Remove trailing whitespace

common/framework/drivers/cache/sqlite.php

@@ -13,18 +13,18 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 	 * Set this flag to false to disable cache prefixes.
 	 */
 	public $prefix = false;
-	
+
 	/**
 	 * The singleton instance is stored here.
 	 */
 	protected static $_instance = null;
-	
+
 	/**
 	 * The database handle and prepared statements are stored here.
 	 */
 	protected $_dbh = null;
 	protected $_ps = array();
-	
+
 	/**
 	 * Direct invocation of the constructor is not permitted.
 	 */
@@ -35,7 +35,7 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		{
 			Storage::createDirectory($dir);
 		}
-		
+
 		$key = substr(hash_hmac('sha256', $dir, config('crypto.authentication_key')), 0, 32);
 		$filename = "$dir/$key.db";
 		if (Storage::exists($filename))
@@ -51,10 +51,10 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 			}
 		}
 	}
-	
+
 	/**
 	 * Connect to an SQLite3 database.
-	 * 
+	 *
 	 * @param string $filename
 	 * @return void
 	 */
@@ -65,10 +65,10 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		$this->_dbh->exec('PRAGMA journal_mode = MEMORY');
 		$this->_dbh->exec('PRAGMA synchronous = OFF');
 	}
-	
+
 	/**
 	 * Create a new instance of the current cache driver, using the given settings.
-	 * 
+	 *
 	 * @param array $config
 	 * @return void
 	 */
@@ -80,24 +80,24 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		}
 		return self::$_instance;
 	}
-	
+
 	/**
 	 * 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()
 	{
 		return class_exists('\\SQLite3', false) && config('crypto.authentication_key') !== null && stripos(\PHP_SAPI, 'win') === false;
 	}
-	
+
 	/**
 	 * Validate cache settings.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @param mixed $config
 	 * @return bool
 	 */
@@ -105,12 +105,12 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 	{
 		return true;
 	}
-	
+
 	/**
 	 * Get the value of a key.
-	 * 
+	 *
 	 * This method returns null if the key was not found.
-	 * 
+	 *
 	 * @param string $key
 	 * @return mixed
 	 */
@@ -122,14 +122,14 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		{
 			return null;
 		}
-		
+
 		$stmt->bindValue(':key', $key, \SQLITE3_TEXT);
 		$result = $stmt->execute();
 		if (!$result)
 		{
 			return null;
 		}
-		
+
 		$row = $result->fetchArray(\SQLITE3_NUM);
 		if ($row)
 		{
@@ -148,13 +148,13 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 			return null;
 		}
 	}
-	
+
 	/**
 	 * 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
@@ -169,19 +169,19 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		{
 			return false;
 		}
-		
+
 		$stmt->bindValue(':key', $key, \SQLITE3_TEXT);
 		$stmt->bindValue(':val', serialize($value), \SQLITE3_TEXT);
 		$stmt->bindValue(':exp', $ttl ? (time() + $ttl) : 0, \SQLITE3_INTEGER);
 		return $stmt->execute() ? true : 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
 	 */
@@ -193,16 +193,16 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		{
 			return false;
 		}
-		
+
 		$stmt->bindValue(':key', $key, \SQLITE3_TEXT);
 		return $stmt->execute() ? true : false;
 	}
-	
+
 	/**
 	 * Check if a key exists.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @param string $key
 	 * @return bool
 	 */
@@ -214,7 +214,7 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		{
 			return false;
 		}
-		
+
 		$stmt->bindValue(':key', $key, \SQLITE3_TEXT);
 		$stmt->bindValue(':exp', time(), \SQLITE3_INTEGER);
 		$result = $stmt->execute();
@@ -222,7 +222,7 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		{
 			return false;
 		}
-		
+
 		$row = $result->fetchArray(\SQLITE3_NUM);
 		if ($row)
 		{
@@ -233,13 +233,13 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 			return false;
 		}
 	}
-	
+
 	/**
 	 * 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
@@ -260,13 +260,13 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 			return false;
 		}
 	}
-	
+
 	/**
 	 * 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
@@ -275,12 +275,12 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 	{
 		return $this->incr($key, 0 - $amount);
 	}
-	
+
 	/**
 	 * Clear all keys from the cache.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @return bool
 	 */
 	public function clear()
@@ -289,12 +289,12 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
 		{
 			$this->_dbh->exec('DROP TABLE cache_' . $i);
 		}
-		
+
 		for ($i = 0; $i < 32; $i++)
 		{
 			$this->_dbh->exec('CREATE TABLE cache_' . $i . ' (k TEXT PRIMARY KEY, v TEXT, exp INT)');
 		}
-		
+
 		return true;
 	}
 }