Deleted utf8 library
This commit is contained in:
Visman
parent
31fafc1ed4
commit
60c4f6e587
28 changed files with 0 additions and 2666 deletions
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@ -14,8 +14,6 @@ if (!defined('PUN'))
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if (!defined('FORUM_EOL'))
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define('FORUM_EOL', PHP_EOL);
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require PUN_ROOT.'include/utf8/utils/ascii.php';
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//
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// Validate an email address
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//
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@ -1 +0,0 @@
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<html><head><title>.</title></head><body>.</body></html>
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@ -1,144 +0,0 @@
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<?php
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/**
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* @version $Id: core.php,v 1.5 2006/02/28 22:12:25 harryf Exp $
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* @package utf8
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* @subpackage strings
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*/
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// Define UTF8_CORE as required
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if (!defined('UTF8_CORE'))
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define('UTF8_CORE', true);
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/**
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* Wrapper round mb_strlen
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* Assumes you have mb_internal_encoding to UTF-8 already
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* Note: this function does not count bad bytes in the string - these
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* are simply ignored
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* @param string UTF-8 string
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* @return int number of UTF-8 characters in string
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strlen($str)
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{
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return mb_strlen($str);
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}
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/**
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* Assumes mbstring internal encoding is set to UTF-8
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* Wrapper around mb_strpos
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* Find position of first occurrence of a string
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* @param string haystack
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* @param string needle (you should validate this with utf8_is_valid)
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* @param integer offset in characters (from left)
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* @return mixed integer position or FALSE on failure
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strpos($str, $search, $offset = false)
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{
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// Strip unvalid characters
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$str = utf8_bad_strip($str);
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if ($offset === false)
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return mb_strpos($str, $search);
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else
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return mb_strpos($str, $search, $offset);
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}
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/**
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* Assumes mbstring internal encoding is set to UTF-8
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* Wrapper around mb_strrpos
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* Find position of last occurrence of a char in a string
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* @param string haystack
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* @param string needle (you should validate this with utf8_is_valid)
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* @param integer (optional) offset (from left)
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* @return mixed integer position or FALSE on failure
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strrpos($str, $search, $offset = false)
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{
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// Strip unvalid characters
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$str = utf8_bad_strip($str);
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if (!$offset)
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{
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// Emulate behaviour of strrpos rather than raising warning
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if (empty($str))
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return false;
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return mb_strrpos($str, $search);
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}
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else
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{
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if (!is_int($offset))
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{
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trigger_error('utf8_strrpos expects parameter 3 to be long', E_USER_WARNING);
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return false;
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}
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$str = mb_substr($str, $offset);
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if (($pos = mb_strrpos($str, $search)) !== false)
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return $pos + $offset;
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return false;
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}
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}
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/**
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* Assumes mbstring internal encoding is set to UTF-8
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* Wrapper around mb_substr
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* Return part of a string given character offset (and optionally length)
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* @param string
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* @param integer number of UTF-8 characters offset (from left)
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* @param integer (optional) length in UTF-8 characters from offset
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* @return mixed string or FALSE if failure
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* @package utf8
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* @subpackage strings
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*/
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function utf8_substr($str, $offset, $length = false)
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{
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if ($length === false)
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return mb_substr($str, $offset);
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else
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return mb_substr($str, $offset, $length);
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}
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/**
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* Assumes mbstring internal encoding is set to UTF-8
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* Wrapper around mb_strtolower
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* Make a string lowercase
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* Note: The concept of a characters "case" only exists is some alphabets
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* such as Latin, Greek, Cyrillic, Armenian and archaic Georgian - it does
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* not exist in the Chinese alphabet, for example. See Unicode Standard
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* Annex #21: Case Mappings
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* @param string
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* @return mixed either string in lowercase or FALSE is UTF-8 invalid
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strtolower($str)
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{
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return mb_strtolower($str);
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}
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/**
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* Assumes mbstring internal encoding is set to UTF-8
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* Wrapper around mb_strtoupper
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* Make a string uppercase
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* Note: The concept of a characters "case" only exists is some alphabets
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* such as Latin, Greek, Cyrillic, Armenian and archaic Georgian - it does
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* not exist in the Chinese alphabet, for example. See Unicode Standard
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* Annex #21: Case Mappings
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* @param string
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* @return mixed either string in lowercase or FALSE is UTF-8 invalid
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strtoupper($str)
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{
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return mb_strtoupper($str);
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}
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@ -1 +0,0 @@
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<html><head><title>.</title></head><body>.</body></html>
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@ -1,422 +0,0 @@
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<?php
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/**
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* @version $Id: core.php,v 1.9 2007/08/12 01:11:33 harryf Exp $
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* @package utf8
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* @subpackage strings
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*/
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// Define UTF8_CORE as required
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if (!defined('UTF8_CORE'))
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define('UTF8_CORE', true);
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/**
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* Unicode aware replacement for strlen(). Returns the number
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* of characters in the string (not the number of bytes), replacing
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* multibyte characters with a single byte equivalent
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* utf8_decode() converts characters that are not in ISO-8859-1
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* to '?', which, for the purpose of counting, is alright - It's
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* much faster than iconv_strlen
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* Note: this function does not count bad UTF-8 bytes in the string
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* - these are simply ignored
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* @author <chernyshevsky at hotmail dot com>
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* @link http://www.php.net/manual/en/function.strlen.php
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* @link http://www.php.net/manual/en/function.utf8-decode.php
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* @param string UTF-8 string
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* @return int number of UTF-8 characters in string
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strlen($str)
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{
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return strlen(utf8_decode($str));
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}
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/**
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* UTF-8 aware alternative to strpos
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* Find position of first occurrence of a string
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* Note: This will get alot slower if offset is used
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* Note: requires utf8_strlen amd utf8_substr to be loaded
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* @param string haystack
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* @param string needle (you should validate this with utf8_is_valid)
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* @param integer offset in characters (from left)
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* @return mixed integer position or FALSE on failure
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* @see http://www.php.net/strpos
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* @see utf8_strlen
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* @see utf8_substr
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strpos($str, $needle, $offset = false)
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{
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if ($offset === false)
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{
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$ar = explode($needle, $str, 2);
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if (count($ar) > 1)
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return utf8_strlen($ar[0]);
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return false;
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}
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else
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{
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if (!is_int($offset))
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{
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trigger_error('utf8_strpos: Offset must be an integer', E_USER_ERROR);
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return false;
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}
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$str = utf8_substr($str, $offset);
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if (($pos = utf8_strpos($str, $needle)) !== false)
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return $pos + $offset;
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return false;
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}
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}
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/**
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* UTF-8 aware alternative to strrpos
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* Find position of last occurrence of a char in a string
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* Note: This will get alot slower if offset is used
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* Note: requires utf8_substr and utf8_strlen to be loaded
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* @param string haystack
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* @param string needle (you should validate this with utf8_is_valid)
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* @param integer (optional) offset (from left)
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* @return mixed integer position or FALSE on failure
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* @see http://www.php.net/strrpos
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* @see utf8_substr
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* @see utf8_strlen
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strrpos($str, $needle, $offset = false)
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{
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if ($offset === false)
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{
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$ar = explode($needle, $str);
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if (count($ar) > 1)
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{
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// Pop off the end of the string where the last match was made
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array_pop($ar);
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$str = join($needle, $ar);
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return utf8_strlen($str);
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}
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return false;
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}
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else
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{
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if (!is_int($offset))
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{
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trigger_error('utf8_strrpos expects parameter 3 to be long', E_USER_WARNING);
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return false;
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}
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$str = utf8_substr($str, $offset);
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if (($pos = utf8_strrpos($str, $needle)) !== false)
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return $pos + $offset;
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return false;
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}
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}
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/**
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* UTF-8 aware alternative to substr
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* Return part of a string given character offset (and optionally length)
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*
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* Note arguments: comparied to substr - if offset or length are
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* not integers, this version will not complain but rather massages them
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* into an integer.
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*
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* Note on returned values: substr documentation states false can be
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* returned in some cases (e.g. offset > string length)
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* mb_substr never returns false, it will return an empty string instead.
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* This adopts the mb_substr approach
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*
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* Note on implementation: PCRE only supports repetitions of less than
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* 65536, in order to accept up to MAXINT values for offset and length,
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* we'll repeat a group of 65535 characters when needed.
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*
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* Note on implementation: calculating the number of characters in the
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* string is a relatively expensive operation, so we only carry it out when
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* necessary. It isn't necessary for +ve offsets and no specified length
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*
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* @author Chris Smith<chris@jalakai.co.uk>
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* @param string
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* @param integer number of UTF-8 characters offset (from left)
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* @param integer (optional) length in UTF-8 characters from offset
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* @return mixed string or FALSE if failure
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* @package utf8
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* @subpackage strings
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*/
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function utf8_substr($str, $offset, $length = false)
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{
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// Generates E_NOTICE for PHP4 objects, but not PHP5 objects
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$str = (string) $str;
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$offset = (int) $offset;
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if ($length)
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$length = (int) $length;
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// Handle trivial cases
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if ($length === 0)
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return '';
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if ($offset < 0 && $length < 0 && $length < $offset)
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return '';
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// Normalise negative offsets (we could use a tail
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// anchored pattern, but they are horribly slow!)
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if ($offset < 0)
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{
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// See notes
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$strlen = utf8_strlen($str);
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$offset = $strlen + $offset;
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if ($offset < 0)
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$offset = 0;
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}
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$Op = '';
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$Lp = '';
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// Establish a pattern for offset, a
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// non-captured group equal in length to offset
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if ($offset > 0)
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{
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$Ox = (int) ($offset / 65535);
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$Oy = $offset % 65535;
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if ($Ox)
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$Op = '(?:.{65535}){'.$Ox.'}';
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$Op = '^(?:'.$Op.'.{'.$Oy.'})';
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}
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else
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$Op = '^';
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// Establish a pattern for length
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if (!$length)
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{
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// The rest of the string
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$Lp = '(.*)$';
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}
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else
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{
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// See notes
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if (!isset($strlen))
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$strlen = strlen(utf8_decode($str));
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// Another trivial case
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if ($offset > $strlen)
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return '';
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if ($length > 0)
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{
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// Reduce any length that would go passed the end of the string
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$length = min($strlen-$offset, $length);
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$Lx = (int)( $length / 65535 );
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$Ly = $length % 65535;
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// Negative length requires a captured group of length characters
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if ($Lx) $Lp = '(?:.{65535}){'.$Lx.'}';
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$Lp = '('.$Lp.'.{'.$Ly.'})';
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}
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else if ($length < 0)
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{
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if ($length < ($offset - $strlen))
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return '';
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$Lx = (int)((-$length)/65535);
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$Ly = (-$length)%65535;
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// Negative length requires ... capture everything except a group of
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// -length characters anchored at the tail-end of the string
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if ($Lx)
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$Lp = '(?:.{65535}){'.$Lx.'}';
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$Lp = '(.*)(?:'.$Lp.'.{'.$Ly.'})$';
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}
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}
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if (!preg_match('#'.$Op.$Lp.'#us', $str, $match))
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return '';
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return $match[1];
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}
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/**
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* UTF-8 aware alternative to strtolower
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* Make a string lowercase
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* Note: The concept of a characters "case" only exists is some alphabets
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* such as Latin, Greek, Cyrillic, Armenian and archaic Georgian - it does
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* not exist in the Chinese alphabet, for example. See Unicode Standard
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* Annex #21: Case Mappings
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* Note: requires utf8_to_unicode and utf8_from_unicode
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* @author Andreas Gohr <andi@splitbrain.org>
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* @param string
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* @return mixed either string in lowercase or FALSE is UTF-8 invalid
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* @see http://www.php.net/strtolower
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* @see utf8_to_unicode
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* @see utf8_from_unicode
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* @see http://www.unicode.org/reports/tr21/tr21-5.html
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* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
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* @package utf8
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* @subpackage strings
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*/
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function utf8_strtolower($string)
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{
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static $UTF8_UPPER_TO_LOWER = false;
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if (!$UTF8_UPPER_TO_LOWER)
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{
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$UTF8_UPPER_TO_LOWER = array(
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0x0041=>0x0061, 0x03A6=>0x03C6, 0x0162=>0x0163, 0x00C5=>0x00E5, 0x0042=>0x0062,
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0x0139=>0x013A, 0x00C1=>0x00E1, 0x0141=>0x0142, 0x038E=>0x03CD, 0x0100=>0x0101,
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0x0490=>0x0491, 0x0394=>0x03B4, 0x015A=>0x015B, 0x0044=>0x0064, 0x0393=>0x03B3,
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0x00D4=>0x00F4, 0x042A=>0x044A, 0x0419=>0x0439, 0x0112=>0x0113, 0x041C=>0x043C,
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0x015E=>0x015F, 0x0143=>0x0144, 0x00CE=>0x00EE, 0x040E=>0x045E, 0x042F=>0x044F,
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0x039A=>0x03BA, 0x0154=>0x0155, 0x0049=>0x0069, 0x0053=>0x0073, 0x1E1E=>0x1E1F,
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0x0134=>0x0135, 0x0427=>0x0447, 0x03A0=>0x03C0, 0x0418=>0x0438, 0x00D3=>0x00F3,
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0x0420=>0x0440, 0x0404=>0x0454, 0x0415=>0x0435, 0x0429=>0x0449, 0x014A=>0x014B,
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0x0411=>0x0431, 0x0409=>0x0459, 0x1E02=>0x1E03, 0x00D6=>0x00F6, 0x00D9=>0x00F9,
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0x004E=>0x006E, 0x0401=>0x0451, 0x03A4=>0x03C4, 0x0423=>0x0443, 0x015C=>0x015D,
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0x0403=>0x0453, 0x03A8=>0x03C8, 0x0158=>0x0159, 0x0047=>0x0067, 0x00C4=>0x00E4,
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0x0386=>0x03AC, 0x0389=>0x03AE, 0x0166=>0x0167, 0x039E=>0x03BE, 0x0164=>0x0165,
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0x0116=>0x0117, 0x0108=>0x0109, 0x0056=>0x0076, 0x00DE=>0x00FE, 0x0156=>0x0157,
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0x00DA=>0x00FA, 0x1E60=>0x1E61, 0x1E82=>0x1E83, 0x00C2=>0x00E2, 0x0118=>0x0119,
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0x0145=>0x0146, 0x0050=>0x0070, 0x0150=>0x0151, 0x042E=>0x044E, 0x0128=>0x0129,
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0x03A7=>0x03C7, 0x013D=>0x013E, 0x0422=>0x0442, 0x005A=>0x007A, 0x0428=>0x0448,
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0x03A1=>0x03C1, 0x1E80=>0x1E81, 0x016C=>0x016D, 0x00D5=>0x00F5, 0x0055=>0x0075,
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0x0176=>0x0177, 0x00DC=>0x00FC, 0x1E56=>0x1E57, 0x03A3=>0x03C3, 0x041A=>0x043A,
|
||||
0x004D=>0x006D, 0x016A=>0x016B, 0x0170=>0x0171, 0x0424=>0x0444, 0x00CC=>0x00EC,
|
||||
0x0168=>0x0169, 0x039F=>0x03BF, 0x004B=>0x006B, 0x00D2=>0x00F2, 0x00C0=>0x00E0,
|
||||
0x0414=>0x0434, 0x03A9=>0x03C9, 0x1E6A=>0x1E6B, 0x00C3=>0x00E3, 0x042D=>0x044D,
|
||||
0x0416=>0x0436, 0x01A0=>0x01A1, 0x010C=>0x010D, 0x011C=>0x011D, 0x00D0=>0x00F0,
|
||||
0x013B=>0x013C, 0x040F=>0x045F, 0x040A=>0x045A, 0x00C8=>0x00E8, 0x03A5=>0x03C5,
|
||||
0x0046=>0x0066, 0x00DD=>0x00FD, 0x0043=>0x0063, 0x021A=>0x021B, 0x00CA=>0x00EA,
|
||||
0x0399=>0x03B9, 0x0179=>0x017A, 0x00CF=>0x00EF, 0x01AF=>0x01B0, 0x0045=>0x0065,
|
||||
0x039B=>0x03BB, 0x0398=>0x03B8, 0x039C=>0x03BC, 0x040C=>0x045C, 0x041F=>0x043F,
|
||||
0x042C=>0x044C, 0x00DE=>0x00FE, 0x00D0=>0x00F0, 0x1EF2=>0x1EF3, 0x0048=>0x0068,
|
||||
0x00CB=>0x00EB, 0x0110=>0x0111, 0x0413=>0x0433, 0x012E=>0x012F, 0x00C6=>0x00E6,
|
||||
0x0058=>0x0078, 0x0160=>0x0161, 0x016E=>0x016F, 0x0391=>0x03B1, 0x0407=>0x0457,
|
||||
0x0172=>0x0173, 0x0178=>0x00FF, 0x004F=>0x006F, 0x041B=>0x043B, 0x0395=>0x03B5,
|
||||
0x0425=>0x0445, 0x0120=>0x0121, 0x017D=>0x017E, 0x017B=>0x017C, 0x0396=>0x03B6,
|
||||
0x0392=>0x03B2, 0x0388=>0x03AD, 0x1E84=>0x1E85, 0x0174=>0x0175, 0x0051=>0x0071,
|
||||
0x0417=>0x0437, 0x1E0A=>0x1E0B, 0x0147=>0x0148, 0x0104=>0x0105, 0x0408=>0x0458,
|
||||
0x014C=>0x014D, 0x00CD=>0x00ED, 0x0059=>0x0079, 0x010A=>0x010B, 0x038F=>0x03CE,
|
||||
0x0052=>0x0072, 0x0410=>0x0430, 0x0405=>0x0455, 0x0402=>0x0452, 0x0126=>0x0127,
|
||||
0x0136=>0x0137, 0x012A=>0x012B, 0x038A=>0x03AF, 0x042B=>0x044B, 0x004C=>0x006C,
|
||||
0x0397=>0x03B7, 0x0124=>0x0125, 0x0218=>0x0219, 0x00DB=>0x00FB, 0x011E=>0x011F,
|
||||
0x041E=>0x043E, 0x1E40=>0x1E41, 0x039D=>0x03BD, 0x0106=>0x0107, 0x03AB=>0x03CB,
|
||||
0x0426=>0x0446, 0x00DE=>0x00FE, 0x00C7=>0x00E7, 0x03AA=>0x03CA, 0x0421=>0x0441,
|
||||
0x0412=>0x0432, 0x010E=>0x010F, 0x00D8=>0x00F8, 0x0057=>0x0077, 0x011A=>0x011B,
|
||||
0x0054=>0x0074, 0x004A=>0x006A, 0x040B=>0x045B, 0x0406=>0x0456, 0x0102=>0x0103,
|
||||
0x039B=>0x03BB, 0x00D1=>0x00F1, 0x041D=>0x043D, 0x038C=>0x03CC, 0x00C9=>0x00E9,
|
||||
0x00D0=>0x00F0, 0x0407=>0x0457, 0x0122=>0x0123);
|
||||
}
|
||||
|
||||
$uni = utf8_to_unicode($string);
|
||||
|
||||
if (!$uni)
|
||||
return false;
|
||||
|
||||
$cnt = count($uni);
|
||||
|
||||
for ($i=0; $i < $cnt; $i++)
|
||||
if (isset($UTF8_UPPER_TO_LOWER[$uni[$i]]))
|
||||
$uni[$i] = $UTF8_UPPER_TO_LOWER[$uni[$i]];
|
||||
|
||||
return utf8_from_unicode($uni);
|
||||
}
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to strtoupper
|
||||
* Make a string uppercase
|
||||
* Note: The concept of a characters "case" only exists is some alphabets
|
||||
* such as Latin, Greek, Cyrillic, Armenian and archaic Georgian - it does
|
||||
* not exist in the Chinese alphabet, for example. See Unicode Standard
|
||||
* Annex #21: Case Mappings
|
||||
* Note: requires utf8_to_unicode and utf8_from_unicode
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
* @param string
|
||||
* @return mixed either string in lowercase or FALSE is UTF-8 invalid
|
||||
* @see http://www.php.net/strtoupper
|
||||
* @see utf8_to_unicode
|
||||
* @see utf8_from_unicode
|
||||
* @see http://www.unicode.org/reports/tr21/tr21-5.html
|
||||
* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_strtoupper($string)
|
||||
{
|
||||
static $UTF8_LOWER_TO_UPPER = false;
|
||||
|
||||
if (!$UTF8_LOWER_TO_UPPER)
|
||||
{
|
||||
$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);
|
||||
}
|
||||
|
||||
$uni = utf8_to_unicode($string);
|
||||
|
||||
if (!$uni)
|
||||
return false;
|
||||
|
||||
$cnt = count($uni);
|
||||
|
||||
for ($i=0; $i < $cnt; $i++)
|
||||
if(isset($UTF8_LOWER_TO_UPPER[$uni[$i]]))
|
||||
$uni[$i] = $UTF8_LOWER_TO_UPPER[$uni[$i]];
|
||||
|
||||
return utf8_from_unicode($uni);
|
||||
}
|
||||
|
|
@ -1 +0,0 @@
|
|||
<html><head><title>.</title></head><body>.</body></html>
|
||||
|
|
@ -1,78 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: ord.php,v 1.4 2006/09/11 15:22:54 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to ord
|
||||
* Returns the unicode ordinal for a character
|
||||
* @param string UTF-8 encoded character
|
||||
* @return int unicode ordinal for the character
|
||||
* @see http://www.php.net/ord
|
||||
* @see http://www.php.net/manual/en/function.ord.php#46267
|
||||
*/
|
||||
function utf8_ord($chr)
|
||||
{
|
||||
$ord0 = ord($chr);
|
||||
|
||||
if ($ord0 >= 0 && $ord0 <= 127)
|
||||
return $ord0;
|
||||
|
||||
if (!isset($chr{1}))
|
||||
{
|
||||
trigger_error('Short sequence - at least 2 bytes expected, only 1 seen');
|
||||
return false;
|
||||
}
|
||||
|
||||
$ord1 = ord($chr{1});
|
||||
if ($ord0 >= 192 && $ord0 <= 223)
|
||||
return ($ord0 - 192) * 64 + ($ord1 - 128);
|
||||
|
||||
if (!isset($chr{2}))
|
||||
{
|
||||
trigger_error('Short sequence - at least 3 bytes expected, only 2 seen');
|
||||
return false;
|
||||
}
|
||||
|
||||
$ord2 = ord($chr{2});
|
||||
if ($ord0 >= 224 && $ord0 <= 239)
|
||||
return ($ord0-224)*4096 + ($ord1-128)*64 + ($ord2-128);
|
||||
|
||||
if (!isset($chr{3}))
|
||||
{
|
||||
trigger_error('Short sequence - at least 4 bytes expected, only 3 seen');
|
||||
return false;
|
||||
}
|
||||
|
||||
$ord3 = ord($chr{3});
|
||||
if ($ord0>=240 && $ord0<=247)
|
||||
return ($ord0-240)*262144 + ($ord1-128)*4096 + ($ord2-128)*64 + ($ord3-128);
|
||||
|
||||
if (!isset($chr{4}))
|
||||
{
|
||||
trigger_error('Short sequence - at least 5 bytes expected, only 4 seen');
|
||||
return false;
|
||||
}
|
||||
|
||||
$ord4 = ord($chr{4});
|
||||
if ($ord0>=248 && $ord0<=251)
|
||||
return ($ord0-248)*16777216 + ($ord1-128)*262144 + ($ord2-128)*4096 + ($ord3-128)*64 + ($ord4-128);
|
||||
|
||||
if (!isset($chr{5}))
|
||||
{
|
||||
trigger_error('Short sequence - at least 6 bytes expected, only 5 seen');
|
||||
return false;
|
||||
}
|
||||
|
||||
if ($ord0>=252 && $ord0<=253)
|
||||
return ($ord0-252) * 1073741824 + ($ord1-128)*16777216 + ($ord2-128)*262144 + ($ord3-128)*4096 + ($ord4-128)*64 + (ord($c{5})-128);
|
||||
|
||||
if ($ord0 >= 254 && $ord0 <= 255)
|
||||
{
|
||||
trigger_error('Invalid UTF-8 with surrogate ordinal '.$ord0);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,72 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: str_ireplace.php,v 1.2 2007/08/12 01:20:46 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to str_ireplace
|
||||
* Case-insensitive version of str_replace
|
||||
* Note: requires utf8_strtolower
|
||||
* Note: it's not fast and gets slower if $search / $replace is array
|
||||
* Notes: it's based on the assumption that the lower and uppercase
|
||||
* versions of a UTF-8 character will have the same length in bytes
|
||||
* which is currently true given the hash table to strtolower
|
||||
* @param string
|
||||
* @return string
|
||||
* @see http://www.php.net/str_ireplace
|
||||
* @see utf8_strtolower
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_ireplace($search, $replace, $str, $count=null)
|
||||
{
|
||||
if (!is_array($search))
|
||||
{
|
||||
$slen = strlen($search);
|
||||
|
||||
if ($slen == 0)
|
||||
return $str;
|
||||
|
||||
$lendif = strlen($replace) - strlen($search);
|
||||
$search = utf8_strtolower($search);
|
||||
|
||||
$search = preg_quote($search);
|
||||
$lstr = utf8_strtolower($str);
|
||||
$i = 0;
|
||||
$matched = 0;
|
||||
|
||||
while (preg_match('/(.*)'.$search.'/Us', $lstr, $matches))
|
||||
{
|
||||
if ($i === $count)
|
||||
break;
|
||||
|
||||
$mlen = strlen($matches[0]);
|
||||
$lstr = substr($lstr, $mlen);
|
||||
$str = substr_replace($str, $replace, $matched+strlen($matches[1]), $slen);
|
||||
$matched += $mlen + $lendif;
|
||||
$i++;
|
||||
}
|
||||
|
||||
return $str;
|
||||
}
|
||||
else
|
||||
{
|
||||
foreach (array_keys($search) as $k)
|
||||
{
|
||||
if (is_array($replace))
|
||||
{
|
||||
if (array_key_exists($k, $replace))
|
||||
$str = utf8_ireplace($search[$k], $replace[$k], $str, $count);
|
||||
else
|
||||
$str = utf8_ireplace($search[$k], '', $str, $count);
|
||||
}
|
||||
else
|
||||
$str = utf8_ireplace($search[$k], $replace, $str, $count);
|
||||
}
|
||||
|
||||
return $str;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,59 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: str_pad.php,v 1.1 2006/09/03 09:25:13 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* Replacement for str_pad. $padStr may contain multi-byte characters.
|
||||
*
|
||||
* @author Oliver Saunders <oliver (a) osinternetservices.com>
|
||||
* @param string $input
|
||||
* @param int $length
|
||||
* @param string $padStr
|
||||
* @param int $type ( same constants as str_pad )
|
||||
* @return string
|
||||
* @see http://www.php.net/str_pad
|
||||
* @see utf8_substr
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_str_pad($input, $length, $padStr=' ', $type=STR_PAD_RIGHT)
|
||||
{
|
||||
$inputLen = utf8_strlen($input);
|
||||
if ($length <= $inputLen)
|
||||
return $input;
|
||||
|
||||
$padStrLen = utf8_strlen($padStr);
|
||||
$padLen = $length - $inputLen;
|
||||
|
||||
if ($type == STR_PAD_RIGHT)
|
||||
{
|
||||
$repeatTimes = ceil($padLen / $padStrLen);
|
||||
return utf8_substr($input.str_repeat($padStr, $repeatTimes), 0, $length);
|
||||
}
|
||||
|
||||
if ($type == STR_PAD_LEFT)
|
||||
{
|
||||
$repeatTimes = ceil($padLen / $padStrLen);
|
||||
return utf8_substr(str_repeat($padStr, $repeatTimes), 0, floor($padLen)).$input;
|
||||
}
|
||||
|
||||
if ($type == STR_PAD_BOTH)
|
||||
{
|
||||
$padLen /= 2;
|
||||
$padAmountLeft = floor($padLen);
|
||||
$padAmountRight = ceil($padLen);
|
||||
$repeatTimesLeft = ceil($padAmountLeft / $padStrLen);
|
||||
$repeatTimesRight = ceil($padAmountRight / $padStrLen);
|
||||
|
||||
$paddingLeft = utf8_substr(str_repeat($padStr, $repeatTimesLeft), 0, $padAmountLeft);
|
||||
$paddingRight = utf8_substr(str_repeat($padStr, $repeatTimesRight), 0, $padAmountLeft);
|
||||
|
||||
return $paddingLeft.$input.$paddingRight;
|
||||
}
|
||||
|
||||
trigger_error('utf8_str_pad: Unknown padding type ('.$type.')', E_USER_ERROR);
|
||||
}
|
||||
|
|
@ -1,33 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: str_split.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to str_split
|
||||
* Convert a string to an array
|
||||
* Note: requires utf8_strlen to be loaded
|
||||
* @param string UTF-8 encoded
|
||||
* @param int number to characters to split string by
|
||||
* @return string characters in string reverses
|
||||
* @see http://www.php.net/str_split
|
||||
* @see utf8_strlen
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_str_split($str, $split_len=1)
|
||||
{
|
||||
if (!preg_match('/^[0-9]+$/',$split_len) || $split_len < 1)
|
||||
return false;
|
||||
|
||||
$len = utf8_strlen($str);
|
||||
if ($len <= $split_len)
|
||||
return array($str);
|
||||
|
||||
preg_match_all('/.{'.$split_len.'}|[^\x00]{1,'.$split_len.'}$/us', $str, $ar);
|
||||
|
||||
return $ar[0];
|
||||
}
|
||||
|
|
@ -1,27 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: strcasecmp.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to strcasecmp
|
||||
* A case insensivite string comparison
|
||||
* Note: requires utf8_strtolower
|
||||
* @param string
|
||||
* @param string
|
||||
* @return int
|
||||
* @see http://www.php.net/strcasecmp
|
||||
* @see utf8_strtolower
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_strcasecmp($strX, $strY)
|
||||
{
|
||||
$strX = utf8_strtolower($strX);
|
||||
$strY = utf8_strtolower($strY);
|
||||
|
||||
return strcmp($strX, $strY);
|
||||
}
|
||||
|
|
@ -1,36 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: strcspn.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to strcspn
|
||||
* Find length of initial segment not matching mask
|
||||
* Note: requires utf8_strlen and utf8_substr (if start, length are used)
|
||||
* @param string
|
||||
* @return int
|
||||
* @see http://www.php.net/strcspn
|
||||
* @see utf8_strlen
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_strcspn($str, $mask, $start=null, $length=null)
|
||||
{
|
||||
if (empty($mask) || strlen($mask) == 0)
|
||||
return null;
|
||||
|
||||
$mask = preg_replace('!([\\\\\\-\\]\\[/^])!','\\\${1}', $mask);
|
||||
|
||||
if (!is_null($start) || !is_null($length))
|
||||
$str = utf8_substr($str, $start, $length);
|
||||
|
||||
preg_match('/^[^'.$mask.']+/u', $str, $matches);
|
||||
|
||||
if (isset($matches[0]))
|
||||
return utf8_strlen($matches[0]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,34 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: stristr.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to stristr
|
||||
* Find first occurrence of a string using case insensitive comparison
|
||||
* Note: requires utf8_strtolower
|
||||
* @param string
|
||||
* @param string
|
||||
* @return int
|
||||
* @see http://www.php.net/strcasecmp
|
||||
* @see utf8_strtolower
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_stristr($str, $search)
|
||||
{
|
||||
if (strlen($search) == 0)
|
||||
return $str;
|
||||
|
||||
$lstr = utf8_strtolower($str);
|
||||
$lsearch = utf8_strtolower($search);
|
||||
preg_match('/^(.*)'.preg_quote($lsearch).'/Us', $lstr, $matches);
|
||||
|
||||
if (count($matches) == 2)
|
||||
return substr($str, strlen($matches[1]));
|
||||
|
||||
return false;
|
||||
}
|
||||
|
|
@ -1,22 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: strrev.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to strrev
|
||||
* Reverse a string
|
||||
* @param string UTF-8 encoded
|
||||
* @return string characters in string reverses
|
||||
* @see http://www.php.net/strrev
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_strrev($str)
|
||||
{
|
||||
preg_match_all('/./us', $str, $ar);
|
||||
return implode(array_reverse($ar[0]));
|
||||
}
|
||||
|
|
@ -1,32 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: strspn.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to strspn
|
||||
* Find length of initial segment matching mask
|
||||
* Note: requires utf8_strlen and utf8_substr (if start, length are used)
|
||||
* @param string
|
||||
* @return int
|
||||
* @see http://www.php.net/strspn
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_strspn($str, $mask, $start=null, $length=null)
|
||||
{
|
||||
$mask = preg_replace('!([\\\\\\-\\]\\[/^])!', '\\\${1}', $mask);
|
||||
|
||||
if (!is_null($start)|| !is_null($length))
|
||||
$str = utf8_substr($str, $start, $length);
|
||||
|
||||
preg_match('/^['.$mask.']+/u', $str, $matches);
|
||||
|
||||
if (isset($matches[0]))
|
||||
return utf8_strlen($matches[0]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,27 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: substr_replace.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware substr_replace.
|
||||
* Note: requires utf8_substr to be loaded
|
||||
* @see http://www.php.net/substr_replace
|
||||
* @see utf8_strlen
|
||||
* @see utf8_substr
|
||||
*/
|
||||
function utf8_substr_replace($str, $repl, $start , $length=null)
|
||||
{
|
||||
preg_match_all('/./us', $str, $ar);
|
||||
preg_match_all('/./us', $repl, $rar);
|
||||
|
||||
if(is_null($length))
|
||||
$length = utf8_strlen($str);
|
||||
|
||||
array_splice($ar[0], $start, $length, $rar[0]);
|
||||
|
||||
return implode($ar[0]);
|
||||
}
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: trim.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware replacement for ltrim()
|
||||
* Note: you only need to use this if you are supplying the charlist
|
||||
* optional arg and it contains UTF-8 characters. Otherwise ltrim will
|
||||
* work normally on a UTF-8 string
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
* @see http://www.php.net/ltrim
|
||||
* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
|
||||
* @return string
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_ltrim( $str, $charlist=false)
|
||||
{
|
||||
if($charlist === false)
|
||||
return ltrim($str);
|
||||
|
||||
// Quote charlist for use in a characterclass
|
||||
$charlist = preg_replace('!([\\\\\\-\\]\\[/^])!', '\\\${1}', $charlist);
|
||||
|
||||
return preg_replace('/^['.$charlist.']+/u', '', $str);
|
||||
}
|
||||
|
||||
/**
|
||||
* UTF-8 aware replacement for rtrim()
|
||||
* Note: you only need to use this if you are supplying the charlist
|
||||
* optional arg and it contains UTF-8 characters. Otherwise rtrim will
|
||||
* work normally on a UTF-8 string
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
* @see http://www.php.net/rtrim
|
||||
* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
|
||||
* @return string
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_rtrim($str, $charlist=false)
|
||||
{
|
||||
if($charlist === false)
|
||||
return rtrim($str);
|
||||
|
||||
// Quote charlist for use in a characterclass
|
||||
$charlist = preg_replace('!([\\\\\\-\\]\\[/^])!', '\\\${1}', $charlist);
|
||||
|
||||
return preg_replace('/['.$charlist.']+$/u', '', $str);
|
||||
}
|
||||
|
||||
//---------------------------------------------------------------
|
||||
/**
|
||||
* UTF-8 aware replacement for trim()
|
||||
* Note: you only need to use this if you are supplying the charlist
|
||||
* optional arg and it contains UTF-8 characters. Otherwise trim will
|
||||
* work normally on a UTF-8 string
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
* @see http://www.php.net/trim
|
||||
* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
|
||||
* @return string
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_trim( $str, $charlist=false)
|
||||
{
|
||||
if($charlist === false)
|
||||
return trim($str);
|
||||
|
||||
return utf8_ltrim(utf8_rtrim($str, $charlist), $charlist);
|
||||
}
|
||||
|
|
@ -1,35 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: ucfirst.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to ucfirst
|
||||
* Make a string's first character uppercase
|
||||
* Note: requires utf8_strtoupper
|
||||
* @param string
|
||||
* @return string with first character as upper case (if applicable)
|
||||
* @see http://www.php.net/ucfirst
|
||||
* @see utf8_strtoupper
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_ucfirst($str)
|
||||
{
|
||||
switch (utf8_strlen($str))
|
||||
{
|
||||
case 0:
|
||||
return '';
|
||||
break;
|
||||
case 1:
|
||||
return utf8_strtoupper($str);
|
||||
break;
|
||||
default:
|
||||
preg_match('/^(.{1})(.*)$/us', $str, $matches);
|
||||
return utf8_strtoupper($matches[1]).$matches[2];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,46 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: ucwords.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
|
||||
/**
|
||||
* UTF-8 aware alternative to ucwords
|
||||
* Uppercase the first character of each word in a string
|
||||
* Note: requires utf8_substr_replace and utf8_strtoupper
|
||||
* @param string
|
||||
* @return string with first char of each word uppercase
|
||||
* @see http://www.php.net/ucwords
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_ucwords($str)
|
||||
{
|
||||
// Note: [\x0c\x09\x0b\x0a\x0d\x20] matches;
|
||||
// Form feeds, horizontal tabs, vertical tabs, linefeeds and carriage returns
|
||||
// This corresponds to the definition of a "word" defined at http://www.php.net/ucwords
|
||||
$pattern = '/(^|([\x0c\x09\x0b\x0a\x0d\x20]+))([^\x0c\x09\x0b\x0a\x0d\x20]{1})[^\x0c\x09\x0b\x0a\x0d\x20]*/u';
|
||||
|
||||
return preg_replace_callback($pattern, 'utf8_ucwords_callback', $str);
|
||||
}
|
||||
|
||||
/**
|
||||
* Callback function for preg_replace_callback call in utf8_ucwords
|
||||
* You don't need to call this yourself
|
||||
* @param array of matches corresponding to a single word
|
||||
* @return string with first char of the word in uppercase
|
||||
* @see utf8_ucwords
|
||||
* @see utf8_strtoupper
|
||||
* @package utf8
|
||||
* @subpackage strings
|
||||
*/
|
||||
function utf8_ucwords_callback($matches)
|
||||
{
|
||||
$leadingws = $matches[2];
|
||||
$ucfirst = utf8_strtoupper($matches[3]);
|
||||
$ucword = utf8_substr_replace(ltrim($matches[0]), $ucfirst, 0, 1);
|
||||
|
||||
return $leadingws.$ucword;
|
||||
}
|
||||
|
|
@ -1,72 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* This is the dynamic loader for the library. It checks whether you have
|
||||
* the mbstring extension available and includes relevant files
|
||||
* on that basis, falling back to the native (as in written in PHP) version
|
||||
* if mbstring is unavailabe.
|
||||
*
|
||||
* It's probably easiest to use this, if you don't want to understand
|
||||
* the dependencies involved, in conjunction with PHP versions etc. At
|
||||
* the same time, you might get better performance by managing loading
|
||||
* yourself. The smartest way to do this, bearing in mind performance,
|
||||
* is probably to "load on demand" - i.e. just before you use these
|
||||
* functions in your code, load the version you need.
|
||||
*
|
||||
* It makes sure the the following functions are available;
|
||||
* utf8_strlen, utf8_strpos, utf8_strrpos, utf8_substr,
|
||||
* utf8_strtolower, utf8_strtoupper
|
||||
* Other functions in the ./native directory depend on these
|
||||
* six functions being available
|
||||
* @package utf8
|
||||
*/
|
||||
|
||||
// Check whether PCRE has been compiled with UTF-8 support
|
||||
$UTF8_ar = array();
|
||||
if (preg_match('/^.{1}$/u', "ñ", $UTF8_ar) != 1)
|
||||
trigger_error('PCRE is not compiled with UTF-8 support', E_USER_ERROR);
|
||||
|
||||
unset($UTF8_ar);
|
||||
|
||||
// Put the current directory in this constant
|
||||
if (!defined('UTF8'))
|
||||
define('UTF8', dirname(__FILE__));
|
||||
|
||||
if (extension_loaded('mbstring') && !defined('UTF8_USE_MBSTRING') && !defined('UTF8_USE_NATIVE'))
|
||||
define('UTF8_USE_MBSTRING', true);
|
||||
else if (!defined('UTF8_USE_NATIVE'))
|
||||
define('UTF8_USE_NATIVE', true);
|
||||
|
||||
// utf8_strpos() and utf8_strrpos() need utf8_bad_strip() to strip invalid
|
||||
// characters. Mbstring doesn't do this while the Native implementation does.
|
||||
require UTF8.'/utils/bad.php';
|
||||
|
||||
if (defined('UTF8_USE_MBSTRING'))
|
||||
{
|
||||
/**
|
||||
* If string overloading is active, it will break many of the
|
||||
* native implementations. mbstring.func_overload must be set
|
||||
* to 0, 1 or 4 in php.ini (string overloading disabled).
|
||||
* Also need to check we have the correct internal mbstring
|
||||
* encoding
|
||||
*/
|
||||
if (ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING)
|
||||
trigger_error('String functions are overloaded by mbstring', E_USER_ERROR);
|
||||
|
||||
mb_language('uni');
|
||||
mb_internal_encoding('UTF-8');
|
||||
|
||||
if (!defined('UTF8_CORE'))
|
||||
require UTF8.'/mbstring/core.php';
|
||||
}
|
||||
elseif (defined('UTF8_USE_NATIVE'))
|
||||
{
|
||||
if (!defined('UTF8_CORE'))
|
||||
{
|
||||
require UTF8.'/utils/unicode.php';
|
||||
require UTF8.'/native/core.php';
|
||||
}
|
||||
}
|
||||
|
||||
// Load the native implementation of utf8_trim
|
||||
require UTF8.'/trim.php';
|
||||
|
|
@ -1,221 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* Tools to help with ASCII in UTF-8
|
||||
* @version $Id: ascii.php,v 1.5 2006/10/16 20:38:12 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage ascii
|
||||
*/
|
||||
|
||||
/**
|
||||
* Tests whether a string contains only 7bit ASCII bytes.
|
||||
* You might use this to conditionally check whether a string
|
||||
* needs handling as UTF-8 or not, potentially offering performance
|
||||
* benefits by using the native PHP equivalent if it's just ASCII e.g.;
|
||||
*
|
||||
* <code>
|
||||
* if ( utf8_is_ascii($someString) ) {
|
||||
* // It's just ASCII - use the native PHP version
|
||||
* $someString = strtolower($someString);
|
||||
* } else {
|
||||
* $someString = utf8_strtolower($someString);
|
||||
* }
|
||||
* </code>
|
||||
*
|
||||
* @param string
|
||||
* @return boolean TRUE if it's all ASCII
|
||||
* @package utf8
|
||||
* @subpackage ascii
|
||||
* @see utf8_is_ascii_ctrl
|
||||
*/
|
||||
function utf8_is_ascii($str)
|
||||
{
|
||||
// Search for any bytes which are outside the ASCII range...
|
||||
return (preg_match('/(?:[^\x00-\x7F])/', $str) !== 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests whether a string contains only 7bit ASCII bytes with device
|
||||
* control codes omitted. The device control codes can be found on the
|
||||
* second table here: http://www.w3schools.com/tags/ref_ascii.asp
|
||||
*
|
||||
* @param string
|
||||
* @return boolean TRUE if it's all ASCII without device control codes
|
||||
* @package utf8
|
||||
* @subpackage ascii
|
||||
* @see utf8_is_ascii
|
||||
*/
|
||||
function utf8_is_ascii_ctrl($str)
|
||||
{
|
||||
// Search for any bytes which are outside the ASCII range, or are device control codes
|
||||
if (strlen($str) > 0)
|
||||
return (preg_match('/[^\x09\x0A\x0D\x20-\x7E]/', $str) !== 1);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Strip out all non-7bit ASCII bytes
|
||||
* If you need to transmit a string to system which you know can only
|
||||
* support 7bit ASCII, you could use this function.
|
||||
* @param string
|
||||
* @return string with non ASCII bytes removed
|
||||
* @package utf8
|
||||
* @subpackage ascii
|
||||
* @see utf8_strip_non_ascii_ctrl
|
||||
*/
|
||||
function utf8_strip_non_ascii($str)
|
||||
{
|
||||
ob_start();
|
||||
|
||||
while (preg_match('/^([\x00-\x7F]+)|([^\x00-\x7F]+)/S', $str, $matches))
|
||||
{
|
||||
if (!isset($matches[2]))
|
||||
echo $matches[0];
|
||||
|
||||
$str = substr($str, strlen($matches[0]));
|
||||
}
|
||||
|
||||
$result = ob_get_contents();
|
||||
ob_end_clean();
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Strip out device control codes in the ASCII range
|
||||
* which are not permitted in XML. Note that this leaves
|
||||
* multi-byte characters untouched - it only removes device
|
||||
* control codes
|
||||
* @see http://hsivonen.iki.fi/producing-xml/#controlchar
|
||||
* @param string
|
||||
* @return string control codes removed
|
||||
*/
|
||||
function utf8_strip_ascii_ctrl($str)
|
||||
{
|
||||
ob_start();
|
||||
|
||||
while (preg_match('/^([^\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+)|([\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+)/S', $str, $matches))
|
||||
{
|
||||
if (!isset($matches[2]))
|
||||
echo $matches[0];
|
||||
|
||||
$str = substr($str, strlen($matches[0]));
|
||||
}
|
||||
|
||||
$result = ob_get_contents();
|
||||
ob_end_clean();
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Strip out all non 7bit ASCII bytes and ASCII device control codes.
|
||||
* For a list of ASCII device control codes see the 2nd table here:
|
||||
* http://www.w3schools.com/tags/ref_ascii.asp
|
||||
*
|
||||
* @param string
|
||||
* @return boolean TRUE if it's all ASCII
|
||||
* @package utf8
|
||||
* @subpackage ascii
|
||||
*/
|
||||
function utf8_strip_non_ascii_ctrl($str)
|
||||
{
|
||||
ob_start();
|
||||
|
||||
while (preg_match( '/^([\x09\x0A\x0D\x20-\x7E]+)|([^\x09\x0A\x0D\x20-\x7E]+)/S', $str, $matches))
|
||||
{
|
||||
if (!isset($matches[2]))
|
||||
echo $matches[0];
|
||||
|
||||
$str = substr($str, strlen($matches[0]));
|
||||
}
|
||||
|
||||
$result = ob_get_contents();
|
||||
ob_end_clean();
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Replace accented UTF-8 characters by unaccented ASCII-7 "equivalents".
|
||||
* The purpose of this function is to replace characters commonly found in Latin
|
||||
* alphabets with something more or less equivalent from the ASCII range. This can
|
||||
* be useful for converting a UTF-8 to something ready for a filename, for example.
|
||||
* Following the use of this function, you would probably also pass the string
|
||||
* through utf8_strip_non_ascii to clean out any other non-ASCII chars
|
||||
* Use the optional parameter to just deaccent lower ($case = -1) or upper ($case = 1)
|
||||
* letters. Default is to deaccent both cases ($case = 0)
|
||||
*
|
||||
* For a more complete implementation of transliteration, see the utf8_to_ascii package
|
||||
* available from the phputf8 project downloads:
|
||||
* http://prdownloads.sourceforge.net/phputf8
|
||||
*
|
||||
* @param string UTF-8 string
|
||||
* @param int (optional) -1 lowercase only, +1 uppercase only, 1 both cases
|
||||
* @param string UTF-8 with accented characters replaced by ASCII chars
|
||||
* @return string accented chars replaced with ascii equivalents
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
* @package utf8
|
||||
* @subpackage ascii
|
||||
*/
|
||||
function utf8_accents_to_ascii($str, $case=0)
|
||||
{
|
||||
static $UTF8_LOWER_ACCENTS = null;
|
||||
static $UTF8_UPPER_ACCENTS = null;
|
||||
|
||||
if($case <= 0)
|
||||
{
|
||||
|
||||
if (is_null($UTF8_LOWER_ACCENTS))
|
||||
{
|
||||
$UTF8_LOWER_ACCENTS = array(
|
||||
'à' => 'a', 'ô' => 'o', 'ď' => 'd', 'ḟ' => 'f', 'ë' => 'e', 'š' => 's', 'ơ' => 'o',
|
||||
'ß' => 'ss', 'ă' => 'a', 'ř' => 'r', 'ț' => 't', 'ň' => 'n', 'ā' => 'a', 'ķ' => 'k',
|
||||
'ŝ' => 's', 'ỳ' => 'y', 'ņ' => 'n', 'ĺ' => 'l', 'ħ' => 'h', 'ṗ' => 'p', 'ó' => 'o',
|
||||
'ú' => 'u', 'ě' => 'e', 'é' => 'e', 'ç' => 'c', 'ẁ' => 'w', 'ċ' => 'c', 'õ' => 'o',
|
||||
'ṡ' => 's', 'ø' => 'o', 'ģ' => 'g', 'ŧ' => 't', 'ș' => 's', 'ė' => 'e', 'ĉ' => 'c',
|
||||
'ś' => 's', 'î' => 'i', 'ű' => 'u', 'ć' => 'c', 'ę' => 'e', 'ŵ' => 'w', 'ṫ' => 't',
|
||||
'ū' => 'u', 'č' => 'c', 'ö' => 'oe', 'è' => 'e', 'ŷ' => 'y', 'ą' => 'a', 'ł' => 'l',
|
||||
'ų' => 'u', 'ů' => 'u', 'ş' => 's', 'ğ' => 'g', 'ļ' => 'l', 'ƒ' => 'f', 'ž' => 'z',
|
||||
'ẃ' => 'w', 'ḃ' => 'b', 'å' => 'a', 'ì' => 'i', 'ï' => 'i', 'ḋ' => 'd', 'ť' => 't',
|
||||
'ŗ' => 'r', 'ä' => 'ae', 'í' => 'i', 'ŕ' => 'r', 'ê' => 'e', 'ü' => 'ue', 'ò' => 'o',
|
||||
'ē' => 'e', 'ñ' => 'n', 'ń' => 'n', 'ĥ' => 'h', 'ĝ' => 'g', 'đ' => 'd', 'ĵ' => 'j',
|
||||
'ÿ' => 'y', 'ũ' => 'u', 'ŭ' => 'u', 'ư' => 'u', 'ţ' => 't', 'ý' => 'y', 'ő' => 'o',
|
||||
'â' => 'a', 'ľ' => 'l', 'ẅ' => 'w', 'ż' => 'z', 'ī' => 'i', 'ã' => 'a', 'ġ' => 'g',
|
||||
'ṁ' => 'm', 'ō' => 'o', 'ĩ' => 'i', 'ù' => 'u', 'į' => 'i', 'ź' => 'z', 'á' => 'a',
|
||||
'û' => 'u', 'þ' => 'th', 'ð' => 'dh', 'æ' => 'ae', 'µ' => 'u', 'ĕ' => 'e',
|
||||
);
|
||||
}
|
||||
|
||||
$str = str_replace(array_keys($UTF8_LOWER_ACCENTS), array_values($UTF8_LOWER_ACCENTS), $str);
|
||||
}
|
||||
|
||||
if($case >= 0)
|
||||
{
|
||||
if (is_null($UTF8_UPPER_ACCENTS))
|
||||
{
|
||||
$UTF8_UPPER_ACCENTS = array(
|
||||
'À' => 'A', 'Ô' => 'O', 'Ď' => 'D', 'Ḟ' => 'F', 'Ë' => 'E', 'Š' => 'S', 'Ơ' => 'O',
|
||||
'Ă' => 'A', 'Ř' => 'R', 'Ț' => 'T', 'Ň' => 'N', 'Ā' => 'A', 'Ķ' => 'K',
|
||||
'Ŝ' => 'S', 'Ỳ' => 'Y', 'Ņ' => 'N', 'Ĺ' => 'L', 'Ħ' => 'H', 'Ṗ' => 'P', 'Ó' => 'O',
|
||||
'Ú' => 'U', 'Ě' => 'E', 'É' => 'E', 'Ç' => 'C', 'Ẁ' => 'W', 'Ċ' => 'C', 'Õ' => 'O',
|
||||
'Ṡ' => 'S', 'Ø' => 'O', 'Ģ' => 'G', 'Ŧ' => 'T', 'Ș' => 'S', 'Ė' => 'E', 'Ĉ' => 'C',
|
||||
'Ś' => 'S', 'Î' => 'I', 'Ű' => 'U', 'Ć' => 'C', 'Ę' => 'E', 'Ŵ' => 'W', 'Ṫ' => 'T',
|
||||
'Ū' => 'U', 'Č' => 'C', 'Ö' => 'Oe', 'È' => 'E', 'Ŷ' => 'Y', 'Ą' => 'A', 'Ł' => 'L',
|
||||
'Ų' => 'U', 'Ů' => 'U', 'Ş' => 'S', 'Ğ' => 'G', 'Ļ' => 'L', 'Ƒ' => 'F', 'Ž' => 'Z',
|
||||
'Ẃ' => 'W', 'Ḃ' => 'B', 'Å' => 'A', 'Ì' => 'I', 'Ï' => 'I', 'Ḋ' => 'D', 'Ť' => 'T',
|
||||
'Ŗ' => 'R', 'Ä' => 'Ae', 'Í' => 'I', 'Ŕ' => 'R', 'Ê' => 'E', 'Ü' => 'Ue', 'Ò' => 'O',
|
||||
'Ē' => 'E', 'Ñ' => 'N', 'Ń' => 'N', 'Ĥ' => 'H', 'Ĝ' => 'G', 'Đ' => 'D', 'Ĵ' => 'J',
|
||||
'Ÿ' => 'Y', 'Ũ' => 'U', 'Ŭ' => 'U', 'Ư' => 'U', 'Ţ' => 'T', 'Ý' => 'Y', 'Ő' => 'O',
|
||||
'Â' => 'A', 'Ľ' => 'L', 'Ẅ' => 'W', 'Ż' => 'Z', 'Ī' => 'I', 'Ã' => 'A', 'Ġ' => 'G',
|
||||
'Ṁ' => 'M', 'Ō' => 'O', 'Ĩ' => 'I', 'Ù' => 'U', 'Į' => 'I', 'Ź' => 'Z', 'Á' => 'A',
|
||||
'Û' => 'U', 'Þ' => 'Th', 'Ð' => 'Dh', 'Æ' => 'Ae', 'Ĕ' => 'E',
|
||||
);
|
||||
}
|
||||
|
||||
$str = str_replace(array_keys($UTF8_UPPER_ACCENTS), array_values($UTF8_UPPER_ACCENTS), $str);
|
||||
}
|
||||
|
||||
return $str;
|
||||
}
|
||||
|
|
@ -1,430 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: bad.php,v 1.2 2006/02/26 13:20:44 harryf Exp $
|
||||
* Tools for locating / replacing bad bytes in UTF-8 strings
|
||||
* The Original Code is Mozilla Communicator client code.
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 1998
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
* Ported to PHP by Henri Sivonen (http://hsivonen.iki.fi)
|
||||
* Slight modifications to fit with phputf8 library by Harry Fuecks (hfuecks gmail com)
|
||||
* @see http://lxr.mozilla.org/seamonkey/source/intl/uconv/src/nsUTF8ToUnicode.cpp
|
||||
* @see http://lxr.mozilla.org/seamonkey/source/intl/uconv/src/nsUnicodeToUTF8.cpp
|
||||
* @see http://hsivonen.iki.fi/php-utf8/
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
* @see utf8_is_valid
|
||||
*/
|
||||
|
||||
/**
|
||||
* Locates the first bad byte in a UTF-8 string returning it's
|
||||
* byte index in the string
|
||||
* PCRE Pattern to locate bad bytes in a UTF-8 string
|
||||
* Comes from W3 FAQ: Multilingual Forms
|
||||
* Note: modified to include full ASCII range including control chars
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @param string
|
||||
* @return mixed integer byte index or FALSE if no bad found
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
function utf8_bad_find($str)
|
||||
{
|
||||
$UTF8_BAD =
|
||||
'([\x00-\x7F]'. # ASCII (including control chars)
|
||||
'|[\xC2-\xDF][\x80-\xBF]'. # Non-overlong 2-byte
|
||||
'|\xE0[\xA0-\xBF][\x80-\xBF]'. # Excluding overlongs
|
||||
'|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}'. # Straight 3-byte
|
||||
'|\xED[\x80-\x9F][\x80-\xBF]'. # Excluding surrogates
|
||||
'|\xF0[\x90-\xBF][\x80-\xBF]{2}'. # Planes 1-3
|
||||
'|[\xF1-\xF3][\x80-\xBF]{3}'. # Planes 4-15
|
||||
'|\xF4[\x80-\x8F][\x80-\xBF]{2}'. # Plane 16
|
||||
'|(.{1}))'; # Invalid byte
|
||||
$pos = 0;
|
||||
$badList = array();
|
||||
|
||||
while (preg_match('/'.$UTF8_BAD.'/S', $str, $matches))
|
||||
{
|
||||
$bytes = strlen($matches[0]);
|
||||
|
||||
if (isset($matches[2]))
|
||||
return $pos;
|
||||
|
||||
$pos += $bytes;
|
||||
$str = substr($str,$bytes);
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Locates all bad bytes in a UTF-8 string and returns a list of their
|
||||
* byte index in the string
|
||||
* PCRE Pattern to locate bad bytes in a UTF-8 string
|
||||
* Comes from W3 FAQ: Multilingual Forms
|
||||
* Note: modified to include full ASCII range including control chars
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @param string
|
||||
* @return mixed array of integers or FALSE if no bad found
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
function utf8_bad_findall($str)
|
||||
{
|
||||
$UTF8_BAD =
|
||||
'([\x00-\x7F]'. # ASCII (including control chars)
|
||||
'|[\xC2-\xDF][\x80-\xBF]'. # Non-overlong 2-byte
|
||||
'|\xE0[\xA0-\xBF][\x80-\xBF]'. # Excluding overlongs
|
||||
'|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}'. # Straight 3-byte
|
||||
'|\xED[\x80-\x9F][\x80-\xBF]'. # Excluding surrogates
|
||||
'|\xF0[\x90-\xBF][\x80-\xBF]{2}'. # Planes 1-3
|
||||
'|[\xF1-\xF3][\x80-\xBF]{3}'. # Planes 4-15
|
||||
'|\xF4[\x80-\x8F][\x80-\xBF]{2}'. # Plane 16
|
||||
'|(.{1}))'; # Invalid byte
|
||||
$pos = 0;
|
||||
$badList = array();
|
||||
|
||||
while (preg_match('/'.$UTF8_BAD.'/S', $str, $matches))
|
||||
{
|
||||
$bytes = strlen($matches[0]);
|
||||
|
||||
if (isset($matches[2]))
|
||||
$badList[] = $pos;
|
||||
|
||||
$pos += $bytes;
|
||||
$str = substr($str,$bytes);
|
||||
}
|
||||
|
||||
if (count($badList) > 0)
|
||||
return $badList;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Strips out any bad bytes from a UTF-8 string and returns the rest
|
||||
* PCRE Pattern to locate bad bytes in a UTF-8 string
|
||||
* Comes from W3 FAQ: Multilingual Forms
|
||||
* Note: modified to include full ASCII range including control chars
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @param string
|
||||
* @return string
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
function utf8_bad_strip($original)
|
||||
{
|
||||
return utf8_bad_replace($original, '');
|
||||
}
|
||||
|
||||
/**
|
||||
* Replace bad bytes with an alternative character - ASCII character
|
||||
* recommended is replacement char
|
||||
* PCRE Pattern to locate bad bytes in a UTF-8 string
|
||||
* Comes from W3 FAQ: Multilingual Forms
|
||||
* Note: modified to include full ASCII range including control chars
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @param string to search
|
||||
* @param string to replace bad bytes with (defaults to '?') - use ASCII
|
||||
* @return string
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
function utf8_bad_replace($original, $replace = '?') {
|
||||
$result = '';
|
||||
|
||||
$strlen = strlen($original);
|
||||
for ($i = 0; $i < $strlen;) {
|
||||
$char = $original[$i++];
|
||||
$byte = ord($char);
|
||||
|
||||
if ($byte < 0x80) $bytes = 0; // 1-bytes (00000000 - 01111111)
|
||||
else if ($byte < 0xC0) { // 1-bytes (10000000 - 10111111)
|
||||
$result .= $replace;
|
||||
continue;
|
||||
}
|
||||
else if ($byte < 0xE0) $bytes = 1; // 2-bytes (11000000 - 11011111)
|
||||
else if ($byte < 0xF0) $bytes = 2; // 3-bytes (11100000 - 11101111)
|
||||
else if ($byte < 0xF8) $bytes = 3; // 4-bytes (11110000 - 11110111)
|
||||
else if ($byte < 0xFC) $bytes = 4; // 5-bytes (11111000 - 11111011)
|
||||
else if ($byte < 0xFE) $bytes = 5; // 6-bytes (11111100 - 11111101)
|
||||
else { // Otherwise it's something invalid
|
||||
$result .= $replace;
|
||||
continue;
|
||||
}
|
||||
|
||||
// Check our input actually has enough data
|
||||
if ($i + $bytes > $strlen) {
|
||||
$result .= $replace;
|
||||
continue;
|
||||
}
|
||||
|
||||
// If we've got this far then we have a multiple-byte character
|
||||
for ($j = 0; $j < $bytes; $j++) {
|
||||
$byte = $original[$i + $j];
|
||||
|
||||
$char .= $byte;
|
||||
$byte = ord($byte);
|
||||
|
||||
// Every following byte must be 10000000 - 10111111
|
||||
if ($byte < 0x80 || $byte > 0xBF) {
|
||||
$result .= $replace;
|
||||
continue 2;
|
||||
}
|
||||
}
|
||||
|
||||
$i += $bytes;
|
||||
$result .= $char;
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return code from utf8_bad_identify() when a five octet sequence is detected.
|
||||
* Note: 5 octets sequences are valid UTF-8 but are not supported by Unicode so
|
||||
* do not represent a useful character
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
define('UTF8_BAD_5OCTET', 1);
|
||||
|
||||
/**
|
||||
* Return code from utf8_bad_identify() when a six octet sequence is detected.
|
||||
* Note: 6 octets sequences are valid UTF-8 but are not supported by Unicode so
|
||||
* do not represent a useful character
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
define('UTF8_BAD_6OCTET', 2);
|
||||
|
||||
/**
|
||||
* Return code from utf8_bad_identify().
|
||||
* Invalid octet for use as start of multi-byte UTF-8 sequence
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
define('UTF8_BAD_SEQID', 3);
|
||||
|
||||
/**
|
||||
* Return code from utf8_bad_identify().
|
||||
* From Unicode 3.1, non-shortest form is illegal
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
define('UTF8_BAD_NONSHORT', 4);
|
||||
|
||||
/**
|
||||
* Return code from utf8_bad_identify().
|
||||
* From Unicode 3.2, surrogate characters are illegal
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
define('UTF8_BAD_SURROGATE', 5);
|
||||
|
||||
/**
|
||||
* Return code from utf8_bad_identify().
|
||||
* Codepoints outside the Unicode range are illegal
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
define('UTF8_BAD_UNIOUTRANGE', 6);
|
||||
|
||||
/**
|
||||
* Return code from utf8_bad_identify().
|
||||
* Incomplete multi-octet sequence
|
||||
* Note: this is kind of a "catch-all"
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
define('UTF8_BAD_SEQINCOMPLETE', 7);
|
||||
|
||||
/**
|
||||
* Reports on the type of bad byte found in a UTF-8 string. Returns a
|
||||
* status code on the first bad byte found
|
||||
* @author <hsivonen@iki.fi>
|
||||
* @param string UTF-8 encoded string
|
||||
* @return mixed integer constant describing problem or FALSE if valid UTF-8
|
||||
* @see utf8_bad_explain
|
||||
* @see http://hsivonen.iki.fi/php-utf8/
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
function utf8_bad_identify($str, &$i)
|
||||
{
|
||||
$mState = 0; // Cached expected number of octets after the current octet
|
||||
// until the beginning of the next UTF8 character sequence
|
||||
$mUcs4 = 0; // Cached Unicode character
|
||||
$mBytes = 1; // Cached expected number of octets in the current sequence
|
||||
|
||||
$len = strlen($str);
|
||||
|
||||
for($i=0; $i < $len; $i++)
|
||||
{
|
||||
$in = ord($str{$i});
|
||||
|
||||
if ( $mState == 0)
|
||||
{
|
||||
// When mState is zero we expect either a US-ASCII character or a multi-octet sequence.
|
||||
if (0 == (0x80 & ($in)))
|
||||
{
|
||||
// US-ASCII, pass straight through.
|
||||
$mBytes = 1;
|
||||
}
|
||||
else if (0xC0 == (0xE0 & ($in)))
|
||||
{
|
||||
// First octet of 2 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x1F) << 6;
|
||||
$mState = 1;
|
||||
$mBytes = 2;
|
||||
}
|
||||
else if (0xE0 == (0xF0 & ($in)))
|
||||
{
|
||||
// First octet of 3 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x0F) << 12;
|
||||
$mState = 2;
|
||||
$mBytes = 3;
|
||||
}
|
||||
else if (0xF0 == (0xF8 & ($in)))
|
||||
{
|
||||
// First octet of 4 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x07) << 18;
|
||||
$mState = 3;
|
||||
$mBytes = 4;
|
||||
}
|
||||
else if (0xF8 == (0xFC & ($in)))
|
||||
{
|
||||
/* First octet of 5 octet sequence.
|
||||
*
|
||||
* This is illegal because the encoded codepoint must be either
|
||||
* (a) not the shortest form or
|
||||
* (b) outside the Unicode range of 0-0x10FFFF.
|
||||
*/
|
||||
return UTF8_BAD_5OCTET;
|
||||
}
|
||||
else if (0xFC == (0xFE & ($in)))
|
||||
{
|
||||
// First octet of 6 octet sequence, see comments for 5 octet sequence.
|
||||
return UTF8_BAD_6OCTET;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Current octet is neither in the US-ASCII range nor a legal first
|
||||
// octet of a multi-octet sequence.
|
||||
return UTF8_BAD_SEQID;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// When mState is non-zero, we expect a continuation of the multi-octet sequence
|
||||
if (0x80 == (0xC0 & ($in)))
|
||||
{
|
||||
// Legal continuation.
|
||||
$shift = ($mState - 1) * 6;
|
||||
$tmp = $in;
|
||||
$tmp = ($tmp & 0x0000003F) << $shift;
|
||||
$mUcs4 |= $tmp;
|
||||
|
||||
/**
|
||||
* End of the multi-octet sequence. mUcs4 now contains the final
|
||||
* Unicode codepoint to be output
|
||||
*/
|
||||
if (0 == --$mState)
|
||||
{
|
||||
// From Unicode 3.1, non-shortest form is illegal
|
||||
if (((2 == $mBytes) && ($mUcs4 < 0x0080)) ||
|
||||
((3 == $mBytes) && ($mUcs4 < 0x0800)) ||
|
||||
((4 == $mBytes) && ($mUcs4 < 0x10000)) )
|
||||
return UTF8_BAD_NONSHORT;
|
||||
else if (($mUcs4 & 0xFFFFF800) == 0xD800) // From Unicode 3.2, surrogate characters are illegal
|
||||
return UTF8_BAD_SURROGATE;
|
||||
else if ($mUcs4 > 0x10FFFF) // Codepoints outside the Unicode range are illegal
|
||||
return UTF8_BAD_UNIOUTRANGE;
|
||||
|
||||
// Initialize UTF8 cache
|
||||
$mState = 0;
|
||||
$mUcs4 = 0;
|
||||
$mBytes = 1;
|
||||
}
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
// ((0xC0 & (*in) != 0x80) && (mState != 0))
|
||||
// Incomplete multi-octet sequence.
|
||||
$i--;
|
||||
return UTF8_BAD_SEQINCOMPLETE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Incomplete multi-octet sequence
|
||||
if ($mState != 0)
|
||||
{
|
||||
$i--;
|
||||
return UTF8_BAD_SEQINCOMPLETE;
|
||||
}
|
||||
|
||||
// No bad octets found
|
||||
$i = null;
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Takes a return code from utf8_bad_identify() are returns a message
|
||||
* (in English) explaining what the problem is.
|
||||
* @param int return code from utf8_bad_identify
|
||||
* @return mixed string message or FALSE if return code unknown
|
||||
* @see utf8_bad_identify
|
||||
* @package utf8
|
||||
* @subpackage bad
|
||||
*/
|
||||
function utf8_bad_explain($code)
|
||||
{
|
||||
switch ($code)
|
||||
{
|
||||
case UTF8_BAD_5OCTET:
|
||||
return 'Five octet sequences are valid UTF-8 but are not supported by Unicode';
|
||||
break;
|
||||
|
||||
case UTF8_BAD_6OCTET:
|
||||
return 'Six octet sequences are valid UTF-8 but are not supported by Unicode';
|
||||
break;
|
||||
|
||||
case UTF8_BAD_SEQID:
|
||||
return 'Invalid octet for use as start of multi-byte UTF-8 sequence';
|
||||
break;
|
||||
|
||||
case UTF8_BAD_NONSHORT:
|
||||
return 'From Unicode 3.1, non-shortest form is illegal';
|
||||
break;
|
||||
|
||||
case UTF8_BAD_SURROGATE:
|
||||
return 'From Unicode 3.2, surrogate characters are illegal';
|
||||
break;
|
||||
|
||||
case UTF8_BAD_UNIOUTRANGE:
|
||||
return 'Codepoints outside the Unicode range are illegal';
|
||||
break;
|
||||
|
||||
case UTF8_BAD_SEQINCOMPLETE:
|
||||
return 'Incomplete multi-octet sequence';
|
||||
break;
|
||||
}
|
||||
|
||||
trigger_error('Unknown error code: '.$code, E_USER_WARNING);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
|
@ -1 +0,0 @@
|
|||
<html><head><title>.</title></head><body>.</body></html>
|
||||
|
|
@ -1,67 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* PCRE Regular expressions for UTF-8. Note this file is not actually used by
|
||||
* the rest of the library but these regular expressions can be useful to have
|
||||
* available.
|
||||
* @version $Id: patterns.php,v 1.1 2006/02/25 14:20:02 harryf Exp $
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @package utf8
|
||||
* @subpackage patterns
|
||||
*/
|
||||
|
||||
/**
|
||||
* PCRE Pattern to check a UTF-8 string is valid
|
||||
* Comes from W3 FAQ: Multilingual Forms
|
||||
* Note: modified to include full ASCII range including control chars
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @package utf8
|
||||
* @subpackage patterns
|
||||
*/
|
||||
$UTF8_VALID = '^('.
|
||||
'[\x00-\x7F]'. # ASCII (including control chars)
|
||||
'|[\xC2-\xDF][\x80-\xBF]'. # Non-overlong 2-byte
|
||||
'|\xE0[\xA0-\xBF][\x80-\xBF]'. # Excluding overlongs
|
||||
'|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}'. # Straight 3-byte
|
||||
'|\xED[\x80-\x9F][\x80-\xBF]'. # Excluding surrogates
|
||||
'|\xF0[\x90-\xBF][\x80-\xBF]{2}'. # Planes 1-3
|
||||
'|[\xF1-\xF3][\x80-\xBF]{3}'. # Planes 4-15
|
||||
'|\xF4[\x80-\x8F][\x80-\xBF]{2}'. # Plane 16
|
||||
')*$';
|
||||
|
||||
/**
|
||||
* PCRE Pattern to match single UTF-8 characters
|
||||
* Comes from W3 FAQ: Multilingual Forms
|
||||
* Note: modified to include full ASCII range including control chars
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @package utf8
|
||||
* @subpackage patterns
|
||||
*/
|
||||
$UTF8_MATCH =
|
||||
'([\x00-\x7F])'. # ASCII (including control chars)
|
||||
'|([\xC2-\xDF][\x80-\xBF])'. # Non-overlong 2-byte
|
||||
'|(\xE0[\xA0-\xBF][\x80-\xBF])'. # Excluding overlongs
|
||||
'|([\xE1-\xEC\xEE\xEF][\x80-\xBF]{2})'. # Straight 3-byte
|
||||
'|(\xED[\x80-\x9F][\x80-\xBF])'. # Excluding surrogates
|
||||
'|(\xF0[\x90-\xBF][\x80-\xBF]{2})'. # Planes 1-3
|
||||
'|([\xF1-\xF3][\x80-\xBF]{3})'. # Planes 4-15
|
||||
'|(\xF4[\x80-\x8F][\x80-\xBF]{2})'; # Plane 16
|
||||
|
||||
/**
|
||||
* PCRE Pattern to locate bad bytes in a UTF-8 string
|
||||
* Comes from W3 FAQ: Multilingual Forms
|
||||
* Note: modified to include full ASCII range including control chars
|
||||
* @see http://www.w3.org/International/questions/qa-forms-utf-8
|
||||
* @package utf8
|
||||
* @subpackage patterns
|
||||
*/
|
||||
$UTF8_BAD =
|
||||
'([\x00-\x7F]'. # ASCII (including control chars)
|
||||
'|[\xC2-\xDF][\x80-\xBF]'. # Non-overlong 2-byte
|
||||
'|\xE0[\xA0-\xBF][\x80-\xBF]'. # Excluding overlongs
|
||||
'|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}'. # Straight 3-byte
|
||||
'|\xED[\x80-\x9F][\x80-\xBF]'. # Excluding surrogates
|
||||
'|\xF0[\x90-\xBF][\x80-\xBF]{2}'. # Planes 1-3
|
||||
'|[\xF1-\xF3][\x80-\xBF]{3}'. # Planes 4-15
|
||||
'|\xF4[\x80-\x8F][\x80-\xBF]{2}'. # Plane 16
|
||||
'|(.{1}))'; # Invalid byte
|
||||
|
|
@ -1,171 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* Locate a byte index given a UTF-8 character index
|
||||
* @version $Id: position.php,v 1.1 2006/10/01 00:01:31 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage position
|
||||
*/
|
||||
|
||||
/**
|
||||
* Given a string and a character index in the string, in
|
||||
* terms of the UTF-8 character position, returns the byte
|
||||
* index of that character. Can be useful when you want to
|
||||
* PHP's native string functions but we warned, locating
|
||||
* the byte can be expensive
|
||||
* Takes variable number of parameters - first must be
|
||||
* the search string then 1 to n UTF-8 character positions
|
||||
* to obtain byte indexes for - it is more efficient to search
|
||||
* the string for multiple characters at once, than make
|
||||
* repeated calls to this function
|
||||
*
|
||||
* @author Chris Smith<chris@jalakai.co.uk>
|
||||
* @param string string to locate index in
|
||||
* @param int (n times)
|
||||
* @return mixed - int if only one input int, array if more
|
||||
* @return boolean TRUE if it's all ASCII
|
||||
* @package utf8
|
||||
* @subpackage position
|
||||
*/
|
||||
function utf8_byte_position()
|
||||
{
|
||||
$args = func_get_args();
|
||||
$str =& array_shift($args);
|
||||
|
||||
if (!is_string($str))
|
||||
return false;
|
||||
|
||||
$result = array();
|
||||
$prev = array(0, 0); // Trivial byte index, character offset pair
|
||||
$i = utf8_locate_next_chr($str, 300); // Use a short piece of str to estimate bytes per character. $i (& $j) -> byte indexes into $str
|
||||
$c = strlen(utf8_decode(substr($str, 0, $i))); // $c -> character offset into $str
|
||||
|
||||
// Deal with arguments from lowest to highest
|
||||
sort($args);
|
||||
|
||||
foreach ($args as $offset)
|
||||
{
|
||||
// Sanity checks FIXME
|
||||
|
||||
// 0 is an easy check
|
||||
if ($offset == 0)
|
||||
{
|
||||
$result[] = 0; continue;
|
||||
}
|
||||
|
||||
// Ensure no endless looping
|
||||
$safety_valve = 50;
|
||||
|
||||
do
|
||||
{
|
||||
if (($c - $prev[1]) == 0)
|
||||
{
|
||||
// Hack: gone past end of string
|
||||
$error = 0;
|
||||
$i = strlen($str);
|
||||
break;
|
||||
}
|
||||
|
||||
$j = $i + (int)(($offset-$c) * ($i - $prev[0]) / ($c - $prev[1]));
|
||||
$j = utf8_locate_next_chr($str, $j); // Correct to utf8 character boundary
|
||||
$prev = array($i,$c); // Save the index, offset for use next iteration
|
||||
|
||||
if ($j > $i)
|
||||
$c += strlen(utf8_decode(substr($str, $i, $j-$i))); // Determine new character offset
|
||||
else
|
||||
$c -= strlen(utf8_decode(substr($str, $j, $i-$j))); // Ditto
|
||||
|
||||
$error = abs($c-$offset);
|
||||
$i = $j; // Ready for next time around
|
||||
}
|
||||
while (($error > 7) && --$safety_valve); // From 7 it is faster to iterate over the string
|
||||
|
||||
if ($error && $error <= 7)
|
||||
{
|
||||
if ($c < $offset)
|
||||
{
|
||||
// Move up
|
||||
while ($error--)
|
||||
$i = utf8_locate_next_chr($str, ++$i);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Move down
|
||||
while ($error--)
|
||||
$i = utf8_locate_current_chr($str, --$i);
|
||||
}
|
||||
|
||||
// Ready for next arg
|
||||
$c = $offset;
|
||||
}
|
||||
|
||||
$result[] = $i;
|
||||
}
|
||||
|
||||
if (count($result) == 1)
|
||||
return $result[0];
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Given a string and any byte index, returns the byte index
|
||||
* of the start of the current UTF-8 character, relative to supplied
|
||||
* position. If the current character begins at the same place as the
|
||||
* supplied byte index, that byte index will be returned. Otherwise
|
||||
* this function will step backwards, looking for the index where
|
||||
* curent UTF-8 character begins
|
||||
* @author Chris Smith<chris@jalakai.co.uk>
|
||||
* @param string
|
||||
* @param int byte index in the string
|
||||
* @return int byte index of start of next UTF-8 character
|
||||
* @package utf8
|
||||
* @subpackage position
|
||||
*/
|
||||
function utf8_locate_current_chr( &$str, $idx )
|
||||
{
|
||||
if ($idx <= 0)
|
||||
return 0;
|
||||
|
||||
$limit = strlen($str);
|
||||
if ($idx >= $limit)
|
||||
return $limit;
|
||||
|
||||
// Binary value for any byte after the first in a multi-byte UTF-8 character
|
||||
// will be like 10xxxxxx so & 0xC0 can be used to detect this kind
|
||||
// of byte - assuming well formed UTF-8
|
||||
while ($idx && ((ord($str[$idx]) & 0xC0) == 0x80))
|
||||
$idx--;
|
||||
|
||||
return $idx;
|
||||
}
|
||||
|
||||
/**
|
||||
* Given a string and any byte index, returns the byte index
|
||||
* of the start of the next UTF-8 character, relative to supplied
|
||||
* position. If the next character begins at the same place as the
|
||||
* supplied byte index, that byte index will be returned.
|
||||
* @author Chris Smith<chris@jalakai.co.uk>
|
||||
* @param string
|
||||
* @param int byte index in the string
|
||||
* @return int byte index of start of next UTF-8 character
|
||||
* @package utf8
|
||||
* @subpackage position
|
||||
*/
|
||||
function utf8_locate_next_chr(&$str, $idx)
|
||||
{
|
||||
if ($idx <= 0)
|
||||
return 0;
|
||||
|
||||
$limit = strlen($str);
|
||||
if ($idx >= $limit)
|
||||
return $limit;
|
||||
|
||||
// Binary value for any byte after the first in a multi-byte UTF-8 character
|
||||
// will be like 10xxxxxx so & 0xC0 can be used to detect this kind
|
||||
// of byte - assuming well formed UTF-8
|
||||
while (($idx < $limit) && ((ord($str[$idx]) & 0xC0) == 0x80))
|
||||
$idx++;
|
||||
|
||||
return $idx;
|
||||
}
|
||||
|
|
@ -1,131 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* Utilities for processing "special" characters in UTF-8. "Special" largely means anything which would
|
||||
* be regarded as a non-word character, like ASCII control characters and punctuation. This has a "Roman"
|
||||
* bias - it would be unaware of modern Chinese "punctuation" characters for example.
|
||||
* Note: requires utils/unicode.php to be loaded
|
||||
* @version $Id: specials.php,v 1.2 2006/10/16 21:13:59 harryf Exp $
|
||||
* @package utf8
|
||||
* @subpackage utils
|
||||
* @see utf8_is_valid
|
||||
*/
|
||||
|
||||
/**
|
||||
* Used internally. Builds a PCRE pattern from the $UTF8_SPECIAL_CHARS
|
||||
* array defined in this file
|
||||
* The $UTF8_SPECIAL_CHARS should contain all special characters (non-letter/non-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.
|
||||
* This function adds the control chars 0x00 to 0x19 to the array of
|
||||
* special chars (they are not included in $UTF8_SPECIAL_CHARS)
|
||||
* @package utf8
|
||||
* @subpackage utils
|
||||
* @return string
|
||||
* @see utf8_from_unicode
|
||||
* @see utf8_is_word_chars
|
||||
* @see utf8_strip_specials
|
||||
*/
|
||||
function utf8_specials_pattern()
|
||||
{
|
||||
static $pattern = null;
|
||||
|
||||
if (!$pattern)
|
||||
{
|
||||
$UTF8_SPECIAL_CHARS = array(
|
||||
0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, 0x0020, 0x0021, 0x0022, 0x0023,
|
||||
0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
|
||||
0x002f, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, 0x0040, 0x005b,
|
||||
0x005c, 0x005d, 0x005e, 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);
|
||||
|
||||
$pattern = preg_quote(utf8_from_unicode($UTF8_SPECIAL_CHARS), '/');
|
||||
$pattern = '/[\x00-\x19'.$pattern.']/u';
|
||||
}
|
||||
|
||||
return $pattern;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks a string for whether it contains only word characters. This
|
||||
* is logically equivalent to the \w PCRE meta character. Note that
|
||||
* this is not a 100% guarantee that the string only contains alpha /
|
||||
* numeric characters but just that common non-alphanumeric are not
|
||||
* in the string, including ASCII device control characters.
|
||||
* @package utf8
|
||||
* @subpackage utils
|
||||
* @param string to check
|
||||
* @return boolean TRUE if the string only contains word characters
|
||||
* @see utf8_specials_pattern
|
||||
*/
|
||||
function utf8_is_word_chars($str)
|
||||
{
|
||||
return !(bool) preg_match(utf8_specials_pattern(), $str);
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes special characters (nonalphanumeric) from a UTF-8 string
|
||||
*
|
||||
* This can be useful as a helper for sanitizing a string for use as
|
||||
* something like a file name or a unique identifier. Be warned though
|
||||
* it does not handle all possible non-alphanumeric characters and is
|
||||
* not intended is some kind of security / injection filter.
|
||||
*
|
||||
* @package utf8
|
||||
* @subpackage utils
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
* @param string $string The UTF8 string to strip of special chars
|
||||
* @param string (optional) $repl Replace special with this string
|
||||
* @return string with common non-alphanumeric characters removed
|
||||
* @see utf8_specials_pattern
|
||||
*/
|
||||
function utf8_strip_specials($string, $repl='')
|
||||
{
|
||||
return preg_replace(utf8_specials_pattern(), $repl, $string);
|
||||
}
|
||||
|
|
@ -1,241 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: unicode.php,v 1.2 2006/02/26 13:20:44 harryf Exp $
|
||||
* Tools for conversion between UTF-8 and unicode
|
||||
* The Original Code is Mozilla Communicator client code.
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 1998
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
* Ported to PHP by Henri Sivonen (http://hsivonen.iki.fi)
|
||||
* Slight modifications to fit with phputf8 library by Harry Fuecks (hfuecks gmail com)
|
||||
* @see http://lxr.mozilla.org/seamonkey/source/intl/uconv/src/nsUTF8ToUnicode.cpp
|
||||
* @see http://lxr.mozilla.org/seamonkey/source/intl/uconv/src/nsUnicodeToUTF8.cpp
|
||||
* @see http://hsivonen.iki.fi/php-utf8/
|
||||
* @package utf8
|
||||
* @subpackage unicode
|
||||
*/
|
||||
|
||||
/**
|
||||
* Takes an UTF-8 string and returns an array of ints representing the
|
||||
* Unicode characters. Astral planes are supported ie. the ints in the
|
||||
* output can be > 0xFFFF. Occurrances of the BOM are ignored. Surrogates
|
||||
* are not allowed.
|
||||
* Returns false if the input string isn't a valid UTF-8 octet sequence
|
||||
* and raises a PHP error at level E_USER_WARNING
|
||||
* Note: this function has been modified slightly in this library to
|
||||
* trigger errors on encountering bad bytes
|
||||
* @author <hsivonen@iki.fi>
|
||||
* @param string UTF-8 encoded string
|
||||
* @return mixed array of unicode code points or FALSE if UTF-8 invalid
|
||||
* @see utf8_from_unicode
|
||||
* @see http://hsivonen.iki.fi/php-utf8/
|
||||
* @package utf8
|
||||
* @subpackage unicode
|
||||
*/
|
||||
function utf8_to_unicode($str)
|
||||
{
|
||||
$mState = 0; // Cached expected number of octets after the current octet
|
||||
// until the beginning of the next UTF8 character sequence
|
||||
$mUcs4 = 0; // Cached Unicode character
|
||||
$mBytes = 1; // Cached expected number of octets in the current sequence
|
||||
|
||||
$out = array();
|
||||
$len = strlen($str);
|
||||
|
||||
for($i = 0; $i < $len; $i++)
|
||||
{
|
||||
$in = ord($str[$i]);
|
||||
|
||||
if ($mState == 0)
|
||||
{
|
||||
// When mState is zero we expect either a US-ASCII character or a multi-octet sequence.
|
||||
if (0 == (0x80 & ($in)))
|
||||
{
|
||||
// US-ASCII, pass straight through.
|
||||
$out[] = $in;
|
||||
$mBytes = 1;
|
||||
}
|
||||
else if (0xC0 == (0xE0 & ($in)))
|
||||
{
|
||||
// First octet of 2 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x1F) << 6;
|
||||
$mState = 1;
|
||||
$mBytes = 2;
|
||||
}
|
||||
else if (0xE0 == (0xF0 & ($in)))
|
||||
{
|
||||
// First octet of 3 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x0F) << 12;
|
||||
$mState = 2;
|
||||
$mBytes = 3;
|
||||
}
|
||||
else if (0xF0 == (0xF8 & ($in)))
|
||||
{
|
||||
// First octet of 4 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x07) << 18;
|
||||
$mState = 3;
|
||||
$mBytes = 4;
|
||||
}
|
||||
else if (0xF8 == (0xFC & ($in)))
|
||||
{
|
||||
/* First octet of 5 octet sequence.
|
||||
*
|
||||
* This is illegal because the encoded codepoint must be either
|
||||
* (a) not the shortest form or
|
||||
* (b) outside the Unicode range of 0-0x10FFFF.
|
||||
* Rather than trying to resynchronize, we will carry on until the end
|
||||
* of the sequence and let the later error handling code catch it.
|
||||
*/
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x03) << 24;
|
||||
$mState = 4;
|
||||
$mBytes = 5;
|
||||
}
|
||||
else if (0xFC == (0xFE & ($in)))
|
||||
{
|
||||
// First octet of 6 octet sequence, see comments for 5 octet sequence.
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 1) << 30;
|
||||
$mState = 5;
|
||||
$mBytes = 6;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Current octet is neither in the US-ASCII range nor a legal first octet of a multi-octet sequence
|
||||
trigger_error('utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte '.$i, E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// When mState is non-zero, we expect a continuation of the multi-octet sequence
|
||||
if (0x80 == (0xC0 & ($in)))
|
||||
{
|
||||
// Legal continuation.
|
||||
$shift = ($mState - 1) * 6;
|
||||
$tmp = $in;
|
||||
$tmp = ($tmp & 0x0000003F) << $shift;
|
||||
$mUcs4 |= $tmp;
|
||||
|
||||
/**
|
||||
* End of the multi-octet sequence. mUcs4 now contains the final
|
||||
* Unicode codepoint to be output
|
||||
*/
|
||||
if (0 == --$mState)
|
||||
{
|
||||
/*
|
||||
* Check for illegal sequences and codepoints.
|
||||
*/
|
||||
// From Unicode 3.1, non-shortest form is illegal
|
||||
if (((2 == $mBytes) && ($mUcs4 < 0x0080)) || ((3 == $mBytes) && ($mUcs4 < 0x0800)) ||
|
||||
((4 == $mBytes) && ($mUcs4 < 0x10000)) || (4 < $mBytes) ||
|
||||
// From Unicode 3.2, surrogate characters are illegal
|
||||
(($mUcs4 & 0xFFFFF800) == 0xD800) ||
|
||||
// Codepoints outside the Unicode range are illegal
|
||||
($mUcs4 > 0x10FFFF))
|
||||
{
|
||||
trigger_error('utf8_to_unicode: Illegal sequence or codepoint in UTF-8 at byte '.$i, E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
|
||||
// BOM is legal but we don't want to output it
|
||||
if (0xFEFF != $mUcs4)
|
||||
$out[] = $mUcs4;
|
||||
|
||||
// Initialize UTF8 cache
|
||||
$mState = 0;
|
||||
$mUcs4 = 0;
|
||||
$mBytes = 1;
|
||||
}
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
/* ((0xC0 & (*in) != 0x80) && (mState != 0))
|
||||
Incomplete multi-octet sequence. */
|
||||
trigger_error('utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte '.$i, E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $out;
|
||||
}
|
||||
|
||||
/**
|
||||
* Takes an array of ints representing the Unicode characters and returns
|
||||
* a UTF-8 string. Astral planes are supported ie. the ints in the
|
||||
* input can be > 0xFFFF. Occurrances of the BOM are ignored. Surrogates
|
||||
* are not allowed.
|
||||
* Returns false if the input array contains ints that represent
|
||||
* surrogates or are outside the Unicode range
|
||||
* and raises a PHP error at level E_USER_WARNING
|
||||
* Note: this function has been modified slightly in this library to use
|
||||
* output buffering to concatenate the UTF-8 string (faster) as well as
|
||||
* reference the array by it's keys
|
||||
* @param array of unicode code points representing a string
|
||||
* @return mixed UTF-8 string or FALSE if array contains invalid code points
|
||||
* @author <hsivonen@iki.fi>
|
||||
* @see utf8_to_unicode
|
||||
* @see http://hsivonen.iki.fi/php-utf8/
|
||||
* @package utf8
|
||||
* @subpackage unicode
|
||||
*/
|
||||
function utf8_from_unicode($arr)
|
||||
{
|
||||
ob_start();
|
||||
|
||||
foreach (array_keys($arr) as $k)
|
||||
{
|
||||
if ( ($arr[$k] >= 0) && ($arr[$k] <= 0x007f) ) // ASCII range (including control chars)
|
||||
{
|
||||
echo chr($arr[$k]);
|
||||
}
|
||||
else if ($arr[$k] <= 0x07ff) //2 byte sequence
|
||||
{
|
||||
echo chr(0xc0 | ($arr[$k] >> 6));
|
||||
echo chr(0x80 | ($arr[$k] & 0x003f));
|
||||
}
|
||||
else if($arr[$k] == 0xFEFF) // Byte order mark (skip)
|
||||
{
|
||||
// Nop -- zap the BOM
|
||||
}
|
||||
else if ($arr[$k] >= 0xD800 && $arr[$k] <= 0xDFFF) // Test for illegal surrogates
|
||||
{
|
||||
// Found a surrogate
|
||||
trigger_error('utf8_from_unicode: Illegal surrogate at index: '.$k.', value: '.$arr[$k], E_USER_WARNING);
|
||||
|
||||
return false;
|
||||
}
|
||||
else if ($arr[$k] <= 0xffff) // 3 byte sequence
|
||||
{
|
||||
echo chr(0xe0 | ($arr[$k] >> 12));
|
||||
echo chr(0x80 | (($arr[$k] >> 6) & 0x003f));
|
||||
echo chr(0x80 | ($arr[$k] & 0x003f));
|
||||
}
|
||||
else if ($arr[$k] <= 0x10ffff) // 4 byte sequence
|
||||
{
|
||||
echo chr(0xf0 | ($arr[$k] >> 18));
|
||||
echo chr(0x80 | (($arr[$k] >> 12) & 0x3f));
|
||||
echo chr(0x80 | (($arr[$k] >> 6) & 0x3f));
|
||||
echo chr(0x80 | ($arr[$k] & 0x3f));
|
||||
}
|
||||
else
|
||||
{
|
||||
trigger_error('utf8_from_unicode: Codepoint out of Unicode range at index: '.$k.', value: '.$arr[$k], E_USER_WARNING);
|
||||
|
||||
// Out of range
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
$result = ob_get_contents();
|
||||
ob_end_clean();
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
|
@ -1,186 +0,0 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* @version $Id: validation.php,v 1.2 2006/02/26 13:20:44 harryf Exp $
|
||||
* Tools for validing a UTF-8 string is well formed.
|
||||
* The Original Code is Mozilla Communicator client code.
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 1998
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
* Ported to PHP by Henri Sivonen (http://hsivonen.iki.fi)
|
||||
* Slight modifications to fit with phputf8 library by Harry Fuecks (hfuecks gmail com)
|
||||
* @see http://lxr.mozilla.org/seamonkey/source/intl/uconv/src/nsUTF8ToUnicode.cpp
|
||||
* @see http://lxr.mozilla.org/seamonkey/source/intl/uconv/src/nsUnicodeToUTF8.cpp
|
||||
* @see http://hsivonen.iki.fi/php-utf8/
|
||||
* @package utf8
|
||||
* @subpackage validation
|
||||
*/
|
||||
|
||||
/**
|
||||
* Tests a string as to whether it's valid UTF-8 and supported by the
|
||||
* Unicode standard
|
||||
* Note: this function has been modified to simple return true or false
|
||||
* @author <hsivonen@iki.fi>
|
||||
* @param string UTF-8 encoded string
|
||||
* @return boolean true if valid
|
||||
* @see http://hsivonen.iki.fi/php-utf8/
|
||||
* @see utf8_compliant
|
||||
* @package utf8
|
||||
* @subpackage validation
|
||||
*/
|
||||
function utf8_is_valid($str)
|
||||
{
|
||||
$mState = 0; // Cached expected number of octets after the current octet
|
||||
// until the beginning of the next UTF8 character sequence
|
||||
$mUcs4 = 0; // Cached Unicode character
|
||||
$mBytes = 1; // Cached expected number of octets in the current sequence
|
||||
|
||||
$len = strlen($str);
|
||||
|
||||
for($i = 0; $i < $len; $i++)
|
||||
{
|
||||
$in = ord($str{$i});
|
||||
|
||||
if ( $mState == 0)
|
||||
{
|
||||
// When mState is zero we expect either a US-ASCII character or a multi-octet sequence.
|
||||
if (0 == (0x80 & ($in)))
|
||||
{
|
||||
$mBytes = 1; // US-ASCII, pass straight through
|
||||
}
|
||||
else if (0xC0 == (0xE0 & ($in)))
|
||||
{
|
||||
// First octet of 2 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x1F) << 6;
|
||||
$mState = 1;
|
||||
$mBytes = 2;
|
||||
}
|
||||
else if (0xE0 == (0xF0 & ($in)))
|
||||
{
|
||||
// First octet of 3 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x0F) << 12;
|
||||
$mState = 2;
|
||||
$mBytes = 3;
|
||||
}
|
||||
else if (0xF0 == (0xF8 & ($in)))
|
||||
{
|
||||
// First octet of 4 octet sequence
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x07) << 18;
|
||||
$mState = 3;
|
||||
$mBytes = 4;
|
||||
}
|
||||
else if (0xF8 == (0xFC & ($in)))
|
||||
{
|
||||
/* First octet of 5 octet sequence.
|
||||
*
|
||||
* This is illegal because the encoded codepoint must be either
|
||||
* (a) not the shortest form or
|
||||
* (b) outside the Unicode range of 0-0x10FFFF.
|
||||
* Rather than trying to resynchronize, we will carry on until the end
|
||||
* of the sequence and let the later error handling code catch it.
|
||||
*/
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 0x03) << 24;
|
||||
$mState = 4;
|
||||
$mBytes = 5;
|
||||
}
|
||||
else if (0xFC == (0xFE & ($in)))
|
||||
{
|
||||
// First octet of 6 octet sequence, see comments for 5 octet sequence.
|
||||
$mUcs4 = ($in);
|
||||
$mUcs4 = ($mUcs4 & 1) << 30;
|
||||
$mState = 5;
|
||||
$mBytes = 6;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Current octet is neither in the US-ASCII range nor a legal first octet of a multi-octet sequence.
|
||||
return false;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// When mState is non-zero, we expect a continuation of the multi-octet sequence
|
||||
if (0x80 == (0xC0 & ($in)))
|
||||
{
|
||||
// Legal continuation.
|
||||
$shift = ($mState - 1) * 6;
|
||||
$tmp = $in;
|
||||
$tmp = ($tmp & 0x0000003F) << $shift;
|
||||
$mUcs4 |= $tmp;
|
||||
|
||||
/**
|
||||
* End of the multi-octet sequence. mUcs4 now contains the final
|
||||
* Unicode codepoint to be output
|
||||
*/
|
||||
if (0 == --$mState)
|
||||
{
|
||||
/*
|
||||
* Check for illegal sequences and codepoints.
|
||||
*/
|
||||
// From Unicode 3.1, non-shortest form is illegal
|
||||
if (((2 == $mBytes) && ($mUcs4 < 0x0080)) || ((3 == $mBytes) && ($mUcs4 < 0x0800)) ||
|
||||
((4 == $mBytes) && ($mUcs4 < 0x10000)) || (4 < $mBytes) ||
|
||||
// From Unicode 3.2, surrogate characters are illegal
|
||||
(($mUcs4 & 0xFFFFF800) == 0xD800) ||
|
||||
// Codepoints outside the Unicode range are illegal
|
||||
($mUcs4 > 0x10FFFF))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
// Initialize UTF8 cache
|
||||
$mState = 0;
|
||||
$mUcs4 = 0;
|
||||
$mBytes = 1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/**
|
||||
*((0xC0 & (*in) != 0x80) && (mState != 0))
|
||||
* Incomplete multi-octet sequence.
|
||||
*/
|
||||
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests whether a string complies as UTF-8. This will be much
|
||||
* faster than utf8_is_valid, but will pass five and six octet
|
||||
* UTF-8 sequences, which are not supported by Unicode and
|
||||
* so cannot be displayed correctly in a browser. In other words
|
||||
* it is not as strict as utf8_is_valid but it's faster. If you use
|
||||
* is to validate user input, you place yourself at the risk that
|
||||
* attackers will be able to inject 5 and 6 byte sequences (which
|
||||
* may or may not be a significant risk, depending on what you are
|
||||
* are doing)
|
||||
* Note: Does not pass five and six octet UTF-8 sequences anymore in
|
||||
* in the unit tests.
|
||||
* @see utf8_is_valid
|
||||
* @see http://www.php.net/manual/en/reference.pcre.pattern.modifiers.php#54805
|
||||
* @param string UTF-8 string to check
|
||||
* @return boolean TRUE if string is valid UTF-8
|
||||
* @package utf8
|
||||
* @subpackage validation
|
||||
*/
|
||||
function utf8_compliant($str)
|
||||
{
|
||||
if (strlen($str) == 0)
|
||||
return true;
|
||||
|
||||
// If even just the first character can be matched, when the /u
|
||||
// modifier is used, then it's valid UTF-8. If the UTF-8 is somehow
|
||||
// invalid, nothing at all will match, even if the string contains
|
||||
// some valid sequences
|
||||
return (preg_match('/^.{1}/us', $str, $ar) == 1);
|
||||
}
|
||||
Loading…
Reference in a new issue