function flash()
{
// init
$output = '';
// get the flash msg array from the session
$data = parent::read('flash');
// data looks like this
// $data = array('flash message', 'success');
// delete the session variable
parent::del('flash');
// if the flash message is not empty
if (!empty($data[0])) {
// switch depending on flash type
switch ($data[1]) {
case 'success':
// print out a div with a success class
$output .= '<div class="flash_success">';
break;
case 'failure':
// print out a div with a failure class
$output .= '<div class="flash_failure">';
break;
default:
// print out a default flash class
$output .= '<div class="flash">';
break;
}
// save the flash message with the closing div
$output .= $data[0] . '</div>';
}
return $output;
}
