chamilo-lms/main/admin/sub_language_ajax.inc.php

<?php
/* For licensing terms, see /license.txt */
$language_file = 'admin';
require_once '../inc/global.inc.php';
require_once 'sub_language.class.php';

api_protect_admin_script();

$new_language		= Security::remove_XSS($_REQUEST['new_language']);
$language_variable	= Security::remove_XSS($_REQUEST['variable_language']);
$file_id			= intval($_REQUEST['file_id']);

if (isset($new_language) && isset($language_variable) && isset($file_id)) {
	$file_language           = $language_files_to_load[$file_id].'.inc.php';	
	$id_language             = intval($_REQUEST['id']);
	$sub_language_id         = intval($_REQUEST['sub']);
	$all_data_of_language    = SubLanguageManager::get_all_information_of_sub_language($id_language, $sub_language_id);
	
	$path_folder             = api_get_path(SYS_LANG_PATH).$all_data_of_language['dokeos_folder'].'/'.$file_language;
	$all_file_of_directory   = SubLanguageManager::get_all_language_variable_in_file($path_folder);
	$return_value            = SubLanguageManager::add_file_in_language_directory($path_folder);
	
	//update variable language
    $new_language = str_replace('"', '\"',$new_language);    
	$all_file_of_directory[$language_variable]="\"".api_convert_encoding($new_language, api_get_system_encoding(),'UTF-8')."\";";
    $result_array = array();
    
	foreach ($all_file_of_directory as $key_value=>$value_info) {
		$result_array[$key_value] = SubLanguageManager::write_data_in_file($path_folder, $value_info, $key_value);
	}
	$variables_with_problems = '';
	if (!empty($result_array)) {
        foreach($result_array as $key =>$result) {
            if ($result == false) {
    	        $variables_with_problems .=$key.' <br />';
            }             
    	}
	}	
	if (!empty($variables_with_problems)) {
	    echo $path_folder.' '.get_lang('IsNotWritable').'<br /> '.api_ucwords(get_lang('ErrorsFound')).': <br />'.$variables_with_problems;
	} else {
	    echo 1;
	}	
}