diff --git a/library/media_sessions.php b/library/media_sessions.php
index fb88cf2..d6c4698 100644
--- a/library/media_sessions.php
+++ b/library/media_sessions.php
@@ -1,803 +1,803 @@
 <?php
 class MediaSessions
 {
 
     public $dispatcher_port   = 25061;
     public $sessions          = array();
     public $summary           = array();
     public $domain_statistics = array();
     public $timeout           = 3;
 
     public function __construct($dispatcher = '', $allowedDomains = array(), $filters = array())
     {
         $this->dispatcher     = $dispatcher;
         $this->filters        = $filters;
         $this->allowedDomains = $allowedDomains;
         $this->getUserAgentPictures();
     }
 
     public function getUserAgentPictures()
     {
         global $userAgentImages;
         global $userAgentImagesFile;
 
         if (!isset($userAgentImagesFile)) {
             $userAgentImagesFile = "phone_images.php";
         }
 
         require_once "$userAgentImagesFile";
 
         $this->userAgentImages = $userAgentImages;
     }
 
     private function connectSocket()
     {
         if (!strlen($this->dispatcher)) {
             return false;
         }
 
         if (preg_match("/^(tls|tcp):(.*):(.*)$/", $this->dispatcher, $m)) {
             $hostname  = $m[1].'://'.$m[2];
             $port      = $m[3];
             $target    = 'tcp://'.$m[2].':'.$m[3];
             $transport = $m[1];
 
             $this->mp_tls_cert_file  = '/etc/cdrtool/mediaproxy.'.$m[2].'.pem';
 
             if ($m[1] == 'tls') {
                 if (!file_exists($this->mp_tls_cert_file)) {
                     printf(
                         "<p><font color=red>Error: mediaproxy certificate file %s does not exist. </font>\n",
                         $this->mp_tls_cert_file
                     );
                     return false;
                 }
 
                 $tls_options=array('ssl' => array('local_cert'        => $this->mp_tls_cert_file));
 
                 $context = stream_context_create($tls_options);
             } else {
                 $context = stream_context_create(array());
             }
         } else {
             printf(
                 "<p><font color=red>Error: MediaProxy dispatcher '%s' must be in the form: tls:hostname:port or tcp:hostname:port</font>",
                 $this->dispatcher
             );
             return false;
         }
 
         if ($fp = stream_socket_client($target, $errno, $errstr, $this->timeout, STREAM_CLIENT_CONNECT, $context)) {
             if ($transport == "tls") {
                 if (!stream_socket_enable_crypto($fp, true, STREAM_CRYPTO_METHOD_SSLv3_CLIENT)) {
                     printf("<p><font color=red>Error connecting to %s: (Could not enable crypto) </font>\n", $target);
                     return false;
                 }
             }
             return $fp;
         } else {
             printf("<p><font color=red>Error connecting to %s: %s (%s) </font>\n", $target, $errstr, $errno);
             return false;
         }
     }
 
     public function fetchSessionFromNetwork()
     {
         // get sessions from MediaProxy2 dispatcher
 
         if (!$fp = $this->connectSocket()) {
             return array();
         }
 
         fputs($fp, "sessions\r\n");
         $line = fgets($fp);
         return json_decode($line);
     }
 
     public function fetchSummaryFromNetwork()
     {
         // get summary from MediaProxy2 dispatcher
 
         if (count($this->allowedDomains)) {
             return array();
         }
         if (!$fp = $this->connectSocket()) {
             return array();
         }
 
         fwrite($fp, "summary\r\n");
 
         $line = fgets($fp);
         fclose($fp);
         return json_decode($line, true);
     }
 
     public function getSessions()
     {
         $_sessions = $this->fetchSessionFromNetwork();
 
         if (count($this->allowedDomains)) {
             $this->domain_statistics['total'] = array(
                 'sessions' => 0,
                 'caller'   => 0,
                 'callee'   => 0
             );
 
             foreach ($_sessions as $_session) {
                 list($user1, $domain1) = explode("@", $_session->from_uri);
                 list($user2, $domain2) = explode("@", $_session->to_uri);
 
                 if (preg_match("/^(.*):/", $domain1, $m)) {
                     $domain1 = $m[1];
                 }
 
                 $may_display = false;
                 foreach ($this->allowedDomains as $allow_domain) {
                     if ($this->endsWith($domain1, $allow_domain)) {
                         $may_display = true;
                         break;
                     }
                     if ($this->endsWith($domain2, $allow_domain)) {
                         $may_display = true;
                         break;
                     }
                 }
                 if (!$may_display) {
                     continue;
                 }
 
                 if (!array_key_exists($domain1, $this->domain_statistics)) {
                     $this->domain_statistics[$domain1] = array(
                         'sessions' => 0,
                         'caller'   => 0,
                         'callee'   => 0
                     );
                 }
                 $this->domain_statistics[$domain1]['sessions']++;
                 $this->domain_statistics['total']['sessions']++;
 
                 foreach ($_session->streams as $streamInfo) {
                     list($relay_ip, $relay_port) = explode(":", $streamInfo->caller_local);
                     $_relay_statistics[$relay_ip]['stream_count'][$streamInfo->media_type]++;
 
                     if ($_session->duration) {
                         $session_bps = ($streamInfo->caller_bytes + $streamInfo->callee_bytes) / $_session->duration * 8;
                         $_relay_statistics[$relay_ip]['bps_relayed'] = $_relay_statistics[$relay_ip]['bps_relayed'] + $session_bps;
                     }
 
                     $this->domain_statistics[$domain1]['caller'] = $this->domain_statistics[$domain1]['caller'] + intval($streamInfo->caller_bytes / $_session->duration * 2);
                     $this->domain_statistics['total']['caller'] = $this->domain_statistics['total']['caller'] + intval($streamInfo->caller_bytes / $_session->duration * 2);
                     $this->domain_statistics[$domain1]['callee'] = $this->domain_statistics[$domain1]['callee'] + intval($streamInfo->callee_bytes / $_session->duration * 2);
                     $this->domain_statistics['total']['callee'] = $this->domain_statistics['total']['callee'] + intval($streamInfo->callee_bytes/$_session->duration * 2);
                 }
 
                 $_relay_statistics[$relay_ip]['session_count']++;
 
                 $_sessions2[] = $_session;
             }
         } else {
             $this->domain_statistics['total'] = array(
                 'sessions' => 0,
                 'caller'   => 0,
                 'callee'   => 0
             );
             foreach ($_sessions as $_session) {
                 list($user1, $domain1) = explode("@", $_session->from_uri);
                 list($user2, $domain2) = explode("@", $_session->to_uri);
                 if (preg_match("/^(.*):/", $domain1, $m)) {
                     $domain1=$m[1];
                 }
 
                 if (!array_key_exists($domain1, $this->domain_statistics)) {
                     $this->domain_statistics[$domain1]= array(
                         'sessions' => 0,
                         'caller'   => 0,
                         'callee'   => 0
                     );
                 }
                 $this->domain_statistics[$domain1]['sessions']++;
                 $this->domain_statistics['total']['sessions']++;
 
                 foreach ($_session->streams as $streamInfo) {
                     if ($_session->duration) {
                         $this->domain_statistics[$domain1]['caller'] = $this->domain_statistics[$domain1]['caller'] + intval($streamInfo->caller_bytes / $_session->duration * 2);
                         $this->domain_statistics['total']['caller'] = $this->domain_statistics['total']['caller'] + intval($streamInfo->caller_bytes / $_session->duration * 2);
                         $this->domain_statistics[$domain1]['callee'] = $this->domain_statistics[$domain1]['callee'] + intval($streamInfo->callee_bytes / $_session->duration * 2);
                         $this->domain_statistics['total']['callee'] = $this->domain_statistics['total']['callee'] + intval($streamInfo->callee_bytes / $_session->duration * 2);
                     }
                 }
             }
 
             $_sessions2 = $_sessions;
         }
 
         if (count($this->allowedDomains)) {
             foreach (array_keys($_relay_statistics) as $_ip) {
                 $this->relay_statistics[] = array(
                     'ip'            => $_ip,
                     'bps_relayed'   => $_relay_statistics[$_ip]['bps_relayed'],
                     'session_count' => $_relay_statistics[$_ip]['session_count'],
                     'stream_count'  => $_relay_statistics[$_ip]['stream_count'],
                     'status'        => 'ok',
                     'uptime'        => 'unknown'
                 );
             }
         }
 
         if (strlen($this->filters['user'])) {
             foreach ($_sessions2 as $_session) {
                 $user=$this->filters['user'];
 
                 if (preg_match("/$user/", $_session->from_uri) ||
                     preg_match("/$user/", $_session->to_uri)) {
                     $this->sessions[] = $_session;
                 }
             }
         } else {
             $this->sessions = $_sessions2;
         }
     }
 
     public function getSummary()
     {
         if (count($this->allowedDomains)) {
             if (is_array($this->relay_statistics)) {
                 $this->summary = $this->relay_statistics;
             }
         } else {
             $this->summary = $this->fetchSummaryFromNetwork();
         }
     }
 
     public function showSearch()
     {
         printf(
             "
             <div class='pull-right' id='session_search'><form method=post class='form-inline' action=%s>
             <div class='input-append'>
                 <input class=span2 type=text name=user placeholder=\"Search for callers\" value='%s'>
                 <button class='btn btn-primary' type=submit><i class='icon-search'></i></button>
             </div>
             </form></div>
             ",
             $_SERVER['PHP_SELF'],
             isset($_REQUEST['user']) ? $_REQUEST['user'] : ''
         );
 
         print "<script type=\"text/javascript\">
             $(document).ready(function() {
                 console.log($('#session_search'));
                     $('#session_search').detach().appendTo('#sessions_title');
                 });</script>";
     }
 
     public function showHeader()
     {
         print "
         <html>
         <head>
           <title>Media sessions</title>
         </head>
 
         <body marginwidth=20 leftmargin=20 link=#000066 vlink=#006666 bgcolor=white>
         ";
     }
 
     public function showFooter()
     {
     }
 
     public function showAll()
     {
         $this->showHeader();
         if (!$this->allowedDomains) {
             $this->showSummary();
         }
         $this->showSearch();
         $this->showSessions();
         $this->showFooter();
     }
 
     public function showSummary()
     {
         $this->getSummary();
 
         if (!is_array($this->summary) || !count($this->summary)) {
             return;
         }
 
         if (count($this->allowedDomains)) {
             print "<div class=row>
             <table class='span10 table table-striped table-condesed'>
               <thead>
               <tr>
                 <th width=10px></th>
                 <th>
                 Address</td>
                 <th>
                 Relayed traffic</th>
                 <th>
                 Sessions</th>
                 <th>
                 Streams</th>
                 <th>
                 Status</th>
               </tr></thead>";
         } else {
             print "<div class=row>
             <table class='span10 table table-striped table-condensed'>
             <thead>
               <tr>
                 <th width=10px></th>
                 <th>
                 Address</td>
                 <th>
                 Version</td>
                 <th>
                  Uptime</th>
                 <th>
                 Relayed traffic</th>
                 <th>
                 Sessions</th>
                 <th>
                 Streams</th>
                 <th>
                 Status</th>
               </tr></thead>";
         }
         $i = 1;
 
         foreach ($this->summary as $relay) {
             unset($media_types);
             unset($streams);
 
             $streams = '';
             $media_types=count($relay['stream_count']);
 
             if ($media_types > 1) {
                 foreach (array_keys($relay['stream_count']) as $key) {
                     $streams .= sprintf("%s %s, ", $key, $relay['stream_count'][$key]);
                 }
                 $streams=chop($streams, ', ');
             } else {
                 foreach (array_keys($relay['stream_count']) as $key) {
                     $streams=sprintf("%s %s", $key, $relay['stream_count'][$key]);
                 }
             }
             $rClass= 'label-success';
             if ($relay['status'] == 'halting') {
                 $rClass = 'label-warning';
             }
             $relayStatus = sprintf("<span class=\"label %s\">%s</span>", $rClass, ucfirst($relay['status']));
 
             if (count($this->allowedDomains)) {
                 printf(
                     "
                     <tr>
                         <td>%d</td>
                         <td>%s</td>
                         <td>%s</td>
                         <td>%d</td>
                         <td valign=top>%s</td>
                         <td>%s</td>
                     </tr>",
                     $i,
                     $this->ip2host($relay['ip']),
                     $this->normalizeTraffic($relay['bps_relayed']),
                     $relay['session_count'],
                     $streams,
                     $relayStatus
                 );
             } else {
                 printf(
                     "
                     <tr>
                         <td>%d</td>
                         <td>%s</td>
                         <td>%s</td>
                         <td>%s</td>
                         <td>%s</td>
                         <td>%d</td>
                         <td valign=top>%s</td>
                         <td>%s</td>
                     </tr>",
                     $i,
                     $this->ip2host($relay['ip']),
                     $relay['version'],
                     $this->normalizeTime($relay['uptime']),
                     $this->normalizeTraffic($relay['bps_relayed']),
                     $relay['session_count'],
                     $streams,
                     $relayStatus
                 );
             }
             $i++;
         }
 
         print "
         </table></div>
         ";
     }
 
     public function showSessions()
     {
-        if (!count($this->sessions)) {
+        if (!is_array($this->sessions) || !count($this->sessions)) {
             print '<h2 id="sessions_title">Sessions</h2>';
             return;
         }
         printf('<h2 id="sessions_title">Sessions (%d)</h2>', count($this->sessions));
 
         print '<table id="sessions" class="table-condensed table">';
 
         foreach ($this->sessions as $session) {
             $from = $session->from_uri;
             $to   = $session->to_uri;
             $sessionId = $session->call_id; # rtrim(base64_encode(hash('md5', $session->call_id, true)), "=");
             $fromAgent = $session->caller_ua;
             $toAgent   = $session->callee_ua;
             $fromImage = $this->getImageForUserAgent($fromAgent);
             $toImage = $this->getImageForUserAgent($toAgent);
             $streamsRowSpan = count($session->streams) + 1;
 
             printf(
                 '
                 <tr>
                     <td style="text-align:center; vertical-align:middle; height:30px; width:30px">%s</td>
                     <td style="text-align:center; vertical-align:middle; width: 30px;">%s</td>
                     <td colspan="9" style="font-size:10pt;vertical-align: middle">
                     <div style="display:flex">
                         <div><nobr><b>From:</b> %s</nobr></div>
                         <div style="flex: 1 1 auto; margin-left:5px; margin-right: 5px">
                             <div class="sarrow right" style="display: inline-block;">
                                 <span style="position: absolute; transform: translate(-50%%, -50%%); top: 50%%; left: 50%%; font-family: monospace, courier; font-size: 8pt;" class="label label-inverse">%s</span>
                             </div>
                         </div>
                         <div><nobr><b>To:</b> %s</nobr</div>
                     </div>
                     </td>
                 </tr>
                 ',
                 $fromImage,
                 $toImage,
                 $from,
                 $sessionId,
                 $to
             );
 
             // Header row for call sessions
             printf(
                 '
                 <tr valign=bottom>
                     <td colspan="2" rowspan="%d"></td>
                     <th style="text-align: left">Type/Codec</th>
                     <th><nobr>Caller address</nobr></th>
                     <th>Relay caller</th>
                     <th>Relay callee</th>
                     <th><nobr>Callee address</nobr></th>
                     <th>Status</th>
                     <th>Duration</th>
                     <th>Bytes Caller</th>
                     <th>Bytes Called</th>
                 </tr>
                 ',
                 $streamsRowSpan
             );
 
             $duration = $this->normalizeTime($session->duration);
             if (count($session->streams) > 0) {
                 foreach ($session->streams as $streamInfo) {
                     $status = $streamInfo->status;
                     $statusClass = "";
 
                     if ($status == "idle" || $status == "hold") {
                         $idletime = $this->normalizeTime($streamInfo->timeout_wait);
                         $status = sprintf("%s %s", $status, $idletime);
                     } elseif ($status == "closed") {
                         $statusClass = "muted";
                     }
 
                     $caller = $streamInfo->caller_remote;
                     $callee = $streamInfo->callee_remote;
                     $relay_caller  = $streamInfo->caller_local;
                     $relay_callee  = $streamInfo->callee_local;
 
                     if (substr_count($relay_caller, ":") == 1) {
                         // Probaly ipv4
                         $relay_caller_data = explode(":", $relay_caller);
                         $relay_caller = $this->ip2host($relay_caller_data[0]).":".$relay_caller_data[1];
                     }
 
                     if (substr_count($relay_callee, ":") == 1) {
                         // Probaly ipv4
                         $relay_callee_data = explode(":", $relay_callee);
                         $relay_callee = $this->ip2host($relay_callee_data[0]).":".$relay_callee_data[1];
                     }
                     $codec  = $streamInfo->caller_codec;
                     $type   = $streamInfo->media_type;
 
                     if ($caller == '?.?.?.?:?') {
                         $caller = '&#150;';  // a dash
                         $align1 = 'center';
                     } else {
                         $align1 = 'left';
                     }
                     if ($callee == '?.?.?.?:?') {
                         $callee = '&#150;';  // a dash
                         $align2 = 'center';
                     } else {
                         $align2 = 'left';
                     }
                     if ($codec == 'Unknown') {
                         $codec = '&#150;';   // a dash
                     } else {
                         $codec  = "<span class=\"label label-info\">$codec</span>";
                     }
                     if ($type == 'Unknown') {
                         $type = '&#150;';    // a dash
                     } elseif ($type == 'video') {
                         $type  = "<span class=\"badge badge-success\">$type</span>";
                     } elseif ($type == 'audio') {
                         $type  = "<span class=\"badge badge-info\">$type</span>";
                     } else {
                         $type  = "<span class=\"badge\">$type</span>";
                     }
                     $bytes_in1 = $this->normalizeBytes($streamInfo->caller_bytes);
                     $bytes_in2 = $this->normalizeBytes($streamInfo->callee_bytes);
                     printf(
                         '
                         <tr>
                             <td class="%s"><nobr>%s %s</nobr></td>
                             <td class="%s" align="%s">%s</td>
                             <td class="%s">%s</td>
                             <td class="%s">%s</td>
                             <td class="%s" align="%s">%s</td>
                             <td class="%s" style="text-align: center;"><nobr>%s</nobr></td>
                             <td class="%s" style="text-align:right;">%s</td>
                             <td class="%s" style="text-align:right;">%s</td>
                             <td class="%s" style="text-align:right;">%s</td>
                         </tr>
                         ',
                         $statusClass,
                         $type,
                         $codec,
                         $statusClass,
                         $align1,
                         $caller,
                         $statusClass,
                         $relay_caller,
                         $statusClass,
                         $relay_callee,
                         $statusClass,
                         $align2,
                         $callee,
                         $statusClass,
                         $status,
                         $statusClass,
                         $duration,
                         $statusClass,
                         $bytes_in1,
                         $statusClass,
                         $bytes_in2
                     );
                 }
             } else {
                 print '<td colspan="9">&nbsp;</td></tr>';
             }
             // Spacer row
             print '<tr><td colspan="11" style="border-left: 0px; border-right-color: white;">&nbsp;</td></tr>';
         }
         print "</table><br />";
     }
 
     private function normalizeBytes($bytes)
     {
         $mb = $bytes / 1024 / 1024.0;
         $kb = $bytes / 1024.0;
         if ($mb >= 0.95) {
             return sprintf("%.2fM", $mb);
         } elseif ($kb >= 1) {
             return sprintf("%.2fk", $kb);
         } else {
             return sprintf("%d", $bytes);
         }
     }
 
     private function normalizeTime($period)
     {
         $sec = $period % 60;
         $min = floor($period / 60);
         $h   = floor($min / 60);
         $d   = floor($h / 24);
         $min = $min % 60;
         $h   = $h % 24;
 
         if ($d >= 1) {
             return sprintf('%dd %dh %02d\' %02d"', $d, $h, $min, $sec);
         } else if ($h >= 1) {
             return sprintf('%dh %02d\' %02d"', $h, $min, $sec);
         } else {
             return sprintf('%d\' %02d"', $min, $sec);
         }
     }
 
     private function normalizeTraffic($traffic)
     {
         // input is in bits/second
         $mb = $traffic / 1024 / 1024.0;
         $gb = $traffic / 1024 / 1024 / 1024;
         $kb = $traffic / 1024.0;
         if ($gb >= 0.95) {
             return sprintf("%.2f Gbit/s", $gb);
         } elseif ($mb >= 0.95) {
             return sprintf("%.2f Mbit/s", $mb);
         } elseif ($kb >= 1) {
             return sprintf("%.2f Kbit/s", $kb);
         } elseif ($traffic == 0) {
             return $traffic;
         } else {
             return sprintf("%d bit/s", $traffic);
         }
     }
 
     public function getImageForUserAgent($agent)
     {
         foreach ($this->userAgentImages as $agentRegexp => $image) {
             if (preg_match("/$agentRegexp/i", $agent)) {
                 if ($image == 'asterisk.png') {
                     return sprintf(
                         '<i style="font-size:25px" class="icon-asterisk"
                             title="%s"
                             onmouseover=\'window.status="%s";\' onmouseout=\'window.status="";\'
                          ></i>',
                         $agent,
                         $agent
                     );
                 }
                 return sprintf(
                     '<img src="images/%s" alt="%s" title="%s"
                           onmouseover=\'window.status="%s";\' onmouseout=\'window.status="";\'
                           style="border: 0; max-height:30px; max-width:30px;"
                     />',
                     $image,
                     $agent,
                     $agent,
                     $agent
                 );
             }
         }
 
         return "<i style=\"font-size:28px\" class=\"icon-question\" title=\"$agent\"
                    onmouseover='window.status=\"$agent\";' onmouseout='window.status=\"\";'></i>";
     }
 
     public function ip2host($ip)
     {
         return $ip;
     }
 }
 
 class MediaSessionsNGNPro extends MediaSessions
 {
     private $soapEngineId;
     private $SOAPlogin;
     private $SoapAuth;
     private $SOAPurl;
     private $soapclient;
 
     // get Media session from NGNPro
     public function __construct($engineId, $allowedDomains = array(), $filters = array())
     {
         if (!strlen($engineId)) {
             return false;
         }
 
         $this->soapEngineId   = $engineId;
         $this->filters        = $filters;
         $this->allowedDomains = $allowedDomains;
 
         $this->getUserAgentPictures();
 
         require "/etc/cdrtool/ngnpro_engines.inc";
         require_once "ngnpro_soap_library.php";
 
         if (!strlen($this->soapEngineId)) {
             return false;
         }
         if (!$soapEngines[$this->soapEngineId]) {
             return false;
         }
 
         $this->SOAPlogin = array(
             "username"  => $soapEngines[$this->soapEngineId]['username'],
             "password"  => $soapEngines[$this->soapEngineId]['password'],
             "admin"     => true
         );
 
         $this->SOAPurl = $soapEngines[$this->soapEngineId]['url'];
 
         $this->SoapAuth = array('auth', $this->SOAPlogin , 'urn:AGProjects:NGNPro', 0, '');
 
         // Instantiate the SOAP client
         $this->soapclient = new WebService_NGNPro_SipPort($this->SOAPurl);
 
         $this->soapclient->setOpt('curl', CURLOPT_TIMEOUT, 5);
         $this->soapclient->setOpt('curl', CURLOPT_SSL_VERIFYPEER, 0);
         $this->soapclient->setOpt('curl', CURLOPT_SSL_VERIFYHOST, 0);
 
         if (is_array($soapEngines[$this->soapEngineId]['hostnames'])) {
             $this->hostnames = $soapEngines[$this->soapEngineId]['hostnames'];
         } else {
             $this->hostnames = array();
         }
     }
 
     public function fetchSessionFromNetwork()
     {
         if (!is_object($this->soapclient)) {
             return false;
         }
 
         $this->soapclient->addHeader($this->SoapAuth);
         $result     = $this->soapclient->getMediaSessions();
 
         if ((new PEAR)->isError($result)) {
             $error_msg   = $result->getMessage();
             $error_fault = $result->getFault();
             $error_code  = $result->getCode();
 
             printf(
                 "<font color=red>Error from %s: %s: %s</font>",
                 $this->SOAPurl,
                 $error_fault->detail->exception->errorcode,
                 $error_fault->detail->exception->errorstring
             );
             return false;
         }
 
         return json_decode($result);
     }
 
     public function fetchSummaryFromNetwork()
     {
         if (!is_object($this->soapclient)) {
             return array();
         }
 
         $this->soapclient->addHeader($this->SoapAuth);
         $result = $this->soapclient->getMediaSummary();
 
         if ((new PEAR)->isError($result)) {
             $error_msg   = $result->getMessage();
             $error_fault = $result->getFault();
             $error_code  = $result->getCode();
 
             printf(
                 "<font color=red>Error from %s: %s: %s</font>",
                 $this->SOAPurl,
                 $error_fault->detail->exception->errorcode,
                 $error_fault->detail->exception->errorstring
             );
             return array();
         }
         return json_decode($result, true);
     }
 
     public function ip2host($ip)
     {
         if ($this->hostnames[$ip]) {
             return $this->hostnames[$ip];
         } else {
             return $ip;
         }
     }
 
     public function endsWith($string, $endString)
     {
         $len = strlen($endString);
         if ($len == 0) {
             return true;
         }
         return (substr($string, -$len) === $endString);
     }
 }
 ?>