Browse Source

Allow local configuration in separate (script).local.php file

- separate the local user/pass configuration from the script
- only use defaults if local config is not defined
- source code split into a number of shorter functions for better readability
Frédéric G. MARAND 12 years ago
parent
commit
cf8a9147b8
2 changed files with 771 additions and 681 deletions
  1. 2 0
      .gitignore
  2. 769 681
      memcache.php

+ 2 - 0
.gitignore

@@ -0,0 +1,2 @@
+.project
+.settings

+ 769 - 681
memcache.php

@@ -19,273 +19,314 @@
 
 $VERSION='$Id: memcache.php,v 1.1.2.3 2008/08/28 18:07:54 mikl Exp $';
 
-define('ADMIN_USERNAME','memcache'); 	// Admin Username
-define('ADMIN_PASSWORD','password');  	// Admin Password
-define('DATE_FORMAT','Y/m/d H:i:s');
-define('GRAPH_SIZE',200);
-define('MAX_ITEM_DUMP',50);
-
-$MEMCACHE_SERVERS[] = 'mymemcache-server1:11211'; // add more as an array
-$MEMCACHE_SERVERS[] = 'mymemcache-server2:11211'; // add more as an array
+define('DATE_FORMAT', 'Y/m/d H:i:s');
+define('GRAPH_SIZE', 200);
+define('MAX_ITEM_DUMP', 50);
+
+// Allow local configuration: change local values in (this file).local.php
+$file = $_SERVER['SCRIPT_FILENAME'];
+$local = preg_replace('/(.*)(\.php)$/', '$1.local$2', $file);
+if (is_readable($local)) {
+  // echo "<p>Loading local config from $local</p>";
+  require $local;
+}
 
+if (!defined('ADMIN_USERNAME')) {
+  define('ADMIN_USERNAME', 'memcache');
+}
+if (!defined('ADMIN_PASSWORD')) {
+  define('ADMIN_PASSWORD', 'password');
+}
+if (empty($MEMCACHE_SERVERS)) {
+  $MEMCACHE_SERVERS[] = 'mymemcache-server1:11211'; // add more as an array
+  $MEMCACHE_SERVERS[] = 'mymemcache-server2:11211'; // add more as an array
+}
 
 ////////// END OF DEFAULT CONFIG AREA /////////////////////////////////////////////////////////////
 
 ///////////////// Password protect ////////////////////////////////////////////////////////////////
 if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']) ||
-           $_SERVER['PHP_AUTH_USER'] != ADMIN_USERNAME ||$_SERVER['PHP_AUTH_PW'] != ADMIN_PASSWORD) {
-			Header("WWW-Authenticate: Basic realm=\"Memcache Login\"");
-			Header("HTTP/1.0 401 Unauthorized");
-
-			echo <<<EOB
-				<html><body>
-				<h1>Rejected!</h1>
-				<big>Wrong Username or Password!</big>
-				</body></html>
+  $_SERVER['PHP_AUTH_USER'] != ADMIN_USERNAME ||$_SERVER['PHP_AUTH_PW'] != ADMIN_PASSWORD) {
+  Header("WWW-Authenticate: Basic realm=\"Memcache Login\"");
+  Header("HTTP/1.0 401 Unauthorized");
+
+  echo <<<EOB
+        <html><body>
+        <h1>Rejected!</h1>
+        <big>Wrong Username or Password!</big>
+        </body></html>
 EOB;
-			exit;
+  exit;
 }
 
 ///////////MEMCACHE FUNCTIONS /////////////////////////////////////////////////////////////////////
 
-function sendMemcacheCommands($command){
-    global $MEMCACHE_SERVERS;
-	$result = array();
-
-	foreach($MEMCACHE_SERVERS as $server){
-		$strs = explode(':',$server);
-		$host = $strs[0];
-		$port = $strs[1];
-		$result[$server] = sendMemcacheCommand($host,$port,$command);
-	}
-	return $result;
-}
-function sendMemcacheCommand($server,$port,$command){
-
-	$s = @fsockopen($server,$port);
-	if (!$s){
-		die("Cant connect to:".$server.':'.$port);
-	}
-
-	fwrite($s, $command."\r\n");
-
-	$buf='';
-	while ((!feof($s))) {
-		$buf .= fgets($s, 256);
-		if (strpos($buf,"END\r\n")!==false){ // stat says end
-		    break;
-		}
-		if (strpos($buf,"DELETED\r\n")!==false || strpos($buf,"NOT_FOUND\r\n")!==false){ // delete says these
-		    break;
-		}
-		if (strpos($buf,"OK\r\n")!==false){ // flush_all says ok
-		    break;
-		}
-	}
-    fclose($s);
-    return parseMemcacheResults($buf);
+function sendMemcacheCommands($command) {
+  global $MEMCACHE_SERVERS;
+
+  $result = array();
+
+  foreach ($MEMCACHE_SERVERS as $server) {
+    $strs = explode(':', $server);
+    $host = $strs[0];
+    $port = $strs[1];
+    $result[$server] = sendMemcacheCommand($host, $port, $command);
+  }
+
+  return $result;
+}
+
+function sendMemcacheCommand($server, $port, $command) {
+  $s = @fsockopen($server,$port);
+  if (!$s){
+    die("Can't connect to:". $server .':'. $port);
+  }
+
+  fwrite($s, $command."\r\n");
+
+  $buf = '';
+  while ((!feof($s))) {
+    $buf .= fgets($s, 256);
+    if (strpos($buf, "END\r\n") !== false){ // stat says end
+      break;
+    }
+    if (strpos($buf, "DELETED\r\n") !== false || strpos($buf, "NOT_FOUND\r\n") !== false) { // delete says these
+      break;
+    }
+    if (strpos($buf, "OK\r\n") !== false){ // flush_all says ok
+      break;
+    }
+  }
+
+  fclose($s);
+  return parseMemcacheResults($buf);
 }
+
 function parseMemcacheResults($str){
-    
-	$res = array();
-	$lines = explode("\r\n",$str);
-	$cnt = count($lines);
-	for($i=0; $i< $cnt; $i++){
-	    $line = $lines[$i];
-		$l = explode(' ',$line,3);
-		if (count($l)==3){
-			$res[$l[0]][$l[1]]=$l[2];
-			if ($l[0]=='VALUE'){ // next line is the value
-			    $res[$l[0]][$l[1]] = array();
-			    list ($flag,$size)=explode(' ',$l[2]);
-			    $res[$l[0]][$l[1]]['stat']=array('flag'=>$flag,'size'=>$size);
-			    $res[$l[0]][$l[1]]['value']=$lines[++$i];
-			}
-		}elseif($line=='DELETED' || $line=='NOT_FOUND' || $line=='OK'){
-		    return $line;
-		}
-	}
-	return $res;
-
-}
-
-function dumpCacheSlab($server,$slabId,$limit){
-    list($host,$port) = explode(':',$server);
-    $resp = sendMemcacheCommand($host,$port,'stats cachedump '.$slabId.' '.$limit);
-
-   return $resp;
-
-}
-
-function flushServer($server){
-    list($host,$port) = explode(':',$server);
-    $resp = sendMemcacheCommand($host,$port,'flush_all');
-    return $resp;
-}
-function getCacheItems(){
- $items = sendMemcacheCommands('stats items');
- $serverItems = array();
- $totalItems = array();
- foreach ($items as $server=>$itemlist){
+  $res = array();
+  $lines = explode("\r\n", $str);
+  $cnt = count($lines);
+  for($i=0 ; $i< $cnt ; $i++) {
+    $line = $lines[$i];
+    $l = explode(' ', $line, 3);
+    if (count($l) == 3) {
+      $res[$l[0]][$l[1]] = $l[2];
+      if ($l[0] == 'VALUE') { // next line is the value
+        $res[$l[0]][$l[1]] = array();
+        list ($flag, $size) = explode(' ', $l[2]);
+        $res[$l[0]][$l[1]]['stat'] = array(
+          'flag' => $flag,
+          'size' => $size,
+        );
+        $res[$l[0]][$l[1]]['value'] = $lines[++$i];
+      }
+    }
+    elseif ($line == 'DELETED' || $line == 'NOT_FOUND' || $line == 'OK') {
+      return $line;
+    }
+  }
+
+  return $res;
+}
+
+function dumpCacheSlab($server, $slabId, $limit) {
+  list($host, $port) = explode(':',$server);
+  $resp = sendMemcacheCommand($host, $port, 'stats cachedump '. $slabId .' '. $limit);
+
+  return $resp;
+}
+
+function flushServer($server) {
+  list($host, $port) = explode(':', $server);
+  $resp = sendMemcacheCommand($host, $port, 'flush_all');
+
+  return $resp;
+}
+
+function getCacheItems() {
+  $items = sendMemcacheCommands('stats items');
+  $serverItems = array();
+  $totalItems = array();
+  foreach ($items as $server => $itemlist) {
     $serverItems[$server] = array();
-    $totalItems[$server]=0;
-    if (!isset($itemlist['STAT'])){
-        continue;
+    $totalItems[$server] = 0;
+    if (!isset($itemlist['STAT'])) {
+      continue;
     }
 
     $iteminfo = $itemlist['STAT'];
 
-    foreach($iteminfo as $keyinfo=>$value){
-        if (preg_match('/items\:(\d+?)\:(.+?)$/',$keyinfo,$matches)){
-            $serverItems[$server][$matches[1]][$matches[2]] = $value;
-            if ($matches[2]=='number'){
-                $totalItems[$server] +=$value;
-            }
+    foreach($iteminfo as $keyinfo => $value) {
+      if (preg_match('/items\:(\d+?)\:(.+?)$/', $keyinfo, $matches)) {
+        $serverItems[$server][$matches[1]][$matches[2]] = $value;
+        if ($matches[2] == 'number') {
+          $totalItems[$server] +=$value;
         }
+      }
     }
- }
- return array('items'=>$serverItems,'counts'=>$totalItems);
-}
-function getMemcacheStats($total=true){
-	$resp = sendMemcacheCommands('stats');
-	if ($total){
-		$res = array();
-		foreach($resp as $server=>$r){
-			foreach($r['STAT'] as $key=>$row){
-				if (!isset($res[$key])){
-					$res[$key]=null;
-				}
-				switch ($key){
-					case 'pid':
-						$res['pid'][$server]=$row;
-						break;
-					case 'uptime':
-						$res['uptime'][$server]=$row;
-						break;
-					case 'time':
-						$res['time'][$server]=$row;
-						break;
-					case 'version':
-						$res['version'][$server]=$row;
-						break;
-					case 'pointer_size':
-						$res['pointer_size'][$server]=$row;
-						break;
-					case 'rusage_user':
-						$res['rusage_user'][$server]=$row;
-						break;
-					case 'rusage_system':
-						$res['rusage_system'][$server]=$row;
-						break;
-					case 'curr_items':
-						$res['curr_items']+=$row;
-						break;
-					case 'total_items':
-						$res['total_items']+=$row;
-						break;
-					case 'bytes':
-						$res['bytes']+=$row;
-						break;
-					case 'curr_connections':
-						$res['curr_connections']+=$row;
-						break;
-					case 'total_connections':
-						$res['total_connections']+=$row;
-						break;
-					case 'connection_structures':
-						$res['connection_structures']+=$row;
-						break;
-					case 'cmd_get':
-						$res['cmd_get']+=$row;
-						break;
-					case 'cmd_set':
-						$res['cmd_set']+=$row;
-						break;
-					case 'get_hits':
-						$res['get_hits']+=$row;
-						break;
-					case 'get_misses':
-						$res['get_misses']+=$row;
-						break;
-					case 'evictions':
-						$res['evictions']+=$row;
-						break;
-					case 'bytes_read':
-						$res['bytes_read']+=$row;
-						break;
-					case 'bytes_written':
-						$res['bytes_written']+=$row;
-						break;
-					case 'limit_maxbytes':
-						$res['limit_maxbytes']+=$row;
-						break;
-					case 'threads':
-						$res['rusage_system'][$server]=$row;
-						break;
-				}
-			}
-		}
-		return $res;
-	}
-	return $resp;
+  }
+
+  return array('items'=>$serverItems,'counts'=>$totalItems);
 }
 
-//////////////////////////////////////////////////////
+function getMemcacheStats($total = true) {
+  $resp = sendMemcacheCommands('stats');
+  if ($total){
+    $res = array();
+    foreach($resp as $server => $r) {
+      foreach ($r['STAT'] as $key => $row) {
+        if (!isset($res[$key])) {
+          $res[$key] = null;
+        }
+        switch ($key){
+          case 'pid':
+            $res['pid'][$server] = $row;
+            break;
+          case 'uptime':
+            $res['uptime'][$server] = $row;
+            break;
+          case 'time':
+            $res['time'][$server] = $row;
+            break;
+          case 'version':
+            $res['version'][$server] = $row;
+            break;
+          case 'pointer_size':
+            $res['pointer_size'][$server] = $row;
+            break;
+          case 'rusage_user':
+            $res['rusage_user'][$server] = $row;
+            break;
+          case 'rusage_system':
+            $res['rusage_system'][$server] = $row;
+            break;
+          case 'curr_items':
+            $res['curr_items'] += $row;
+            break;
+          case 'total_items':
+            $res['total_items'] += $row;
+            break;
+          case 'bytes':
+            $res['bytes'] += $row;
+            break;
+          case 'curr_connections':
+            $res['curr_connections'] += $row;
+            break;
+          case 'total_connections':
+            $res['total_connections'] += $row;
+            break;
+          case 'connection_structures':
+            $res['connection_structures'] += $row;
+            break;
+          case 'cmd_get':
+            $res['cmd_get'] += $row;
+            break;
+          case 'cmd_set':
+            $res['cmd_set'] += $row;
+            break;
+          case 'get_hits':
+            $res['get_hits'] += $row;
+            break;
+          case 'get_misses':
+            $res['get_misses'] += $row;
+            break;
+          case 'evictions':
+            $res['evictions'] += $row;
+            break;
+          case 'bytes_read':
+            $res['bytes_read'] += $row;
+            break;
+          case 'bytes_written':
+            $res['bytes_written'] += $row;
+            break;
+          case 'limit_maxbytes':
+            $res['limit_maxbytes'] += $row;
+            break;
+          case 'threads':
+            $res['rusage_system'][$server]= $row;
+            break;
+        }
+      }
+    }
+    return $res;
+  }
 
-//
-// don't cache this page
-//
-header("Cache-Control: no-store, no-cache, must-revalidate");  // HTTP/1.1
-header("Cache-Control: post-check=0, pre-check=0", false);
-header("Pragma: no-cache");                                    // HTTP/1.0
+  return $resp;
+}
 
 function duration($ts) {
-    global $time;
-    $years = (int)((($time - $ts)/(7*86400))/52.177457);
-    $rem = (int)(($time-$ts)-($years * 52.177457 * 7 * 86400));
-    $weeks = (int)(($rem)/(7*86400));
-    $days = (int)(($rem)/86400) - $weeks*7;
-    $hours = (int)(($rem)/3600) - $days*24 - $weeks*7*24;
-    $mins = (int)(($rem)/60) - $hours*60 - $days*24*60 - $weeks*7*24*60;
-    $str = '';
-    if($years==1) $str .= "$years year, ";
-    if($years>1) $str .= "$years years, ";
-    if($weeks==1) $str .= "$weeks week, ";
-    if($weeks>1) $str .= "$weeks weeks, ";
-    if($days==1) $str .= "$days day,";
-    if($days>1) $str .= "$days days,";
-    if($hours == 1) $str .= " $hours hour and";
-    if($hours>1) $str .= " $hours hours and";
-    if($mins == 1) $str .= " 1 minute";
-    else $str .= " $mins minutes";
-    return $str;
+  global $time;
+  $years = (int) ((($time - $ts) / (7 * 86400)) / 52.177457);
+  $rem = (int) (($time-$ts) - ($years * 52.177457 * 7 * 86400));
+  $weeks = (int) (($rem) / (7*86400));
+  $days = (int) (($rem) / 86400) - $weeks * 7;
+  $hours = (int) (($rem) / 3600) - $days * 24 - $weeks * 7 * 24;
+  $mins = (int) (($rem) / 60) - $hours * 60 - $days * 24 * 60 - $weeks * 7 * 24 * 60;
+  $str = '';
+  if ($years == 1) {
+    $str .= "$years year, ";
+  }
+  if ($years > 1) {
+    $str .= "$years years, ";
+  }
+  if ($weeks == 1) {
+    $str .= "$weeks week, ";
+  }
+  if ($weeks > 1) {
+    $str .= "$weeks weeks, ";
+  }
+  if ($days == 1) {
+    $str .= "$days day,";
+  }
+  if ($days > 1) {
+    $str .= "$days days,";
+  }
+  if ($hours == 1) {
+    $str .= " $hours hour and";
+  }
+  if ($hours > 1) {
+    $str .= " $hours hours and";
+  }
+  if ($mins == 1) {
+    $str .= " 1 minute";
+  }
+  else {
+    $str .= " $mins minutes";
+  }
+
+  return $str;
 }
 
 // create graphics
 //
 function graphics_avail() {
-	return extension_loaded('gd');
+  return extension_loaded('gd');
 }
 
 function bsize($s) {
-	foreach (array('','K','M','G') as $i => $k) {
-		if ($s < 1024) break;
-		$s/=1024;
-	}
-	return sprintf("%5.1f %sBytes",$s,$k);
+  foreach (array('', 'Ki', 'Mi', 'Gi', 'Ti') as $i => $k) {
+    if ($s < 1024) {
+      break;
+    }
+    $s /= 1024;
+  }
+
+  return sprintf("%5.1f %sBytes", $s, $k);
 }
 
 // create menu entry
-function menu_entry($ob,$title) {
-	global $PHP_SELF;
-	if ($ob==$_GET['op']){
-	    return "<li><a class=\"child_active\" href=\"$PHP_SELF&op=$ob\">$title</a></li>";
-	}
-	return "<li><a class=\"active\" href=\"$PHP_SELF&op=$ob\">$title</a></li>";
+function menu_entry($ob, $title) {
+  global $PHP_SELF;
+
+  if ($ob == $_GET['op']) {
+    return "<li><a class=\"child_active\" href=\"$PHP_SELF&op=$ob\">$title</a></li>";
+  }
+
+  return "<li><a class=\"active\" href=\"$PHP_SELF&op=$ob\">$title</a></li>";
 }
 
-function getHeader(){
-    $header = <<<EOB
+function getHeader() {
+  $header = <<<EOB
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 <html>
 <head><title>MEMCACHE INFO</title>
@@ -307,104 +348,104 @@ h1.memcache { background:rgb(153,153,204); margin:0; padding:0.5em 1em 0.5em 1em
 * html h1.memcache { margin-bottom:-7px; }
 h1.memcache a:hover { text-decoration:none; color:rgb(90,90,90); }
 h1.memcache span.logo {
-	background:rgb(119,123,180);
-	color:black;
-	border-right: solid black 1px;
-	border-bottom: solid black 1px;
-	font-style:italic;
-	font-size:1em;
-	padding-left:1.2em;
-	padding-right:1.2em;
-	text-align:right;
-	display:block;
-	width:130px;
-	}
+  background:rgb(119,123,180);
+  color:black;
+  border-right: solid black 1px;
+  border-bottom: solid black 1px;
+  font-style:italic;
+  font-size:1em;
+  padding-left:1.2em;
+  padding-right:1.2em;
+  text-align:right;
+  display:block;
+  width:130px;
+  }
 h1.memcache span.logo span.name { color:white; font-size:0.7em; padding:0 0.8em 0 2em; }
 h1.memcache span.nameinfo { color:white; display:inline; font-size:0.4em; margin-left: 3em; }
 h1.memcache div.copy { color:black; font-size:0.4em; position:absolute; right:1em; }
 hr.memcache {
-	background:white;
-	border-bottom:solid rgb(102,102,153) 1px;
-	border-style:none;
-	border-top:solid rgb(102,102,153) 10px;
-	height:12px;
-	margin:0;
-	margin-top:1px;
-	padding:0;
+  background:white;
+  border-bottom:solid rgb(102,102,153) 1px;
+  border-style:none;
+  border-top:solid rgb(102,102,153) 10px;
+  height:12px;
+  margin:0;
+  margin-top:1px;
+  padding:0;
 }
 
 ol,menu { margin:1em 0 0 0; padding:0.2em; margin-left:1em;}
 ol.menu li { display:inline; margin-right:0.7em; list-style:none; font-size:85%}
 ol.menu a {
-	background:rgb(153,153,204);
-	border:solid rgb(102,102,153) 2px;
-	color:white;
-	font-weight:bold;
-	margin-right:0em;
-	padding:0.1em 0.5em 0.1em 0.5em;
-	text-decoration:none;
-	margin-left: 5px;
-	}
+  background:rgb(153,153,204);
+  border:solid rgb(102,102,153) 2px;
+  color:white;
+  font-weight:bold;
+  margin-right:0em;
+  padding:0.1em 0.5em 0.1em 0.5em;
+  text-decoration:none;
+  margin-left: 5px;
+  }
 ol.menu a.child_active {
-	background:rgb(153,153,204);
-	border:solid rgb(102,102,153) 2px;
-	color:white;
-	font-weight:bold;
-	margin-right:0em;
-	padding:0.1em 0.5em 0.1em 0.5em;
-	text-decoration:none;
-	border-left: solid black 5px;
-	margin-left: 0px;
-	}
+  background:rgb(153,153,204);
+  border:solid rgb(102,102,153) 2px;
+  color:white;
+  font-weight:bold;
+  margin-right:0em;
+  padding:0.1em 0.5em 0.1em 0.5em;
+  text-decoration:none;
+  border-left: solid black 5px;
+  margin-left: 0px;
+  }
 ol.menu span.active {
-	background:rgb(153,153,204);
-	border:solid rgb(102,102,153) 2px;
-	color:black;
-	font-weight:bold;
-	margin-right:0em;
-	padding:0.1em 0.5em 0.1em 0.5em;
-	text-decoration:none;
-	border-left: solid black 5px;
-	}
+  background:rgb(153,153,204);
+  border:solid rgb(102,102,153) 2px;
+  color:black;
+  font-weight:bold;
+  margin-right:0em;
+  padding:0.1em 0.5em 0.1em 0.5em;
+  text-decoration:none;
+  border-left: solid black 5px;
+  }
 ol.menu span.inactive {
-	background:rgb(193,193,244);
-	border:solid rgb(182,182,233) 2px;
-	color:white;
-	font-weight:bold;
-	margin-right:0em;
-	padding:0.1em 0.5em 0.1em 0.5em;
-	text-decoration:none;
-	margin-left: 5px;
-	}
+  background:rgb(193,193,244);
+  border:solid rgb(182,182,233) 2px;
+  color:white;
+  font-weight:bold;
+  margin-right:0em;
+  padding:0.1em 0.5em 0.1em 0.5em;
+  text-decoration:none;
+  margin-left: 5px;
+  }
 ol.menu a:hover {
-	background:rgb(193,193,244);
-	text-decoration:none;
-	}
+  background:rgb(193,193,244);
+  text-decoration:none;
+  }
 
 
 div.info {
-	background:rgb(204,204,204);
-	border:solid rgb(204,204,204) 1px;
-	margin-bottom:1em;
-	}
+  background:rgb(204,204,204);
+  border:solid rgb(204,204,204) 1px;
+  margin-bottom:1em;
+  }
 div.info h2 {
-	background:rgb(204,204,204);
-	color:black;
-	font-size:1em;
-	margin:0;
-	padding:0.1em 1em 0.1em 1em;
-	}
+  background:rgb(204,204,204);
+  color:black;
+  font-size:1em;
+  margin:0;
+  padding:0.1em 1em 0.1em 1em;
+  }
 div.info table {
-	border:solid rgb(204,204,204) 1px;
-	border-spacing:0;
-	width:100%;
-	}
+  border:solid rgb(204,204,204) 1px;
+  border-spacing:0;
+  width:100%;
+  }
 div.info table th {
-	background:rgb(204,204,204);
-	color:white;
-	margin:0;
-	padding:0.1em 1em 0.1em 1em;
-	}
+  background:rgb(204,204,204);
+  color:white;
+  margin:0;
+  padding:0.1em 1em 0.1em 1em;
+  }
 div.info table th a.sortable { color:black; }
 div.info table tr.tr-0 { background:rgb(238,238,238); }
 div.info table tr.tr-1 { background:rgb(221,221,221); }
@@ -412,10 +453,10 @@ div.info table td { padding:0.3em 1em 0.3em 1em; }
 div.info table td.td-0 { border-right:solid rgb(102,102,153) 1px; white-space:nowrap; }
 div.info table td.td-n { border-right:solid rgb(102,102,153) 1px; }
 div.info table td h3 {
-	color:black;
-	font-size:1.1em;
-	margin-left:-0.3em;
-	}
+  color:black;
+  font-size:1.1em;
+  margin-left:-0.3em;
+  }
 .td-0 a , .td-n a, .tr-0 a , tr-1 a {
     text-decoration:underline;
 }
@@ -434,11 +475,11 @@ div.info table td dl dd {
 }
 div.info table td div.slab-dump {
   -moz-column-count: 3;
-	-moz-column-gap: 20px;
+  -moz-column-gap: 20px;
   -webkit-column-count: 3;
-	-webkit-column-gap: 20px;
-	column-count: 3;
-	column-gap: 20px;
+  -webkit-column-gap: 20px;
+  column-count: 3;
+  column-gap: 20px;
 }
 div.info table td a {
   display: block;
@@ -462,438 +503,485 @@ div.sorting { margin:1.5em 0em 1.5em 2em }
 .failed { color:rgb(200,0,0); font-weight:bold}
 
 span.box {
-	border: black solid 1px;
-	border-right:solid black 2px;
-	border-bottom:solid black 2px;
-	padding:0 0.5em 0 0.5em;
-	margin-right:1em;
+  border: black solid 1px;
+  border-right:solid black 2px;
+  border-bottom:solid black 2px;
+  padding:0 0.5em 0 0.5em;
+  margin-right:1em;
 }
 span.green { background:#60F060; padding:0 0.5em 0 0.5em}
 span.red { background:#D06030; padding:0 0.5em 0 0.5em }
 
 div.authneeded {
-	background:rgb(238,238,238);
-	border:solid rgb(204,204,204) 1px;
-	color:rgb(200,0,0);
-	font-size:1.2em;
-	font-weight:bold;
-	padding:2em;
-	text-align:center;
-	}
+  background:rgb(238,238,238);
+  border:solid rgb(204,204,204) 1px;
+  color:rgb(200,0,0);
+  font-size:1.2em;
+  font-weight:bold;
+  padding:2em;
+  text-align:center;
+  }
 
 input {
-	background:rgb(153,153,204);
-	border:solid rgb(102,102,153) 2px;
-	color:white;
-	font-weight:bold;
-	margin-right:1em;
-	padding:0.1em 0.5em 0.1em 0.5em;
-	}
+  background:rgb(153,153,204);
+  border:solid rgb(102,102,153) 2px;
+  color:white;
+  font-weight:bold;
+  margin-right:1em;
+  padding:0.1em 0.5em 0.1em 0.5em;
+  }
 //-->
 </style>
 </head>
 <body>
 <div class="head">
-	<h1 class="memcache">
-		<span class="logo"><a href="http://pecl.php.net/package/memcache">memcache</a></span>
-		<span class="nameinfo">memcache.php by <a href="http://livebookmark.net">Harun Yayli</a></span>
-	</h1>
-	<hr class="memcache">
+  <h1 class="memcache">
+    <span class="logo"><a href="http://pecl.php.net/package/memcache">memcache</a></span>
+    <span class="nameinfo">memcache.php by <a href="http://livebookmark.net">Harun Yayli</a></span>
+  </h1>
+  <hr class="memcache">
 </div>
 <div class=content>
 EOB;
 
-    return $header;
+  return $header;
 }
+
 function getFooter(){
-    global $VERSION;
-    $footer = '</div><!-- Based on apc.php '.$VERSION.'--></body>
+  global $VERSION;
+
+  $footer = '</div><!-- Based on apc.php '. $VERSION .'--></body>
 </html>
 ';
 
-    return $footer;
-
+  return $footer;
 }
-function getMenu(){
-    global $PHP_SELF;
-echo "<ol class=menu>";
-if ($_GET['op']!=4){
-echo <<<EOB
+
+function getMenu() {
+  global $PHP_SELF;
+
+  echo "<ol class=menu>";
+  if ($_GET['op']!=4){
+    echo <<<EOB
     <li><a href="$PHP_SELF&op={$_GET['op']}">Refresh Data</a></li>
 EOB;
-}
-else {
-echo <<<EOB
+  }
+  else {
+    echo <<<EOB
     <li><a href="$PHP_SELF&op=2}">Back</a></li>
 EOB;
-}
-echo
-	menu_entry(1,'View Host Stats'),
-	menu_entry(2,'Variables');
+  }
+
+  echo
+    menu_entry(1, 'View Host Stats'),
+    menu_entry(2, 'Variables');
 
-echo <<<EOB
-	</ol>
-	<br/>
+  echo <<<EOB
+  </ol>
+  <br/>
 EOB;
 }
 
-// TODO, AUTH
+function fill_arc($im, $centerX, $centerY, $diameter, $start, $end, $color1, $color2, $text = '', $placeindex = 0) {
+  $r = $diameter / 2;
+  $w = deg2rad((360 + $start + ($end - $start) / 2) % 360);
+
+  if (function_exists("imagefilledarc")) {
+    // exists only if GD 2.0.1 is avaliable
+    imagefilledarc($im, $centerX+1, $centerY+1, $diameter, $diameter, $start, $end, $color1, IMG_ARC_PIE);
+    imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2, IMG_ARC_PIE);
+    imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color1, IMG_ARC_NOFILL|IMG_ARC_EDGED);
+  }
+  else {
+    imagearc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2);
+    imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);
+    imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start+1)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);
+    imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end-1))   * $r, $centerY + sin(deg2rad($end))   * $r, $color2);
+    imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end))   * $r, $centerY + sin(deg2rad($end))   * $r, $color2);
+    imagefill($im,$centerX + $r*cos($w)/2, $centerY + $r*sin($w)/2, $color2);
+  }
+
+  if ($text) {
+    if ($placeindex>0) {
+      imageline($im,$centerX + $r*cos($w)/2, $centerY + $r*sin($w)/2,$diameter, $placeindex*12,$color1);
+      imagestring($im,4,$diameter, $placeindex*12,$text,$color1);
 
-$_GET['op'] = !isset($_GET['op'])? '1':$_GET['op'];
-$PHP_SELF= isset($_SERVER['PHP_SELF']) ? htmlentities(strip_tags($_SERVER['PHP_SELF'],'')) : '';
+    }
+    else {
+      imagestring($im,4,$centerX + $r*cos($w)/2, $centerY + $r*sin($w)/2,$text,$color1);
+    }
+  }
+}
 
-$PHP_SELF=$PHP_SELF.'?';
-$time = time();
-// sanitize _GET
+function fill_box($im, $x, $y, $w, $h, $color1, $color2, $text = '', $placeindex = '') {
+  global $col_black;
+
+  $x1 = $x + $w - 1;
+  $y1 = $y + $h - 1;
+
+  imagerectangle($im, $x, $y1, $x1 + 1, $y + 1, $col_black);
+  if ($y1>$y) {
+    imagefilledrectangle($im, $x, $y, $x1, $y1, $color2);
+  }
+  else {
+    imagefilledrectangle($im, $x, $y1, $x1, $y, $color2);
+  }
+
+  imagerectangle($im, $x, $y1, $x1, $y, $color1);
+  if ($text) {
+    if ($placeindex > 0) {
+      if ($placeindex < 16) {
+        $px = 5;
+        $py = $placeindex * 12 + 6;
+        imagefilledrectangle($im, $px + 90, $py + 3, $px + 90 - 4, $py - 3, $color2);
+        imageline($im, $x, $y + $h / 2, $px + 90, $py, $color2);
+        imagestring($im, 2, $px, $py - 6, $text, $color1);
+      }
+      else {
+        if ($placeindex < 31) {
+          $px = $x + 40 * 2;
+          $py = ($placeindex - 15) * 12 + 6;
+        }
+        else {
+          $px = $x + 40 * 2 + 100 * intval(($placeindex - 15) / 15);
+          $py = ($placeindex % 15) * 12 + 6;
+        }
 
-foreach($_GET as $key=>$g){
-    $_GET[$key]=htmlentities($g);
+        imagefilledrectangle($im, $px, $py+3, $px - 4, $py - 3, $color2);
+        imageline($im, $x + $w, $y + $h / 2, $px, $py, $color2);
+        imagestring($im, 2, $px + 2, $py - 6, $text, $color1);
+      }
+    }
+    else {
+      imagestring($im, 4, $x + 5, $y1 - 16, $text, $color1);
+    }
+  }
 }
 
 
-// singleout
-// when singleout is set, it only gives details for that server.
-if (isset($_GET['singleout']) && $_GET['singleout']>=0 && $_GET['singleout'] <count($MEMCACHE_SERVERS)){
+//////////////////////////////////////////////////////
+function main() {
+  //
+  // don't cache this page
+  //
+  header("Cache-Control: no-store, no-cache, must-revalidate");  // HTTP/1.1
+  header("Cache-Control: post-check=0, pre-check=0", false);
+  header("Pragma: no-cache");                                    // HTTP/1.0
+
+
+  // TODO, AUTH
+  global $PHP_SELF;
+  global $MEMCACHE_SERVERS;
+
+  $_GET['op'] = !isset($_GET['op']) ? '1' : $_GET['op'];
+  $PHP_SELF= isset($_SERVER['PHP_SELF']) ? htmlentities(strip_tags($_SERVER['PHP_SELF'],'')) : '';
+
+  $PHP_SELF = $PHP_SELF .'?';
+  $time = time();
+  // sanitize _GET
+
+  foreach ($_GET as $key => $g) {
+    $_GET[$key] = htmlentities($g);
+  }
+
+  // singleout
+  // when singleout is set, it only gives details for that server.
+  if (isset($_GET['singleout']) && $_GET['singleout'] >= 0 && $_GET['singleout'] < count($MEMCACHE_SERVERS)) {
     $MEMCACHE_SERVERS = array($MEMCACHE_SERVERS[$_GET['singleout']]);
-}
+  }
 
-// display images
-if (isset($_GET['IMG'])){
+  // display images
+  if (isset($_GET['IMG'])) {
     $memcacheStats = getMemcacheStats();
     $memcacheStatsSingle = getMemcacheStats(false);
 
     if (!graphics_avail()) {
-		exit(0);
-	}
-
-	function fill_box($im, $x, $y, $w, $h, $color1, $color2,$text='',$placeindex='') {
-		global $col_black;
-		$x1=$x+$w-1;
-		$y1=$y+$h-1;
-
-		imagerectangle($im, $x, $y1, $x1+1, $y+1, $col_black);
-		if($y1>$y) imagefilledrectangle($im, $x, $y, $x1, $y1, $color2);
-		else imagefilledrectangle($im, $x, $y1, $x1, $y, $color2);
-		imagerectangle($im, $x, $y1, $x1, $y, $color1);
-		if ($text) {
-			if ($placeindex>0) {
-
-				if ($placeindex<16)
-				{
-					$px=5;
-					$py=$placeindex*12+6;
-					imagefilledrectangle($im, $px+90, $py+3, $px+90-4, $py-3, $color2);
-					imageline($im,$x,$y+$h/2,$px+90,$py,$color2);
-					imagestring($im,2,$px,$py-6,$text,$color1);
-
-				} else {
-					if ($placeindex<31) {
-						$px=$x+40*2;
-						$py=($placeindex-15)*12+6;
-					} else {
-						$px=$x+40*2+100*intval(($placeindex-15)/15);
-						$py=($placeindex%15)*12+6;
-					}
-					imagefilledrectangle($im, $px, $py+3, $px-4, $py-3, $color2);
-					imageline($im,$x+$w,$y+$h/2,$px,$py,$color2);
-					imagestring($im,2,$px+2,$py-6,$text,$color1);
-				}
-			} else {
-				imagestring($im,4,$x+5,$y1-16,$text,$color1);
-			}
-		}
-	}
-
-
-    function fill_arc($im, $centerX, $centerY, $diameter, $start, $end, $color1,$color2,$text='',$placeindex=0) {
-		$r=$diameter/2;
-		$w=deg2rad((360+$start+($end-$start)/2)%360);
-
-
-		if (function_exists("imagefilledarc")) {
-			// exists only if GD 2.0.1 is avaliable
-			imagefilledarc($im, $centerX+1, $centerY+1, $diameter, $diameter, $start, $end, $color1, IMG_ARC_PIE);
-			imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2, IMG_ARC_PIE);
-			imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color1, IMG_ARC_NOFILL|IMG_ARC_EDGED);
-		} else {
-			imagearc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2);
-			imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);
-			imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start+1)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);
-			imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end-1))   * $r, $centerY + sin(deg2rad($end))   * $r, $color2);
-			imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end))   * $r, $centerY + sin(deg2rad($end))   * $r, $color2);
-			imagefill($im,$centerX + $r*cos($w)/2, $centerY + $r*sin($w)/2, $color2);
-		}
-		if ($text) {
-			if ($placeindex>0) {
-				imageline($im,$centerX + $r*cos($w)/2, $centerY + $r*sin($w)/2,$diameter, $placeindex*12,$color1);
-				imagestring($im,4,$diameter, $placeindex*12,$text,$color1);
-
-			} else {
-				imagestring($im,4,$centerX + $r*cos($w)/2, $centerY + $r*sin($w)/2,$text,$color1);
-			}
-		}
-	}
-	$size = GRAPH_SIZE; // image size
-	$image = imagecreate($size+50, $size+10);
-
-	$col_white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
-	$col_red   = imagecolorallocate($image, 0xD0, 0x60,  0x30);
-	$col_green = imagecolorallocate($image, 0x60, 0xF0, 0x60);
-	$col_black = imagecolorallocate($image,   0,   0,   0);
-
-	imagecolortransparent($image,$col_white);
+      exit(0);
+    }
 
-    switch ($_GET['IMG']){
-        case 1: // pie chart
-            $tsize=$memcacheStats['limit_maxbytes'];
-    		$avail=$tsize-$memcacheStats['bytes'];
-    		$x=$y=$size/2;
-    		$angle_from = 0;
-    		$fuzz = 0.000001;
-
-            foreach($memcacheStatsSingle as $serv=>$mcs) {
-    			$free = $mcs['STAT']['limit_maxbytes']-$mcs['STAT']['bytes'];
-    			$used = $mcs['STAT']['bytes'];
-
-
-                if ($free>0){
-    			// draw free
-    			    $angle_to = ($free*360)/$tsize;
-                    $perc =sprintf("%.2f%%", ($free *100) / $tsize) ;
-
-        			fill_arc($image,$x,$y,$size,$angle_from,$angle_from + $angle_to ,$col_black,$col_green,$perc);
-        			$angle_from = $angle_from + $angle_to ;
-                }
-    			if ($used>0){
-    			// draw used
-        			$angle_to = ($used*360)/$tsize;
-        			$perc =sprintf("%.2f%%", ($used *100) / $tsize) ;
-        			fill_arc($image,$x,$y,$size,$angle_from,$angle_from + $angle_to ,$col_black,$col_red, '('.$perc.')' );
-                    $angle_from = $angle_from+ $angle_to ;
-    			}
-    			}
+    $size = GRAPH_SIZE; // image size
+    $image = imagecreate($size+50, $size+10);
 
-        break;
+    $col_white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
+    $col_red   = imagecolorallocate($image, 0xD0, 0x60,  0x30);
+    $col_green = imagecolorallocate($image, 0x60, 0xF0, 0x60);
+    $col_black = imagecolorallocate($image,   0,   0,   0);
 
-        case 2: // hit miss
+    imagecolortransparent($image,$col_white);
 
-            $hits = ($memcacheStats['get_hits']==0) ? 1:$memcacheStats['get_hits'];
-            $misses = ($memcacheStats['get_misses']==0) ? 1:$memcacheStats['get_misses'];
-            $total = $hits + $misses ;
+    switch ($_GET['IMG']){
+      case 1: // pie chart
+        $tsize = $memcacheStats['limit_maxbytes'];
+        $avail = $tsize - $memcacheStats['bytes'];
+        $x = $y = $size / 2;
+        $angle_from = 0;
+        $fuzz = 0.000001;
+
+        foreach ($memcacheStatsSingle as $serv => $mcs) {
+          $free = $mcs['STAT']['limit_maxbytes'] - $mcs['STAT']['bytes'];
+          $used = $mcs['STAT']['bytes'];
+
+          if ($free > 0){
+          // draw free
+            $angle_to = ($free*360)/$tsize;
+            $perc =sprintf("%.2f%%", ($free *100) / $tsize) ;
+            fill_arc($image, $x, $y, $size, $angle_from, $angle_from + $angle_to, $col_black, $col_green, $perc);
+            $angle_from = $angle_from + $angle_to ;
+          }
+
+          if ($used > 0) {
+          // draw used
+          $angle_to = ($used * 360) / $tsize;
+          $perc = sprintf("%.2f%%", ($used * 100) / $tsize);
+          fill_arc($image, $x, $y, $size, $angle_from, $angle_from + $angle_to, $col_black, $col_red, '('. $perc .')');
+          $angle_from = $angle_from + $angle_to ;
+          }
+        }
+        break;
 
-	       	fill_box($image, 30,$size,50,-$hits*($size-21)/$total,$col_black,$col_green,sprintf("%.1f%%",$hits*100/$total));
-		    fill_box($image,130,$size,50,-max(4,($total-$hits)*($size-21)/$total),$col_black,$col_red,sprintf("%.1f%%",$misses*100/$total));
-		break;
-		
+      case 2: // hit miss
+        $hits = ($memcacheStats['get_hits'] == 0) ? 1 : $memcacheStats['get_hits'];
+        $misses = ($memcacheStats['get_misses'] == 0) ? 1 : $memcacheStats['get_misses'];
+        $total = $hits + $misses ;
+
+        fill_box($image,  30, $size, 50,                 - $hits  * ($size - 21) / $total,  $col_black, $col_green, sprintf("%.1f%%", $hits   * 100 / $total));
+        fill_box($image, 130, $size, 50, -max(4, ($total - $hits) * ($size - 21) / $total), $col_black, $col_red,   sprintf("%.1f%%", $misses * 100 / $total));
+        break;
     }
     header("Content-type: image/png");
-	imagepng($image);
-	exit;
-}
-
-echo getHeader();
-echo getMenu();
+    imagepng($image);
+    exit;
+  }
 
-switch ($_GET['op']) {
+  echo getHeader();
+  echo getMenu();
 
+  switch ($_GET['op']) {
     case 1: // host stats
-    	$phpversion = phpversion();
-        $memcacheStats = getMemcacheStats();
-        $memcacheStatsSingle = getMemcacheStats(false);
-
-        $mem_size = $memcacheStats['limit_maxbytes'];
-    	$mem_used = $memcacheStats['bytes'];
-	    $mem_avail= $mem_size-$mem_used;
-	    $startTime = time()-array_sum($memcacheStats['uptime']);
-
-        $curr_items = $memcacheStats['curr_items'];
-        $total_items = $memcacheStats['total_items'];
-        $hits = ($memcacheStats['get_hits']==0) ? 1:$memcacheStats['get_hits'];
-        $misses = ($memcacheStats['get_misses']==0) ? 1:$memcacheStats['get_misses'];
-        $sets = $memcacheStats['cmd_set'];
-
-       	$req_rate = sprintf("%.2f",($hits+$misses)/($time-$startTime));
-	    $hit_rate = sprintf("%.2f",($hits)/($time-$startTime));
-	    $miss_rate = sprintf("%.2f",($misses)/($time-$startTime));
-	    $set_rate = sprintf("%.2f",($sets)/($time-$startTime));
-
-	    echo <<< EOB
-		<div class="info div1"><h2>General Cache Information</h2>
-		<table cellspacing=0><tbody>
-		<tr class=tr-1><td class=td-0>PHP Version</td><td>$phpversion</td></tr>
-EOB;
-		echo "<tr class=tr-0><td class=td-0>Memcached Host". ((count($MEMCACHE_SERVERS)>1) ? 's':'')."</td><td>";
-		$i=0;
-		if (!isset($_GET['singleout']) && count($MEMCACHE_SERVERS)>1){
-    		foreach($MEMCACHE_SERVERS as $server){
-    		      echo ($i+1).'. <a href="'.$PHP_SELF.'&singleout='.$i++.'">'.$server.'</a><br/>';
-    		}
-		}
-		else{
-		    echo '1.'.$MEMCACHE_SERVERS[0];
-		}
-		if (isset($_GET['singleout'])){
-		      echo '<a href="'.$PHP_SELF.'">(all servers)</a><br/>';
-		}
-		echo "</td></tr>\n";
-		echo "<tr class=tr-1><td class=td-0>Total Memcache Cache</td><td>".bsize($memcacheStats['limit_maxbytes'])."</td></tr>\n";
-
-	echo <<<EOB
-		</tbody></table>
-		</div>
-
-		<div class="info div1"><h2>Memcache Server Information</h2>
-EOB;
-        foreach($MEMCACHE_SERVERS as $server){
-            echo '<table cellspacing=0><tbody>';
-            echo '<tr class=tr-1><td class=td-1>'.$server.'</td><td><a href="'.$PHP_SELF.'&server='.array_search($server,$MEMCACHE_SERVERS).'&op=6">[<b>Flush this server</b>]</a></td></tr>';
-    		echo '<tr class=tr-0><td class=td-0>Start Time</td><td>',date(DATE_FORMAT,$memcacheStatsSingle[$server]['STAT']['time']-$memcacheStatsSingle[$server]['STAT']['uptime']),'</td></tr>';
-    		echo '<tr class=tr-1><td class=td-0>Uptime</td><td>',duration($memcacheStatsSingle[$server]['STAT']['time']-$memcacheStatsSingle[$server]['STAT']['uptime']),'</td></tr>';
-    		echo '<tr class=tr-0><td class=td-0>Memcached Server Version</td><td>'.$memcacheStatsSingle[$server]['STAT']['version'].'</td></tr>';
-    		echo '<tr class=tr-1><td class=td-0>Used Cache Size</td><td>',bsize($memcacheStatsSingle[$server]['STAT']['bytes']),'</td></tr>';
-    		echo '<tr class=tr-0><td class=td-0>Total Cache Size</td><td>',bsize($memcacheStatsSingle[$server]['STAT']['limit_maxbytes']),'</td></tr>';
-    		echo '</tbody></table>';
-	   }
-    echo <<<EOB
+      hostStats();
+      break;
 
-		</div>
-		<div class="graph div3"><h2>Host Status Diagrams</h2>
-		<table cellspacing=0><tbody>
-EOB;
+    case 2: // variables
+      variables();
+      break;
 
-	$size='width='.(GRAPH_SIZE+50).' height='.(GRAPH_SIZE+10);
-	echo <<<EOB
-		<tr>
-		<td class=td-0>Cache Usage</td>
-		<td class=td-1>Hits &amp; Misses</td>
-		</tr>
-EOB;
+    case 4: //item dump
+      itemDump();
+      break;
 
-	echo
-		graphics_avail() ?
-			  '<tr>'.
-			  "<td class=td-0><img alt=\"\" $size src=\"$PHP_SELF&IMG=1&".(isset($_GET['singleout'])? 'singleout='.$_GET['singleout'].'&':'')."$time\"></td>".
-			  "<td class=td-1><img alt=\"\" $size src=\"$PHP_SELF&IMG=2&".(isset($_GET['singleout'])? 'singleout='.$_GET['singleout'].'&':'')."$time\"></td></tr>\n"
-			: "",
-		'<tr>',
-		'<td class=td-0><span class="green box">&nbsp;</span>Free: ',bsize($mem_avail).sprintf(" (%.1f%%)",$mem_avail*100/$mem_size),"</td>\n",
-		'<td class=td-1><span class="green box">&nbsp;</span>Hits: ',$hits.sprintf(" (%.1f%%)",$hits*100/($hits+$misses)),"</td>\n",
-		'</tr>',
-		'<tr>',
-		'<td class=td-0><span class="red box">&nbsp;</span>Used: ',bsize($mem_used ).sprintf(" (%.1f%%)",$mem_used *100/$mem_size),"</td>\n",
-		'<td class=td-1><span class="red box">&nbsp;</span>Misses: ',$misses.sprintf(" (%.1f%%)",$misses*100/($hits+$misses)),"</td>\n";
-		echo <<< EOB
-	</tr>
-	</tbody></table>
-<br/>
-	<div class="info"><h2>Cache Information</h2>
-		<table cellspacing=0><tbody>
-		<tr class=tr-0><td class=td-0>Current Items(total)</td><td>$curr_items ($total_items)</td></tr>
-		<tr class=tr-1><td class=td-0>Hits</td><td>{$hits}</td></tr>
-		<tr class=tr-0><td class=td-0>Misses</td><td>{$misses}</td></tr>
-		<tr class=tr-1><td class=td-0>Request Rate (hits, misses)</td><td>$req_rate cache requests/second</td></tr>
-		<tr class=tr-0><td class=td-0>Hit Rate</td><td>$hit_rate cache requests/second</td></tr>
-		<tr class=tr-1><td class=td-0>Miss Rate</td><td>$miss_rate cache requests/second</td></tr>
-		<tr class=tr-0><td class=td-0>Set Rate</td><td>$set_rate cache requests/second</td></tr>
-		</tbody></table>
-		</div>
+    case 5: // item delete
+      itemDelete();
+      break;
+
+    case 6: // flush server
+      $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
+      $r = flushServer($theserver);
+      echo 'Flush  '.$theserver.":".$r;
+      break;
+  }
+  echo getFooter();
+}
 
-EOB;
+function itemDelete() {
+  global $MEMCACHE_SERVERS;
 
+  if (!isset($_GET['key']) || !isset($_GET['server'])) {
+    echo "No key set!";
     break;
+  }
 
-    case 2: // variables
+  $theKey = htmlentities(base64_decode($_GET['key']));
+  $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
+  list($h, $p) = explode(':', $theserver);
+  $r = sendMemcacheCommand($h, $p, 'delete '. $theKey);
+  echo 'Deleting '. $theKey .':'. $r;
+}
 
-		$m=0;
-		$cacheItems= getCacheItems();
-		$items = $cacheItems['items'];
-		$totals = $cacheItems['counts'];
-		$maxDump = MAX_ITEM_DUMP;
-		foreach($items as $server => $entries) {
+function itemDump() {
+  global $PHP_SELF;
+  global $MEMCACHE_SERVERS;
 
-    	echo <<< EOB
+  if (!isset($_GET['key']) || !isset($_GET['server'])){
+    echo "No key set!";
+    break;
+  }
 
-			<div class="info"><table cellspacing=0><tbody>
-			<tr><th colspan="2">$server</th></tr>
-			<tr><th>Slab Id</th><th>Info</th></tr>
-EOB;
+  // I'm not doing anything to check the validity of the key string.
+  // probably an exploit can be written to delete all the files in key=base64_encode("\n\r delete all").
+  // somebody has to do a fix to this.
+  $theKey = htmlentities(base64_decode($_GET['key']));
 
-			foreach($entries as $slabId => $slab) {
-			    $dumpUrl = $PHP_SELF.'&op=2&server='.(array_search($server,$MEMCACHE_SERVERS)).'&dumpslab='.$slabId;
-				echo
-					"<tr class=tr-$m>",
-					"<td class=td-0><center>",'<a href="',$dumpUrl,'">',$slabId,'</a>',"</center></td>",
-					"<td class=td-last><dl class=\"slab-header\"><dt>Item count:</dt><dd>",$slab['number'],'</dd><dt>Age:</dt><dd>',duration($time-$slab['age']),'</dd><dt>Evicted:</dt><dd>',((isset($slab['evicted']) && $slab['evicted']==1)? 'Yes':'No'), '</dd></dl>';
-					if ((isset($_GET['dumpslab']) && $_GET['dumpslab']==$slabId) &&  (isset($_GET['server']) && $_GET['server']==array_search($server,$MEMCACHE_SERVERS))){
-					    echo "<br/><b>Items: item</b><br/><div class=\"slab-dump\">";
-					    $items = dumpCacheSlab($server,$slabId,$slab['number']);
-                        // maybe someone likes to do a pagination here :)
-					    $i=1;
-                        foreach($items['ITEM'] as $itemKey=>$itemInfo){
-                            $itemInfo = trim($itemInfo,'[ ]');
-
-
-                            echo '<a href="',$PHP_SELF,'&op=4&server=',(array_search($server,$MEMCACHE_SERVERS)),'&key=',base64_encode($itemKey).'">',$itemKey,'</a>';
-                        }
-					}
-
-					echo "</div><!-- .slab-dump--></td></tr>";
-				$m=1-$m;
-			}
-		echo <<<EOB
-			</tbody></table>
-			</div><hr/>
+  $theserver = $MEMCACHE_SERVERS[(int) $_GET['server']];
+  list($h, $p) = explode(':', $theserver);
+  $r = sendMemcacheCommand($h, $p, 'get '. $theKey);
+  echo <<<EOB
+        <div class="info"><table cellspacing=0><tbody>
+      <tr><th>Server<th>Key</th><th>Value</th><th>Delete</th></tr>
+EOB;
+  echo "<tr><td class=td-0>",$theserver,"</td><td class=td-0>", $theKey,
+             " <br/>flag:", $r['VALUE'][$theKey]['stat']['flag'],
+             " <br/>Size:", bsize($r['VALUE'][$theKey]['stat']['size']),
+             "</td><td>", chunk_split($r['VALUE'][$theKey]['value'], 40), "</td>",
+             '<td><a href="', $PHP_SELF, '&op=5&server=', (int) $_GET['server'], '&key=', base64_encode($theKey), "\">Delete</a></td></tr>";
+  echo <<<EOB
+      </tbody></table>
+      </div><hr/>
 EOB;
 }
-		break;
 
-    break;
+function hostStats() {
+  global $PHP_SELF;
+  global $MEMCACHE_SERVERS;
+
+  $phpversion = phpversion();
+  $memcacheStats = getMemcacheStats();
+  $memcacheStatsSingle = getMemcacheStats(false);
+
+  $mem_size = $memcacheStats['limit_maxbytes'];
+  $mem_used = $memcacheStats['bytes'];
+  $mem_avail= $mem_size - $mem_used;
+  $startTime = time() - array_sum($memcacheStats['uptime']);
+
+  $curr_items = $memcacheStats['curr_items'];
+  $total_items = $memcacheStats['total_items'];
+  $hits = ($memcacheStats['get_hits'] == 0) ? 1 : $memcacheStats['get_hits'];
+  $misses = ($memcacheStats['get_misses'] == 0) ? 1 : $memcacheStats['get_misses'];
+  $sets = $memcacheStats['cmd_set'];
+
+  $req_rate  = sprintf("%.2f", ($hits + $misses) / ($time - $startTime));
+  $hit_rate  = sprintf("%.2f", ($hits          ) / ($time - $startTime));
+  $miss_rate = sprintf("%.2f", (        $misses) / ($time - $startTime));
+  $set_rate  = sprintf("%.2f", ($sets          ) / ($time - $startTime));
+
+  echo <<< EOB
+    <div class="info div1"><h2>General Cache Information</h2>
+    <table cellspacing=0><tbody>
+    <tr class=tr-1><td class=td-0>PHP Version</td><td>$phpversion</td></tr>
+EOB;
+  echo "<tr class=tr-0><td class=td-0>Memcached Host". ((count($MEMCACHE_SERVERS)>1) ? 's':'')."</td><td>";
 
-    case 4: //item dump
-        if (!isset($_GET['key']) || !isset($_GET['server'])){
-            echo "No key set!";
-            break;
-        }
-        // I'm not doing anything to check the validity of the key string.
-        // probably an exploit can be written to delete all the files in key=base64_encode("\n\r delete all").
-        // somebody has to do a fix to this.
-        $theKey = htmlentities(base64_decode($_GET['key']));
-
-        $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
-        list($h,$p) = explode(':',$theserver);
-        $r = sendMemcacheCommand($h,$p,'get '.$theKey);
-        echo <<<EOB
-        <div class="info"><table cellspacing=0><tbody>
-			<tr><th>Server<th>Key</th><th>Value</th><th>Delete</th></tr>
+  $i = 0;
+  if (!isset($_GET['singleout']) && count($MEMCACHE_SERVERS)>1){
+    foreach ($MEMCACHE_SERVERS as $server) {
+      echo ($i + 1). '. <a href="'. $PHP_SELF .'&singleout='. $i++ .'">'. $server. '</a><br/>';
+    }
+  }
+  else {
+    echo '1.'.$MEMCACHE_SERVERS[0];
+  }
+
+  if (isset($_GET['singleout'])) {
+    echo '<a href="'. $PHP_SELF .'">(all servers)</a><br/>';
+  }
+  echo "</td></tr>\n";
+  echo "<tr class=tr-1><td class=td-0>Total Memcache Cache</td><td>". bsize($memcacheStats['limit_maxbytes']) ."</td></tr>\n";
+
+  echo <<<EOB
+    </tbody></table>
+    </div>
+
+    <div class="info div1"><h2>Memcache Server Information</h2>
 EOB;
-        echo "<tr><td class=td-0>",$theserver,"</td><td class=td-0>",$theKey,
-             " <br/>flag:",$r['VALUE'][$theKey]['stat']['flag'],
-             " <br/>Size:",bsize($r['VALUE'][$theKey]['stat']['size']),
-             "</td><td>",chunk_split($r['VALUE'][$theKey]['value'],40),"</td>",
-             '<td><a href="',$PHP_SELF,'&op=5&server=',(int)$_GET['server'],'&key=',base64_encode($theKey),"\">Delete</a></td>","</tr>";
-        echo <<<EOB
-			</tbody></table>
-			</div><hr/>
+
+  foreach ($MEMCACHE_SERVERS as $server) {
+    echo '<table cellspacing=0><tbody>';
+    echo '<tr class=tr-1><td class=td-1>'. $server .'</td><td><a href="'. $PHP_SELF .'&server='. array_search($server, $MEMCACHE_SERVERS). '&op=6">[<b>Flush this server</b>]</a></td></tr>';
+    echo '<tr class=tr-0><td class=td-0>Start Time</td><td>', date(DATE_FORMAT, $memcacheStatsSingle[$server]['STAT']['time'] - $memcacheStatsSingle[$server]['STAT']['uptime']),'</td></tr>';
+    echo '<tr class=tr-1><td class=td-0>Uptime</td><td>', duration($memcacheStatsSingle[$server]['STAT']['time'] - $memcacheStatsSingle[$server]['STAT']['uptime']),'</td></tr>';
+    echo '<tr class=tr-0><td class=td-0>Memcached Server Version</td><td>'. $memcacheStatsSingle[$server]['STAT']['version'] .'</td></tr>';
+    echo '<tr class=tr-1><td class=td-0>Used Cache Size</td><td>', bsize($memcacheStatsSingle[$server]['STAT']['bytes']), '</td></tr>';
+    echo '<tr class=tr-0><td class=td-0>Total Cache Size</td><td>', bsize($memcacheStatsSingle[$server]['STAT']['limit_maxbytes']), '</td></tr>';
+    echo '</tbody></table>';
+  }
+  echo <<<EOB
+    </div>
+    <div class="graph div3"><h2>Host Status Diagrams</h2>
+    <table cellspacing=0><tbody>
 EOB;
-    break;
-    case 5: // item delete
-    	if (!isset($_GET['key']) || !isset($_GET['server'])){
-			echo "No key set!";
-			break;
+
+  $size = 'width='. (GRAPH_SIZE + 50) .' height='. (GRAPH_SIZE + 10);
+  echo <<<EOB
+    <tr>
+    <td class=td-0>Cache Usage</td>
+    <td class=td-1>Hits &amp; Misses</td>
+    </tr>
+EOB;
+
+  echo
+    graphics_avail()
+      ? '<tr>'.
+        "<td class=td-0><img alt=\"\" $size src=\"$PHP_SELF&IMG=1&". (isset($_GET['singleout']) ? 'singleout='. $_GET['singleout'] .'&' : '') . "$time\"></td>".
+        "<td class=td-1><img alt=\"\" $size src=\"$PHP_SELF&IMG=2&". (isset($_GET['singleout']) ? 'singleout='. $_GET['singleout'] .'&' : '') . "$time\"></td></tr>\n"
+      : "",
+    '<tr>',
+    '<td class=td-0><span class="green box">&nbsp;</span>Free: ', bsize($mem_avail) . sprintf(" (%.1f%%)", $mem_avail * 100 / $mem_size),         "</td>\n",
+    '<td class=td-1><span class="green box">&nbsp;</span>Hits: ', $hits             . sprintf(" (%.1f%%)", $hits      * 100 / ($hits + $misses)), "</td>\n",
+    '</tr>',
+    '<tr>',
+    '<td class=td-0><span class="red box">&nbsp;</span>Used: ',   bsize($mem_used ) . sprintf(" (%.1f%%)", $mem_used  * 100 / $mem_size),         "</td>\n",
+    '<td class=td-1><span class="red box">&nbsp;</span>Misses: ', $misses           . sprintf(" (%.1f%%)", $misses    * 100 / ($hits + $misses)), "</td>\n";
+    echo <<< EOB
+  </tr>
+  </tbody></table>
+<br/>
+  <div class="info"><h2>Cache Information</h2>
+    <table cellspacing=0><tbody>
+    <tr class=tr-0><td class=td-0>Current Items(total)</td><td>$curr_items ($total_items)</td></tr>
+    <tr class=tr-1><td class=td-0>Hits</td><td>{$hits}</td></tr>
+    <tr class=tr-0><td class=td-0>Misses</td><td>{$misses}</td></tr>
+    <tr class=tr-1><td class=td-0>Request Rate (hits, misses)</td><td>$req_rate cache requests/second</td></tr>
+    <tr class=tr-0><td class=td-0>Hit Rate</td><td>$hit_rate cache requests/second</td></tr>
+    <tr class=tr-1><td class=td-0>Miss Rate</td><td>$miss_rate cache requests/second</td></tr>
+    <tr class=tr-0><td class=td-0>Set Rate</td><td>$set_rate cache requests/second</td></tr>
+    </tbody></table>
+    </div>
+
+EOB;
+}
+
+function variables() {
+  global $PHP_SELF;
+  global $MEMCACHE_SERVERS;
+
+  $m = 0;
+  $cacheItems= getCacheItems();
+  $items = $cacheItems['items'];
+  $totals = $cacheItems['counts'];
+  $maxDump = MAX_ITEM_DUMP;
+  foreach ($items as $server => $entries) {
+    echo <<< EOB
+      <div class="info"><table cellspacing=0><tbody>
+      <tr><th colspan="2">$server</th></tr>
+      <tr><th>Slab Id</th><th>Info</th></tr>
+EOB;
+
+    foreach ($entries as $slabId => $slab) {
+      $dumpUrl = $PHP_SELF .'&op=2&server='. (array_search($server,$MEMCACHE_SERVERS)) .'&dumpslab='. $slabId;
+      echo
+       "<tr class=tr-$m>",
+        "<td class=td-0><center>",'<a href="', $dumpUrl,'">', $slabId, '</a>', "</center></td>",
+        "<td class=td-last><dl class=\"slab-header\"><dt>Item count:</dt><dd>", $slab['number'], '</dd><dt>Age:</dt><dd>', duration($time - $slab['age']),'</dd><dt>Evicted:</dt><dd>', ((isset($slab['evicted']) && $slab['evicted'] == 1) ? 'Yes' : 'No'), '</dd></dl>';
+
+      if ((isset($_GET['dumpslab']) && $_GET['dumpslab'] == $slabId)
+        &&  (isset($_GET['server']) && $_GET['server'] == array_search($server, $MEMCACHE_SERVERS))) {
+        echo "<br/><b>Items: item</b><br/><div class=\"slab-dump\">";
+        $items = dumpCacheSlab($server, $slabId, $slab['number']);
+        // maybe someone likes to do a pagination here :)
+        $i = 1;
+        foreach ($items['ITEM'] as $itemKey => $itemInfo) {
+          $itemInfo = trim($itemInfo,'[ ]');
+          echo '<a href="',$PHP_SELF, '&op=4&server=', (array_search($server,$MEMCACHE_SERVERS)), '&key=', base64_encode($itemKey) .'">', $itemKey, '</a>';
         }
-        $theKey = htmlentities(base64_decode($_GET['key']));
-		$theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
-		list($h,$p) = explode(':',$theserver);
-        $r = sendMemcacheCommand($h,$p,'delete '.$theKey);
-        echo 'Deleting '.$theKey.':'.$r;
-	break;
-    
-   case 6: // flush server
-        $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
-        $r = flushServer($theserver);
-        echo 'Flush  '.$theserver.":".$r;
-   break;
-}
-echo getFooter();
-
-?>
+      }
+
+      echo "</div><!-- .slab-dump--></td></tr>";
+      $m = 1 - $m;
+    }
+    echo <<<EOB
+      </tbody></table>
+      </div><hr/>
+EOB;
+  }
+}
+
+main();