function _exif_get_field_widget_retrieve_image_field_default_value in Exif 7

calculate default value for settings form (more precisely image_field setting) of widget.

Parameters

$widget:

$image_fields:

1 call to _exif_get_field_widget_retrieve_image_field_default_value()

exif_field_widget_settings_form in ./exif.module

Implementation of hook_widget_settings().

File

./exif.module, line 583

Code

function _exif_get_field_widget_retrieve_image_field_default_value($widget, $image_fields) {
  $result = $widget['settings']['image_field'];
  if (empty($result)) {
    $temp = array_keys($image_fields);
    if (!empty($temp) && is_array($temp)) {
      $result = $temp[0];
    }
  }
  return $result;
}