From c10a66fdee74ec383f106f70ebd85147bbbfcc76 Mon Sep 17 00:00:00 2001 From: Ralf Becker Date: Sat, 24 Jun 2006 17:47:41 +0000 Subject: [PATCH] fix for some situations in setup --- phpgwapi/inc/class.translation.inc.php | 796 +++++++++++++++++++++++++ 1 file changed, 796 insertions(+) create mode 100644 phpgwapi/inc/class.translation.inc.php diff --git a/phpgwapi/inc/class.translation.inc.php b/phpgwapi/inc/class.translation.inc.php new file mode 100644 index 0000000000..2149422c4e --- /dev/null +++ b/phpgwapi/inc/class.translation.inc.php @@ -0,0 +1,796 @@ + * + * and Dan Kuykendall * + * Handles multi-language support use SQL tables * + * Copyright (C) 2000, 2001 Joseph Engo * + * ------------------------------------------------------------------------ * + * This library is part of the eGroupWare API * + * http://www.egroupware.org/api * + * ------------------------------------------------------------------------ * + * This library is free software; you can redistribute it and/or modify it * + * under the terms of the GNU Lesser General Public License as published by * + * the Free Software Foundation; either version 2.1 of the License, * + * or any later version. * + * This library is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * + * See the GNU Lesser General Public License for more details. * + * You should have received a copy of the GNU Lesser General Public License * + * along with this library; if not, write to the Free Software Foundation, * + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * + \**************************************************************************/ + + /* $Id$ */ + + // define the maximal length of a message_id, all message_ids have to be unique + // in this length, our column is varchar 128 + if (!defined('MAX_MESSAGE_ID_LENGTH')) + { + define('MAX_MESSAGE_ID_LENGTH',128); + } + // some constanst for pre php4.3 + if (!defined('PHP_SHLIB_SUFFIX')) + { + define('PHP_SHLIB_SUFFIX',strtoupper(substr(PHP_OS, 0,3)) == 'WIN' ? 'dll' : 'so'); + } + if (!defined('PHP_SHLIB_PREFIX')) + { + define('PHP_SHLIB_PREFIX',PHP_SHLIB_SUFFIX == 'dll' ? 'php_' : ''); + } + + class translation + { + var $userlang = 'en'; + var $loaded_apps = array(); + var $line_rejected = array(); + var $lang_array = array(); + var $lang_table = 'egw_lang'; + var $languages_table = 'egw_languages'; + var $config_table = 'egw_config'; + var $db; + + /** + * Constructor, sets up a copy of the db-object, gets the system-charset and tries to load the mbstring extension + */ + function translation($warnings = False) + { + for ($i = 1; $i <= 9; $i++) + { + $this->placeholders[] = '%'.$i; + } + $this->db = is_object($GLOBALS['egw']->db) ? $GLOBALS['egw']->db : $GLOBALS['egw_setup']->db; + if (is_object($this->db)) $this->db->set_app('phpgwapi'); + + if (!isset($GLOBALS['egw_setup'])) + { + $this->system_charset = @$GLOBALS['egw_info']['server']['system_charset']; + } + else + { + $this->system_charset =& $GLOBALS['egw_setup']->system_charset; + } + // load multi-byte-string-extension if needed, and set its internal encodeing to your system_charset + if ($this->system_charset && substr($this->system_charset,0,9) != 'iso-8859-1') + { + if ($this->mbstring = extension_loaded('mbstring') || @dl(PHP_SHLIB_PREFIX.'mbstring.'.PHP_SHLIB_SUFFIX)) + { + ini_set('mbstring.internal_encoding',$this->system_charset); + if (ini_get('mbstring.func_overload') < 7) + { + if ($warnings) + { + echo "

Warning: Please set mbstring.func_overload = 7 in your php.ini for useing $this->system_charset as your charset !!!

\n"; + } + } + } + else + { + if ($warnings) + { + echo "

Warning: Please get and/or enable the mbstring extension in your php.ini for useing $this->system_charset as your charset, we are defaulting to iconv for now !!!

\n"; + } + } + } + } + + /** + * returns the charset to use (!$lang) or the charset of the lang-files or $lang + * + * @param string/boolean $lang=False return charset of the active user-lang, or $lang if specified + * @return string charset + */ + function charset($lang=False) + { + if ($lang) + { + if (!isset($this->charsets[$lang])) + { + $this->db->select($this->lang_table,'content',array( + 'lang' => $lang, + 'message_id'=> 'charset', + 'app_name' => 'common', + ),__LINE__,__FILE__); + $this->charsets[$lang] = $this->db->next_record() ? strtolower($this->db->f(0)) : 'iso-8859-1'; + } + return $this->charsets[$lang]; + } + if ($this->system_charset) // do we have a system-charset ==> return it + { + $charset = $this->system_charset; + } + else + { + // if no translations are loaded (system-startup) use a default, else lang('charset') + $charset = !is_array(@$this->lang_arr) ? 'iso-8859-1' : strtolower($this->translate('charset')); + } + // we need to set our charset as mbstring.internal_encoding if mbstring.func_overlaod > 0 + // else we get problems for a charset is different from the default utf-8 + if (ini_get('mbstring.func_overload') && $this->mbstring_internal_encoding != $charset) + { + ini_set('mbstring.internal_encoding',$this->mbstring_internal_encoding = $charset); + } + return $charset; + } + + /** + * Initialises global lang-array and loads the 'common' and app-spec. translations + */ + function init() + { + if (!is_array(@$this->lang_arr)) + { + $this->lang_arr = array(); + } + + if ($GLOBALS['egw_info']['user']['preferences']['common']['lang']) + { + $this->userlang = $GLOBALS['egw_info']['user']['preferences']['common']['lang']; + } + $this->add_app('common'); + if (!count($this->lang_arr)) + { + $this->userlang = 'en'; + $this->add_app('common'); + } + $this->add_app($GLOBALS['egw_info']['flags']['currentapp']); + } + + /** + * translates a phrase and evtl. substitute some variables + * + * @param string $key phrase to translate, may contain placeholders %N (N=1,2,...) for vars + * @param array/boolean $vars=false vars to replace the placeholders, or false for none + * @param string $not_found='*' what to add to not found phrases, default '*' + * @return string with translation + */ + function translate($key, $vars=false, $not_found='*' ) + { + if (!is_array(@$this->lang_arr) || !count($this->lang_arr)) + { + $this->init(); + } + $ret = $key.$not_found; // save key if we dont find a translation + + if (isset($this->lang_arr[$key])) + { + $ret = $this->lang_arr[$key]; + } + else + { + $new_key = strtolower(trim(substr($key,0,MAX_MESSAGE_ID_LENGTH))); + + if (isset($this->lang_arr[$new_key])) + { + // we save the original key for performance + $ret = $this->lang_arr[$key] =& $this->lang_arr[$new_key]; + } + } + if (is_array($vars) && count($vars)) + { + if (count($vars) > 1) + { + $ret = str_replace($this->placeholders,$vars,$ret); + } + else + { + $ret = str_replace('%1',$vars[0],$ret); + } + } + return $ret; + } + + /** + * adds translations for an application from the database to the lang-array + * + * @param string $app name of the application to add (or 'common' for the general translations) + * @param string/boolean $lang=false 2 or 5 char lang-code or false for the users language + */ + function add_app($app,$lang=False) + { + $lang = $lang ? $lang : $this->userlang; + + if (!isset($this->loaded_apps[$app]) || $this->loaded_apps[$app] != $lang) + { + if ($app == 'setup') return $this->add_setup($lang); + + $this->db->select($this->lang_table,'message_id,content',array( + 'lang' => $lang, + 'app_name' => $app, + ),__LINE__,__FILE__); + while ($this->db->next_record()) + { + $this->lang_arr[strtolower ($this->db->f('message_id'))] = $this->db->f('content'); + } + $this->loaded_apps[$app] = $lang; + } + } + + /** + * Adds setup's translations, they are not in the DB! + * + * @param string $lang 2 or 5 char lang-code + */ + function add_setup($lang) + { + $fn = EGW_SERVER_ROOT.'/setup/lang/phpgw_' . $lang . '.lang'; + if (!file_exists($fn)) + { + $fn = EGW_SERVER_ROOT.'/setup/lang/phpgw_en.lang'; + } + if (file_exists($fn)) + { + $fp = fopen($fn,'r'); + while ($data = fgets($fp,8000)) + { + // explode with "\t" and removing "\n" with str_replace, needed to work with mbstring.overload=7 + list($message_id,,,$content) = explode("\t",$data); + $phrases[strtolower(trim($message_id))] = str_replace("\n",'',$content); + } + fclose($fp); + + foreach($phrases as $message_id => $content) + { + $this->lang_arr[$message_id] = $this->convert($content,$phrases['charset']); + } + } + $this->loaded_apps['setup'] = $lang; + } + /** + * returns a list of installed langs + * + * @param boolean $force_read=false force a re-read of the languages + * @return array with lang-code => descriptiv lang-name pairs + */ + function get_installed_langs($force_read=false) + { + if (!is_array($this->langs) || $force_read) + { + $this->langs = array(); + $this->db->select($this->lang_table,'DISTINCT lang,lang_name','lang = lang_id',__LINE__,__FILE__, + false,'',false,0,','.$this->languages_table); + if (!$this->db->num_rows()) + { + return False; + } + while ($this->db->next_record()) + { + $this->langs[$this->db->f('lang')] = $this->db->f('lang_name'); + } + foreach($this->langs as $lang => $name) + { + $this->langs[$lang] = $this->translate($name,False,''); + } + uasort($this->langs,'strcasecmp'); + } + return $this->langs; + } + + /** + * translates a 2 or 5 char lang-code into a (verbose) language + * + * @param string $lang + * @return string/false language or false if not found + */ + function lang2language($lang) + { + if (isset($this->langs[$lang])) // no need to query the DB + { + return $this->langs[$lang]; + } + $this->db->select($this->languages_table,'lang_name',array('lang_id' => $lang),__LINE__,__FILE__); + + return $this->db->next_record() ? $this->db->f('lang_name') : false; + } + + /** + * List all languages, first the installed ones, then the availible ones and last the rest + * + * @return array with lang_id => lang_name pairs + */ + function list_langs() + { + $languages = $this->get_installed_langs(); // used translated installed languages + + $availible = array(); + $f = fopen(EGW_SERVER_ROOT.'/setup/lang/languages','rb'); + while($line = fgets($f,200)) + { + list($id,$name) = explode("\t",$line); + $availible[] = trim($id); + } + fclose($f); + $availible = "('".implode("','",$availible)."')"; + + // this shows first the installed, then the available and then the rest + $this->db->select($this->languages_table,array( + 'lang_id','lang_name', + "CASE WHEN lang_id IN $availible THEN 1 ELSE 0 END AS availible", + ),"lang_id NOT IN ('".implode("','",array_keys($languages))."')",__LINE__,__FILE__,false,' ORDER BY availible DESC,lang_name'); + + while (($row = $this->db->row(true))) + { + $languages[$row['lang_id']] = $row['lang_name']; + } + return $languages; + } + + /** + * returns a list of installed charsets + * + * @return array with charset as key and comma-separated list of langs useing the charset as data + */ + function get_installed_charsets() + { + if (!is_array($this->charsets)) + { + $this->get_installed_langs(); + + $distinct = $this->db->capabilities['distinct_on_text'] ? 'DISTINCT' : ''; + $this->db->select($this->lang_table,$distinct.' lang,lang_name,content AS charset',array( + 'message_id' => 'charset', + ),__LINE__,__FILE__,false,'',false,0,",$this->languages_table WHERE lang = lang_id"); + if (!$this->db->num_rows()) + { + return False; + } + while ($this->db->next_record()) + { + $data = &$this->charsets[$charset = strtolower($this->db->f('charset'))]; + $lang = $this->langs[$this->db->f('lang')].' ('.$this->db->f('lang').')'; + if ($distinct || strstr($data,$lang) === false) + { + $data .= ($data ? ', ' : $charset.': ').$lang; + } + } + } + return $this->charsets; + } + + /** + * converts a string $data from charset $from to charset $to + * + * @param string/array $data string(s) to convert + * @param string/boolean $from charset $data is in or False if it should be detected + * @param string/boolean $to charset to convert to or False for the system-charset the converted string + * @return string/array converted string(s) from $data + */ + function convert($data,$from=False,$to=False) + { + if (is_array($data)) + { + foreach($data as $key => $str) + { + $ret[$key] = $this->convert($str,$from,$to); + } + return $ret; + } + + if ($from) + { + $from = strtolower($from); + } + if ($to) + { + $to = strtolower($to); + } + + if (!$from) + { + $from = $this->mbstring ? strtolower(mb_detect_encoding($data)) : 'iso-8859-1'; + if($from == 'ascii') + { + $from = 'iso-8859-1'; + } + //echo "

autodetected charset of '$data' = '$from'

\n"; + } + /* + php does not seem to support gb2312 + but seems to be able to decode it as EUC-CN + */ + switch($from) + { + case 'gb2312': + case 'gb18030': + $from = 'EUC-CN'; + break; + case 'us-ascii': + case 'macroman': + $from = 'iso-8859-1'; + break; + } + if (!$to) + { + $to = $this->charset(); + } + if ($from == $to || !$from || !$to || !$data) + { + return $data; + } + if ($from == 'iso-8859-1' && $to == 'utf-8') + { + return utf8_encode($data); + } + if ($to == 'iso-8859-1' && $from == 'utf-8') + { + return utf8_decode($data); + } + if ($this->mbstring) + { + return @mb_convert_encoding($data,$to,$from); + } + if(function_exists('iconv')) + { + if($from=='EUC-CN') $from='gb18030'; + // the above is to workaround patch #962307 + // if using EUC-CN, for iconv it strickly follow GB2312 and fail + // in an email on the first Traditional/Japanese/Korean character, + // but in reality when people send mails in GB2312, UMA mostly use + // extended GB13000/GB18030 which allow T/Jap/Korean characters. + if (($data = iconv($from,$to,$data))) + { + return $data; + } + } + #die("

Can't convert from charset '$from' to '$to' without the mbstring extension !!!

"); + + // this is not good, not convert did succed + return $data; + } + + /** + * installs translations for the selected langs into the database + * + * @param array $langs langs to install (as data NOT keys (!)) + * @param string $upgrademethod='dumpold' 'dumpold' (recommended & fastest), 'addonlynew' languages, 'addmissing' phrases + * @param string/boolean $only_app=false app-name to install only one app or default false for all + */ + function install_langs($langs,$upgrademethod='dumpold',$only_app=False) + { + @set_time_limit(0); // we might need some time + //echo "

translation_sql::install_langs(".print_r($langs,true).",'$upgrademthod','$only_app')

\n"; + if (!isset($GLOBALS['egw_info']['server']) && $upgrademethod != 'dumpold') + { + $this->db->select($this->config_table,'config_value',array( + 'config_app' => 'phpgwapi', + 'config_name' => 'lang_ctimes', + ),__LINE__,__FILE__); + if ($this->db->next_record()) + { + $GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize(stripslashes($this->db->f('config_value'))); + } + } + + if (!is_array($langs) || !count($langs)) + { + return; + } + $this->db->transaction_begin(); + + if ($upgrademethod == 'dumpold') + { + // dont delete the custom main- & loginscreen messages every time + $this->db->delete($this->lang_table,array("app_name!='mainscreen'","app_name!='loginscreen'"),__LINE__,__FILE__); + //echo '
Test: dumpold'; + $GLOBALS['egw_info']['server']['lang_ctimes'] = array(); + } + foreach($langs as $lang) + { + //echo '
Working on: ' . $lang; + $addlang = False; + if ($upgrademethod == 'addonlynew') + { + //echo "
Test: addonlynew - select count(*) from egw_lang where lang='".$lang."'"; + $this->db->select($this->lang_table,'COUNT(*)',array( + 'lang' => $lang, + ),__LINE__,__FILE__); + $this->db->next_record(); + + if ($this->db->f(0) == 0) + { + //echo '
Test: addonlynew - True'; + $addlang = True; + } + } + if ($addlang && $upgrademethod == 'addonlynew' || $upgrademethod != 'addonlynew') + { + //echo '
Test: loop above file()'; + if (!is_object($GLOBALS['egw_setup'])) + { + $GLOBALS['egw_setup'] =& CreateObject('setup.setup'); + $GLOBALS['egw_setup']->db = clone($this->db); + } + $setup_info = $GLOBALS['egw_setup']->detection->get_versions(); + $setup_info = $GLOBALS['egw_setup']->detection->get_db_versions($setup_info); + $raw = array(); + $apps = $only_app ? array($only_app) : array_keys($setup_info); + // Visit each app/setup dir, look for a egw_lang file + foreach($apps as $app) + { + $appfile = EGW_SERVER_ROOT . SEP . $app . SEP . 'setup' . SEP . 'phpgw_' . strtolower($lang) . '.lang'; + //echo '
Checking in: ' . $app; + if($GLOBALS['egw_setup']->app_registered($app) && file_exists($appfile)) + { + //echo '
Including: ' . $appfile; + $lines = file($appfile); + foreach($lines as $line) + { + // explode with "\t" and removing "\n" with str_replace, needed to work with mbstring.overload=7 + list($message_id,$app_name,,$content) = $_f_buffer = explode("\t",$line); + $content=str_replace(array("\n","\r"),'',$content); + if( count($_f_buffer) != 4 ) + { + $line_display = str_replace(array("\t","\n"), + array("\\t","\\n"), $line); + $this->line_rejected[] = array( + 'appfile' => $appfile, + 'line' => $line_display, + ); + } + $message_id = substr(strtolower(chop($message_id)),0,MAX_MESSAGE_ID_LENGTH); + $app_name = chop($app_name); + $raw[$app_name][$message_id] = $content; + } + if ($GLOBALS['egw_info']['server']['lang_ctimes'] && !is_array($GLOBALS['egw_info']['server']['lang_ctimes'])) + { + $GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize($GLOBALS['egw_info']['server']['lang_ctimes']); + } + $GLOBALS['egw_info']['server']['lang_ctimes'][$lang][$app] = filectime($appfile); + } + } + $charset = strtolower(@$raw['common']['charset'] ? $raw['common']['charset'] : $this->charset($lang)); + //echo "

lang='$lang', charset='$charset', system_charset='$this->system_charset')

\n"; + //echo "

raw($lang)=

".print_r($raw,True)."
\n"; + foreach($raw as $app_name => $ids) + { + foreach($ids as $message_id => $content) + { + if ($this->system_charset) + { + $content = $this->convert($content,$charset,$this->system_charset); + } + $addit = False; + //echo '
APPNAME:' . $app_name . ' PHRASE:' . $message_id; + if ($upgrademethod == 'addmissing') + { + //echo '
Test: addmissing'; + $this->db->select($this->lang_table,"content,CASE WHEN app_name IN ('common') THEN 1 ELSE 0 END AS in_api",array( + 'message_id' => $message_id, + 'lang' => $lang, + $this->db->expression($this->lang_table,'(',array( + 'app_name' => $app_name + )," OR app_name='common') ORDER BY in_api DESC")),__LINE__,__FILE__); + + if (!($row = $this->db->row(True))) + { + $addit = True; + } + else + { + if ($row['in_api']) // same phrase is in the api + { + $addit = $row['content'] != $content; // only add if not identical + } + $row2 = $this->db->row(True); + if (!$row['in_api'] || $app_name=='common' || $row2) // phrase is alread in the db + { + $addit = $content != ($row2 ? $row2['content'] : $row['content']); + if ($addit) // if we want to add/update it ==> delete it + { + $this->db->delete($this->lang_table,array( + 'message_id' => $message_id, + 'lang' => $lang, + 'app_name' => $app_name, + ),__LINE__,__FILE__); + } + } + } + } + + if ($addit || $upgrademethod == 'addonlynew' || $upgrademethod == 'dumpold') + { + if($message_id && $content) + { + // echo "
adding - insert into egw_lang values ('$message_id','$app_name','$lang','$content')"; + $result = $this->db->insert($this->lang_table,array( + 'message_id' => $message_id, + 'app_name' => $app_name, + 'lang' => $lang, + 'content' => $content, + ),False,__LINE__,__FILE__); + + if ((int)$result <= 0) + { + echo "
Error inserting record: egw_lang values ('$message_id','$app_name','$lang','$content')"; + } + } + } + } + } + } + } + $this->db->transaction_commit(); + + // update the ctimes of the installed langsfiles for the autoloading of the lang-files + // + $config = CreateObject('phpgwapi.config'); + $config->save_value('lang_ctimes',$GLOBALS['egw_info']['server']['lang_ctimes'],'phpgwapi'); + } + + /** + * re-loads all (!) langfiles if one langfile for the an app and the language of the user has changed + */ + function autoload_changed_langfiles() + { + //echo "

check_langs()

\n"; + if ($GLOBALS['egw_info']['server']['lang_ctimes'] && !is_array($GLOBALS['egw_info']['server']['lang_ctimes'])) + { + $GLOBALS['egw_info']['server']['lang_ctimes'] = unserialize($GLOBALS['egw_info']['server']['lang_ctimes']); + } + //_debug_array($GLOBALS['egw_info']['server']['lang_ctimes']); + + $lang = $GLOBALS['egw_info']['user']['preferences']['common']['lang']; + $apps = $GLOBALS['egw_info']['user']['apps']; + $apps['phpgwapi'] = True; // check the api too + foreach($apps as $app => $data) + { + $fname = EGW_SERVER_ROOT . "/$app/setup/phpgw_$lang.lang"; + + if (file_exists($fname)) + { + $ctime = filectime($fname); + /* This is done to avoid string offset error at least in php5 */ + $tmp = $GLOBALS['egw_info']['server']['lang_ctimes'][$lang]; + $ltime = (int)$tmp[$app]; + unset($tmp); + //echo "checking lang='$lang', app='$app', ctime='$ctime', ltime='$ltime'
\n"; + + if ($ctime != $ltime) + { + // update all langs + $installed = $this->get_installed_langs(); + //echo "

install_langs(".print_r($installed,True).")

\n"; + $this->install_langs($installed ? array_keys($installed) : array()); + break; + } + } + } + } + + /* Following functions are called for app (un)install */ + + /** + * gets array of installed languages, e.g. array('de','en') + * + * @param boolean $DEBUG=false debug messages or not, default not + * @return array with installed langs + */ + function get_langs($DEBUG=False) + { + if($DEBUG) + { + echo '
get_langs(): checking db...' . "\n"; + } + if (!$this->langs) + { + $this->get_installed_langs(); + } + return $this->langs ? array_keys($this->langs) : array(); + } + + /** + * delete all lang entries for an application, return True if langs were found + * + * @param $appname app_name whose translations you want to delete + * @param boolean $DEBUG=false debug messages or not, default not + * @return boolean true if $appname had translations installed, false otherwise + */ + function drop_langs($appname,$DEBUG=False) + { + if($DEBUG) + { + echo '
drop_langs(): Working on: ' . $appname; + } + $this->db->select($this->lang_table,'COUNT(message_id)',array( + 'app_name' => $appname + ),__LINE__,__FILE__); + + if($this->db->next_record() && $this->db->f(0)) + { + $this->db->delete($this->lang_table,array( + 'app_name' => $appname + ),__LINE__,__FILE__); + return True; + } + return False; + } + + /** + * process an application's lang files, calling get_langs() to see what langs the admin installed already + * + * @param string $appname app_name of application to process + * @param boolean $DEBUG=false debug messages or not, default not + * @param array/boolean $force_langs=false array with langs to install anyway (beside the allready installed ones), or false for none + */ + function add_langs($appname,$DEBUG=False,$force_langs=False) + { + $langs = $this->get_langs($DEBUG); + if(is_array($force_langs)) + { + foreach($force_langs as $lang) + { + if (!in_array($lang,$langs)) + { + $langs[] = $lang; + } + } + } + + if($DEBUG) + { + echo '
add_langs(): chose these langs: '; + _debug_array($langs); + } + + $this->install_langs($langs,'addmissing',$appname); + } + + /** + * insert/update one phrase in the lang-table + * + * @param string $lang + * @param string $app_name + * @param string $message_id + * @param string $content + */ + function write($lang,$app_name,$message_id,$content) + { + $this->db->insert($this->lang_table,array( + 'content' => $content, + ),array( + 'lang' => $lang, + 'app_name' => $app_name, + 'message_id' => $message_id, + ),__LINE__,__FILE__); + } + + /** + * read one phrase from the lang-table + * + * @param string $lang + * @param string $app_name + * @param string $message_id + * @return string/boolean content or false if not found + */ + function read($lang,$app_name,$message_id) + { + $this->db->select($this->lang_table,'content',array( + 'lang' => $lang, + 'app_name' => $app_name, + 'message_id' => $message_id, + ),__LINE__,__FILE__); + + return $this->db->next_record() ? $this->db->f('content') : false; + } + }