Network MAP PHP

I did make the changes mentioned above, couldn't make it working. Please advise whats wrong.

  f5 monitoring page 
 
 
   
";

    // funtion to display images. you can download them for F5 web interface. Place them into ./images folder
    function getgif($status) {
     $img_path = "/images";
     switch($status) {
         case 'up':
            $img = $img_path."/status_circle_green.png";
            break;
         case 'down':
            $img = $img_path."/status_diamond_red.png";
            break;
         case 'user-down':
            $img = $img_path."/status_diamond_black.png";
            break;
         case 'unchecked';
            $img = $img_path."/status_square_blue.png";
            break;
         default:
            $img = $img_path."/status_circle_outline.gif";      
     }
      return $img;
    }

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, "https://$user:$password@$f5server/mgmt/tm/ltm/pool/");
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_VERBOSE, true);
    $pools = json_decode(curl_exec($ch));
    curl_setopt($ch, CURLOPT_URL, "https://$user:$password@$f5server/mgmt/tm/ltm/virtual/");
    $vservers = json_decode(curl_exec($ch));
    curl_setopt($ch, CURLOPT_URL, "https://$user:$password@$f5server/mgmt/tm/ltm/node/");
    $nodes = json_decode(curl_exec($ch));
    curl_close($ch);
        //NETWORK MAP presentation
    echo "
     VIRTUAL SERVERS
";
    foreach ($vservers->{'items'} as $vs){
        echo strtolower($vs->{'name'});
        echo "  ".$vs->{'destination'};
        if ($vs->{'rules'}[1] != NULL){
            echo "
";
            echo $vs->{'rules'}[1];
            }
        foreach ($pools->{'items'} as $item ){
            if ($vs->{'pool'} == $item->{'fullPath'}){
            echo "
";
            $stateurl = $item->{'membersReference'};
            echo "    ";
            echo strtolower($item->{'name'}); 
            echo " - (".$item->{'loadBalancingMode'}.")";
            echo "
";
            $rewrited_url = str_replace('localhost',$user.":".$password."@".$f5server,$stateurl->{'link'});
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $rewrited_url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($ch, CURLOPT_VERBOSE, true);
            $members = json_decode(curl_exec($ch));
            curl_close($ch);
              foreach ($members->{'items'} as $member)
                {
                    $img_path = getgif($member->{'state'});
                    echo "        ";
                    echo strtolower($member->{'name'});
                    echo " - (".$member->{'address'}.")";
                    foreach ($nodes->{'items'} as $node){
                        if ($member->{'address'} === $node->{'address'}){
                            $img_path = getgif($node->{'state'});
                            echo "    ";
                            echo strtolower($node->{'name'});
                        }
                    }
                    echo "
";
                }
            }
        }
        echo "
";
    }
    ?>