/**
* Handles redirects to other pages. If page argument "ref" has a value,
* that will be used as the url for the redirect, overriding the $sURI argument passed to the script.
* @param string $target_uri URI to redirect to.
* @param string $msg (Optional) message to pass along to the next page.
* @throws ConfigurationUndefinedException
*/
public static function doRedirect($target_uri = '', $msg = null)
{
if (!defined('P_MESSAGE')) {
throw new ConfigurationUndefinedException("P_MESSAGE not defined in app settings.");
}
if (!defined('P_REFERER')) {
throw new ConfigurationUndefinedException("P_REFERER not defined in app settings.");
}
$_SESSION[P_MESSAGE] = $msg;
$uri = Validation::collectStringInput(P_REFERER, FILTER_SANITIZE_URL);
if (!$uri) {
$uri = $target_uri;
}
$iPos = strpos($uri, "/");
if (is_numeric($iPos) && $iPos == 0) {
/* NB INPUT_SERVER is unreliable with filter_input() */
$uri = 'http://' . $_SERVER['HTTP_HOST'] . $uri;
}
if (function_exists('cleanup')) {
cleanup();
}
header("Location: {$uri}\n\n");
exit;
}
/**
* Collects page status value as defined in request variables (e.g. GET, POST, session)
* @throws ConfigurationUndefinedException
*/
public static function collectPageStatus()
{
if (!defined('P_MESSAGE')) {
throw new ConfigurationUndefinedException("P_MESSAGE not defined in app settings.");
}
self::$status = Validation::collectStringInput(P_MESSAGE);
if (isset($_SESSION[P_MESSAGE])) {
unset($_SESSION[P_MESSAGE]);
}
}
