function get_raw_string($identifier, $section = 'mahara')
{
// For a raw string we don't want to format any arguments using
// sprintf, so the replace function passed to get_string_location
// should just return the first argument and ignore the second.
return get_string_location($identifier, $section, array(), create_function('$string, $args', 'return $string;'));
}
/**
* Helper function to sprintf language strings
* with a variable number of arguments
*
* @param mixed $string raw string to use, or an array of strings, one for each plural form
* @param array $args arguments to sprintf
* @param string $lang The language
*/
function format_langstring($string, $args, $lang = 'en.utf8')
{
if (is_array($string) && isset($args[0]) && is_numeric($args[0])) {
// If there are multiple strings here, there must be one for each plural
// form in the language. The first argument is passed into the plural
// function, which returns an index into the array of strings.
$pluralfunction = get_string_location('pluralfunction', 'langconfig', array(), 'raw_langstring', $lang);
$index = function_exists($pluralfunction) ? $pluralfunction($args[0]) : 0;
$string = isset($string[$index]) ? $string[$index] : current($string);
}
return call_user_func_array('sprintf', array_merge(array($string), $args));
}
/**
* This function returns the current
* language to use, either for a given user
* or sitewide, or the default
*
* @return string
*/
function current_language()
{
global $USER, $CFG, $SESSION;
static $lang;
if (!empty($lang)) {
return $lang;
}
if ($USER instanceof User) {
$userlang = $USER->get_account_preference('lang');
if ($userlang !== null && $userlang != 'default') {
if (language_installed($userlang)) {
$lang = $userlang;
} else {
$USER->set_account_preference('lang', 'default');
}
}
}
if (empty($lang) && is_a($SESSION, 'Session')) {
$sesslang = $SESSION->get('lang');
if (!empty($sesslang) && $sesslang != 'default') {
$lang = $sesslang;
}
}
if (empty($lang)) {
$lang = !empty($CFG->lang) ? $CFG->lang : 'en.utf8';
}
// Set locale. We are probably being called from get_string_location.
// $lang had better be non-empty, or it will call us again.
if ($args = split(',', get_string_location('locales', 'langconfig', array(), 'raw_langstring', $lang))) {
array_unshift($args, LC_ALL);
call_user_func_array('setlocale', $args);
}
return $lang;
}