Cleanup of minor issues found with phpmd.

lib/Cake/Controller/Controller.php

@@ -491,7 +491,7 @@ class Controller extends Object {
 
 		if (!$privateAction && !empty($prefixes)) {
 			if (empty($request->params['prefix']) && strpos($request->params['action'], '_') > 0) {
-				list($prefix, $action) = explode('_', $request->params['action']);
+				list($prefix) = explode('_', $request->params['action']);
 				$privateAction = in_array($prefix, $prefixes);
 			}
 		}
@@ -877,7 +877,7 @@ class Controller extends Object {
 			$currentObject = ClassRegistry::getObject($currentModel);
 			if (is_a($currentObject, 'Model')) {
 				$className = get_class($currentObject);
-				list($plugin, $package) = pluginSplit(App::location($className));
+				list($plugin) = pluginSplit(App::location($className));
 				$this->request->params['models'][$currentObject->alias] = compact('plugin', 'className');
 				$View->validationErrors[$currentObject->alias] =& $currentObject->validationErrors;
 			}

lib/Cake/Core/Configure.php

@@ -320,7 +320,7 @@ class Configure {
  */
 	public static function version() {
 		if (!isset(self::$_values['Cake']['version'])) {
-			require(CAKE . 'Config' . DS . 'config.php');
+			require CAKE . 'Config' . DS . 'config.php';
 			self::write($config);
 		}
 		return self::$_values['Cake']['version'];

lib/Cake/Log/CakeLog.php

@@ -190,7 +190,7 @@ class CakeLog {
 		if (empty(self::$_streams)) {
 			self::_autoConfig();
 		}
-		foreach (self::$_streams as $key => $logger) {
+		foreach (self::$_streams as $logger) {
 			$logger->write($type, $message);
 		}
 		return true;

lib/Cake/Network/CakeRequest.php

@@ -613,7 +613,7 @@ class CakeRequest implements ArrayAccess {
 		$acceptTypes = explode(',', $this->header('accept'));
 		foreach ($acceptTypes as $i => $accepted) {
 			if (strpos($accepted, ';') !== false) {
-				list($accepted, $prefValue) = explode(';', $accepted);
+				list($accepted) = explode(';', $accepted);
 				$acceptTypes[$i] = $accepted;
 			}
 		}

lib/Cake/Network/CakeResponse.php

@@ -572,7 +572,6 @@ class CakeResponse {
 		if (is_array($ctype)) {
 			return array_map(array($this, 'mapType'), $ctype);
 		}
-		$keys = array_keys($this->_mimeTypes);
 
 		foreach ($this->_mimeTypes as $alias => $types) {
 			if (is_array($types) && in_array($ctype, $types)) {

lib/Cake/Routing/Route/CakeRoute.php

@@ -156,7 +156,7 @@ class CakeRoute {
 			}
 			$names[] = $name;
 		}
-		if (preg_match('#\/\*$#', $route, $m)) {
+		if (preg_match('#\/\*$#', $route)) {
 			$parsed = preg_replace('#/\\\\\*$#', '(?:/(?P<_args_>.*))?', $parsed);
 			$this->_greedy = true;
 		}
@@ -281,7 +281,7 @@ class CakeRoute {
 			if ((!isset($this->options['named']) || !empty($this->options['named'])) && $separatorIsPresent) {
 				list($key, $val) = explode($namedConfig['separator'], $param, 2);
 				$hasRule = isset($rules[$key]);
-				$passIt = (!$hasRule && !$greedy) || ($hasRule && !$this->_matchNamed($key, $val, $rules[$key], $context));
+				$passIt = (!$hasRule && !$greedy) || ($hasRule && !$this->_matchNamed($val, $rules[$key], $context));
 				if ($passIt) {
 					$pass[] = $param;
 				} else {
@@ -314,13 +314,12 @@ class CakeRoute {
  * Return true if a given named $param's $val matches a given $rule depending on $context. Currently implemented
  * rule types are controller, action and match that can be combined with each other.
  *
- * @param string $param The name of the named parameter
  * @param string $val The value of the named parameter
  * @param array $rule The rule(s) to apply, can also be a match string
  * @param string $context An array with additional context information (controller / action)
  * @return boolean
  */
-	protected function _matchNamed($param, $val, $rule, $context) {
+	protected function _matchNamed($val, $rule, $context) {
 		if ($rule === true || $rule === false) {
 			return $rule;
 		}

lib/Cake/Utility/Set.php

@@ -130,27 +130,6 @@ class Set {
 		return Set::__map($val, $class);
 	}
 
-/**
- * Get the array value of $array. If $array is null, it will return
- * the current array Set holds. If it is an object of type Set, it
- * will return its value. If it is another object, its object variables.
- * If it is anything else but an array, it will return an array whose first
- * element is $array.
- *
- * @param mixed $array Data from where to get the array.
- * @return array Array from $array.
- */
-	private function __array($array) {
-		if (empty($array)) {
-			$array = array();
-		} elseif (is_object($array)) {
-			$array = get_object_vars($array);
-		} elseif (!is_array($array)) {
-			$array = array($array);
-		}
-		return $array;
-	}
-
 /**
  * Maps the given value as an object. If $value is an object,
  * it returns $value. Otherwise it maps $value as an object of