diff --git a/assets/php/common/hall.php b/assets/php/common/hall.php
new file mode 100644
index 0000000..a9f638a
--- /dev/null
+++ b/assets/php/common/hall.php
@@ -0,0 +1,44 @@
+<?php
+	include_once('../assets/php/common/hall_dao.php');
+
+    class Hall{
+
+        //Attributes:
+        private $_number;      //Room number.
+        private $_idcinema;    //Cinema Id
+		private $_numRows;     //Num rows.
+        private $_numCol;      //Num columns.
+
+		//Constructor:
+        function __construct($number, $idcinema, $numRows, $numCol){
+            $this->_number = $number;
+            $this->_idcinema = $idcinema;
+            $this->_numRows = $numRows;
+			$this->_numCol = $numCol;
+        }
+
+		//Methods:
+		public static function getListHalls($cinema){
+			$bd = new HallDAO('complucine');
+			if($bd )
+				return $bd->getAllHalls($cinema);
+			return "";
+		}
+		
+		//Getters && Setters:
+        public function setNumber($number){	$this->_number = $number; }
+		public function getNumber(){ return $this->_number; }
+
+        public function setIdcinema($idcinema){	$this->_idcinema = $idcinema; }
+		public function getIdcinema(){ return $this->_idcinema; }
+
+		public function setNumRows($numRows){ $this->_numRows = $numRows; }
+		public function getNumRows(){ return $this->_numRows; }
+		
+		public function setNumCol($numCol){ $this->_numCol = $numCol; }
+		public function getNumCol(){ return $this->_numCol; }
+
+
+
+    }
+?>
\ No newline at end of file
diff --git a/assets/php/common/hall_dao.php b/assets/php/common/hall_dao.php
index 4c85a7c..f1276d2 100644
--- a/assets/php/common/hall_dao.php
+++ b/assets/php/common/hall_dao.php
@@ -1,6 +1,6 @@
 <?php
 	require_once('../assets/php/dao.php');
-	include_once('hall_dto.php');
+	include_once('hall.php');
 
     class HallDAO extends DAO {
 
@@ -42,7 +42,7 @@
 
 		//Create a new Hall Data Transfer Object.
 		public function loadHall($number, $idcinema, $numrows, $numcolumns){
-			return new HallDTO($number, $idcinema, $numrows, $numcolumns);
+			return new Hall($number, $idcinema, $numrows, $numcolumns);
 		}
 
 		//Edit Hall.
diff --git a/assets/php/common/session.php b/assets/php/common/session.php
new file mode 100644
index 0000000..fb1bd9a
--- /dev/null
+++ b/assets/php/common/session.php
@@ -0,0 +1,49 @@
+<?php
+    class Session{
+
+        private $_id;          
+        private $_idfilm;
+        private $_idhall;
+		private $_idcinema;			
+        private $_date;
+        private $_startTime;
+        private $_seatPrice;
+        private $_format;
+
+        function __construct($id, $idfilm, $idhall, $idcinema, $date, $startTime, $seatPrice, $format){
+            $this->_id = $id;
+            $this->_idfilm = $idfilm;
+            $this->_idhall = $idhall;
+			$this->_idcinema = $idcinema;
+            $this->_date = $date;
+            $this->_startTime = $startTime;
+            $this->_seatPrice = $seatPrice;
+            $this->_format = $format;
+        }
+
+        public function setId($id){	$this->_id = $id; }
+		public function getId(){ return $this->_id; }
+
+        public function setIdfilm($idfilm){ $this->_idfilm = $idfilm; }
+		public function getIdfilm(){ return $this->_idfilm; }
+        
+        public function setIdhall($idhall){ $this->_idhall = $idhall; }
+		public function getIdhall(){ return $this->_idhall; }
+		
+		public function setIdcinema($cinema){ $this->_idcinema = $idcinema; }
+		public function getIdcinema(){ return $this->_idcinema; }
+
+		public function setDate($date){ $this->_date = $date; }
+		public function getDate(){ return $this->_date; }
+
+		public function setStartTime($startTime){ $this->_startTime = $startTime; }
+		public function getStartTime(){ return $this->_startTime; }
+
+		public function setSeatPrice($seatPrice){ $this->_seatPrice = $seatPrice; }
+		public function getSeatPrice(){ return $this->_seatPrice; }
+
+		public function setFormat($format){ $this->_format = $format; }
+		public function getFormat(){ return $this->_format; }
+
+    }
+?>
\ No newline at end of file