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[ticket/9970] Check whether language pack is installed.

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PHPBB3-9970
This commit is contained in:
Andreas Fischer 2011-03-06 23:47:47 +01:00
parent f7723b3e95
commit 405ef39828
1 changed files with 14 additions and 19 deletions
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33
phpBB/includes/functions_user.php
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@ -1422,33 +1422,28 @@ function validate_match($string, $optional = false, $match = '')
}
/**
* Validate Language string
* Validate Language Pack ISO Name
*
* Tests whether a language string is valid and exists on the disk
* This is the same criteria used to determine whether to include it or not.
* Tests whether a language name is valid and installed
*
* @param $lang - The language string to test
* @param string $lang The language string to test
*
* @return boolean|string Either false if validation succeeded or a string which will be used as the error message (with the variable name appended)
* @return bool|string Either false if validation succeeded or
* a string which will be used as the error message
* (with the variable name appended)
*/
function validate_language($lang)
{
global $phpbb_root_path;
global $db;
// Note: Two language strings are identical here because the English
// version "Language you specified is not valid" is correct for both
// cases
if (!preg_match('#^[a-z_\-]{2,}$#i', $lang))
{
return 'WRONG_DATA';
}
$sql = 'SELECT lang_id
FROM ' . LANG_TABLE . "
WHERE lang_iso = '" . $db->sql_escape($lang) . "'";
$result = $db->sql_query($sql);
$lang_id = (int) $db->sql_fetchfield('lang_id');
$db->sql_freeresult($result);
if (!file_exists($phpbb_root_path . 'language/' . $lang . '/'))
{
return 'WRONG_DATA';
}
return false;
return ($lang_id) ? false : 'WRONG_DATA';
}
/**