diff --git a/modules/memcacheMonitor/hooks/hook_configpage.php b/modules/memcacheMonitor/hooks/hook_configpage.php
index 4debe964ee90ecd9d41b781763738c0beb1f6240..497c84893aa89a811e2db53f259bad67cb6a226a 100644
--- a/modules/memcacheMonitor/hooks/hook_configpage.php
+++ b/modules/memcacheMonitor/hooks/hook_configpage.php
@@ -1,10 +1,11 @@
 <?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)
 {
     $template->data['links']['memcacheMonitor'] = [
diff --git a/modules/memcacheMonitor/hooks/hook_frontpage.php b/modules/memcacheMonitor/hooks/hook_frontpage.php
index d25437327aaad82653f3a517a8ecc9051d22dc38..9a1b4f07b7b4c329c0db156648a6a7d556309bb3 100644
--- a/modules/memcacheMonitor/hooks/hook_frontpage.php
+++ b/modules/memcacheMonitor/hooks/hook_frontpage.php
@@ -1,10 +1,11 @@
 <?php
+
 /**
  * Hook to add the simple consenet admin module to the frontpage.
  *
  * @param array &$links  The links on the frontpage, split into sections.
+ * @return void
  */
-
 function memcacheMonitor_hook_frontpage(&$links)
 {
     assert(is_array($links));
diff --git a/modules/memcacheMonitor/hooks/hook_sanitycheck.php b/modules/memcacheMonitor/hooks/hook_sanitycheck.php
index a7a36c415dbdbbe7d1fec858040d650cdd5db5cd..ce95aada196521d5d94e07a27f155728f65b2202 100644
--- a/modules/memcacheMonitor/hooks/hook_sanitycheck.php
+++ b/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));
diff --git a/modules/memcacheMonitor/www/memcachestat.php b/modules/memcacheMonitor/www/memcachestat.php
index fde791e558da79aa1ad5c266ed7b73ba1e7c2edc..0e79858b98387203181d0084e6d18ffe70e2a5fa 100644
--- a/modules/memcacheMonitor/www/memcachestat.php
+++ b/modules/memcacheMonitor/www/memcachestat.php
@@ -1,10 +1,19 @@
 <?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 = "";