how to handle multiple submit buttons in form cakephp3 - cakephp-3.0

Question

I have just started learning cakephp3, so please excuse me for anything wrong.
So I have one form in which I am collecting data, I want to have two submit buttons. One submit button will return to the index page, and another submit button will re-direct me to some other action.
But how to know in controller that which submit button has been clicked?
here is my code
<?= $this->Form->create($User) ?>
<fieldset>
<legend><?= __('Add User') ?></legend>
<?php
echo $this->Form->control('first_name');
echo $this->Form->control('last_name');
echo $this->Form->control('status');
?>
</fieldset>
<?= $this->Form->submit(__('Save & Exit', array('name'=>'btn1'))) ?>
<?= $this->Form->submit(__('Save & Add Educational Details', array('name'=>'btn2'))) ?>
<?= $this->Form->end() ?>
in my controller i have written this
if(isset($this->request->data['btn1'])) {
return $this->redirect(['action' => 'index']);
} else if(isset($this->request->data['btn2'])) {
return $this->redirect(['controller' => 'educationQualifications', 'action' => 'add']);
}
but I am not able to get which button has been clicked..
Please tell how can I achieve this?
Thanks in advance

Answer 1

What ever you did is right but a small mistake, You have to use isset() in if condition as if implicitly not check for isset(). Check the correction below
if(isset($this->request->data['btn1'])) {
return $this->redirect(['action' => 'index']);
} else if(isset($this->request->data['btn2'])) {
return $this->redirect(['controller' => 'educationQualifications', 'action' => 'add']);
}
Or you can try this, you have to give the same name for the buttons.
In your view
<?= $this->Form->submit(('Save & Exit'), array('name'=>'btn')) ?>
<?= $this->Form->submit(('Save & Add Educational Details'), array('name'=>'btn')) ?>
In your controller
if($this->request->data['btn']=='Save & Exit') {
return $this->redirect(['action' => 'index']);
} else if($this->request->data['btn']=='Save & Add Educational Details')) {
return $this->redirect(['controller' => 'educationQualifications', 'action' => 'add']);
}