Creating Repeative Fields inside my Form Symfony2

I am working on a college project where I want to take the attendance of all the students. I have created a model with 3 fields i,e date, present (boolean) and student_id. Now when I try to generate a form out of it, it will display me only these 3 fields. However I want all the students of the class. So I created a loop for students and created an array of attendance objects. Now I am stuck, I don't know how I can pass them to my TWIG file, and I am also confused if it ist the right way to do this. Here is my Model and Controller code

namespace College\StudentBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilder;

class StudentAttendanceType extends AbstractType
   public function buildForm(FormBuilder $builder, array $options)

   public function getName()
     return 'college_studentbundle_studentattendancetype';
public function takeAttendanceAction($Department_Id)
    $students = $this->getDoctrine()

    foreach($students as $key => $student){

        $attendance[$key] = new StudentAttendance();
        $form[$key] = $this->createForm(new StudentAttendanceType(), $attendance[$key]);

    $request = $this->getRequest();
    if ($request->getMethod() == 'POST') {

        if ($form->isValid()) {

            $em = $this->getDoctrine()
            return $this->redirect($this->generateUrl('CollegeStudentBundle_index', array('id' => $Department_Id)));
    return $this->render('CollegeStudentBundle:StudentAttendance:take-attendance.html.twig', array(
            'form' => $form->createView(), 'department' => $Department_Id, 'students' => $students,

How can I render the form in a way that it will display me all the students with a separate checkbox ?

{% block body  %}
<form  action="{{ path('CollegeStudentBundle_take_attendance',{'id':department} ) }}" method="post" {{ form_enctype(form) }} name="acadimics-form" id="acadimics-form" >

{{ form_errors(form) }}
{{ form_row(forms[0].date) }}

<table id="mytabs" border="1" cellpadding="5" cellspacing="2" width="100%" >
    <th> Enrolment No. </th>
    <th> Student's Name </th>
    <th> Present </th>
  {% for student in students %}
       <td> {{ student.enrolmentNo }} </td>
       <td> {{ student.firstname }} {{ student.lastname }} </td>
       <td> {{ form_row(form.present) }} </td>
  {% endfor %}
  {{ form_rest(form) }}

<input type="submit" value="Take Attendance"  />

{% endblock %}


Not tested. But there should be a little modification. The loop in the controller:

foreach($students as $key => $student){

    $attendance[$key] = new StudentAttendance();
    $form[$key] = $this->createForm(new StudentAttendanceType(), $attendance[$key])->createView();

return the array:

return $this->render('CollegeStudentBundle:StudentAttendance:take-attendance.html.twig', array(
    'form' => $form, 'department' => $Department_Id, 'students' => $students,

In the template:

{% for sform in form %}
    {{ form_widget(sform) }}
{% endfor %}

I think you may be on the wrong track. S2 already deals with arrays out of the box.

Read through:

You basically want to create a master ListofStudents form and then imbed a StudentAttendence form. You can then pass your array of students to the master form and all the array processing will happen magically.

In your ListOfStudents form you will have something like:

public function buildForm(FormBuilder $builder, array $options)
    $builder->add('students', 'collection', array('type' => new StudentAttendenceType()));

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