diff --git a/module_filter.install b/module_filter.install
index ebe1dfd..3af5125 100644
--- a/module_filter.install
+++ b/module_filter.install
@@ -10,7 +10,7 @@
  */
 function module_filter_install() {
   $state = \Drupal::state();
-  $state->set('module_filter.recent', array('module_filter' => REQUEST_TIME));
+  $state->set('module_filter.recent', ['module_filter' => REQUEST_TIME]);
 }
 
 /**
diff --git a/module_filter.module b/module_filter.module
index 26067cd..ee3e39d 100644
--- a/module_filter.module
+++ b/module_filter.module
@@ -25,31 +25,31 @@ function module_filter_form_system_modules_alter(&$form, FormStateInterface $for
     $form['filters']['text']['#default_value'] = $_GET['filter'];
   }
 
-  $status_defaults = array(
+  $status_defaults = [
     ((isset($_GET['enabled'])) ? $_GET['enabled'] : 1) ? 'enabled' : '',
     ((isset($_GET['disabled'])) ? $_GET['disabled'] : 1) ? 'disabled' : '',
     ((isset($_GET['unavailable'])) ? $_GET['unavailable'] : 1) ? 'unavailable' : '',
-  );
-  $form['filters']['status'] = array(
+  ];
+  $form['filters']['status'] = [
     '#type' => 'container',
-    '#attributes' => array(
-      'class' => array(
+    '#attributes' => [
+      'class' => [
         'module-filter-status',
-      ),
-    ),
-    'checkboxes' => array(
+      ],
+    ],
+    'checkboxes' => [
       '#type' => 'checkboxes',
       '#default_value' => array_filter($status_defaults),
-      '#options' => array(
+      '#options' => [
         'enabled' => t('Enabled'),
         'disabled' => t('Disabled'),
         'unavailable' => t('Unavailable'),
-      ),
-    ),
-  );
+      ],
+    ],
+  ];
 
   $state = \Drupal::state();
-  $recent = $state->get('module_filter.recent') ?: array();
+  $recent = $state->get('module_filter.recent') ?: [];
 
   // Remove recent items older than a week.
   $recent = array_filter($recent, function ($val) {
@@ -153,7 +153,7 @@ function module_filter_preprocess_system_modules_details(&$variables) {
  */
 function module_filter_system_modules_recent_enabled_submit($form, FormStateInterface $form_state) {
   $state = \Drupal::state();
-  $recent = $state->get('module_filter.recent') ?: array();
+  $recent = $state->get('module_filter.recent') ?: [];
 
   foreach ($form_state->getValue('modules') as $package => $modules) {
     foreach ($modules as $module => $details) {
@@ -171,6 +171,6 @@ function module_filter_system_modules_recent_enabled_submit($form, FormStateInte
  */
 function module_filter_system_modules_redirect_submit($form, FormStateInterface $form_state) {
   if ($text = $form_state->getValue('text')) {
-    $form_state->setRedirect('system.modules_list', array('filter' => $text));
+    $form_state->setRedirect('system.modules_list', ['filter' => $text]);
   }
 }
diff --git a/src/Form/ModuleFilterSettingsForm.php b/src/Form/ModuleFilterSettingsForm.php
index 716eb80..fb1ec4b 100644
--- a/src/Form/ModuleFilterSettingsForm.php
+++ b/src/Form/ModuleFilterSettingsForm.php
@@ -24,18 +24,18 @@ class ModuleFilterSettingsForm extends ConfigFormBase {
     $config = $this->config('module_filter.settings');
     $form = parent::buildForm($form, $form_state);
 
-    $form['modules'] = array(
+    $form['modules'] = [
       '#type' => 'fieldset',
       '#title' => $this->t('Extend'),
       '#description' => $this->t('These are settings pertaining to the Extend pages of the site.'),
       '#collapsible' => FALSE,
-    );
-    $form['modules']['tabs'] = array(
+    ];
+    $form['modules']['tabs'] = [
       '#type' => 'checkbox',
       '#title' => $this->t('Enhance the Extend page with tabs'),
       '#description' => $this->t('Provides many enhancements to the Extend page including the use of tabs for packages.'),
       '#default_value' => $config->get('tabs'),
-    );
+    ];
 
     return $form;
   }
diff --git a/src/Form/ModuleFilterUpdateStatusForm.php b/src/Form/ModuleFilterUpdateStatusForm.php
index 04fd27a..eebca53 100644
--- a/src/Form/ModuleFilterUpdateStatusForm.php
+++ b/src/Form/ModuleFilterUpdateStatusForm.php
@@ -49,23 +49,23 @@ class ModuleFilterUpdateStatusForm extends FormBase {
       $form['filters']['text']['#default_value'] = $_GET['filter'];
     }
 
-    $form['filters']['radios'] = array(
+    $form['filters']['radios'] = [
       '#type' => 'container',
-      '#attributes' => array(
-        'class' => array(
+      '#attributes' => [
+        'class' => [
           'module-filter-status',
-        ),
-      ),
-      'show' => array(
+        ],
+      ],
+      'show' => [
         '#type' => 'radios',
         '#default_value' => 'all',
-        '#options' => array(
+        '#options' => [
           'all' => $this->t('All'),
           'updates' => $this->t('Update available'),
           'security' => $this->t('Security update'),
-        ),
-      ),
-    );
+        ],
+      ],
+    ];
 
     return $form;
   }