Merge pull request zendframework/zendframework#5589 in master

src/Pattern/CaptureCache.php

@@ -359,15 +359,15 @@ protected function createDirectoryStructure($pathname)
 
                 if (!$res) {
                     $oct = ($perm === false) ? '777' : decoct($perm);
-                    $err = ErrorHandler::stop();
+                    ErrorHandler::stop();
                     throw new Exception\RuntimeException(
                         "mkdir('{$path}', 0{$oct}, false) failed"
                     );
                 }
 
                 if ($perm !== false && !chmod($path, $perm)) {
                     $oct = decoct($perm);
-                    $err = ErrorHandler::stop();
+                    ErrorHandler::stop();
                     throw new Exception\RuntimeException(
                         "chmod('{$path}', 0{$oct}) failed"
                     );

src/Storage/Adapter/Apc.php

@@ -601,7 +601,6 @@ protected function internalIncrementItem(& $normalizedKey, & $value)
         $namespace   = $options->getNamespace();
         $prefix      = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
         $internalKey = $prefix . $normalizedKey;
-        $ttl         = $options->getTtl();
         $value       = (int) $value;
         $newValue    = apc_inc($internalKey, $value);
 

src/Storage/Adapter/Dba.php

@@ -142,7 +142,7 @@ public function getTotalSpace()
                     $events->detach($handle);
                 }
             };
-            $handle = $events->attach('option', $callback);
+            $events->attach('option', $callback);
         }
 
         return $this->totalSpace;

src/Storage/Adapter/Filesystem.php

@@ -413,7 +413,7 @@ public function getTotalSpace()
                     $events->detach($handle);
                 }
             };
-            $handle = $events->attach('option', $callback);
+            $events->attach('option', $callback);
         }
 
         return $this->totalSpace;
@@ -536,7 +536,6 @@ protected function internalGetItem(& $normalizedKey, & $success = null, & $casTo
      */
     protected function internalGetItems(array & $normalizedKeys)
     {
-        $options = $this->getOptions();
         $keys    = $normalizedKeys; // Don't change argument passed by reference
         $result  = array();
         while ($keys) {
@@ -1467,15 +1466,15 @@ protected function prepareDirectoryStructure($file)
 
                 if (!$res) {
                     $oct = ($perm === false) ? '777' : decoct($perm);
-                    $err = ErrorHandler::stop();
+                    ErrorHandler::stop();
                     throw new Exception\RuntimeException(
                         "mkdir('{$path}', 0{$oct}, false) failed"
                     );
                 }
 
                 if ($perm !== false && !chmod($path, $perm)) {
                     $oct = decoct($perm);
-                    $err = ErrorHandler::stop();
+                    ErrorHandler::stop();
                     throw new Exception\RuntimeException(
                         "chmod('{$path}', 0{$oct}) failed"
                     );