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schildi
Smarty Regular
Joined: 11 Mar 2005
Posts: 81
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 Posted: Tue Jul 01, 2008 7:20 am Post subject: truncate and utf-8 |
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truncate does not work correct with utf-8 encoded strings.
example:
{assign var="test" value="Ö-Umlaut"}
{$test|truncate:1:"":true|upper|rawurlencode}
{assign var="test" value="Ö"}
{$test|upper|rawurlencode}
{$test|rawurlencode}
display:
%C3
%C3%96
%C3%96
==> truncate cuts off the utf-8-encoded character.
please post your fix, as soon you have one. i tried the u-modifier within the preg_replace function, but thats not the cause in this case.. |
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schildi
Smarty Regular
Joined: 11 Mar 2005
Posts: 81
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| Posted: Tue Jul 01, 2008 7:36 am Post subject: fast fix |
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just a fast fix, NOT seriously tested:
| Code: |
<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* Smarty truncate modifier plugin
*
* Type: modifier<br>
* Name: truncate<br>
* Purpose: Truncate a string to a certain length if necessary,
* optionally splitting in the middle of a word, and
* appending the $etc string or inserting $etc into the middle.
* @link http://smarty.php.net/manual/en/language.modifier.truncate.php
* truncate (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com>
* @param string
* @param integer
* @param string
* @param boolean
* @param boolean
* @return string
*/
function smarty_utf8_substr($str,$from,$len){
# utf8 substr
# www.yeap.lv
return preg_replace('#^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$from.'}'.
'((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$len.'}).*#s',
'$1',$str);
}
function smarty_modifier_truncate($string, $length = 80, $etc = '...',
$break_words = false, $middle = false)
{
if ($length == 0)
return '';
if (strlen(utf8_decode($string)) > $length) {
$length -= strlen(utf8_decode($etc));
if (!$break_words && !$middle) {
$string = preg_replace('/\s+?(\S+)?$/u', '', smarty_utf8_substr($string, 0, $length+1));
}
if(!$middle) {
return smarty_utf8_substr($string, 0, $length).$etc;
} else {
return smarty_utf8_substr($string, 0, $length/2) . $etc . smarty_utf8_substr($string, -$length/2);
}
} else {
return $string;
}
}
/* vim: set expandtab: */
?>
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Cybril
Smarty n00b
Joined: 03 Jul 2008
Posts: 1
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| Posted: Thu Jul 03, 2008 2:20 am Post subject: |
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| I can't get truncate to work at all - I get the error message 'unknown filter type truncate' - can anyone help? |
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