Settings are always populated

Author: indigoxela

cs_date_formatter.module

@@ -41,6 +41,7 @@ function cs_date_formatter_field_formatter_settings_form($field, $instance, $vie
   $display = $instance['display'][$view_mode];
   $settings = $display['settings'];
   $element = array();
+
   $element['date_format'] = array(
     '#title' => t('Format'),
     '#type' => 'radios',
@@ -85,49 +86,49 @@ function cs_date_formatter_field_formatter_settings_form($field, $instance, $vie
     '#type' => 'select',
     '#title' => t('Weekday display'),
     '#options' => array_merge($options, $options_nsl),
-    '#default_value' => isset($settings['weekday']) ? $settings['weekday'] : 'hidden',
+    '#default_value' => $settings['weekday'],
   ) + $element_commons;
   $element['year'] = array(
     '#type' => 'select',
     '#title' => t('Year display'),
     '#options' => array_merge($options, $options_n2d),
-    '#default_value' => isset($settings['year']) ? $settings['year'] : 'numeric',
+    '#default_value' => $settings['year'],
   ) + $element_commons;
   $element['month'] = array(
     '#type' => 'select',
     '#title' => t('Month display'),
     '#options' => array_merge($options, $options_n2d, $options_nsl),
-    '#default_value' => isset($settings['month']) ? $settings['month'] : 'short',
+    '#default_value' => $settings['month'],
   ) + $element_commons;
   $element['day'] = array(
     '#type' => 'select',
     '#title' => t('Day display'),
     '#options' => array_merge($options, $options_n2d),
-    '#default_value' => isset($settings['day']) ? $settings['day'] : '2-digit',
+    '#default_value' => $settings['day'],
   ) + $element_commons;
   $element['hour'] = array(
     '#type' => 'select',
     '#title' => t('Hour display'),
     '#options' => array_merge($options, $options_n2d),
-    '#default_value' => isset($settings['hour']) ? $settings['hour'] : '2-digit',
+    '#default_value' => $settings['hour'],
   ) + $element_commons;
   $element['minute'] = array(
     '#type' => 'select',
     '#title' => t('Minute display'),
     '#options' => array_merge($options, $options_n2d),
-    '#default_value' => isset($settings['minute']) ? $settings['minute'] : '2-digit',
+    '#default_value' => $settings['minute'],
   ) + $element_commons;
   $element['second'] = array(
     '#type' => 'select',
     '#title' => t('Seconds display'),
     '#options' => array_merge($options, $options_n2d),
-    '#default_value' => isset($settings['second']) ? $settings['second'] : 'hidden',
+    '#default_value' => $settings['second'],
   ) + $element_commons;
   $element['timezonename'] = array(
     '#type' => 'select',
     '#title' => t('Timezone name display'),
     '#options' => array_merge($options, $options_sl),
-    '#default_value' => isset($settings['timezonename']) ? $settings['timezonename'] : 'short',
+    '#default_value' => $settings['timezonename'],
   ) + $element_commons;
 
   $element['#attached']['css'] = array(