Different kinds of sessions (ks)

// Your Kaltura credentials
define("PARTNER_ID", "--Set your partner id here--");
define("USER_SECRET", "--Set your user secret here--");
define("ENTRY_ID", "--Set the entry id of a video with relevant KS access control applied that belong to the above partner id--");
define("UICONF_ID", "--Set the uiconf id of the player you'd like to use. You can find this id in the players list on the Studio tab in KMC--");
$user = "SomeoneWeKnow";  // Whatever user id you want to set (This is according to your system deployment)

require_once "client/KalturaClient.php";

//Connect to your authorization system here, this is just a mockup for the example...
$approved = false;
$user_name = $_POST['username'];
$password = $_POST['password'];

if ($user_name == 'demo' && $password == 'pass')
{
    $approved = true;
} else {
    $approved = false;
}

//Create a session
$conf = new KalturaConfiguration(PARTNER_ID);
$client = new KalturaClient($conf);
//This is the session start function signature: start($secret, $userId = "", $type = 0, $partnerId = -1, $expiry = 86400, $privileges = "")
//It is important that we pass the special permission "sview:ENTRY_ID" to provide access for the specific entry we want to play.
//This generated KS (Kaltura Session) will then be rendered to the page if the user has permissions to access the full video.
//If the user doesn't have permissions to access the full video, we'll not render a KS in the flashvars,
//and Kaltura will only stream the preview part of the video as defined in the access control profile.

$session = $client->session->start(USER_SECRET, $user, KalturaSessionType::USER, PARTNER_ID, 86400, 'sview:'.ENTRY_ID);

if (!isset($session)) {
        die("Could not establish Kaltura session with OLD session credentials. Please verify that you are using valid Kaltura partner credentials.");
}

$client->setKs($session);

echo '<h1>Status: '.($approved ? 'Approved' : 'Denied').'</h1>';
$flashvars = '';
if ($approved) {
        $flashvars .= 'ks=' . $session;
}

if ($approved == false)
        echo '<form method="POST" action="">
                        UserName: <input value="demo" type="text" name="username">
                        Password: <input value="pass" type="password" name="password">
                        <input type="submit" value="Login">
                </form>';
?>