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<?php |
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/* For licensing terms, see /license.txt */ |
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/** |
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* Class SubLanguageManager |
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* @package chamilo.admin.sublanguage |
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*/ |
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class SubLanguageManager |
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{ |
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/** |
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* Constructor |
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*/ |
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public function __construct() |
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{ |
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} |
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/** |
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* Get all the languages |
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* @return Array All information about sub-language |
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*/ |
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public static function getAllLanguages() |
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{ |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT * FROM ' . $table; |
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$rs = Database::query($sql); |
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$all_languages = []; |
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while ($row = Database::fetch_array($rs, 'ASSOC')) { |
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$all_languages[] = $row; |
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} |
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return $all_languages; |
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} |
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/** |
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* Get all files of lang folder (forum.inc.php,gradebook.inc.php,notebook.inc.php) |
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* @param String The lang path folder (/var/www/my_lms/main/lang/spanish) |
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* @param bool true if we only want the "subname" trad4all instead of trad4all.inc.php |
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* |
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* @return Array All file of lang folder |
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*/ |
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public static function get_lang_folder_files_list($path, $only_main_name = false) |
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{ |
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$content_dir = array(); |
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if (is_dir($path)) { |
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if ($dh = opendir($path)) { |
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while (($file = readdir($dh)) !== false) { |
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if ($file[0] <> '.' && substr($file, -4, strlen($file)) == '.php') { |
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if ($only_main_name) { |
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if ($file != '' && strpos($file, '.inc.php')) |
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$content_dir[] = substr($file, 0, strpos($file, '.inc.php')); |
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} else { |
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$content_dir[] = $file; |
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} |
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} |
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} |
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} |
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closedir($dh); |
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return $content_dir; |
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} |
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} |
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/** |
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* Get all information of sub-language |
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* @param Integer The parent id(Language father id) |
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* @param Integer The sub language id |
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* @return Array All information about sub-language |
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*/ |
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View Code Duplication |
public static function get_all_information_of_sub_language($parent_id, $sub_language_id) |
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{ |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT * FROM ' . $table . ' |
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WHERE |
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parent_id= ' . intval($parent_id).' AND |
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id= ' . intval($sub_language_id) . ''; |
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$rs = Database::query($sql); |
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$all_information = array(); |
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while ($row = Database::fetch_array($rs, 'ASSOC')) { |
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$all_information = $row; |
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} |
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return $all_information; |
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} |
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/** |
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* Get all information of language |
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* @param Integer The parent id(Language father id) |
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* @return Array All information about language |
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*/ |
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View Code Duplication |
public static function get_all_information_of_language($parent_id) |
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{ |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT * FROM ' . $table . ' WHERE id = "' . intval($parent_id) . '"'; |
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$rs = Database::query($sql); |
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$all_information = array(); |
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while ($row = Database::fetch_array($rs, 'ASSOC')) { |
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$all_information = $row; |
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} |
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return $all_information; |
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} |
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/** |
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* Get all information of chamilo file |
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* @param String The chamilo path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php) |
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* @patam Bool Whether we want to remove the '$' prefix in the results or not |
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* @return Array Contains all information of chamilo file |
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*/ |
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public static function get_all_language_variable_in_file($system_path_file, $get_as_string_index = false) |
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{ |
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$res_list = array(); |
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if (!is_readable($system_path_file)) { |
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return $res_list; |
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} |
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$info_file = file($system_path_file); |
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foreach ($info_file as $line) { |
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if (substr($line, 0, 1) != '$') { |
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continue; |
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} |
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list($var, $val) = split('=', $line, 2); |
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$var = trim($var); |
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$val = trim($val); |
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if ($get_as_string_index) { //remove the prefix $ |
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$var = substr($var, 1); |
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} |
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$res_list[$var] = $val; |
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} |
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return $res_list; |
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} |
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/** |
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* Add file in sub-language directory and add header(tag php) |
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* @param String The chamilo path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php) |
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* @return bool |
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*/ |
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public static function add_file_in_language_directory($system_path_file) |
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{ |
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$return_value = @file_put_contents($system_path_file, '<?php' . PHP_EOL); |
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return $return_value; |
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} |
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/** |
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* Write in file of sub-language |
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* @param String The path file (/var/www/chamilo/main/lang/spanish/gradebook.inc.php) |
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* @param String The new sub-language |
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* @param String The language variable |
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* @return Boolean True on success, False on error |
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*/ |
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public static function write_data_in_file($path_file, $new_term, $new_variable) |
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{ |
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$return_value = false; |
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$new_data = $new_variable . '=' . $new_term; |
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$resource = @fopen($path_file, "a"); |
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if (file_exists($path_file) && $resource) { |
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if (fwrite($resource, $new_data . PHP_EOL) === false) { |
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//not allow to write |
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$return_value = false; |
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} else { |
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$return_value = true; |
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} |
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fclose($resource); |
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} |
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return $return_value; |
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} |
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/** |
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* Add directory for sub-language |
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* @param string $sub_language_dir The sub-language directory ( e.g. 'spanish_corporate' ) |
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* @return boolean True on success, false on failure |
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*/ |
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public static function add_language_directory($sub_language_dir) |
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{ |
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if (empty($sub_language_dir)) { |
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return false; |
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} |
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$dir = api_get_path(SYS_LANG_PATH) . $sub_language_dir; |
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if (is_dir($dir)) { |
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return true; |
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} //even if the dir already exists, we reach the objective of having the directory there |
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return @mkdir($dir, api_get_permissions_for_new_directories()); |
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} |
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/** |
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* Delete sub-language. |
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* In order to avoid deletion of main laguages, we check the existence of a parent |
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* @param int The parent id |
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* @return bool True on success, false on error |
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*/ |
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public static function remove_sub_language($parent_id, $sub_language_id) |
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{ |
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if (empty($parent_id) || |
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(intval($parent_id) != $parent_id) || |
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empty($sub_language_id) || |
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(intval($sub_language_id) != $sub_language_id) |
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) { |
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return false; |
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} |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT dokeos_folder FROM ' . $table . ' |
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WHERE parent_id = ' . $parent_id . ' and id = ' . $sub_language_id; |
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$res = Database::query($sql); |
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if ($res === false or Database::num_rows($res) < 1) { |
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return false; |
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} |
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$row = Database::fetch_assoc($res); |
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$res = SubLanguageManager::remove_language_directory($row['dokeos_folder']); |
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if ($res === false) { |
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return false; |
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} //can't delete dir, so do not delete language record |
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$sql = 'DELETE FROM ' . $table . ' |
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WHERE id= ' . intval($sub_language_id); |
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$res = Database::query($sql); |
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return $res; |
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} |
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/** |
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* Remove directory for sub-language |
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* @param String The sub-language path directory ( e.g. 'spanish_corporate'' ) |
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* @return boolean True on success, false on failure |
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*/ |
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public static function remove_language_directory($sub_language_dir) |
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{ |
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if (empty($sub_language_dir)) { |
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return false; |
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} |
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$dir = api_get_path(SYS_LANG_PATH) . $sub_language_dir; |
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if (!is_dir($dir)) { |
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return true; |
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} //even if the dir does not exist, we reach the objective of not having the directory there |
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$content = SubLanguageManager::get_lang_folder_files_list($dir); |
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if (count($content) > 0) { |
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foreach ($content as $value_content) { |
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$path_file = $dir . '/' . $value_content; |
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unlink($path_file); |
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} |
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return @rmdir($dir); |
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} else { |
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return @rmdir($dir); |
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} |
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} |
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/** |
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* check if language exist by id |
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* @param int $language_id |
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* @return bool |
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*/ |
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View Code Duplication |
public static function check_if_exist_language_by_id($language_id) |
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{ |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT count(*) as count |
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FROM ' . $table . ' |
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WHERE id="' . intval($language_id) . '"'; |
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$rs = Database::query($sql); |
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if (Database::num_rows($rs) > 0) { |
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if (Database::result($rs, 0, 'count') == 1) { |
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return true; |
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} else { |
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return false; |
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} |
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} else { |
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return false; |
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} |
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} |
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/** |
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* Get name of language by id |
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* @param Integer The language id |
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* @return String The original name of language |
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*/ |
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public static function get_name_of_language_by_id($language_id) |
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{ |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT original_name |
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FROM ' . $table . ' |
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WHERE id= ' . intval($language_id) . ''; |
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$rs = Database::query($sql); |
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if (Database::num_rows($rs) > 0) { |
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return Database::result($rs, 0, 'original_name'); |
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} else { |
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return ''; |
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} |
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} |
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/** |
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* Verified if language is sub-language |
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* @param int $language_id |
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* |
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* @return bool |
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*/ |
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View Code Duplication |
public static function check_if_language_is_sub_language($language_id) |
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{ |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT count(*) AS count FROM ' . $table . ' |
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WHERE id = ' . intval($language_id) . ' AND NOT ISNULL(parent_id)'; |
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$rs = Database::query($sql); |
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if (Database::num_rows($rs) > 0 && Database::result($rs, '0', 'count') == 1) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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/** |
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* @param int $language_id |
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* @return bool |
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*/ |
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315
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public static function check_if_language_is_used($language_id) |
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{ |
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$language_info = self::get_all_information_of_language($language_id); |
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$table = Database :: get_main_table(TABLE_MAIN_USER); |
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$sql = 'SELECT count(*) AS count FROM ' . $table . ' |
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WHERE language ="' . Database::escape_string($language_info['english_name']).'"'; |
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$rs = Database::query($sql); |
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if (Database::num_rows($rs) > 0 && Database::result($rs, '0', 'count') >= 1) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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/** |
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* Verified if language is father of an sub-language |
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* @param Integer The language id |
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* @return Boolean |
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*/ |
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View Code Duplication |
public static function check_if_language_is_father($language_id) |
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{ |
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$table = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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$sql = 'SELECT count(*) AS count FROM ' . $table . ' |
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WHERE parent_id= ' . intval($language_id) . ' AND NOT ISNULL(parent_id);'; |
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$rs = Database::query($sql); |
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341
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if (Database::num_rows($rs) > 0 && Database::result($rs, '0', 'count') == 1) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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348
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/** |
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349
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* Make unavailable the language |
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* @param Integer The language id |
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* @return void() |
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*/ |
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View Code Duplication |
public static function make_unavailable_language($language_id) |
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354
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{ |
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355
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$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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356
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$sql = "UPDATE $tbl_admin_languages SET available='0' |
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357
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WHERE id = " . intval($language_id) . ""; |
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358
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$result = Database::query($sql); |
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359
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360
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return $result !== false; //only return false on sql error |
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361
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} |
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362
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363
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/** |
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364
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* Make available the language |
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365
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* @param Integer The language id |
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366
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* @return void |
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367
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*/ |
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368
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View Code Duplication |
public static function make_available_language($language_id) |
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369
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{ |
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370
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$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
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371
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$sql = "UPDATE $tbl_admin_languages SET available='1' |
|
372
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WHERE id = " . intval($language_id) . ""; |
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373
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$result = Database::query($sql); |
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374
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375
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return $result !== false; //only return false on sql error |
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376
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} |
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377
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|
378
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/** |
|
379
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* Set platform language |
|
380
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* @param Integer The language id |
|
381
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* @return bool |
|
382
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*/ |
|
383
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public static function set_platform_language($language_id) |
|
384
|
|
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{ |
|
385
|
|
|
if (empty($language_id) or (intval($language_id) != $language_id)) { |
|
386
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|
|
return false; |
|
387
|
|
|
} |
|
388
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|
|
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
|
389
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|
|
$tbl_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT); |
|
390
|
|
|
$sql = "SELECT english_name FROM " . $tbl_admin_languages . " |
|
391
|
|
|
WHERE id= " . intval($language_id) . ""; |
|
392
|
|
|
$result = Database::query($sql); |
|
393
|
|
|
$lang = Database::fetch_array($result); |
|
394
|
|
|
$sql_update_2 = "UPDATE " . $tbl_settings_current . " SET selected_value='" . $lang['english_name'] . "' |
|
395
|
|
|
WHERE variable='platformLanguage'"; |
|
396
|
|
|
$result_2 = Database::query($sql_update_2); |
|
397
|
|
|
Event::addEvent( |
|
398
|
|
|
LOG_PLATFORM_LANGUAGE_CHANGE, |
|
399
|
|
|
LOG_PLATFORM_LANGUAGE, |
|
400
|
|
|
$lang['english_name'] |
|
401
|
|
|
); |
|
402
|
|
|
|
|
403
|
|
|
return $result_2 !== false; |
|
404
|
|
|
} |
|
405
|
|
|
|
|
406
|
|
|
/** |
|
407
|
|
|
* Get platform language ID |
|
408
|
|
|
* @return int The platform language ID |
|
409
|
|
|
*/ |
|
410
|
|
View Code Duplication |
public static function get_platform_language_id() |
|
411
|
|
|
{ |
|
412
|
|
|
$name = api_get_setting('platformLanguage'); |
|
413
|
|
|
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
|
414
|
|
|
$sql = "SELECT id FROM " . $tbl_admin_languages . " WHERE english_name ='$name'"; |
|
415
|
|
|
$res = Database::query($sql); |
|
416
|
|
|
if (Database::num_rows($res) < 1) { |
|
417
|
|
|
return false; |
|
418
|
|
|
} |
|
419
|
|
|
$row = Database::fetch_array($res); |
|
420
|
|
|
|
|
421
|
|
|
return $row['id']; |
|
422
|
|
|
} |
|
423
|
|
|
|
|
424
|
|
|
/** |
|
425
|
|
|
* Get parent language path (or null if no parent) |
|
426
|
|
|
* @param string Children language path |
|
427
|
|
|
* @return string Parent language path or null |
|
428
|
|
|
*/ |
|
429
|
|
View Code Duplication |
public static function get_parent_language_path($language_path) |
|
430
|
|
|
{ |
|
431
|
|
|
$tbl_admin_languages = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
|
432
|
|
|
$sql = "SELECT dokeos_folder |
|
433
|
|
|
FROM " . $tbl_admin_languages . " |
|
434
|
|
|
WHERE id = ( |
|
435
|
|
|
SELECT parent_id FROM " . $tbl_admin_languages . " |
|
436
|
|
|
WHERE dokeos_folder = '" . Database::escape_string($language_path) . "' |
|
437
|
|
|
) |
|
438
|
|
|
"; |
|
439
|
|
|
$result = Database::query($sql); |
|
440
|
|
|
if (Database::num_rows($result) == 0) { |
|
441
|
|
|
return null; |
|
442
|
|
|
} |
|
443
|
|
|
$row = Database::fetch_array($result); |
|
444
|
|
|
return $row['dokeos_folder']; |
|
445
|
|
|
} |
|
446
|
|
|
|
|
447
|
|
|
/** |
|
448
|
|
|
* Get language matching isocode |
|
449
|
|
|
* @param string $isocode The language isocode (en, es, fr, zh-TW, etc) |
|
450
|
|
|
* @return mixed English name of the matching language, or false if no active language could be found |
|
451
|
|
|
*/ |
|
452
|
|
View Code Duplication |
public static function getLanguageFromIsocode($isocode) |
|
453
|
|
|
{ |
|
454
|
|
|
$isocode = Database::escape_string($isocode); |
|
455
|
|
|
$adminLanguagesTable = Database :: get_main_table(TABLE_MAIN_LANGUAGE); |
|
456
|
|
|
// select language - if case several languages match, get the last (more recent) one |
|
457
|
|
|
$sql = "SELECT english_name |
|
458
|
|
|
FROM " . $adminLanguagesTable . " |
|
459
|
|
|
WHERE |
|
460
|
|
|
isocode ='$isocode' AND |
|
461
|
|
|
available = 1 |
|
462
|
|
|
ORDER BY id |
|
463
|
|
|
DESC LIMIT 1"; |
|
464
|
|
|
$res = Database::query($sql); |
|
465
|
|
|
if (Database::num_rows($res) < 1) { |
|
466
|
|
|
return false; |
|
467
|
|
|
} |
|
468
|
|
|
$row = Database::fetch_assoc($res); |
|
469
|
|
|
return $row['english_name']; |
|
470
|
|
|
} |
|
471
|
|
|
|
|
472
|
|
|
/** |
|
473
|
|
|
* Get best language in browser preferences |
|
474
|
|
|
* @param string $preferences The browser-configured language preferences (e.g. "en,es;q=0.7;en-us;q=0.3", etc) |
|
475
|
|
|
* @return mixed English name of the matching language, or false if no active language could be found |
|
476
|
|
|
*/ |
|
477
|
|
|
public static function getLanguageFromBrowserPreference($preferences) |
|
478
|
|
|
{ |
|
479
|
|
|
if (empty($preferences)) { |
|
480
|
|
|
return false; |
|
481
|
|
|
} |
|
482
|
|
|
|
|
483
|
|
|
$preferencesArray = explode(',', $preferences); |
|
484
|
|
|
|
|
485
|
|
|
if (count($preferencesArray) > 0) { |
|
486
|
|
|
foreach ($preferencesArray as $pref) { |
|
487
|
|
|
$s = strpos($pref, ';'); |
|
488
|
|
|
if ($s >= 2) { |
|
489
|
|
|
$code = substr($pref, 0, $s); |
|
490
|
|
|
} else { |
|
491
|
|
|
$code = $pref; |
|
492
|
|
|
} |
|
493
|
|
|
$name = self::getLanguageFromIsocode($code); |
|
494
|
|
|
|
|
495
|
|
|
if ($name !== false) { |
|
496
|
|
|
return $name; |
|
497
|
|
|
} |
|
498
|
|
|
} |
|
499
|
|
|
} |
|
500
|
|
|
|
|
501
|
|
|
return false; |
|
502
|
|
|
} |
|
503
|
|
|
} |
|
504
|
|
|
|
There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.