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[gatoher]

Hola a todos, tengo un problema con un script. Es para recuperar los datos de una base de datos y mostrarlo en una web. El script funciona, se ejecuta bien pero me da el siguiente error:

Strict standards: Non-static method dataobject::connect() should not be called statically in C:\wamp\www\verano\bases\book_club\member.class.php on line 39
Strict standards: Non-static method dataobject::disconnect() should not be called statically in C:\wamp\www\verano\bases\book_club\member.class.php on line 58

Lo de que no debería ser llamado el método static no lo entiendo, He comentado los metodos que son ,el script es este:

delphi

<?php
 
require_once "dataobject.class.php";
 
class member extends dataobject {
 
			protected $data = array (
 
			"id" => "",
			"username" => "",
			"password" => "",
			"firstname" => "",
			"lastname" => "",
			"joindate" => "",
			"gender" => "",
			"favoritegenre" =>"",
			"emailaddress" => "",
			"otherinterests" => ""
 
			);
 
 
			private $_genres = array (
 
			"crime" => "Crime",
			"horror" => "Horror",
			"thriller" => "Thriller",
			"romance" => "Romance",
			"scifi" => "Sci-fi",
			"adventure" =>	"Adventure",
			"nonfiction" => "Non-Fiction"		
 
 
			);
 
                        // Este es el que da problemas
			public static function getmembers ($startrow, $numrows, $order) {
 
			$conn = parent::connect ();
			$sql = "SELECT SQL_CALC_FOUND_ROWS * FROM " . TBL_MEMBERS . " ORDER BY $order LIMIT :startrow, :numrows";
 
 
 
			try {
 
					$st = $conn->prepare($sql);
					$st -> bindvalue (":startrow", $startrow, PDO::PARAM_INT);
					$st -> bindvalue (":numrows", $numrows, PDO::PARAM_INT);
					$st -> execute ();
					$members = array ();
					foreach ($st -> fetchall () as $row){
 
						$members [] = new member ($row);					
					}			
 
					$st = $conn ->query ("SELECT found_rows () as totalrows");
					$row = $st -> fetch ();
					parent::disconnect ($conn);
					return array ($members, $row["totalrows"]);
 
 
		    		}	catch (PDOException $e) {
 
					parent::disconnect ($conn);
					die ("Query failed : " . $e->getmessage());		    		
 
 
 
		    		}		
 
 
 
			}		
 
 
                                       // Este es el otro
					public static function getmember ($id) {
 
					$conn = parent::connect ();
					$sql = "SELECT * FROM " . TBL_MEMBERS . " WHERE id = :id";
 
					try {
 
					$st = $conn->prepare ($sql);
					$st ->bindvalue (":id", $id, PDO::PARAM_INT);
					$st ->execute ();
					$row = $st->fetch ();
					parent::disconnect ($conn);
					if ($row) return new member ($row);
 
					} catch (PDOException $e){
 
					parent::disconnect ($conn);
					die ("Query failed: " . $e->getmessage ());						
						}						
 
 
						}
 
					public function getgenderstring () {
 
					return ( $this->data["gender"]  == "f" )  ? "Female" : "Male";						
						}
 
					public function getfavoritegenrestring () {
 
					return ( $this->_genres[$this->data["favoritegenre"]]) ;						
						}
 
 
}

Como veis apunta a una clase abstracta que esta en otro archivo, es este:

delphi

<?php
 
require_once "config.php";
// Esta la clase a la que apunta
abstract class dataobject {
 
	protected $data = array ();
 
	public function __construct ($data) {
		foreach ($data as $key => $value){
			if (array_key_exists ($key, $this->data) ) $this-> data[$key] =$value;		
		}	
 
	}
 
			public function getvalue ($field) {
				if (array_key_exists ($field, $this->data) ) {
					return $this->data[$field];				
 
				}	else {
								die  ("Field not found");				
 
				}		
				}
 
 
			public function getvalueencoded ($field) {
 
				return htmlspecialchars	 ($this->getvalue($field) );		
 
			}
 
			protected function connect () {
 
				try {
 
						$conn = new PDO (DB_DSN, DB_USERNAME, DB_PASSWORD);
						$conn -> setattribute (PDO::ATTR_PERSISTENT, true);
						$conn -> setattribute (PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 
			       } catch (PDOException $e) {
							die ("Connection failed: " . $e->getmessage () );			       	
			       	}			
 
						return $conn;
 
						}
 
			protected function disconnect ($conn) {
 
						$conn  = "";				
 
				}
}
 
 
?>

Claro viendo el error, he probado a quitar static de los métodos, pero me sigue devolviendo el mismo fallo.