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[ticket/9669] Add native Normalizer support

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PHP 5.3 includes the previous pecl extension "intl" which has a native
UTF-8 normalizer.

PHPBB3-9669
This commit is contained in:
Igor Wiedler 2010-04-24 15:42:29 +02:00
parent e8def259ef
commit e8cc26e79c
1 changed files with 77 additions and 32 deletions
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61
phpBB/includes/utf/utf_tools.php
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@ -1712,15 +1712,17 @@ function utf8_case_fold_nfc($text, $option = 'full')
return $text;
}
/**
* 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 $strings a string or an array of strings to normalize
* @return mixed the normalized content, preserving array keys if array given.
*/
function utf8_normalize_nfc($strings)
if (!extension_loaded('intl'))
{
/**
* 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 $strings a string or an array of strings to normalize
* @return mixed the normalized content, preserving array keys if array given.
*/
function utf8_normalize_nfc($strings)
{
if (empty($strings))
{
return $strings;
@ -1755,6 +1757,49 @@ function utf8_normalize_nfc($strings)
}
return $strings;
}
}
else
{
/**
* wrapper around PHP's native normalizer from intl
* previously a PECL extension, included in the core since PHP 5.3.0
* http://php.net/manual/en/normalizer.normalize.php
*
* @param mixed $strings a string or an array of strings to normalize
* @return mixed the normalized content, preserving array keys if array given.
*/
function utf8_normalize_nfc($strings)
{
if (empty($strings))
{
return $strings;
}
if (!is_array($strings))
{
$strings = Normalizer::normalize($strings);
}
if (is_array($strings))
{
foreach ($strings as $key => $string)
{
if (is_array($string))
{
foreach ($string as $_key => $_string)
{
$strings[$key][$_key] = Normalizer::normalize($strings[$key][$_key]);
}
}
else
{
$strings[$key] = Normalizer::normalize($strings[$key]);
}
}
}
return $strings;
}
}
/**