não estou a conseguir fechar a sessao quando o tempo expira
segue-se o codigo
<?php
session_start();
require_once('Database.php');
require_once('no-cache-headers.php');
require_once('config.php');
$_SESSION["SESS_EXP_TIME"]="";
//require_once('no-cache-headers.php');
$link = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_DATABASE);
if (!$link) {
die('Falha de ligacao a BD: ' . mysql_error());
}
$query = 'SELECT * FROM news INNER JOIN users ON users.username = news.name ORDER BY date DESC LIMIT 4';
$result = $link -> query($query);
?>
<!DOCTYPE html>
<html class="no-js" lang="pt">
<head>
<link rel="stylesheet" type="text/css" href="css/style.css" media="screen">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;">
<!-- Syntax Highlighter -->
<!-- Demo CSS -->
<link rel="stylesheet" href="css/flexslider.css" type="text/css" media="screen" />
<!-- Modernizr -->
<script src="js/modernizr.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<style>
.btn-label {
position: relative;
left: -12px;
display: inline-block;
padding: 6px 12px;
background: rgba(0,0,0,0.15);
border-radius: 3px 0 0 3px;
}
.btn-labeled {
padding-top: 0;
padding-bottom: 0;
}
.btn {
margin-bottom: 10px;
}
.test {
/// position: relative;
top: 0px;
width: 100%;
height: 600px;
overflow: auto;
font-size: 12px;
}
// #section1 {
color: #fff;
background-color: #1E88E5;
}
// #section2 {
color: #fff;
background-color: #673ab7;
}
// #section3 {
color: #fff;
background-color: #ff9800;
}
//#section41 {
color: #fff;
background-color: #00bcd4;
}
// #section42 {
color: #fff;
background-color: #009688;
}
.flexslider {
background: none;
border: none;
box-shadow: none;
margin: 0px;
}
.flex-control-nav {
position: absolute;
top: 25px;
right: 20px;
}
.container {
width: 100%;
}
.navbar-nav {
text-align: center;
}
.nav-pills {
display: inline-block;
text-align: center;
}
html, body {
height: 100%;
}
.carousel, .item, .active {
height: 100%;
}
.fill {
width: 100%;
height: 100%;
background-position: center;
background-size: cover;
}
.carousel-inner {
height: 100%;
}
.carousel-control {
top: 49%;
left: 5px;
width: 50px;
height: 50px;
margin-top: -20px;
font-size: 100px;
font-weight: 100;
line-height: 30px;
color: #ffffff;
text-align: center;
background: transparent;
border: 0;
}
.light-color, .light-color a {
color: #f7f7f7;
text-decoration: none
}
.blocky {
margin-left: 8%;
margin-top: 9%;
}
.blocky h1, .blocky h2 {
background-color: rgba(1,240,1,0.3);
display: inline;
text-transform: none;
font-weight: 800;
color: white;
line-height: 52px;
}
.blocky h1 span, .blocky h2 span {
padding: 20px;
color: #fff;
}
.carousel-pills {
bottom: 15%;
display: block;
left: 0;
*position: absolute;
position: relative;
right: 10px;
text-align: center;
}
.carousel-pills span {
background: none repeat scroll 0 0 #222222;
border-radius: 15px 15px 15px 15px;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), 0 -1px 0 rgba(0, 0, 0, 0.1) inset;
cursor: pointer;
display: inline-block;
height: 12px;
margin: 0 5px;
width: 12px;
}
.carousel-pills span.active-pill {
background-color: #F8F8F8;
background-image: -moz-linear-gradient(center top, #FFFFFF, #EEEEEE);
background-repeat: repeat-x;
}
.carousel-pills span:hover {
background: none repeat scroll 0 0 #EEEEEE;
}
</style>
<meta charset="UTF-8">
<title>Transportes Americanos</title>
</head>
<body>
<div class="zona1">
<div class="zona2">
<!-- Begin the Zona 2 div -->
<img src="images/logo.gif"></img>
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button>
<div class="col-sm-6">
<div class="pull-left hidden-xs"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"><i style="font-size:50px" class="glyphicon glyphicon-th-list"></i></a>
<ul class="dropdown-menu">
<li><a href="#"><i class="glyphicon glyphicon-chevron-right">Twiter</i></a></li>
<li><a href="#"><i class="glyphicon glyphicon-user"></i> Facebook</a></li>
<li><a href="#"><i class="glyphicon glyphicon-lock"></i> Link</a></li>
<li><a href="#"><i class="glyphicon glyphicon-cog"></i> Link</a></li>
</ul>
</div>
</div>
</div>
<div class="collapse navbar-collapse" id="myNavbar">
<ul class="nav navbar-nav navbar-right">
<li><img src="glyphicons_social/png/social-3-google-plus.png" width="50" height="50" align="right" ></img></li>
<li><img src="glyphicons_social/png/social-31-facebook.png" width="50" height="50" align="right"></img></li>
<li><img src="glyphicons_social/png/social-32-twitter.png" width="50" height="50" align="right"></img></li>
<li><a href="contactosnos.php">Contactos Nos</a></li>
<li><a href="#">Fale com representante de Vendas</a></li>
<?php
//Iniciar Sessao (isto é obrigatório sempres que se usam sessões)
// Verificar se existe sessao activa
// se nao existir definida a variavel $_SESSION['SESS_MEMBER_ID']
// redirecciona para pagina de acesso negado
if(!isset($_SESSION['SESS_MEMBER_ID']) || (trim($_SESSION['SESS_MEMBER_ID']) == '')) {
//header("location: access-denied.php");
?>
<li><a href="registar.php"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
<li><a href="login.php"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
<?php //exit();
}
else if(!isset($_SESSION['SESS_MEMBER_ID'])==false) {
?>
<li><a href="logout.php"><span class="glyphicon glyphicon-log-in"></span> Logout</a></li>
<?php }$exp_time = intval($_SESSION["SESS_EXP_TIME"]);
if (time() < $exp_time) {
//echo('ok2');
// Sessão ainda válida.
// refrescar o tempo de expiração
// o SESSION_TIMEOUT esta definido em config.php
$_SESSION["SESS_EXP_TIME"] = time() + SESSION_TIMEOUT;
}
if( $_SESSION["SESS_EXP_TIME"]>$exp_time)
header('location: logout.php');
// Checking the time now when home page starts.
?>