Fixes for modules/memcacheMonitor

modules/memcacheMonitor/hooks/hook_configpage.php

 <?php
+
 /**
  * Hook to add the memcacheMonitor module to the config page.
  *
  * @param \SimpleSAML\XHTML\Template &$template The template that we should alter in this hook.
+ * @return void
  */
-
 function memcacheMonitor_hook_configpage(\SimpleSAML\XHTML\Template &$template)
 {
     $template->data['links']['memcacheMonitor'] = [

modules/memcacheMonitor/hooks/hook_frontpage.php

 <?php
+
 /**
  * Hook to add the simple consenet admin module to the frontpage.
  *
  * @param array &$links  The links on the frontpage, split into sections.
+ * @return void
  */
-
 function memcacheMonitor_hook_frontpage(&$links)
 {
     assert(is_array($links));

modules/memcacheMonitor/hooks/hook_sanitycheck.php

@@ -6,8 +6,8 @@
  * This function verifies that all memcache servers work.
  *
  * @param array &$hookinfo  hookinfo
+ * @return void
  */
-
 function memcacheMonitor_hook_sanitycheck(&$hookinfo)
 {
     assert(is_array($hookinfo));

modules/memcacheMonitor/www/memcachestat.php

 <?php
 
+/**
+ * @param int $input
+ * @return string
+ */
 function tdate($input)
 {
     return date(DATE_RFC822, $input);
 }
 
+
+/**
+ * @param int $input
+ * @return string
+ */
 function hours($input)
 {
     if ($input < 60) {
@@ -19,6 +28,11 @@ function hours($input)
     return number_format($input / (24 * 60 * 60), 2).' days';
 }
 
+
+/**
+ * @param int $input
+ * @return string
+ */
 function humanreadable($input)
 {
     $output = "";