Adding some de-constructors for improving garbage collections.

src/classes/Leap/Core/Config.php

@@ -65,6 +65,16 @@ public function __construct($uri) {
 			$this->uri = $uri;
 		}
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct() {
+			parent::__destruct();
+			unset($this->uri);
+		}
+
 		/**
 		 * This method returns the processed resource as a collection.
 		 *

src/classes/Leap/Core/DB/DataSource.php

@@ -25,7 +25,7 @@
 	 * @access public
 	 * @class
 	 * @package Leap\Core\DB
-	 * @version 2014-07-04
+	 * @version 2015-08-23
 	 */
 	class DataSource extends \Leap\Core\Object {
 
@@ -87,6 +87,16 @@ public function __construct($config) {
 			}
 		}
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct() {
+			parent::__destruct();
+			unset($this->settings);
+		}
+
 		/**
 		 * This method returns the value associated with the specified property.
 		 *

src/classes/Leap/Core/DB/ResultSet.php

@@ -25,7 +25,7 @@
 	 * @access public
 	 * @class
 	 * @package Leap\Core\DB
-	 * @version 2014-05-16
+	 * @version 2015-08-23
 	 */
 	class ResultSet extends \Leap\Core\Object implements \ArrayAccess, \Countable, \Iterator, \SeekableIterator, \Leap\Core\GC\IDisposable {
 
@@ -89,6 +89,19 @@ public function __construct($buffer, $type = 'array') {
 			$this->type = $type;
 		}
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct() {
+			parent::__destruct();
+			unset($this->position);
+			unset($this->records);
+			unset($this->size);
+			unset($this->type);
+		}
+
 		/**
 		 * This method returns an array of records of the desired object type.
 		 *

src/classes/Leap/Core/DB/Schema.php

@@ -26,7 +26,7 @@
 	 * @access public
 	 * @class
 	 * @package Leap\Core\DB
-	 * @version 2014-07-04
+	 * @version 2015-08-23
 	 */
 	abstract class Schema extends \Leap\Core\Object {
 
@@ -59,6 +59,17 @@ public function __construct(\Leap\Core\DB\DataSource $data_source) {
 			$this->data_source = $data_source;
 		}
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct() {
+			parent::__destruct();
+			unset($this->data_source);
+			unset($this->precompiler);
+		}
+
 		/**
 		 * This method returns an associated array of default properties for the specified
 		 * SQL data type.

src/classes/Leap/Core/IObject.php

@@ -25,7 +25,7 @@
 	 * @access public
 	 * @interface
 	 * @package Leap\Core
-	 * @version 2014-06-10
+	 * @version 2015-08-23
 	 */
 	interface IObject {
 
@@ -36,6 +36,13 @@ interface IObject {
 		 */
 		public function __debug();
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct();
+
 		/**
 		 * This method returns whether the specified object is equal to the called object.
 		 *

src/classes/Leap/Core/Object.php

@@ -26,7 +26,7 @@
 	 * @access public
 	 * @class
 	 * @package Leap\Core
-	 * @version 2014-01-25
+	 * @version 2015-08-23
 	 */
 	abstract class Object implements \Leap\Core\IObject {
 
@@ -50,6 +50,15 @@ public function __debug() {
 			var_dump($this);
 		}
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct() {
+			// do nothing
+		}
+
 		/**
 		 * This method returns whether the specified object is equal to the called object.
 		 *

src/classes/Leap/Core/Web/HTTP/Auth.php

@@ -26,7 +26,7 @@
 	 * @access public
 	 * @class
 	 * @package Leap\Core\DB
-	 * @version 2014-01-26
+	 * @version 2015-08-23
 	 */
 	class Auth extends \Auth {
 
@@ -37,14 +37,7 @@ class Auth extends \Auth {
 		 * @access protected
 		 * @var array
 		 */
-		protected $columns = array(
-			'role_id' => 'id',
-			'role_name' => 'name',
-			'token' => 'token',
-			'user_id' => 'id',
-			'user_username' => 'username',
-			'user_email' => 'email',
-		);
+		protected $columns;
 
 		/**
 		 * This variable stores a list of errors that of which have been encountered
@@ -53,7 +46,7 @@ class Auth extends \Auth {
 		 * @access protected
 		 * @var array
 		 */
-		protected $errors = array();
+		protected $errors;
 
 		/**
 		 * This variable stores a list of the models and their respective database
@@ -62,11 +55,7 @@ class Auth extends \Auth {
 		 * @access protected
 		 * @var array
 		 */
-		protected $models = array(
-			'role' => 'Role',
-			'user' => 'User',
-			'token' => 'User_Token',
-		);
+		protected $models;
 
 		/**
 		 * This constructor initializes the class using the specified config information.
@@ -79,6 +68,12 @@ class Auth extends \Auth {
 		public function __construct($config = NULL) {
 			parent::__construct($config);
 
+			$this->models = array(
+				'role' => 'Role',
+				'user' => 'User',
+				'token' => 'User_Token',
+			);
+
 			if (isset($config['models'])) {
 				if (isset($config['models']['role'])) {
 					$this->models['role'] = $config['models']['role'];
@@ -91,6 +86,15 @@ public function __construct($config = NULL) {
 				}
 			}
 
+			$this->columns = array(
+				'role_id' => 'id',
+				'role_name' => 'name',
+				'token' => 'token',
+				'user_id' => 'id',
+				'user_username' => 'username',
+				'user_email' => 'email',
+			);
+
 			if (isset($config['columns'])) {
 				if (isset($config['columns']['role_id'])) {
 					$this->columns['role_id'] = $config['columns']['role_id'];
@@ -112,11 +116,25 @@ public function __construct($config = NULL) {
 				}
 			}
 
+			$this->errors = array();
+
 			if (empty($config['login_with_email']) AND empty($config['login_with_username'])) {
 				throw new \Leap\Core\Throwable\Runtime\Exception('Message: Unable to load configuration. Reason: A valid "login_with" setting must be set in you auth config file.');
 			}
 		}
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct() {
+			parent::__destruct();
+			unset($this->columns);
+			unset($this->errors);
+			unset($this->models);
+		}
+
 		/**
 		 * This method attempts to log the user in based on the "authautologin" cookie.
 		 *

src/classes/Leap/Core/Web/HTTP/Auth/Session.php

@@ -26,7 +26,7 @@
 	 * @access public
 	 * @class
 	 * @package Leap\Core\Web\HTTP
-	 * @version 2014-01-25
+	 * @version 2015-08-23
 	 */
 	class Session extends \Session {
 
@@ -37,19 +37,15 @@ class Session extends \Session {
 		 * @access protected
 		 * @var array
 		 */
-		protected $columns = array(
-			'session_id'  => 'id',
-			'last_active' => 'last_active',
-			'contents'    => 'contents',
-		);
+		protected $columns;
 
 		/**
 		 * This variable stores how often a garbage collection request is made.
 		 *
 		 * @access protected
 		 * @var integer
 		 */
-		protected $gc = 500;
+		protected $gc;
 
 		/**
 		 * This variable stores the current session id.
@@ -65,7 +61,7 @@ class Session extends \Session {
 		 * @access protected
 		 * @var string
 		 */
-		protected $table = '\\Leap\\Core\\Web\\HTTP\\Auth\\Model\\Session';
+		protected $table;
 
 		/**
 		 * This variable stores the old session id.
@@ -85,20 +81,32 @@ class Session extends \Session {
 		 * @param string $id                                        the session id
 		 */
 		public function __construct(Array $config = NULL, $id = NULL) {
-			// Set the table name
 			if (isset($config['table'])) {
 				$this->table = (string) $config['table'];
 			}
+			else {
+				$this->table = '\\Leap\\Core\\Web\\HTTP\\Auth\\Model\\Session';
+			}
 
 			// Set the gc chance
 			if (isset($config['gc'])) {
 				$this->gc = (int) $config['gc'];
 			}
+			else {
+				$this->gc = 500;
+			}
 
 			// Overload column names
 			if (isset($config['columns'])) {
 				$this->columns = $config['columns'];
 			}
+			else {
+				$this->columns = array(
+					'session_id'  => 'id',
+					'last_active' => 'last_active',
+					'contents'    => 'contents',
+				);
+			}
 
 			parent::__construct($config, $id);
 
@@ -109,6 +117,20 @@ public function __construct(Array $config = NULL, $id = NULL) {
 			}
 		}
 
+		/**
+		 * This method releases any internal references to an object.
+		 *
+		 * @access public
+		 */
+		public function __destruct() {
+			parent::__destruct();
+			unset($this->columns);
+			unset($this->gc);
+			unset($this->session_id);
+			unset($this->table);
+			unset($this->update_id);
+		}
+
 		/**
 		 * This method destroys the current session.
 		 *