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Code Issues Releases Wiki Activity

further checks on maximum storage length

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git-svn-id: file:///svn/phpbb/branches/phpBB-3_0_0@8667 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
2008-06-21 16:05:02 +00:00
parent b8647dc952
commit 11f27bee84
4 changed files with 43 additions and 20 deletions
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25
phpBB/includes/functions_content.php
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@@ -1066,8 +1066,16 @@ function extension_allowed($forum_id, $extension, &$extensions)
/**
* Truncates string while retaining special characters if going over the max length
* The default max length is 60 at the moment
* The maximum storage length is there to fit the string within the given length. The string may be further truncated due to html entities.
* For example: string given is 'a "quote"' (length: 9), would be a stored as 'a "quote"' (length: 19)
*
* @param string $string The text to truncate to the given length. String is specialchared.
* @param int $max_length Maximum length of string (multibyte character count as 1 char / Html entity count as 1 char)
* @param int $max_store_length Maximum character length of string (multibyte character count as 1 char / Html entity count as entity chars).
* @param bool $allow_reply Allow Re: in front of string
* @param string $append String to be appended
*/
function truncate_string($string, $max_length = 60, $allow_reply = true, $append = '')
function truncate_string($string, $max_length = 60, $max_store_length = 255, $allow_reply = true, $append = '')
{
$chars = array();
@@ -1090,6 +1098,21 @@ function truncate_string($string, $max_length = 60, $allow_reply = true, $append
$stripped = true;
}
// Due to specialchars, we may not be able to store the string...
if (utf8_strlen($string) > $max_store_length)
{
// let's split again, we do not want half-baked strings where entities are split
$_chars = utf8_str_split(htmlspecialchars_decode($string));
$chars = array_map('utf8_htmlspecialchars', $_chars);
do
{
array_pop($chars);
$string = implode('', $chars);
}
while (utf8_strlen($string) > $max_store_length || !sizeof($chars));
}
if ($strip_reply)
{
$string = 'Re: ' . $string;