simplify the code for object collection

Fixed up some abreviated variables, removing extra long lines and removed
variables that were not used.

lib/Cake/Utility/ObjectCollection.php

@@ -126,6 +126,7 @@ abstract class ObjectCollection {
 		if ($options['modParams'] !== false && !isset($params[$options['modParams']])) {
 			throw new CakeException(__d('cake_dev', 'Cannot use modParams with indexes that do not exist.'));
 		}
+		$result = null;
 		foreach ($list as $name) {
 			$result = call_user_func_array(array($this->_loaded[$name], $callback), compact('subject') + $params);
 			if ($options['collectReturn'] === true) {
@@ -180,7 +181,10 @@ abstract class ObjectCollection {
 		$enabled = false;
 		foreach ((array)$name as $object) {
 			if (isset($this->_loaded[$object]) && !isset($this->_enabled[$object])) {
-				$priority = isset($this->_loaded[$object]->settings['priority']) ? $this->_loaded[$object]->settings['priority'] : $this->defaultPriority;
+				$priority = $this->defaultPriority;
+				if (isset($this->_loaded[$object]->settings['priority'])) {
+					$priority = $this->_loaded[$object]->settings['priority'];
+				}
 				$this->_enabled[$object] = array($priority);
 				$enabled = true;
 			}
@@ -218,14 +222,14 @@ abstract class ObjectCollection {
 		if (is_string($name)) {
 			$name = array($name => $priority);
 		}
-		foreach ($name as $obj => $prio) {
-			if (isset($this->_loaded[$obj])) {
-				if (is_null($prio)) {
-					$prio = $this->defaultPriority;
+		foreach ($name as $object => $objectPriority) {
+			if (isset($this->_loaded[$object])) {
+				if (is_null($objectPriority)) {
+					$objectPriority = $this->defaultPriority;
 				}
-				$this->_loaded[$obj]->settings['priority'] = $prio;
-				if (isset($this->_enabled[$obj])) {
-					$this->_enabled[$obj] = array($prio);
+				$this->_loaded[$object]->settings['priority'] = $objectPriority;
+				if (isset($this->_enabled[$object])) {
+					$this->_enabled[$object] = array($objectPriority);
 				}
 			}
 		}
@@ -282,9 +286,8 @@ abstract class ObjectCollection {
  * @return void
  */
 	public function unload($name) {
-		list($plugin, $name) = pluginSplit($name);
-		unset($this->_loaded[$name]);
-		unset($this->_enabled[$name]);
+		$name = array_pop(pluginSplit($name));
+		unset($this->_loaded[$name], $this->_enabled[$name]);
 	}
 
 /**
@@ -296,8 +299,7 @@ abstract class ObjectCollection {
  */
 	public function set($name = null, $object = null) {
 		if (!empty($name) && !empty($object)) {
-			list($plugin, $name) = pluginSplit($name);
-			$this->_loaded[$name] = $object;
+			$this->_loaded[array_pop(pluginSplit($name))] = $object;
 		}
 		return $this->_loaded;
 	}
@@ -317,8 +319,7 @@ abstract class ObjectCollection {
 				$options = (array)$objectName;
 				$objectName = $i;
 			}
-			list($plugin, $name) = pluginSplit($objectName);
-			$normal[$name] = array('class' => $objectName, 'settings' => $options);
+			$normal[array_pop(pluginSplit($objectName))] = array('class' => $objectName, 'settings' => $options);
 		}
 		return $normal;
 	}