From 38c0cedeccfc173aaf7ed400c7e897ca6fe1b8bb Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Tue, 20 Dec 2016 16:37:42 -0500
Subject: [PATCH] remove the use of empty which on php < 5.5 only supports
 variables.

---
 web/skins/classic/includes/control_functions.php | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/web/skins/classic/includes/control_functions.php b/web/skins/classic/includes/control_functions.php
index b1702bc94..3f6ca9d01 100644
--- a/web/skins/classic/includes/control_functions.php
+++ b/web/skins/classic/includes/control_functions.php
@@ -30,7 +30,7 @@ function getControlCommands( $monitor )
     $cmds['PresetGoto'] = "presetGoto";
     $cmds['PresetHome'] = "presetHome";
 
-    if ( !empty($monitor->CanZoom()) )
+    if ( $monitor->CanZoom() )
     {
         if ( $monitor->CanZoomCon() )
             $cmds['ZoomRoot'] = "zoomCon";
@@ -45,7 +45,7 @@ function getControlCommands( $monitor )
         $cmds['ZoomMan'] = "zoomMan";
     }
 
-    if ( !empty($monitor->CanFocus()) )
+    if ( $monitor->CanFocus() )
     {
         if ( $monitor->CanFocusCon() )
             $cmds['FocusRoot'] = "focusCon";
@@ -60,7 +60,7 @@ function getControlCommands( $monitor )
         $cmds['FocusMan'] = "focusMan";
     }
 
-    if ( !empty($monitor->CanIris()) )
+    if ( $monitor->CanIris() )
     {
         if ( $monitor->CanIrisCon() )
             $cmds['IrisRoot'] = "irisCon";
@@ -75,7 +75,7 @@ function getControlCommands( $monitor )
         $cmds['IrisMan'] = "irisMan";
     }
 
-    if ( !empty($monitor->CanWhite()) )
+    if ( $monitor->CanWhite() )
     {
         if ( $monitor->CanWhiteCon() )
             $cmds['WhiteRoot'] = "whiteCon";
@@ -89,7 +89,7 @@ function getControlCommands( $monitor )
         $cmds['WhiteMan'] = "whiteMan";
     }
 
-    if ( !empty($monitor->CanGain()) )
+    if ( $monitor->CanGain() )
     {
         if ( $monitor->CanGainCon() )
             $cmds['GainRoot'] = "gainCon";
@@ -103,7 +103,7 @@ function getControlCommands( $monitor )
         $cmds['GainMan'] = "gainMan";
     }
 
-    if ( !empty($monitor->CanMove()) )
+    if ( $monitor->CanMove() )
     {
         if ( $monitor->CanMoveCon() )
         {