"MDL-16954, get rid of remote_addr notice on cli, set ip = 0.0.0.0 in mdl_log table when accessed from cli"

lib/datalib.php

@@ -1880,6 +1880,9 @@ function add_to_log($courseid, $module, $action, $url='', $info='', $cm=0, $user
     }
 
     $REMOTE_ADDR = getremoteaddr();
+    if (empty($REMOTE_ADDR)) {
+        $REMOTE_ADDR = '0.0.0.0';
+    }
 
     $timenow = time();
     $info = addslashes($info);

lib/moodlelib.php

@@ -7511,7 +7511,11 @@ function getremoteaddr() {
             return cleanremoteaddr($_SERVER['HTTP_X_FORWARDED_FOR']);
         }
     }
-    return cleanremoteaddr($_SERVER['REMOTE_ADDR']);
+    if (!empty($_SERVER['REMOTE_ADDR'])) {
+        return cleanremoteaddr($_SERVER['REMOTE_ADDR']);
+    } else {
+        return null;
+    }
 }
 
 /**