Improve the code.

commerce_omniva.install

@@ -21,7 +21,7 @@ function commerce_omniva_field_schema($field) {
       'type' => 'varchar',
       'length' => 10,
       'not null' => FALSE,
-      ),
+    ),
   );
   $indexes = array(
     'zip' => array('zip'),

commerce_omniva.module

@@ -121,7 +121,7 @@ function commerce_omniva_field_settings_form($field, $instance, $has_data) {
 function commerce_omniva_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
   foreach ($items as $delta => $item) {
     if (!empty($item['zip'])) {
-      if (! is_numeric($item['zip'])) {
+      if (!is_numeric($item['zip'])) {
         $errors[$field['field_name']][$langcode][$delta][] = array(
           'error' => 'commerce_omniva_invalid',
           'message' => t('You must select a location.'),
@@ -146,6 +146,7 @@ function commerce_omniva_field_is_empty($item, $field) {
  * Implements hook_field_formatter_info().
  *
  * I could define more that one display.
+ *
  * @see field_example_field_formatter_view()
  */
 function commerce_omniva_field_formatter_info() {
@@ -172,9 +173,7 @@ function commerce_omniva_field_formatter_view($entity_type, $entity, $field, $in
         $element[$delta] = array(
           '#type' => 'html_tag',
           '#tag' => 'p',
-          '#value' =>
-            '<label> ' . $t_name . ':</label> ' .
-            $place[$item['zip']]['NAME'],
+          '#value' => '<label> ' . $t_name . ':</label> ' . $place[$item['zip']]['NAME'],
         );
       }
       break;
@@ -202,7 +201,6 @@ function commerce_omniva_field_widget_info() {
  *
  * hook_widget_form() is where Drupal tells us to create form elements for
  * our field's widget.
- *
  */
 function commerce_omniva_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
   $value = isset($items[$delta]['zip']) ? $items[$delta]['zip'] : '';