diff --git a/workflow/engine/classes/class.memcached.php b/workflow/engine/classes/class.memcached.php
index 03ee0b605..4cdba77d1 100644
--- a/workflow/engine/classes/class.memcached.php
+++ b/workflow/engine/classes/class.memcached.php
@@ -1,6 +1,8 @@
 <?php
+
 /**
  * class.memcached.php
+ *
  * @package workflow.engine.ProcessMaker
  *
  * ProcessMaker Open Source Edition
@@ -13,11 +15,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU Affero General Public License for more details.
  *
  * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
  * Coral Gables, FL, 33134, USA, or email info@colosa.com.
@@ -30,158 +32,169 @@
  * @package workflow.engine.ProcessMaker
  */
 
-class PMmemcached {
-  const ONE_MINUTE = 60;
-  const ONE_HOUR = 3600;
-  const TWO_HOURS = 7200;
-  const EIGHT_HOURS = 28800;
+class PMmemcached
+{
+    const ONE_MINUTE = 60;
+    const ONE_HOUR = 3600;
+    const TWO_HOURS = 7200;
+    const EIGHT_HOURS = 28800;
 
-  var $version;
-  var $mem;
-  var $connected = false;
-  var $enabled = false;
-  var $supported = false;
+    var $version;
+    var $mem;
+    var $connected = false;
+    var $enabled = false;
+    var $supported = false;
 
-  private static $instance = NULL;
+    private static $instance = NULL;
 
-  public function __construct($workspace) {
-    $this->enabled = MEMCACHED_ENABLED;
-    $this->connected = false;
-    $this->workspace = $workspace;
-    if (class_exists ( 'Memcached' )) {
-      $this->mem = new Memcached ();
-      $this->class = 'Memcached';
-      $this->connected = true;
-    }
-    else {
-      if (class_exists ( 'Memcache' )) {
-        $this->mem = new Memcache ();
-        $this->class = 'Memcache';
-        $this->supported = true;
-        $this->connected = @$this->mem->connect ( MEMCACHED_SERVER, 11211 );
-        if ($this->connected) {
-          $this->version = $this->mem->getVersion ();
+    public function __construct ($workspace)
+    {
+        $this->enabled = MEMCACHED_ENABLED;
+        $this->connected = false;
+        $this->workspace = $workspace;
+        if (class_exists( 'Memcached' )) {
+            $this->mem = new Memcached();
+            $this->class = 'Memcached';
+            $this->connected = true;
+        } else {
+            if (class_exists( 'Memcache' )) {
+                $this->mem = new Memcache();
+                $this->class = 'Memcache';
+                $this->supported = true;
+                $this->connected = @$this->mem->connect( MEMCACHED_SERVER, 11211 );
+                if ($this->connected) {
+                    $this->version = $this->mem->getVersion();
+                }
+            } else {
+                G::Loadclass( 'fileCache' );
+                // create cache folder
+                $cacheFolder = PATH_DATA . "sites/" . $workspace . "/cachefiles/";
+                if (! file_exists( $cacheFolder )) {
+                    if (! mkdir( $cacheFolder )) {
+                        return false;
+                    }
+                }
+                $this->class = 'fileCache';
+                $this->connected = true;
+                $this->mem = new FileCache( $cacheFolder );
+            }
         }
-      }
-      else {
-        G::Loadclass ( 'fileCache' );
-        // create cache folder
-        $cacheFolder = PATH_DATA . "sites/" . $workspace . "/cachefiles/";
-        if (! file_exists ( $cacheFolder )) {
-          if (! mkdir ( $cacheFolder )) {
+
+        if (! MEMCACHED_ENABLED) {
+            $this->connected = false;
             return false;
-          }
         }
-        $this->class = 'fileCache';
-        $this->connected = true;
-        $this->mem = new FileCache ( $cacheFolder );
-      }
+
     }
 
-    if (! MEMCACHED_ENABLED) {
-      $this->connected = false;
-      return false;
+    /**
+     * to get singleton instance
+     *
+     * @access public
+     * @return object
+     */
+    public static function getSingleton ($workspace)
+    {
+        if (! self::$instance instanceof self) {
+            self::$instance = new PMmemcached( $workspace );
+        }
+        return self::$instance;
     }
 
-  }
-
-  /**
-   * to get singleton instance
-   *
-   * @access public
-   * @return object
-   */
-  public static function getSingleton($workspace) {
-    if (! self::$instance instanceof self) {
-      self::$instance = new PMmemcached ( $workspace );
+    public function __clone ()
+    {
+        throw new Exception( "Clone is not allowed." );
     }
-    return self::$instance;
-  }
 
-  public function __clone() {
-    throw new Exception ( "Clone is not allowed." );
-  }
+    public function __wakeup ()
+    {
+        throw new Exception( "Deserializing is not allowed." );
+    }
 
-  public function __wakeup() {
-    throw new Exception ( "Deserializing is not allowed." );
-  }
+    function set ($key, $object, $timeout = 0)
+    {
+        if (! $this->connected)
+            return false;
+        if ($this->class != 'filecache')
+            $this->mem->set( $this->workspace . '_' . $key, $object, false, $timeout );
+        else
+            $this->mem->set( $this->workspace . '_' . $key, $object );
+    }
 
-  function set($key, $object, $timeout = 0) {
-    if (! $this->connected)
-      return false;
-    if ($this->class != 'filecache')
-      $this->mem->set ( $this->workspace . '_' . $key, $object, false, $timeout );
-    else
-      $this->mem->set ( $this->workspace . '_' . $key, $object );
-  }
+    function get ($key)
+    {
+        if (! $this->connected)
+            return false;
+        return $this->mem->get( $this->workspace . '_' . $key );
+    }
 
-  function get($key) {
-    if (! $this->connected)
-      return false;
-    return $this->mem->get ( $this->workspace . '_' . $key );
-  }
+    function add ($key, $value)
+    {
+        if ((! $this->connected) || ($this->class == 'filecache'))
+            return false;
+        return $this->mem->add( $this->workspace . '_' . $key, $value );
+    }
 
-  function add($key, $value) {
-    if ((! $this->connected) || ($this->class == 'filecache'))
-      return false;
-    return $this->mem->add ( $this->workspace . '_' . $key, $value );
-  }
+    function increment ($key, $value)
+    {
+        if ((! $this->connected) || ($this->class == 'filecache'))
+            return false;
+        return $this->mem->increment( $this->workspace . '_' . $key, $value );
+    }
 
-  function increment($key, $value) {
-    if ((! $this->connected) || ($this->class == 'filecache'))
-      return false;
-    return $this->mem->increment ( $this->workspace . '_' . $key, $value );
-  }
+    function delete ($key)
+    {
+        if ((! $this->connected) || ($this->class == 'filecache'))
+            return false;
+        return $this->mem->delete( $this->workspace . '_' . $key );
+    }
 
-  function delete($key) {
-    if ((! $this->connected) || ($this->class == 'filecache'))
-      return false;
-    return $this->mem->delete ( $this->workspace . '_' . $key );
-  }
+    function flush ()
+    {
+        if ((! $this->connected) || ($this->class == 'filecache'))
+            return false;
+        return $this->mem->flush();
+    }
 
-  function flush() {
-    if ((! $this->connected) || ($this->class == 'filecache'))
-      return false;
-    return $this->mem->flush ();
-  }
+    function getStats ()
+    {
+        if ((! $this->connected) || ($this->class == 'filecache'))
+            return false;
+        return $status = $this->mem->getStats();
+    }
 
-  function getStats() {
-    if ((! $this->connected) || ($this->class == 'filecache'))
-      return false;
-    return $status = $this->mem->getStats ();
-  }
+    function printDetails ()
+    {
+        if ((! $this->connected) || ($this->class == 'filecache'))
+            return false;
+        $status = $this->mem->getStats();
+        echo "<table border='1'>";
+        echo "<tr><td>Memcache Server version:</td><td> " . $status["version"] . "</td></tr>";
+        echo "<tr><td>Number of hours this server has been running </td><td>" . ($status["uptime"] / 3660) . "</td></tr>";
+        echo "<tr><td>Total number of items stored by this server ever since it started </td><td>" . $status["total_items"] . "</td></tr>";
+        echo "<tr><td>Number of open connections </td><td>" . $status["curr_connections"] . "</td></tr>";
+        echo "<tr><td>Total number of connections opened since the server started running </td><td>" . $status["total_connections"] . "</td></tr>";
+        echo "<tr><td>Number of connection structures allocated by the server </td><td>" . $status["connection_structures"] . "</td></tr>";
+        echo "<tr><td>Cumulative number of retrieval requests </td><td>" . $status["cmd_get"] . "</td></tr>";
+        echo "<tr><td> Cumulative number of storage requests </td><td>" . $status["cmd_set"] . "</td></tr>";
 
-  function printDetails() {
-    if ((! $this->connected) || ($this->class == 'filecache'))
-      return false;
-    $status = $this->mem->getStats ();
-    echo "<table border='1'>";
-    echo "<tr><td>Memcache Server version:</td><td> " . $status ["version"] . "</td></tr>";
-    echo "<tr><td>Number of hours this server has been running </td><td>" . ($status ["uptime"] / 3660) . "</td></tr>";
-    echo "<tr><td>Total number of items stored by this server ever since it started </td><td>" . $status ["total_items"] . "</td></tr>";
-    echo "<tr><td>Number of open connections </td><td>" . $status ["curr_connections"] . "</td></tr>";
-    echo "<tr><td>Total number of connections opened since the server started running </td><td>" . $status ["total_connections"] . "</td></tr>";
-    echo "<tr><td>Number of connection structures allocated by the server </td><td>" . $status ["connection_structures"] . "</td></tr>";
-    echo "<tr><td>Cumulative number of retrieval requests </td><td>" . $status ["cmd_get"] . "</td></tr>";
-    echo "<tr><td> Cumulative number of storage requests </td><td>" . $status ["cmd_set"] . "</td></tr>";
+        $percCacheHit = ((real) $status["get_hits"] / (real) $status["cmd_get"] * 100);
+        $percCacheHit = round( $percCacheHit, 3 );
+        $percCacheMiss = 100 - $percCacheHit;
 
-    $percCacheHit = (( real ) $status ["get_hits"] / ( real ) $status ["cmd_get"] * 100);
-    $percCacheHit = round ( $percCacheHit, 3 );
-    $percCacheMiss = 100 - $percCacheHit;
+        echo "<tr><td>Number of keys that have been requested and found present </td><td>" . $status["get_hits"] . " ($percCacheHit%)</td></tr>";
+        echo "<tr><td>Number of items that have been requested and not found </td><td>" . $status["get_misses"] . "($percCacheMiss%)</td></tr>";
 
-    echo "<tr><td>Number of keys that have been requested and found present </td><td>" . $status ["get_hits"] . " ($percCacheHit%)</td></tr>";
-    echo "<tr><td>Number of items that have been requested and not found </td><td>" . $status ["get_misses"] . "($percCacheMiss%)</td></tr>";
+        $MBRead = (real) $status["bytes_read"] / (1024 * 1024);
 
-    $MBRead = ( real ) $status ["bytes_read"] / (1024 * 1024);
-
-    echo "<tr><td>Total number of bytes read by this server from network </td><td>" . $MBRead . " Mega Bytes</td></tr>";
-    $MBWrite = ( real ) $status ["bytes_written"] / (1024 * 1024);
-    echo "<tr><td>Total number of bytes sent by this server to network </td><td>" . $MBWrite . " Mega Bytes</td></tr>";
-    $MBSize = ( real ) $status ["limit_maxbytes"] / (1024 * 1024);
-    echo "<tr><td>Number of bytes this server is allowed to use for storage.</td><td>" . $MBSize . " Mega Bytes</td></tr>";
-    echo "<tr><td>Number of valid items removed from cache to free memory for new items.</td><td>" . $status ["evictions"] . "</td></tr>";
-    echo "</table>";
-  }
+        echo "<tr><td>Total number of bytes read by this server from network </td><td>" . $MBRead . " Mega Bytes</td></tr>";
+        $MBWrite = (real) $status["bytes_written"] / (1024 * 1024);
+        echo "<tr><td>Total number of bytes sent by this server to network </td><td>" . $MBWrite . " Mega Bytes</td></tr>";
+        $MBSize = (real) $status["limit_maxbytes"] / (1024 * 1024);
+        echo "<tr><td>Number of bytes this server is allowed to use for storage.</td><td>" . $MBSize . " Mega Bytes</td></tr>";
+        echo "<tr><td>Number of valid items removed from cache to free memory for new items.</td><td>" . $status["evictions"] . "</td></tr>";
+        echo "</table>";
+    }
 
 }