Remove trailing whitespace

common/framework/drivers/CacheInterface.php

@@ -9,47 +9,47 @@ interface CacheInterface
 {
 	/**
 	 * Create a new instance of the current cache driver, using the given settings.
-	 * 
+	 *
 	 * @param array $config
 	 * @return void
 	 */
 	public static function getInstance(array $config);
-	
+
 	/**
 	 * Check if the current cache driver is supported on this server.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @return bool
 	 */
 	public static function isSupported();
-	
+
 	/**
 	 * Validate cache settings.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @param mixed $config
 	 * @return bool
 	 */
 	public static function validateSettings($config);
-	
+
 	/**
 	 * Get the value of a key.
-	 * 
+	 *
 	 * This method returns null if the key was not found.
-	 * 
+	 *
 	 * @param string $key
 	 * @return mixed
 	 */
 	public function get($key);
-	
+
 	/**
 	 * Set the value to a key.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
 	 * $ttl is measured in seconds. If it is zero, the key should not expire.
-	 * 
+	 *
 	 * @param string $key
 	 * @param mixed $value
 	 * @param int $ttl
@@ -57,57 +57,57 @@ interface CacheInterface
 	 * @return bool
 	 */
 	public function set($key, $value, $ttl = 0, $force = false);
-	
+
 	/**
 	 * Delete a key.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
 	 * If the key does not exist, it should return false.
-	 * 
+	 *
 	 * @param string $key
 	 * @return bool
 	 */
 	public function delete($key);
-	
+
 	/**
 	 * Check if a key exists.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @param string $key
 	 * @return bool
 	 */
 	public function exists($key);
-	
+
 	/**
 	 * Increase the value of a key by $amount.
-	 * 
+	 *
 	 * If the key does not exist, this method assumes that the current value is zero.
 	 * This method returns the new value.
-	 * 
+	 *
 	 * @param string $key
 	 * @param int $amount
 	 * @return int
 	 */
 	public function incr($key, $amount);
-	
+
 	/**
 	 * Decrease the value of a key by $amount.
-	 * 
+	 *
 	 * If the key does not exist, this method assumes that the current value is zero.
 	 * This method returns the new value.
-	 * 
+	 *
 	 * @param string $key
 	 * @param int $amount
 	 * @return int
 	 */
 	public function decr($key, $amount);
-	
+
 	/**
 	 * Clear all keys from the cache.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @return bool
 	 */
 	public function clear();