) == 0xC0) $n = 1; # 110bbbbb
            elseif ((ord($str[$i]) &0xF0) == 0xE0) $n = 2; # 1110bbbb
            elseif ((ord($str[$i]) &0xF8) == 0xF0) $n = 3; # 11110bbb
            elseif ((ord($str[$i]) &0xFC) == 0xF8) $n = 4; # 111110bb
            elseif ((ord($str[$i]) &0xFE) == 0xFC) $n = 5; # 1111110b
            else return false; # Does not match any model

            // n bytes matching 10bbbbbb follow ?
            for($j = 0; $j < $n; $j++) {
                if ((++$i == strlen($str)) || ((ord($str[$i]) &0xC0) != 0x80))
                    return false;
            }
        }
        return true;
    }

    /**
    * Replace accented UTF-8 characters by unaccented ASCII-7 equivalents
    *
    * Use the optional parameter to just deaccent lower ($case = -1) or upper ($case = 1)
    * letters. Default is to deaccent both cases ($case = 0)
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    */
    function UTF8Deaccent($string, $case = 0) {
        if ($case <= 0) {
            global $UTF8_LOWER_ACCENTS;
            $string = str_replace(array_keys($UTF8_LOWER_ACCENTS), array_values($UTF8_LOWER_ACCENTS), $string);
        }
        if ($case >= 0) {
            global $UTF8_UPPER_ACCENTS;
            $string = str_replace(array_keys($UTF8_UPPER_ACCENTS), array_values($UTF8_UPPER_ACCENTS), $string);
        }
        return $string;
    }

    /**
    * Removes special characters (nonalphanumeric) from a UTF-8 string
    *
    * Be sure to specify all specialchars you give in $repl in $keep, too
    * or it won't work.
    *
    * This function adds the controlchars 0x00 to 0x19 to the array of
    * stripped chars (they are not included in $UTF8_SPECIAL_CHARS)
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @param string $string The UTF8 string to strip of special chars
    * @param string $repl Replace special with this string
    * @param string $keep Special chars to keep (in UTF8)
    */
    function UTF8StripSpecials($string, $repl = '', $keep = '') {
        global $UTF8_SPECIAL_CHARS;
        if ($keep != '')
            $specials = array_diff($UTF8_SPECIAL_CHARS, $this->toUnicode($keep));
        else
            $specials = $UTF8_SPECIAL_CHARS;

        $specials = $this->toUTF8($specials);
        $specials = preg_quote($specials, '/');

        return preg_replace('/[\x00-\x19' . $specials . ']/u', $repl, $string);
    }

    /**
    * UTF8 aware replacement for strlen()
    *
    * utf8_decode() converts characters that are not in ISO-8859-1
    * to '?', which, for the purpose of counting, is alright - It's
    * even faster than mb_strlen.
    *
    * @author <chernyshevsky at hotmail dot com>
    * @see strlen
    * @see utf8_decode
    */
    function _strlen($string) {
        return strlen(utf8_decode($string));
    }

    /**
    * UTF8 aware replacement for substr()
    *
    * @todo Handle negative positions etc.
    * @author Harry Fuecks <hfuecks@gmail.com>
    * @see substr
    */
    function _substr($str, $start, $length=null) {
        $start = (int)$start;
        if (!is_null($length)) $length = (int)$length;

        $strlen = $this->_strlen($str);

        if (!is_null($length) && abs($length) > $strlen)
            $length = ($length > 0) ? $strlen : -1 * $strlen;

        if ($start < 0)
            $start = $strlen + $start;

        if ($length < 0)
            $length = $strlen + $length - $start;

        if (is_null($length) || $length >= $strlen)
            $length = '*';
        else
            $length = '{0,' . $length . '}';

        $pattern = '/^.{' . $start . '}(.' . $length . ')/us';
        preg_match($pattern, $str, $matches);

        if (isset($matches[1]))
            return $matches[1];

        return false;
    }

    /**
    * UTF8 aware replacement for strrepalce()
    *
    * @todo support PHP5 count (fourth arg)
    * @author Harry Fuecks <hfuecks@gmail.com>
    * @see str_replace();
    */
    function _str_replace($s, $r, $str) {
        if (!is_array($s)) {
            $s = '!' . preg_quote($s, '!') . '!u';
        } else {
            foreach ($s as $k => $v)
            $s[$k] = '!' . preg_quote($v) . '!u';
        }
        return preg_replace($s, $r, $str);
    }

    /**
    * UTF8 aware replacement for ltrim()
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @see ltrim
    * @return string
    */
    function _ltrim($str, $charlist = '') {
        if ($charlist == '')
            return ltrim($str);

        $chars = preg_split('//u', $charlist, -1, PREG_SPLIT_NO_EMPTY);
        $regex = '(' . implode('|', array_map('preg_quote', $chars)) . ')';

        return preg_replace('/^' . $regex . '+/u', '', $str);
    }

    /**
    * UTF8 aware replacement for ltrim()
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @see rtrim
    * @return string
    */
    function _rtrim($str, $charlist = '') {
        if ($charlist == '')
            return rtrim($str);

        $chars = preg_split('//u', $charlist, -1, PREG_SPLIT_NO_EMPTY);
        $regex = '(' . implode('|', array_map('preg_quote', $chars)) . ')';

        return preg_replace('/' . $regex . '+$/u', '', $str);
    }

    /**
    * UTF8 aware replacement for trim()
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @see trim
    * @return string
    */
    function _trim($str, $charlist = '') {
        if ($charlist == '')
            return trim($str);

        return $this->_ltrim($this->_rtrim($str, $charlist), $charlist);
    }

    /**
    * This is a unicode aware replacement for strtolower()
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @see strtolower
    */
    function _strtolower($string) {
        global $UTF8_UPPER_TO_LOWER;
        $uni = $this->toUnicode($string);
        for($i = 0; $i < count($uni); $i++) {
            if (isset($UTF8_UPPER_TO_LOWER[$uni[$i]]))
                $uni[$i] = $UTF8_UPPER_TO_LOWER[$uni[$i]];
        }
        return $this->toUTF8($uni);
    }

    /**
    * This is a unicode aware replacement for strtoupper()
    *
    * @author Andreas Gohr <andi@splitbrain.org>
    * @see strtoupper
    */
    function _strtoupper($string) {
        global $UTF8_LOWER_TO_UPPER;
        $uni = $this->toUnicode($string);
        for($i = 0; $i < count($uni); $i++) {
            if (isset($UTF8_LOWER_TO_UPPER[$uni[$i]]))
                $uni[$i] = $UTF8_LOWER_TO_UPPER[$uni[$i]];
        }
        return $this->toUTF8($uni);
    }

    /**
    * This is an UTF8 aware replacement for strpos
    *
    * @author Harry Fuecks <hfuecks@gmail.com>
    * @see strpos
    */
    function _strpos($haystack, $needle, $offset=false) {
        if ($offset === false) {
            $ar = explode($needle, $haystack);
            if (count($ar) > 1)
                return $this->_strlen($ar[0]);

            return false;
        } else {
            if (!is_int($offset)) {
                trigger_error('Offset must be an integer', E_USER_WARNING);
                return false;
            }

            $haystack = $this->_substr($haystack, $offset);

            if (false !== ($pos = $this->_strpos($haystack, $needle)))
                return $pos + $offset;

            return false;
        }
    }

    /**
    * This is an UTF-8 aware alternative to strrpos
    *
    * Find position of last occurrence of a char in a string
    * Note: This will get alot slower if offset is used
    * @author Harry Fuecks <hfuecks@gmail.com>
    */
    function _strrpos($str, $needle, $offset=false) {
        if ($offset === false) {
            $ar = explode($needle, $str);
            if ( count($ar) > 1 ) {
                // Pop off the end of the string where the last match was made
                array_pop($ar);
                $str = join($needle,$ar);
                return $this->_strlen($str);
            }
            return false;
        } else {
            if ( !is_int($offset) ) {
                trigger_error('_strrpos: Offset must be an integer', E_USER_ERROR);
                return false;
            }
            $str = $this->_substr($str, $offset);
            if ( false !== ( $pos = $this->_strrpos($str, $needle) ) ) {
                return $pos + $offset;
            }
            return false;
        }
    }

    /*
    * This is UTF-8 aware alternative to ucfirst
    *
    * Make a string's first character uppercase
    * @author Harry Fuecks <hfuecks@gmail.com>
    */
    function _ucfirst($str) {
        //the regex below doesn't work :(
        //preg_match('/^(\w{1})(.*)$/us', $str, $matches);
        preg_match('/^(.)(.*)$/us', $str, $matches);

        if ( isset($matches[1]) && isset($matches[2]) ) {
            return $this->_strtoupper($matches[1]) . $matches[2];
        } else {
            return $str;
        }
    }

    /*
    * UTF-8 aware alternative to strcasecmp
    * A case insensivite string comparison
    *
    * @author Harry Fuecks <hfuecks@gmail.com>
    */
    function _strcasecmp($strX, $strY) {
        return strcmp($this->_strtolower($strX),
                      $this->_strtolower($strY));
    }

    /**
    * UTF-8 aware alternative to substr_count
    *
    */
    function _substr_count($haystack, $needle) {
        if(preg_match_all('/(' . preg_quote($needle) . ')/u', $haystack, $matches)) {
            return sizeof($matches[1]);
        }
        return 0;
    }

    /**
    * UTF-8 aware alternative to str_split
    * Convert a string to an array
    *
    * @author Harry Fuecks <hfuecks@gmail.com>
    */
    function _str_split($str, $split_len=1) {
        $split_len = (int)$split_len;
        if ( !preg_match('/^[0-9]+$/',$split_len) || $split_len < 1 ) {
            return false;
        }

        $len = $this->_strlen($str);
        if ( $len <= $split_len ) {
            return array($str);
        }

        preg_match_all('/.{'.$split_len.'}|[^\x00]{1,'.$split_len.'}$/us', $str, $ar);
        return $ar[0];
    }

    /*
    * This is UTF-8 aware alternative to preg_match
    */
    function _preg_match($pattern, $subject, &$matches, $flags=null, $offset=null) {
        if(!is_null($flags) && !is_null($offset)) {
            return preg_match($pattern . 'u', $subject, $matches, $flags, $offset);
        } elseif (is_null($flags) && !is_null($offset)) {
            return preg_match($pattern .'u', $subject, $matches, $flags);
        } else {
            return preg_match($pattern . 'u', $subject, $matches);
        }
    }

    /*
    * This is UTF-8 aware alternative to preg_match_all
    */
    function _preg_match_all($pattern, $subject, &$matches, $flags=null, $offset=null) {
        if(!is_null($flags) && !is_null($offset)) {
            return preg_match_all($pattern . 'u', $subject, $matches, $flags, $offset);
        } elseif (is_null($flags) && !is_null($offset)) {
            return preg_match_all($pattern .'u', $subject, $matches, $flags);
        } else {
            return preg_match_all($pattern . 'u', $subject, $matches);
        }
    }

    /*
    * This is UTF-8 aware alternative to preg_replace
    */
    function _preg_replace($pattern, $replacement, $subject, $limit=null) {
        if(!is_null($limit)) {
            return preg_replace($pattern .'u', $replacement, $subject, $limit);
        } else {
            return preg_replace($pattern .'u', $replacement, $subject);
        }
    }

    /*
    * This is UTF-8 aware alternative to _preg_replace_callback
    */
    function _preg_replace_callback($pattern, $callback, $subject, $limit=null) {
        if(!is_null($limit)) {
            return preg_replace_callback($pattern .'u', $callback, $subject, $limit);
        } else {
            return preg_replace_callback($pattern .'u', $callback, $subject);
        }
    }

    /*
    * This is UTF-8 aware alternative to preg_split
    */
    function _preg_split($pattern, $subject, $limit=null, $flags=null) {
        if(!is_null($limit) && !is_null($flags)) {
            return preg_split($pattern . 'u', $subject, $limit, $flags);
        } elseif (is_null($flags) && !is_null($limit)) {
            return preg_split($pattern .'u', $subject, $limit);
        } else {
            return preg_split($pattern . 'u', $subject);
        }
    }

    /**
    * This function returns any UTF-8 encoded text as a list of
    * Unicode values:
    *
    * @author Scott Michael Reynen <scott@randomchaos.com>
    * @link http://www.randomchaos.com/document.php?source=php_and_unicode
    * @see toUTF8
    */
    function toUnicode($str) {
        $unicode = array();
        $values = array();
        $lookingFor = 1;

        for($i = 0; $i < strlen($str); $i++) {
            $thisValue = ord($str[ $i ]);
            if ($thisValue < 128) {
                $unicode[] = $thisValue;
            } else {
                if (count($values) == 0)
                    $lookingFor = ($thisValue < 224) ? 2 : 3;

                $values[] = $thisValue;

                if (count($values) == $lookingFor) {
                    $number = ($lookingFor == 3) ?
                    (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64):
                    (($values[0] % 32) * 64) + ($values[1] % 64);
                    $unicode[] = $number;
                    $values = array();
                    $lookingFor = 1;
                }
            }
        }
        return $unicode;
    }

    /**
    * This function converts a Unicode array back to its UTF-8 representation
    *
    * @author Scott Michael Reynen <scott@randomchaos.com>
    * @link http://www.randomchaos.com/document.php?source=php_and_unicode
    * @see toUnicode
    */
    function toUTF8($arr) {
      $utf8 = '';
      foreach( $arr as $unicode ) {
        if( $unicode < 128 )
          $utf8 .= chr($unicode);
        elseif($unicode < 2048)
          $utf8 .= chr(($unicode >> 6) + 192) . chr(($unicode & 63) + 128);
        else
          $utf8 .= chr(($unicode >> 12) + 224) . chr((($unicode >> 6) & 63) + 128) . chr(($unicode & 63) + 128);
      }
      return $utf8;
    }
}

/**
* UTF-8 Case lookup table
*
* This lookuptable defines the upper case letters to their correspponding
* lower case letter in UTF-8
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
$GLOBALS['UTF8_LOWER_TO_UPPER'] = array(0x0061 => 0x0041, 0x03C6 => 0x03A6, 0x0163 => 0x0162, 0x00E5 => 0x00C5, 0x0062 => 0x0042,
    0x013A => 0x0139, 0x00E1 => 0x00C1, 0x0142 => 0x0141, 0x03CD => 0x038E, 0x0101 => 0x0100,
    0x0491 => 0x0490, 0x03B4 => 0x0394, 0x015B => 0x015A, 0x0064 => 0x0044, 0x03B3 => 0x0393,
    0x00F4 => 0x00D4, 0x044A => 0x042A, 0x0439 => 0x0419, 0x0113 => 0x0112, 0x043C => 0x041C,
    0x015F => 0x015E, 0x0144 => 0x0143, 0x00EE => 0x00CE, 0x045E => 0x040E, 0x044F => 0x042F,
    0x03BA => 0x039A, 0x0155 => 0x0154, 0x0069 => 0x0049, 0x0073 => 0x0053, 0x1E1F => 0x1E1E,
    0x0135 => 0x0134, 0x0447 => 0x0427, 0x03C0 => 0x03A0, 0x0438 => 0x0418, 0x00F3 => 0x00D3,
    0x0440 => 0x0420, 0x0454 => 0x0404, 0x0435 => 0x0415, 0x0449 => 0x0429, 0x014B => 0x014A,
    0x0431 => 0x0411, 0x0459 => 0x0409, 0x1E03 => 0x1E02, 0x00F6 => 0x00D6, 0x00F9 => 0x00D9,
    0x006E => 0x004E, 0x0451 => 0x0401, 0x03C4 => 0x03A4, 0x0443 => 0x0423, 0x015D => 0x015C,
    0x0453 => 0x0403, 0x03C8 => 0x03A8, 0x0159 => 0x0158, 0x0067 => 0x0047, 0x00E4 => 0x00C4,
    0x03AC => 0x0386, 0x03AE => 0x0389, 0x0167 => 0x0166, 0x03BE => 0x039E, 0x0165 => 0x0164,
    0x0117 => 0x0116, 0x0109 => 0x0108, 0x0076 => 0x0056, 0x00FE => 0x00DE, 0x0157 => 0x0156,
    0x00FA => 0x00DA, 0x1E61 => 0x1E60, 0x1E83 => 0x1E82, 0x00E2 => 0x00C2, 0x0119 => 0x0118,
    0x0146 => 0x0145, 0x0070 => 0x0050, 0x0151 => 0x0150, 0x044E => 0x042E, 0x0129 => 0x0128,
    0x03C7 => 0x03A7, 0x013E => 0x013D, 0x0442 => 0x0422, 0x007A => 0x005A, 0x0448 => 0x0428,
    0x03C1 => 0x03A1, 0x1E81 => 0x1E80, 0x016D => 0x016C, 0x00F5 => 0x00D5, 0x0075 => 0x0055,
    0x0177 => 0x0176, 0x00FC => 0x00DC, 0x1E57 => 0x1E56, 0x03C3 => 0x03A3, 0x043A => 0x041A,
    0x006D => 0x004D, 0x016B => 0x016A, 0x0171 => 0x0170, 0x0444 => 0x0424, 0x00EC => 0x00CC,
    0x0169 => 0x0168, 0x03BF => 0x039F, 0x006B => 0x004B, 0x00F2 => 0x00D2, 0x00E0 => 0x00C0,
    0x0434 => 0x0414, 0x03C9 => 0x03A9, 0x1E6B => 0x1E6A, 0x00E3 => 0x00C3, 0x044D => 0x042D,
    0x0436 => 0x0416, 0x01A1 => 0x01A0, 0x010D => 0x010C, 0x011D => 0x011C, 0x00F0 => 0x00D0,
    0x013C => 0x013B, 0x045F => 0x040F, 0x045A => 0x040A, 0x00E8 => 0x00C8, 0x03C5 => 0x03A5,
    0x0066 => 0x0046, 0x00FD => 0x00DD, 0x0063 => 0x0043, 0x021B => 0x021A, 0x00EA => 0x00CA,
    0x03B9 => 0x0399, 0x017A => 0x0179, 0x00EF => 0x00CF, 0x01B0 => 0x01AF, 0x0065 => 0x0045,
    0x03BB => 0x039B, 0x03B8 => 0x0398, 0x03BC => 0x039C, 0x045C => 0x040C, 0x043F => 0x041F,
    0x044C => 0x042C, 0x00FE => 0x00DE, 0x00F0 => 0x00D0, 0x1EF3 => 0x1EF2, 0x0068 => 0x0048,
    0x00EB => 0x00CB, 0x0111 => 0x0110, 0x0433 => 0x0413, 0x012F => 0x012E, 0x00E6 => 0x00C6,
    0x0078 => 0x0058, 0x0161 => 0x0160, 0x016F => 0x016E, 0x03B1 => 0x0391, 0x0457 => 0x0407,
    0x0173 => 0x0172, 0x00FF => 0x0178, 0x006F => 0x004F, 0x043B => 0x041B, 0x03B5 => 0x0395,
    0x0445 => 0x0425, 0x0121 => 0x0120, 0x017E => 0x017D, 0x017C => 0x017B, 0x03B6 => 0x0396,
    0x03B2 => 0x0392, 0x03AD => 0x0388, 0x1E85 => 0x1E84, 0x0175 => 0x0174, 0x0071 => 0x0051,
    0x0437 => 0x0417, 0x1E0B => 0x1E0A, 0x0148 => 0x0147, 0x0105 => 0x0104, 0x0458 => 0x0408,
    0x014D => 0x014C, 0x00ED => 0x00CD, 0x0079 => 0x0059, 0x010B => 0x010A, 0x03CE => 0x038F,
    0x0072 => 0x0052, 0x0430 => 0x0410, 0x0455 => 0x0405, 0x0452 => 0x0402, 0x0127 => 0x0126,
    0x0137 => 0x0136, 0x012B => 0x012A, 0x03AF => 0x038A, 0x044B => 0x042B, 0x006C => 0x004C,
    0x03B7 => 0x0397, 0x0125 => 0x0124, 0x0219 => 0x0218, 0x00FB => 0x00DB, 0x011F => 0x011E,
    0x043E => 0x041E, 0x1E41 => 0x1E40, 0x03BD => 0x039D, 0x0107 => 0x0106, 0x03CB => 0x03AB,
    0x0446 => 0x0426, 0x00FE => 0x00DE, 0x00E7 => 0x00C7, 0x03CA => 0x03AA, 0x0441 => 0x0421,
    0x0432 => 0x0412, 0x010F => 0x010E, 0x00F8 => 0x00D8, 0x0077 => 0x0057, 0x011B => 0x011A,
    0x0074 => 0x0054, 0x006A => 0x004A, 0x045B => 0x040B, 0x0456 => 0x0406, 0x0103 => 0x0102,
    0x03BB => 0x039B, 0x00F1 => 0x00D1, 0x043D => 0x041D, 0x03CC => 0x038C, 0x00E9 => 0x00C9,
    0x00F0 => 0x00D0, 0x0457 => 0x0407, 0x0123 => 0x0122,
    );

/**
* UTF-8 Case lookup table
*
* This lookuptable defines the lower case letters to their correspponding
* upper case letter in UTF-8 (it does so by flipping $UTF8_LOWER_TO_UPPER)
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
$GLOBALS['UTF8_UPPER_TO_LOWER'] = @array_flip($GLOBALS['UTF8_LOWER_TO_UPPER']);

/**
* UTF-8 lookup table for lower case accented letters
*
* This lookuptable defines replacements for accented characters from the ASCII-7
* range. This are lower case letters only.
*
* @author Andreas Gohr <andi@splitbrain.org>
* @see UTF8Deaccent
*/
$GLOBALS['UTF8_LOWER_ACCENTS'] = array('Г ' => 'a', 'Гґ' => 'o', 'ДЏ' => 'd', 'бёџ' => 'f', 'Г«' => 'e', 'ЕЎ' => 's', 'ЖЎ' => 'o',
    'Гџ' => 'ss', 'Дѓ' => 'a', 'Е™' => 'r', '�?›' => 't', 'Е€' => 'n', 'ДЃ' => 'a', 'Д·' => 'k',
    'Еќ' => 's', 'б»і' => 'y', 'Е†' => 'n', 'Дє' => 'l', 'Д§' => 'h', 'б№—' => 'p', 'Гі' => 'o',
    'Гє' => 'u', 'Д›' => 'e', 'Г©' => 'e', 'Г§' => 'c', 'бєЃ' => 'w', 'Д‹' => 'c', 'Гµ' => 'o',
    'б№Ў' => 's', 'Гё' => 'o', 'ДЈ' => 'g', 'Е§' => 't', '�?™' => 's', 'Д—' => 'e', 'Д‰' => 'c',
    'Е›' => 's', 'Г®' => 'i', 'Е±' => 'u', 'Д‡' => 'c', 'Д™' => 'e', 'Еµ' => 'w', 'б№«' => 't',
    'Е«' => 'u', 'ДЌ' => 'c', 'Г¶' => 'oe', 'ГЁ' => 'e', 'Е·' => 'y', 'Д…' => 'a', 'Е‚' => 'l',
    'Еі' => 'u', 'ЕЇ' => 'u', 'Еџ' => 's', 'Дџ' => 'g', 'Д�?' => 'l', 'Ж’' => 'f', 'Еѕ' => 'z',
    'бєѓ' => 'w', 'бёѓ' => 'b', 'ГҐ' => 'a', 'Г¬' => 'i', 'ГЇ' => 'i', 'бё‹' => 'd', 'ЕҐ' => 't',
    'Е—' => 'r', 'Г¤' => 'ae', 'Г' => 'i', 'Е•' => 'r', 'ГЄ' => 'e', 'Г�?' => 'ue', 'ГІ' => 'o',
    'Д“' => 'e', 'Г±' => 'n', 'Е„' => 'n', 'ДҐ' => 'h', 'Дќ' => 'g', 'Д�?' => 'd', 'Дµ' => 'j',
    'Гї' => 'y', 'Е©' => 'u', 'Е' => 'u', 'Ж°' => 'u', 'ЕЈ' => 't', 'ГЅ' => 'y', 'Е�?' => 'o',
    'Гў' => 'a', 'Дѕ' => 'l', 'бє…' => 'w', 'Е�?' => 'z', 'Д«' => 'i', 'ГЈ' => 'a', 'ДЎ' => 'g',
    'б№Ѓ' => 'm', 'ЕЌ' => 'o', 'Д©' => 'i', 'Г№' => 'u', 'ДЇ' => 'i', 'Еє' => 'z', 'ГЎ' => 'a',
    'Г»' => 'u', 'Гѕ' => 'th', 'Г°' => 'dh', 'Г¦' => 'ae', 'Вµ' => 'u',
    );

/**
* UTF-8 lookup table for upper case accented letters
*
* This lookuptable defines replacements for accented characters from the ASCII-7
* range. This are upper case letters only.
*
* @author Andreas Gohr <andi@splitbrain.org>
* @see UTF8Deaccent
*/
$GLOBALS['UTF8_UPPER_ACCENTS'] = array('Г ' => 'A', 'Гґ' => 'O', 'ДЏ' => 'D', 'бёџ' => 'F', 'Г«' => 'E', 'ЕЎ' => 'S', 'ЖЎ' => 'O',
    'Гџ' => 'Ss', 'Дѓ' => 'A', 'Е™' => 'R', '�?›' => 'T', 'Е€' => 'N', 'ДЃ' => 'A', 'Д·' => 'K',
    'Еќ' => 'S', 'б»і' => 'Y', 'Е†' => 'N', 'Дє' => 'L', 'Д§' => 'H', 'б№—' => 'P', 'Гі' => 'O',
    'Гє' => 'U', 'Д›' => 'E', 'Г©' => 'E', 'Г§' => 'C', 'бєЃ' => 'W', 'Д‹' => 'C', 'Гµ' => 'O',
    'б№Ў' => 'S', 'Гё' => 'O', 'ДЈ' => 'G', 'Е§' => 'T', '�?™' => 'S', 'Д—' => 'E', 'Д‰' => 'C',
    'Е›' => 'S', 'Г®' => 'I', 'Е±' => 'U', 'Д‡' => 'C', 'Д™' => 'E', 'Еµ' => 'W', 'б№«' => 'T',
    'Е«' => 'U', 'ДЌ' => 'C', 'Г¶' => 'Oe', 'ГЁ' => 'E', 'Е·' => 'Y', 'Д…' => 'A', 'Е‚' => 'L',
    'Еі' => 'U', 'ЕЇ' => 'U', 'Еџ' => 'S', 'Дџ' => 'G', 'Д�?' => 'L', 'Ж’' => 'F', 'Еѕ' => 'Z',
    'бєѓ' => 'W', 'бёѓ' => 'B', 'ГҐ' => 'A', 'Г¬' => 'I', 'ГЇ' => 'I', 'бё‹' => 'D', 'ЕҐ' => 'T',
    'Е—' => 'R', 'Г¤' => 'Ae', 'Г' => 'I', 'Е•' => 'R', 'ГЄ' => 'E', 'Г�?' => 'Ue', 'ГІ' => 'O',
    'Д“' => 'E', 'Г±' => 'N', 'Е„' => 'N', 'ДҐ' => 'H', 'Дќ' => 'G', 'Д�?' => 'D', 'Дµ' => 'J',
    'Гї' => 'Y', 'Е©' => 'U', 'Е' => 'U', 'Ж°' => 'U', 'ЕЈ' => 'T', 'ГЅ' => 'Y', 'Е�?' => 'O',
    'Гў' => 'A', 'Дѕ' => 'L', 'бє…' => 'W', 'Е�?' => 'Z', 'Д«' => 'I', 'ГЈ' => 'A', 'ДЎ' => 'G',
    'б№Ѓ' => 'M', 'ЕЌ' => 'O', 'Д©' => 'I', 'Г№' => 'U', 'ДЇ' => 'I', 'Еє' => 'Z', 'ГЎ' => 'A',
    'Г»' => 'U', 'Гћ' => 'Th', 'Гђ' => 'Dh', 'Г†' => 'Ae',
    );

/**
* UTF-8 array of common special characters
*
* This array should contain all special characters (not a letter or digit)
* defined in the various local charsets - it's not a complete list of non-alphanum
* characters in UTF-8. It's not perfect but should match most cases of special
* chars.
*
* The controlchars 0x00 to 0x19 are _not_ included in this array. The space 0x20 is!
*
* @author Andreas Gohr <andi@splitbrain.org>
* @see UTF8StripSpecials
*/
$GLOBALS['UTF8_SPECIAL_CHARS'] = array(0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020, 0x0021, 0x0022, 0x0023,
    0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d,
    0x002e, 0x002f, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040, 0x005b,
    0x005c, 0x005d, 0x005e, 0x005f, 0x0060, 0x007b, 0x007c, 0x007d, 0x007e,
    0x007f, 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088,
    0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f, 0x0090, 0x0091, 0x0092,
    0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009a, 0x009b, 0x009c,
    0x009d, 0x009e, 0x009f, 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6,
    0x00a7, 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af, 0x00b0,
    0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7, 0x00b8, 0x00b9, 0x00ba,
    0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf, 0x00d7, 0x00f7, 0x02c7, 0x02d8, 0x02d9,
    0x02da, 0x02db, 0x02dc, 0x02dd, 0x0300, 0x0301, 0x0303, 0x0309, 0x0323, 0x0384,
    0x0385, 0x0387, 0x03b2, 0x03c6, 0x03d1, 0x03d2, 0x03d5, 0x03d6, 0x05b0, 0x05b1,
    0x05b2, 0x05b3, 0x05b4, 0x05b5, 0x05b6, 0x05b7, 0x05b8, 0x05b9, 0x05bb, 0x05bc,
    0x05bd, 0x05be, 0x05bf, 0x05c0, 0x05c1, 0x05c2, 0x05c3, 0x05f3, 0x05f4, 0x060c,
    0x061b, 0x061f, 0x0640, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f, 0x0650, 0x0651,
    0x0652, 0x066a, 0x0e3f, 0x200c, 0x200d, 0x200e, 0x200f, 0x2013, 0x2014, 0x2015,
    0x2017, 0x2018, 0x2019, 0x201a, 0x201c, 0x201d, 0x201e, 0x2020, 0x2021, 0x2022,
    0x2026, 0x2030, 0x2032, 0x2033, 0x2039, 0x203a, 0x2044, 0x20a7, 0x20aa, 0x20ab,
    0x20ac, 0x2116, 0x2118, 0x2122, 0x2126, 0x2135, 0x2190, 0x2191, 0x2192, 0x2193,
    0x2194, 0x2195, 0x21b5, 0x21d0, 0x21d1, 0x21d2, 0x21d3, 0x21d4, 0x2200, 0x2202,
    0x2203, 0x2205, 0x2206, 0x2207, 0x2208, 0x2209, 0x220b, 0x220f, 0x2211, 0x2212,
    0x2215, 0x2217, 0x2219, 0x221a, 0x221d, 0x221e, 0x2220, 0x2227, 0x2228, 0x2229,
    0x222a, 0x222b, 0x2234, 0x223c, 0x2245, 0x2248, 0x2260, 0x2261, 0x2264, 0x2265,
    0x2282, 0x2283, 0x2284, 0x2286, 0x2287, 0x2295, 0x2297, 0x22a5, 0x22c5, 0x2310,
    0x2320, 0x2321, 0x2329, 0x232a, 0x2469, 0x2500, 0x2502, 0x250c, 0x2510, 0x2514,
    0x2518, 0x251c, 0x2524, 0x252c, 0x2534, 0x253c, 0x2550, 0x2551, 0x2552, 0x2553,
    0x2554, 0x2555, 0x2556, 0x2557, 0x2558, 0x2559, 0x255a, 0x255b, 0x255c, 0x255d,
    0x255e, 0x255f, 0x2560, 0x2561, 0x2562, 0x2563, 0x2564, 0x2565, 0x2566, 0x2567,
    0x2568, 0x2569, 0x256a, 0x256b, 0x256c, 0x2580, 0x2584, 0x2588, 0x258c, 0x2590,
    0x2591, 0x2592, 0x2593, 0x25a0, 0x25b2, 0x25bc, 0x25c6, 0x25ca, 0x25cf, 0x25d7,
    0x2605, 0x260e, 0x261b, 0x261e, 0x2660, 0x2663, 0x2665, 0x2666, 0x2701, 0x2702,
    0x2703, 0x2704, 0x2706, 0x2707, 0x2708, 0x2709, 0x270c, 0x270d, 0x270e, 0x270f,
    0x2710, 0x2711, 0x2712, 0x2713, 0x2714, 0x2715, 0x2716, 0x2717, 0x2718, 0x2719,
    0x271a, 0x271b, 0x271c, 0x271d, 0x271e, 0x271f, 0x2720, 0x2721, 0x2722, 0x2723,
    0x2724, 0x2725, 0x2726, 0x2727, 0x2729, 0x272a, 0x272b, 0x272c, 0x272d, 0x272e,
    0x272f, 0x2730, 0x2731, 0x2732, 0x2733, 0x2734, 0x2735, 0x2736, 0x2737, 0x2738,
    0x2739, 0x273a, 0x273b, 0x273c, 0x273d, 0x273e, 0x273f, 0x2740, 0x2741, 0x2742,
    0x2743, 0x2744, 0x2745, 0x2746, 0x2747, 0x2748, 0x2749, 0x274a, 0x274b, 0x274d,
    0x274f, 0x2750, 0x2751, 0x2752, 0x2756, 0x2758, 0x2759, 0x275a, 0x275b, 0x275c,
    0x275d, 0x275e, 0x2761, 0x2762, 0x2763, 0x2764, 0x2765, 0x2766, 0x2767, 0x277f,
    0x2789, 0x2793, 0x2794, 0x2798, 0x2799, 0x279a, 0x279b, 0x279c, 0x279d, 0x279e,
    0x279f, 0x27a0, 0x27a1, 0x27a2, 0x27a3, 0x27a4, 0x27a5, 0x27a6, 0x27a7, 0x27a8,
    0x27a9, 0x27aa, 0x27ab, 0x27ac, 0x27ad, 0x27ae, 0x27af, 0x27b1, 0x27b2, 0x27b3,
    0x27b4, 0x27b5, 0x27b6, 0x27b7, 0x27b8, 0x27b9, 0x27ba, 0x27bb, 0x27bc, 0x27bd,
    0x27be, 0xf6d9, 0xf6da, 0xf6db, 0xf8d7, 0xf8d8, 0xf8d9, 0xf8da, 0xf8db, 0xf8dc,
    0xf8dd, 0xf8de, 0xf8df, 0xf8e0, 0xf8e1, 0xf8e2, 0xf8e3, 0xf8e4, 0xf8e5, 0xf8e6,
    0xf8e7, 0xf8e8, 0xf8e9, 0xf8ea, 0xf8eb, 0xf8ec, 0xf8ed, 0xf8ee, 0xf8ef, 0xf8f0,
    0xf8f1, 0xf8f2, 0xf8f3, 0xf8f4, 0xf8f5, 0xf8f6, 0xf8f7, 0xf8f8, 0xf8f9, 0xf8fa,
    0xf8fb, 0xf8fc, 0xf8fd, 0xf8fe, 0xfe7c, 0xfe7d,
    );