$this->session->set_flashdata() and then $this->session->flashdata() doesn't work in codeigniter

Question

Please take a look at the following code:

$this->session->set_flashdata('message', 'This is a message.');
var_dump($this->session->flashdata('message'));

It returns bool(false).

I hope it doesn't NEED a redirect() to be recallable after that, because some times I need to call it right after setting the flashdata in a view.

---

Edit after venkat's comment

$this->session->set_flashdata('message', 'This is a message.');
$this->session->keep_flashdata('message');
var_dump($this->session->flashdata('message'));

No difference unfortunately.

Answer 1

Well, the documentation does actually state that

CodeIgniter supports "flashdata", or session data that will only be available for the next server request, and are then automatically cleared.

as the very first thing, which obviusly means that you need to do a new server request. A redirect, a refresh, a link or some other mean to send the user to the next request.

Why use flashdata if you are using it in the same request, anyway? You'd might as well not use flashdata or use a regular session.

Answer 2

// Set flash data 
$this->session->set_flashdata('message_name', 'This is my message');
// After that you need to used redirect function instead of load view such as 
redirect("admin/signup");

// Get Flash data on view 
$this->session->flashdata('message_name');

Answer 3

To set flashdata you need to redirect controller function

$this->session->set_flashdata('message_name', 'This is test message');

//redirect to some function
redirect("controller/function_name");

//echo in view or controller
$this->session->flashdata('message_name');

Answer 4

Displaying a flash message after redirect in Codeigniter

In Your Controller set this

<?php

public function change_password(){







if($this->input->post('submit')){
$change = $this->common_register->change_password();

if($change == true){
$messge = array('message' => 'Password chnage successfully','class' => 'alert alert-success fade in');
$this->session->set_flashdata('item', $messge);
}else{
$messge = array('message' => 'Wrong password enter','class' => 'alert alert-danger fade in');
$this->session->set_flashdata('item',$messge );
}
$this->session->keep_flashdata('item',$messge);



redirect('controllername/methodname','refresh');
}

?>

In Your View File Set this
<script type="application/javascript">
/** After windod Load */
$(window).bind("load", function() {
  window.setTimeout(function() {
    $(".alert").fadeTo(500, 0).slideUp(500, function(){
        $(this).remove();
    });
}, 4000);
});
</script>

<?php

if($this->session->flashdata('item')) {
$message = $this->session->flashdata('item');
?>
<div class="<?php echo $message['class'] ?>"><?php echo $message['message']; ?>

</div>
<?php
}

?>

Please check below link for Displaying a flash message after redirect in Codeigniter