function faqfield_update_7130 in FAQ Field 7

Update default values of existing faqfield instances (Issue #1526448).

File

./faqfield.install, line 119

Install, update, and uninstall functions of faqfield module.

Code

function faqfield_update_7130() {

  // Get all faqfields.
  $faqfields = field_read_fields(array(
    'type' => 'faqfield',
  ));
  foreach ($faqfields as $faqfield) {

    // Get all instances of this field.
    $instances = field_read_instances(array(
      'field_name' => $faqfield['field_name'],
    ));
    foreach ($instances as $instance) {

      // If a default value is set we move it to it's new place.
      if (isset($instance['default_value'])) {
        $default_value = $instance['default_value'][0];

        // If a formatable answer widget is used we have to extract
        // the default values (value and format) out of it.
        if (is_array($default_value['answer'])) {
          $default_value['answer_format'] = $default_value['answer']['format'];
          $default_value['answer'] = $default_value['answer']['value'];
        }

        // The S will make the difference between core's default
        // value implementation and our custom one.
        $instance['default_values'] = $default_value;
        $instance['default_value'] = NULL;

        // Save the changes to the field instance.
        field_update_instance($instance);
      }
    }
  }
}