3 files changed, 9 insertions, 9 deletions

diff --git a/inc/common.php b/inc/common.php
index ebacca92e..7aaf8098b 100644
--- a/inc/common.php
+++ b/inc/common.php
@@ -223,7 +223,7 @@ function buildURLparams($params, $sep='&'){
     if($amp) $url .= $sep;
 
     $url .= $key.'=';
-    $url .= rawurlencode($val);
+    $url .= rawurlencode((string)$val);
     $amp = true;
   }
   return $url;
diff --git a/inc/pageutils.php b/inc/pageutils.php
index c3d9a9ffc..50e76d44e 100644
--- a/inc/pageutils.php
+++ b/inc/pageutils.php
@@ -96,15 +96,15 @@ function cleanID($raw_id,$ascii=false){
   $cache = & $cache_cleanid;
 
   // check if it's already in the memory cache
-  if (isset($cache[$raw_id])) {
-    return $cache[$raw_id];
+  if (isset($cache[(string)$raw_id])) {
+    return $cache[(string)$raw_id];
     }
 
   $sepchar = $conf['sepchar'];
   if($sepcharpat == null) // build string only once to save clock cycles
     $sepcharpat = '#\\'.$sepchar.'+#';
 
-  $id = trim($raw_id);
+  $id = trim((string)$raw_id);
   $id = utf8_strtolower($id);
 
   //alternative namespace seperator
@@ -129,7 +129,7 @@ function cleanID($raw_id,$ascii=false){
   $id = trim($id,':._-');
   $id = preg_replace('#:[:\._\-]+#',':',$id);
 
-  $cache[$raw_id] = $id;
+  $cache[(string)$raw_id] = $id;
   return($id);
 }
 
@@ -139,9 +139,9 @@ function cleanID($raw_id,$ascii=false){
  * @author Andreas Gohr <andi@splitbrain.org>
  */
 function getNS($id){
-  $pos = strrpos($id,':');
+  $pos = strrpos((string)$id,':');
   if($pos!==false){
-    return substr($id,0,$pos);
+    return substr((string)$id,0,$pos);
   }
   return false;
 }
diff --git a/inc/parserutils.php b/inc/parserutils.php
index 9f8b88cb6..95d9647ff 100644
--- a/inc/parserutils.php
+++ b/inc/parserutils.php
@@ -359,7 +359,7 @@ function p_purge_metadata($id) {
 function p_read_metadata($id,$cache=false) {
   global $cache_metadata;
 
-  if (isset($cache_metadata[$id])) return $cache_metadata[$id];
+  if (isset($cache_metadata[(string)$id])) return $cache_metadata[(string)$id];
 
   $file = metaFN($id, '.meta');
   $meta = @file_exists($file) ? unserialize(io_readFile($file, false)) : array('current'=>array(),'persistent'=>array());
@@ -385,7 +385,7 @@ function p_read_metadata($id,$cache=false) {
   }
 
   if ($cache) {
-    $cache_metadata[$id] = $meta;
+    $cache_metadata[(string)$id] = $meta;
   }
 
   return $meta;