coding standards issues

Closes #3354528

src/Form/CollapsiblockGlobalSettings.php

@@ -6,9 +6,10 @@ use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
 
 /**
- * Class CollapsiblockGlobalSettings.
+ * Defines CollapsiblockGlobalSettings class.
  *
  * @package Drupal\collapsiblock\Form.
+ * Defines the form
  */
 class CollapsiblockGlobalSettings extends ConfigFormBase {
 
@@ -36,21 +37,21 @@ class CollapsiblockGlobalSettings extends ConfigFormBase {
 
     $form['default_action'] = [
       '#type' => 'radios',
-      '#title' => t('Default block collapse behavior'),
-      '#options' => unserialize(COLLAPSIBLOCK_ACTION_OPTIONS),
+      '#title' => $this->t('Default block collapse behavior'),
+      '#options' => json_encode(COLLAPSIBLOCK_ACTION_OPTIONS),
       '#default_value' => $config->get('default_action'),
     ];
     $form['active_pages'] = [
       '#type' => 'checkbox',
-      '#title' => t('Remember collapsed state on active pages'),
+      '#title' => $this->t('Remember collapsed state on active pages'),
       '#default_value' => $config->get('active_pages'),
-      '#description' => t('Block can collapse even if it contains an active link (such as in menu blocks).'),
+      '#description' => $this->t('Block can collapse even if it contains an active link (such as in menu blocks).'),
     ];
     $form['slide_type'] = [
       '#type' => 'radios',
-      '#title' => t('Default animation type'),
-      '#options' => [1 => t('Slide'), 2 => t('Fade and slide')],
-      '#description' => t('Slide is the Drupal default while Fade and slide adds a nice fade effect.'),
+      '#title' => $this->t('Default animation type'),
+      '#options' => [1 => $this->t('Slide'), 2 => $this->t('Fade and slide')],
+      '#description' => $this->t('Slide is the Drupal default while Fade and slide adds a nice fade effect.'),
       '#default_value' => $config->get('slide_type'),
     ];
     $options = [
@@ -66,9 +67,9 @@ class CollapsiblockGlobalSettings extends ConfigFormBase {
     ];
     $form['slide_speed'] = [
       '#type' => 'select',
-      '#title' => t('Animation speed'),
+      '#title' => $this->t('Animation speed'),
       '#options' => array_combine($options, $options),
-      '#description' => t('The animation speed in milliseconds.'),
+      '#description' => $this->t('The animation speed in milliseconds.'),
       '#default_value' => $config->get('slide_speed'),
     ];