+<?php
+
+/**
+ * @file
+ * Changes an exposed "type" filter from a multi-select to checkboxes.
+ */
+
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Changes an exposed "type" filter from a multi-select to checkboxes.
+ */
+function views_test_checkboxes_theme_form_views_exposed_form_alter(&$form, FormStateInterface $form_state) {
+ $form['type']['#type'] = 'checkboxes';
+}