function lang_icons_prepare()
{
$langarray = lang__get_public_langs();
foreach ($langarray as $tlang) {
$tlang_icon = trim(load_language_symbol('lang_icon_base64', $tlang));
if ($tlang_icon) {
echo '.langicon-' . $tlang . ':before {
content:url(\'' . $tlang_icon . '\');
}
';
}
}
}
function lang__select_lang($varname, $selected = "", $type = "all")
{
global $lang;
switch ($type) {
case "public":
$sel_langs = lang__get_public_langs();
break;
case "part":
$sel_langs = lang__get_part_langs();
break;
default:
$sel_langs = get_languages();
}
if (!$selected) {
$selected = lang('lang');
}
$lang_names = lang__get_language_names();
$out = '';
$out .= '<SELECT name="' . $varname . '">';
foreach ($sel_langs as $olang) {
$out .= '<OPTION value="' . $olang . '"';
if ($olang == $selected) {
$out .= ' SELECTED';
}
$out .= '>' . $lang_names[$olang] . '</OPTION>';
}
$out .= '</SELECT>';
return $out;
}
if ($participant_id) {
// get participant's language
$participant = orsee_db_load_array("participants", $participant_id, "participant_id");
$_SESSION['pauthdata']['language'] = $participant['language'];
unset($participant);
$show_logged_in_menu = true;
}
}
}
if ($proceed) {
// determine language for page
if (!isset($_SESSION['pauthdata']['language']) || !$_SESSION['pauthdata']['language']) {
$_SESSION['pauthdata']['language'] = $settings['public_standard_language'];
}
if (isset($_REQUEST['language'])) {
$langarray = lang__get_public_langs();
if (in_array($_REQUEST['language'], $langarray)) {
$_SESSION['pauthdata']['language'] = $_REQUEST['language'];
}
}
$lang = load_language($_SESSION['pauthdata']['language']);
}
if ($proceed) {
if (!in_array(thisdoc(), array('participant_create.php', 'captcha.php'))) {
unset($_SESSION['subpool_id']);
unset($_SESSION['rules']);
}
}
if ($proceed) {
// require participant login for the following pages
$part_load = array("participant_edit.php", "participant_delete.php", "participant_show.php", "participant_show_mob.php", "participant_change_pw.php", "participant_logout.php");