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git-svn-id: file:///svn/phpbb/trunk@6569 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Nils Adermann
2006-11-12 14:29:32 +00:00
parent fa9d7e4ab4
commit cf34efb06c
14 changed files with 98 additions and 11 deletions
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45
phpBB/includes/utf/utf_tools.php
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@@ -930,15 +930,52 @@ function utf8_case_fold($text, $option = 'full')
}
/**
* @todo needs documenting
* A wrapper function for the normalizer which takes care of including the class if required and modifies the passed strings
* to be in NFC (Normalization Form Composition).
*
* @param mixed $strings Either an array of references to strings, a reference to an array of strings or a reference to a single string
*/
function utf8_normalize_nfc($strings)
{
if (!is_array($strings) || (sizeof($strings) > 0))
{
if (!class_exists('utf_normalizer'))
{
global $phpbb_root_path, $phpEx;
include($phpbb_root_path . 'includes/utf/utf_normalizer.' . $phpEx);
}
if (is_array($strings))
{
foreach ($strings as $key => $string)
{
$strings[$key] = utf_normalizer::nfc($strings[$key]);
}
}
else
{
$strings = utf_normalizer::nfc($strings);
}
}
}
/**
* This function is used to generate a "clean" version of a string.
* Clean means that it is a case insensitive form (case folding) and that it is normalized (NFC).
* Additionally a homographs of one character are transformed into one specific character (preferably ASCII
* if it is an ASCII character).
*
* Please be aware that if you change something within this function or within
* functions used here you need to rebuild/update the complete users table.
* functions used here you need to rebuild/update the username_clean column in the users table. And all other
* columns that store a clean string otherwise you will break this functionality.
*
* @param $text An unclean string, mabye user input (has to be valid UTF-8!)
* @return Cleaned up version of the input string
*/
function utf8_clean_string($text)
{
$text = utf8_case_fold($text);
if (!class_exists('utf_normalizer'))
{
global $phpbb_root_path, $phpEx;
@@ -963,6 +1000,8 @@ function utf8_clean_string($text)
// greek
"\xCE\xB1" => "\x61",
"\xCE\xBF" => "\x6F",
// other
"\xC2\xA1" => "\x69",
);
$text = strtr($text, $homographs);