Issue
I viewed the answer Which Submit Button was Clicked in CakePHP?. That situation doesn't apply to me, because I have the same action for each button.
I want to reuse a bootstrap modal and I want to know which item was selected when the modal was invoked. Very simply, I have a table with grades for each school object. When the user clicks the add button, I want to invoke the modal and add a grade for that object. I want to know which object was selected, because I want to reuse the modal for all objects. How can I do that in cakephp 3.x ?
After a teacher wants to add a grade and press the + button how do I know if he/she selected Mathematics or English if I use the same modal for grade saving? 
.
Solution
okey, most simple way is in modal to have hidden field, which contains a subject. I think this has not much to do with cakephp. Example should look like this:
function modalopen(subject) {
$('#modal #subject').val(subject);
$('#modal').modal('toggle');
}<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M" crossorigin="anonymous">
</head>
<body>
<button type="button" class="btn btn-info" onclick="modalopen('english')">+</button>
<button type="button" class="btn btn-info" onclick="modalopen('math')">+</button>
<div class="modal fade" id="modal" tabindex="-1" role="dialog" aria-labelledby="" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h4 class="modal-title" id=""></h4>
</div>
<div class="modal-body">
sub (will be hidden):<br>
<input type="text" name="subject" id ="subject" value="" placeholder="will be hidden"><br>
Mark:<br>
<input type="text" name="mark" id ="mark" value="" placeholder="mark">
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save</button>
</div>
</div>
</div>
</div>
</body>
</html>Answered By - Aivaras
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