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Code Issues Releases Wiki Activity

Case folding! :D

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git-svn-id: file:///svn/phpbb/trunk@6464 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
David M
2006-10-07 22:51:55 +00:00
parent 6972d28633
commit 722ab535a6
5 changed files with 194 additions and 0 deletions
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44
phpBB/includes/utf/utf_tools.php
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@@ -930,4 +930,48 @@ function utf8_from_unicode($array)
return $str;
}
/**
* Takes an array of ints representing the Unicode characters and returns
* a UTF-8 string.
*
* @param string $text text to be case folded
* @param string $option determines how we will fold the cases
* @return string case folded text
*/
function utf8_case_fold($text, $option = 'full')
{
static $uniarray = array();
global $phpbb_root_path, $phpEx;
// common is always set
if (!isset($uniarray['C']))
{
$uniarray['C'] = include($phpbb_root_path . 'includes/utf/data/case_fold_C.' . $phpEx);
}
// only set full if we need to
if ($option === 'full' && !isset($uniarray['F']))
{
$uniarray['F'] = include($phpbb_root_path . 'includes/utf/data/case_fold_F.' . $phpEx);
}
// only set simple if we need to
if ($option !== 'full' && !isset($uniarray['S']))
{
$uniarray['S'] = include($phpbb_root_path . 'includes/utf/data/case_fold_S.' . $phpEx);
}
$text = strtr($text, $uniarray['C']);
if ($option === 'full')
{
$text = strtr($text, $uniarray['F']);
}
else
{
$text = strtr($text, $uniarray['S']);
}
return $text;
}
?>