PSR2 Cleanup: /html edition

Travis tests for code conformance. Ignore warnings for now.
Fixed all errors, left most warnings.

html/graph-realtime.php

@@ -30,9 +30,8 @@ if (is_numeric($_GET['id']) && ($config['allow_unauth_graphs'] || port_permitted
     $device = device_by_id_cache($port['device_id']);
     $title  = generate_device_link($device);
     $title .= " :: Port  ".generate_port_link($port);
-    $auth   = TRUE;
-}
-else {
+    $auth   = true;
+} else {
     echo("Unauthenticad");
     die;
 }
@@ -45,7 +44,7 @@ $ifname=ifLabel($port);
 $ifname=$ifname['label']; //Interface name that will be showed on top right of graph
 $hostname=shorthost($device['hostname']);
 
-if($_GET['title']) {
+if ($_GET['title']) {
     $ifname = $_GET['title'];
 }
 
@@ -53,10 +52,9 @@ if($_GET['title']) {
 $scale_type="follow";               //Autoscale default setup : "up" = only increase scale; "follow" = increase and decrease scale according to current graphed datas
 $nb_plot=240;                   //NB plot in graph
 
-if(is_numeric($_GET['interval'])) {
+if (is_numeric($_GET['interval'])) {
     $time_interval=$_GET['interval'];
-}
-else {
+} else {
     $time_interval=1;      //Refresh time Interval
 }