Remove var_dump() calls (suggested by #scrutinizer)

main/admin/user_move_stats.php

@@ -224,7 +224,7 @@ if (isset($_REQUEST['load_ajax'])) {
                             $sql = "UPDATE $TBL_TRACK_E_LAST_ACCESS SET access_session_id = $new_session_id WHERE access_id = $id";
                             if ($debug) echo $sql;
                             $res = Database::query($sql);
-                            if ($debug) var_dump($res);
+                            if ($debug) error_log(__FILE__ . ' +' . __LINE__ . ': ' . print_r($res, 1));
                             $result_message[$TBL_TRACK_E_LAST_ACCESS]++;
                         }
                     }

main/auth/shibboleth/test/shibboleth_test.class.php

@@ -205,7 +205,7 @@ class ShibbolethTest
             $message = "Assert failed $message <br/>";
             echo $message;
             // Dump variable for debug
-            var_dump(debug_backtrace());
+            error_log(print_r(debug_backtrace(),1));
             die;
         }
         else

main/reports/index.php

@@ -209,6 +209,6 @@ foreach ($reports_template as $key => $value) {
 		}
 </script>
 
-<?
+<?php
 // Footer
 Display::display_footer();