diff --git a/src/Element/TimeElement.php b/src/Element/TimeElement.php
index 6c04788..965eecd 100644
--- a/src/Element/TimeElement.php
+++ b/src/Element/TimeElement.php
@@ -23,12 +23,12 @@ class TimeElement extends RenderElement {
    */
   public function getInfo() {
     $class = get_class($this);
-    return array(
+    return [
       '#input' => TRUE,
       '#tree' => TRUE,
-      '#process' => array(array($class, 'processTime')),
-      '#theme_wrappers' => array('form_element'),
-    );
+      '#process' => [[$class, 'processTime']],
+      '#theme_wrappers' => ['form_element'],
+    ];
   }
 
   /**
@@ -39,33 +39,33 @@ class TimeElement extends RenderElement {
     module_load_include('inc', 'unix_time_conversion', 'unix_time_conversion.helper_functions');
     // Container element.
     $element['#tree'] = TRUE;
-    $element['time_container'] = array(
+    $element['time_container'] = [
       '#type' => 'container',
-      '#attributes' => array(
-        'class' => array('container-inline unix_time_conversion_time_field_container'),
-      ),
-    );
+      '#attributes' => [
+        'class' => ['container-inline unix_time_conversion_time_field_container'],
+      ],
+    ];
     // Hours element.
-    $element['time_container']['hours'] = array(
+    $element['time_container']['hours'] = [
       '#title' => t('Hours'),
       '#title_display' => 'invisible',
       '#type' => 'select',
       '#options' => unix_time_conversion_get_time_in_range(0, 23),
-    );
+    ];
     // Minutes element.
-    $element['time_container']['minutes'] = array(
+    $element['time_container']['minutes'] = [
       '#title' => t('Minutes'),
       '#title_display' => 'invisible',
       '#type' => 'select',
       '#options' => unix_time_conversion_get_time_in_range(0, 59),
-    );
+    ];
     // Seconds element.
-    $element['time_container']['seconds'] = array(
+    $element['time_container']['seconds'] = [
       '#title' => t('Seconds'),
       '#title_display' => 'invisible',
       '#type' => 'select',
       '#options' => unix_time_conversion_get_time_in_range(0, 59),
-    );
+    ];
 
     // Return element.
     return $element;
diff --git a/src/Form/DateToUnixTimestampBlockForm.php b/src/Form/DateToUnixTimestampBlockForm.php
index 8a0b606..71b70e4 100644
--- a/src/Form/DateToUnixTimestampBlockForm.php
+++ b/src/Form/DateToUnixTimestampBlockForm.php
@@ -37,47 +37,47 @@ class DateToUnixTimestampBlockForm extends FormBase {
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
     $config = $this->config('unix_time_conversion.settings');
-    $form = array();
+    $form = [];
     $form['#tree'] = TRUE;
     // Include the helper functions file.
     module_load_include('inc', 'unix_time_conversion', 'unix_time_conversion.helper_functions');
 
     // Date Input.
     $date_title = $config->get('unix_time_conversion_date_field_title');
-    $form['date'] = array(
-      '#title' => t('@date_title', array('@date_title' => $date_title)),
+    $form['date'] = [
+      '#title' => t('@date_title', ['@date_title' => $date_title]),
       '#type' => 'date',
       '#weight' => 1,
-    );
+    ];
     // Time Input.
     $time_title = $config->get('unix_time_conversion_time_field_title');
-    $form['time'] = array(
-      '#title' => t('@time_title', array('@time_title' => $time_title)),
+    $form['time'] = [
+      '#title' => t('@time_title', ['@time_title' => $time_title]),
       '#type' => 'time_element',
       '#weight' => 2,
-    );
+    ];
     // Calculate button.
-    $form['calculateTime'] = array(
+    $form['calculateTime'] = [
       '#value' => 'Calculate',
       '#type' => 'button',
-      '#ajax' => array(
+      '#ajax' => [
         // Function to call when event on form element triggered.
         'callback' => '::calculateTime',
         'event' => 'click',
-        'progress' => array(
+        'progress' => [
           'type' => 'throbber',
           'message' => 'Calculating Time..',
-        ),
-      ),
+        ],
+      ],
       '#weight' => 3,
-    );
+    ];
     // Calculated timestamp inside markup.
-    $form['calculated_timestamp'] = array(
+    $form['calculated_timestamp'] = [
       '#type' => 'markup',
       '#weight' => 4,
       '#prefix' => '<div id="unix_time_conversion_calculated_timestamp">',
       '#suffix' => '</div>',
-    );
+    ];
     return $form;
   }
 
diff --git a/src/Form/UnixTimeConversionSettings.php b/src/Form/UnixTimeConversionSettings.php
index e59d3d9..a3cccf7 100644
--- a/src/Form/UnixTimeConversionSettings.php
+++ b/src/Form/UnixTimeConversionSettings.php
@@ -44,74 +44,74 @@ class UnixTimeConversionSettings extends ConfigFormBase {
     $config = \Drupal::configFactory()->getEditable('unix_time_conversion.settings');
     // Include the helper functions file.
     module_load_include('inc', 'unix_time_conversion', 'unix_time_conversion.helper_functions');
-    $form = array();
+    $form = [];
     /*
      * Timestamp To Date.
      */
-    $form['unix_time_conversion_time_to_date'] = array(
+    $form['unix_time_conversion_time_to_date'] = [
       '#type' => 'fieldset',
       '#title' => t('Timestamp To Date'),
       '#collapsible' => TRUE,
       '#collapsed' => FALSE,
-    );
+    ];
     // Timestamp field title.
-    $form['unix_time_conversion_time_to_date']['unix_time_conversion_timestamp_field_title'] = array(
+    $form['unix_time_conversion_time_to_date']['unix_time_conversion_timestamp_field_title'] = [
       '#type' => 'textfield',
       '#title' => t('Timestamp Field Title'),
       '#description' => t('Will serve as field title for input timestamp field. Ex: Timestamp.'),
       '#required' => TRUE,
       '#default_value' => $config->get('unix_time_conversion_timestamp_field_title'),
-    );
+    ];
     // Timestamp field description.
-    $form['unix_time_conversion_time_to_date']['unix_time_conversion_timestamp_field_description'] = array(
+    $form['unix_time_conversion_time_to_date']['unix_time_conversion_timestamp_field_description'] = [
       '#type' => 'textfield',
       '#title' => t('Timestamp Field Description'),
       '#description' => t('Will serve as field description for input timestamp field.'),
       '#default_value' => $config->get('unix_time_conversion_timestamp_field_description'),
-    );
+    ];
     $url = Url::fromUri('http://php.net/manual/en/function.date.php');
-    $link_options = array('attributes' => array('target' => '_blank'));
+    $link_options = ['attributes' => ['target' => '_blank']];
     $url->setOptions($link_options);
     $link = Link::fromTextAndUrl(t('php manual'), $url)->toString();
 
     // Output format.
-    $form['unix_time_conversion_time_to_date']['unix_time_conversion_time_to_date_output_format'] = array(
+    $form['unix_time_conversion_time_to_date']['unix_time_conversion_time_to_date_output_format'] = [
       '#title' => t('Date Output Format'),
       '#type' => 'textfield',
-      '#description' => t('A user-defined date format. See the !phpmanual for available options.', array(
+      '#description' => t('A user-defined date format. See the !phpmanual for available options.', [
         '!phpmanual' => $link,
-          )
+          ]
       ),
       '#required' => TRUE,
       '#default_value' => $config->get('unix_time_conversion_time_to_date_output_format'),
-    );
+    ];
     
     // Date To Timestamp.
     
-    $form['unix_time_conversion_date_to_time'] = array(
+    $form['unix_time_conversion_date_to_time'] = [
       '#type' => 'fieldset',
       '#title' => t('Date To Timestamp'),
       '#collapsible' => TRUE,
       '#collapsed' => FALSE,
-    );
+    ];
     
     // Date field title.
-    $form['unix_time_conversion_date_to_time']['unix_time_conversion_date_field_title'] = array(
+    $form['unix_time_conversion_date_to_time']['unix_time_conversion_date_field_title'] = [
       '#type' => 'textfield',
       '#title' => t('Date Field Title'),
       '#description' => t('Will serve as field title for input date field. Ex: Date.'),
       '#required' => TRUE,
       '#default_value' => $config->get('unix_time_conversion_date_field_title'),
-    );
+    ];
     
     // Time field title.
-    $form['unix_time_conversion_date_to_time']['unix_time_conversion_time_field_title'] = array(
+    $form['unix_time_conversion_date_to_time']['unix_time_conversion_time_field_title'] = [
       '#type' => 'textfield',
       '#title' => t('Time Field Title'),
       '#description' => t('Will serve as field title for input time field. Ex: Time.'),
       '#required' => TRUE,
       '#default_value' => $config->get('unix_time_conversion_time_field_title'),
-    );
+    ];
     return parent::buildForm($form, $form_state);
   }
 
diff --git a/src/Form/UnixTimestampToDateBlockForm.php b/src/Form/UnixTimestampToDateBlockForm.php
index 19bdaf2..15851e3 100644
--- a/src/Form/UnixTimestampToDateBlockForm.php
+++ b/src/Form/UnixTimestampToDateBlockForm.php
@@ -37,40 +37,40 @@ class UnixTimestampToDateBlockForm extends FormBase {
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
     $config = $this->config('unix_time_conversion.settings');
-    $form = array();
+    $form = [];
     $timestamp_title = $config->get('unix_time_conversion_timestamp_field_title');
     $timestamp_description = $config->get('unix_time_conversion_timestamp_field_description');
-    $form['timestamp'] = array(
-      '#title' => t('@timestamp_title', array('@timestamp_title' => $timestamp_title)),
+    $form['timestamp'] = [
+      '#title' => t('@timestamp_title', ['@timestamp_title' => $timestamp_title]),
       '#type' => 'textfield',
       '#size' => 20,
       '#weight' => 1,
-      '#description' => t('@timestamp_desc', array('@timestamp_desc' => $timestamp_description)),
-    );
+      '#description' => t('@timestamp_desc', ['@timestamp_desc' => $timestamp_description]),
+    ];
 
     // Calculate submit button.
-    $form['calculateDate'] = array(
+    $form['calculateDate'] = [
       '#value' => 'Calculate',
       '#type' => 'button',
-      '#ajax' => array(
+      '#ajax' => [
         // Function to call when event on form element triggered.
         'callback' => '::calculateDate',
         'event' => 'click',
-        'progress' => array(
+        'progress' => [
           'type' => 'throbber',
           'message' => 'Calculating Date..',
-        ),
-      ),
+        ],
+      ],
       '#weight' => 2,
-    );
+    ];
 
     // Calculated date inside markup.
-    $form['calculated_date'] = array(
+    $form['calculated_date'] = [
       '#type' => 'markup',
       '#weight' => 4,
       '#prefix' => '<div id="unix_time_conversion_calculated_date">',
       '#suffix' => '</div>',
-    );
+    ];
     return $form;
   }
 
diff --git a/unix_time_conversion.helper_functions.inc b/unix_time_conversion.helper_functions.inc
index 9ba9e32..7e622e0 100644
--- a/unix_time_conversion.helper_functions.inc
+++ b/unix_time_conversion.helper_functions.inc
@@ -21,7 +21,7 @@ function unix_time_conversion_get_time_in_range($minimum, $maximum) {
   // Range of numbers.
   $range_of_numbers = range($minimum, $maximum);
   // Form array to return.
-  $return_array = array();
+  $return_array = [];
   // Loop from min to max value & form an array.
   foreach ($range_of_numbers as $number) {
     $element = ($number < 10) ? ("0" . $number) : ($number);