system/controls/formcontrolrepeater.php

<?php

namespace Habari;

class FormControlRepeater extends FormContainer
{
  public function _extend()
  {
    $this->set_settings(array(
      'ignore_name' => true,
      'process' => false,
    ));
  }

  public function get(Theme $theme)
  {
    $this->vars['element'] = $this->get_setting('wrap_element', 'div');

    $content = '';

    foreach($this->value as $key => $data) {
      // Push the $key of this array item into the control's name
      $this->each(function(FormControl $control) use($key) {
        $control->add_input_array($key);
      });

      $content .= $this->get_contents($theme);

      // Pop the key of this array item out of the control's name
      $this->each(function(FormControl $control) {
        $control->pop_input_array();
      });
    }

    $this->vars['content'] = $content;

    return FormControl::get($theme);
  }
}

?>