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n0aX
Smarty Rookie
Joined: 24 Jan 2011
Posts: 22
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 Posted: Mon Jan 24, 2011 3:52 pm Post subject: modifier.lower/upper fix for Smarty 3.0+ and iso-8859-9 |
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Those, who need to use turkish charset, are well-aware of the annoying problem about "I"-> "ı", "İ"->"i" in every programming aspect (ie css capitalize, php mb_strtolower)
So far, with the change of modifiers in Smarty3.0, modifier.lower.php is replaced by modifiercompiler.lower.php, which invokes problem about converting "I"->"ı" and "İ"->"i" and as the variable you need to lowercase is stored as smarty variable, it is not so easy to fix it. - as far as in my case and in my knowledge.
Here's what I came up with.
1) rename your plugins/modifiercompiler.lower.php to plugins/bak_modifiercompiler.lower.php
2) create a new file plugins/modifier.lower.php (be sure to set encoding to UTF8 without BOM - in notepad++ you can do it easily by Edit)
3) Here's the code for modifier.lower.php
| Code: |
<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* Smarty lower modifier plugin
*
* Type: modifier
* Name: lower
* Purpose: convert string to lowercase
* @link http://smarty.php.net/manual/en/language.modifier.lower.php
* lower (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com>
* @author n0aX <insomnis at gmail dot com>
* @param string
* @return string
*/
function smarty_modifier_lower($string)
{
if (function_exists('mb_strtolower'))
{
if (! function_exists('mb_str_replace'))
{
function mb_str_replace($needles, $replacements, $haystack)
{
$rep = (array) $replacements;
foreach ( (array) $needles as $key => $needle )
{
$replacement = $rep[$key];
$needle_len = mb_strlen($needle);
$replacement_len = mb_strlen($replacement);
$pos = mb_strpos($haystack, $needle, 0);
while($pos !== false)
{
$haystack = mb_substr($haystack, 0, $pos) . $replacement . mb_substr($haystack, $pos + $needle_len);
$pos = mb_strpos($haystack, $needle, $pos + $replacement_len);
}
}
return $haystack;
}
}
if (mb_detect_encoding($string, 'UTF-8, ISO-8859-1') === 'UTF-8')
{
$string = mb_str_replace(array('İ','I'), array('i','ı'), $string);
return mb_strtolower($string, 'UTF-8');
}
else
{
return strtolower($string);
}
}
else
{
return strtolower($string);
}
}
?>
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4) Save your file.
5) Same can be applied to upper version.
Open for opinions and discussions.
See ya in cyberspace,
n0aX |
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rodneyrehm
Administrator
Joined: 30 Mar 2007
Posts: 674
Location: Germany, border to Switzerland
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| Posted: Mon Jan 24, 2011 7:42 pm Post subject: |
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I just looked up the characters in question:
I - U+0049 - latin capital letter i
i - U+0069 - latin small letter i
İ - U+0130 - latin capital letter i with dot above
ı - U+0131 - latin small letter dotless i
Lowercase according to unicode:
İ - U+0130 -> i - U+0069
I - U+0049 -> i - U+0069
So according to the unicode table both I and İ define i as their lower case representation.
If I were in your shoes, I'd probably rather build a new modifier to fix Turkish Characters than meddle with the standard compliant ones. So in my opinion your solution should look somewhat like {$var|lower_turkish|lower}. |
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