documentation and code style fixes

framework/caching/ApcCache.php

@@ -24,7 +24,7 @@ class ApcCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/Cache.php

@@ -247,7 +247,7 @@ abstract class Cache extends Component implements \ArrayAccess
 	 * This method should be implemented by child classes to retrieve the data
 	 * from specific cache storage.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	abstract protected function getValue($key);
 

framework/caching/DbCache.php

@@ -92,7 +92,7 @@ class DbCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/DummyCache.php

@@ -24,7 +24,7 @@ class DummyCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/FileCache.php

@@ -61,7 +61,7 @@ class FileCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/MemCache.php

@@ -145,7 +145,7 @@ class MemCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/RedisCache.php

@@ -49,11 +49,11 @@ class RedisCache extends Cache
 	 */
 	public $hostname = 'localhost';
 	/**
-	 * @var int the to use for connecting to the redis server. Default port is 6379.
+	 * @var int the port to use for connecting to the redis server. Default port is 6379.
 	 */
 	public $port = 6379;
 	/**
-	 * @var string the password to use to identify with the redis server. If not set, no AUTH command will be sent.
+	 * @var string the password to use to authenticate with the redis server. If not set, no AUTH command will be sent.
 	 */
 	public $password;
 	/**
@@ -102,7 +102,7 @@ class RedisCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/WinCache.php

@@ -24,7 +24,7 @@ class WinCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/XCache.php

@@ -25,7 +25,7 @@ class XCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/caching/ZendDataCache.php

@@ -24,7 +24,7 @@ class ZendDataCache extends Cache
 	 * Retrieves a value from cache with a specified key.
 	 * This is the implementation of the method declared in the parent class.
 	 * @param string $key a unique key identifying the cached value
-	 * @return string the value stored in cache, false if the value is not in the cache or expired.
+	 * @return string|boolean the value stored in cache, false if the value is not in the cache or expired.
 	 */
 	protected function getValue($key)
 	{

framework/db/redis/Connection.php

@@ -379,14 +379,13 @@ class Connection extends Component
 			case '-': // Error reply
 				throw new Exception("Redis error: " . $line . "\nRedis command was: " . $command);
 			case ':': // Integer reply
-				// no cast to integer as it is in the range of a signed 64 bit integer
+				// no cast to int as it is in the range of a signed 64 bit integer
 				return $line;
 			case '$': // Bulk replies
 				if ($line == '-1') {
 					return null;
 				}
-				$data = fread($this->_socket, $line + 2);
-				if($data===false) {
+				if(($data = fread($this->_socket, $line + 2))===false) {
 					throw new Exception("Failed to read from socket.\nRedis command was: " . $command);
 				}
 				return substr($data, 0, -2);

tests/unit/framework/caching/CacheTest.php

@@ -117,6 +117,7 @@ abstract class CacheTest extends TestCase
 		$this->assertEquals(42, $cache->get('number_test'));
 
 		// should store data if it's not there yet
+		$this->assertFalse($cache->get('add_test'));
 		$this->assertTrue($cache->add('add_test', 13));
 		$this->assertEquals(13, $cache->get('add_test'));
 	}