upload images

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Hello, I want to do an Admin to upload more than one picture per clic, I
must can upload one or more Pictures. This I know how is it... but I want
rename each picture, not with , for example, "001" but with some function,
some... thing that rename the file. I am using this:

if(isset($_POST['submit'])){
	$error = false;
	// si hay imagen.
	if (is_uploaded_file($_FILES['foto']['tmp_name'])) {
		//revisamos que sea jpg
		if ($_FILES['foto']['type'] == "image/jpeg" ||
$_FILES['foto']['type'] == "image/pjpeg"){
			//nombre de la imagen
			$foto = time().".jpg";
			//movemos la imagen.
			move_uploaded_file($_FILES['foto']['tmp_name'],
"../fotografias/".$foto);
		}else{
			$error = true;
			$errormsg = "Formato no válido para archivo de
imagen";
		}
	} else {
		//imagen no se pudo subir o no seleccionaron.
		$error=true;
		$errormsg = "Error al cargar imagen: " .
$_FILES['foto']['name'];
	}//fin file upload.
		
	//continuamos con el insert.
	//si hay error no hay imagen.
	if($error){
		$foto = "";
	}

	$titulo = $_POST['titulo'];
	$texto = $_POST['texto'];
	$categoria = $_POST['categoria'];
	$habilitar = $_POST['habilitar'];
	$campos = "titulo,texto,foto,categoria,habilitar";
	$valores = "'$titulo','$texto','$foto','$categoria','$habilitar'";
	//nos conectamos a la bd.
	$cnx = conectar();
	$res = mysql_query("INSERT INTO registros ($campos)
VALUES($valores)") or die (mysql_error());
	//cerramos la conexión.
	mysql_close($cnx);
	//mensaje de exito.
	$mensaje = "El registro ha sido ingresado";
	exit;
}

?>

If you can help me... I thanks a lot... If not... I thanks a lot anyway =D
Best regards!

------------------------------------------
Emiliano Boragina
desarrollos + comunicación
------------------------------------------
+ 15 33 92 60 02
» emiliano.boragina@xxxxxxxxx
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© 2010
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