<?php
-if(! function_exists('maintenance_content')) {
-function maintenance_content(&$a) {
+
+function maintenance_content(App &$a) {
+ header('HTTP/1.1 503 Service Temporarily Unavailable');
+ header('Status: 503 Service Temporarily Unavailable');
+ header('Retry-After: 600');
+
return replace_macros(get_markup_template('maintenance.tpl'), array(
'$sysdown' => t('System down for maintenance')
));
}
-}