- Patch #16303 by Gerhard: fixed some warnings.

includes/bootstrap.inc

@@ -678,7 +678,7 @@ function arg($index) {
     $arguments = explode('/', $_GET['q']);
   }
 
-  if ($arguments[$index] !== NULL) {
+  if (isset($arguments[$index])) {
     return $arguments[$index];
   }
 }

modules/system.module

@@ -288,9 +288,9 @@ function system_get_files_database(&$files, $type) {
   // Extract current files from database.
   $result = db_query("SELECT name, type, status, throttle FROM {system} WHERE type = '%s'", $type);
   while ($file = db_fetch_object($result)) {
-    if (is_object($files[$file->name])) {
+    if (isset($files[$file->name]) && is_object($files[$file->name])) {
       foreach ($file as $key => $value) {
-        if (!$files[$file->name]->$key) {
+        if (!isset($files[$file->name]) || !isset($files[$file->name]->$key)) {
           $files[$file->name]->$key = $value;
         }
       }

modules/system/system.module

@@ -288,9 +288,9 @@ function system_get_files_database(&$files, $type) {
   // Extract current files from database.
   $result = db_query("SELECT name, type, status, throttle FROM {system} WHERE type = '%s'", $type);
   while ($file = db_fetch_object($result)) {
-    if (is_object($files[$file->name])) {
+    if (isset($files[$file->name]) && is_object($files[$file->name])) {
       foreach ($file as $key => $value) {
-        if (!$files[$file->name]->$key) {
+        if (!isset($files[$file->name]) || !isset($files[$file->name]->$key)) {
           $files[$file->name]->$key = $value;
         }
       }

modules/user.module

@@ -332,8 +332,10 @@ function user_access($string, $account = NULL) {
       $perm[$account->uid] .= "$row->perm, ";
     }
   }
-
-  return strstr($perm[$account->uid], "$string, ");
+  if (isset($perm[$account->uid])) {
+    return strstr($perm[$account->uid], "$string, ");
+  }
+  return FALSE;
 }
 
 /**

modules/user/user.module

@@ -332,8 +332,10 @@ function user_access($string, $account = NULL) {
       $perm[$account->uid] .= "$row->perm, ";
     }
   }
-
-  return strstr($perm[$account->uid], "$string, ");
+  if (isset($perm[$account->uid])) {
+    return strstr($perm[$account->uid], "$string, ");
+  }
+  return FALSE;
 }
 
 /**