Alert Helper with Bootstrap 3 style for Codeigniter

alert_helper.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

function _base_alert($type, $title, $message = false)
{
  $CI =& get_instance();
  $alert = json_encode(array('type' => $type, 'head' => $title, 'message' => $message));
  $CI->session->set_flashdata('alert', $alert);
}

function process_alert($json)
{
  $config = json_decode($json);
  $icon   = '';
  switch($config->{'type'})
  {
    case 'success':
    $icon = 'ok';
    $head = 'Success Message';
    break;
    
    case 'info':
    $icon = 'info-sign';
    $head = 'Info Message';
    break;
      
    case 'warning':
    $icon = 'record';
    $head = 'Warning Message';
    break;
        
    case 'danger':
    $icon = 'hand-right';
    $head = 'Danger Message';
    break;
  }
  
  $head = (!empty($config->{'head'})) ? $config->{'head'} : $head;
  $msg  = (empty($config->{'message'})) ? '' : '<hr class="message-inner-separator"><p>'.$config->{'message'}.'</p>';
  return '<section id="alert"><div class="container"><div class="alert alert-'.$config->{'type'}.'"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button><span class="glyphicon glyphicon-'.$icon.'"></span> <strong>'.$head.'</strong>'. $msg .'</div></div></section>';
}

if (!function_exists('success'))
{
  function success($title, $message = false)
  {
    _base_alert('success', $title, $message);
  }
}

if (!function_exists('warning'))
{
  function warning($title, $message = false)
  {
    _base_alert('warning', $title, $message);
  }
}

if (!function_exists('error'))
{
  function error($title, $message = false)
  {
    _base_alert('danger', $title, $message);
  }
}

if (!function_exists('info'))
{
  function info($title, $message = false)
  {
    _base_alert('info', $title, $message);
  }
}

/* End of file alert_helper.php */
/* Location: ./application/helpers/alert_helper.php */

Seems to be unfinished....

How to call 👍
$this->session->set_flashdata('alert', 'Hello World !');

Put this code in your head

<?php if ($_SESSION['alert'] != ''): ?>
      <script type="text/javascript">
          toastr.success('<?php echo $this->session->flashdata("alert);?>');
      </script>
  <?php endif; ?>