Experimental project

This is a sandbox project, which contains experimental code for developer use only.

first of Create Custom module and add below code and get results


function <module>_form_field_ui_field_edit_form_alter(&$form, &$form_state, $form_id) {
  // Increase the max cardinality to 20
  $range = drupal_map_assoc(range(1, 20));
  $new_options =  array(FIELD_CARDINALITY_UNLIMITED => t('Unlimited')) + $range;
 
  // Change the options
  $form['field']['cardinality']['#options'] = $new_options;
}

Project information