PHP session::check方法代碼示例

 static function check($key)
 {
     if (is_array($key)) {
         $set = true;
         foreach ($key as $k) {
             if (!session::check($k)) {
                 $set = false;
             }
         }
         return $set;
     } else {
         $key = session::generateSessionKey($key);
         return isset($_SESSION[$key]);
     }
 }

 function drawWidget()
 {
     $s = new session();
     if (session::check() != false) {
         $w = new box($this->logged_in_realm_caption);
         $w->css_box = "login";
         $w->addWidget(html::write($this->logged_in_caption . $s->user->username));
         $w->addWidget(new button($this->logout_caption, $this->logouttarget . "?logout=1"));
         return $w->draw();
     }
     $h = new html();
     $h->html .= "\n\t\t\t\t\t\n\t\t\t\t\t<form method=\"post\" action=\"" . $this->target . "\">\n\t\t\t\t\t<table>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td colspan=\"2\">\n\t\t\t\t\t\t\t" . $this->realm_caption . "\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr><td>" . $this->username_caption . "</td><td><input type=\"text\" name=\"username\"></td></tr>\t\t\t\n\t\t\t\t\t\t<tr><td>" . $this->password_caption . "</td><td><input type=\"password\" name=\"password\"></td></tr>\n\t\t\t\t\t\t<tr><td><input type=\"submit\" value=\"" . $this->submit_caption . "\"></td></tr></table></form>";
     $b = new box($this->realm_caption, $h);
     $b->css_box = "login";
     return $b->draw();
 }

/**
 * This file is used to verify that the session parameters are correct
 * In case of invalid Session, the script is stopped
 */
require_once 'class/Session.class.php';
// Caller script should pass a GET parameter with the domain name
//gj([X.X.X] - sanitize input, register patterns globally for readability and consistency. email, adword, instance, etc)^M
$domain = preg_replace("/[^a-zA-Z0-9\\-\\.]/", "", $_REQUEST['domain']);
$databaseName = preg_replace("/[^a-zA-Z0-9\\_]/", "", $_REQUEST['databaseName']);
if ($domain == null || $domain == "") {
    echo json_encode(array('error' => "parameter", 'errorMsg' => "Invalid parameter domain!"));
    die;
}
// Get the instance name from the domain
// Open the session of the instance database
//$instance = getInstanceNameFromDomain($domain);
$instance = $databaseName;
session::initByInstance($instance);
session::check();
//Verify that the instance session has the checkout information
// and the same domain
if (!isset($_SESSION['checkoutCampaign'])) {
    echo json_encode(array('error' => "Session", 'errorMsg' => "Missing Session Information! Instance name:" . $instance . " , domain name: " . $domain));
    die;
} else {
    $domainFromSession = $_SESSION['checkoutCampaign']['instanceHost'];
    if ($domain != $domainFromSession) {
        echo json_encode(array('error' => "Session", 'errorMsg' => "Invalid domain information!"));
        die;
    }
}

<?php

include '../core/main.class.php';
$main = new Main();
//check for loged in
$id = Security::secureString($_GET['id']);
$idea = mysql_fetch_array($main->con()->db_query("SELECT votes FROM feedback_ideas WHERE id='{$id}'"));
if (session::check()) {
    $voter_id = session::get_param('user_id');
    $main->con()->db_query("UPDATE feedback_ideas SET votes=votes+1 WHERE id='{$id}'");
    $main->con()->db_query("INSERT INTO feedback_votes (idea_id,voter_id) VALUES('{$id}','{$voter_id}')");
}
echo render::dynamicFont(number_format($idea['votes'] + 1, 0, '', ','), 32);
?>
<br/>
votes<br/>

<?php

include '../core/main.class.php';
$main = new Main();
//check for loged in
$id = Security::secureString($_GET['id']);
$status = Security::secureString($_GET['status']);
if (session::check() && session::get_param('admin')) {
    $main->con()->db_query("UPDATE feedback_ideas SET status='{$status}' WHERE id='{$id}'");
    $info = array('status' => '<div id="status_' . $id . '" class="nr_votes ' . render::giveStatus($status, "class") . '">' . render::giveStatus($status, "text") . '</div>', 'adm_com' => '<div id="com_status_' . $id . '" class="ad_' . render::giveStatus($status, "class") . '"></div>');
    echo json_encode($info);
}

    </div>
</div>
<div id="blackout"></div>
<div id="content">
    <a href="<?php 
echo HTTP_CORE_BASE;
?>
"><img src="<?php 
echo HTTP_CORE_BASE;
?>
images/logo.jpg" alt="logo"/></a>
    <br clear="all"/>
    <div class="title fleft"><b>Chocksy</b> Feedback</div>
    <div class="get_in">
        <?php 
if (!session::check()) {
    ?>
            <a href="<?php 
    echo HTTP_CORE_BASE;
    ?>
getin">Login</a> sau <a href="<?php 
    echo HTTP_CORE_BASE;
    ?>
getin">Register</a>
        <?php 
} else {
    ?>
            <a href="javascript:void(0)" onclick="OPN.logout()">Log Out</a>
        <?php 
}
?>

function isLoggedIn()
{
    $check = array("id", "username", "admin", "fname", "lname");
    if (session::check($check)) {
        return true;
    } else {
        return false;
    }
}

 public static function checkVoted($idea_id, $voted_ideas)
 {
     if (self::array_search_r($idea_id, $voted_ideas) || !session::check()) {
         return true;
     } else {
         return false;
     }
 }

 public function init()
 {
     if (!session::check('user')) {
         $this->redirect(Request::createUrl('login', 'login'));
     }
 }