function microdata_is_item in Microdata 7

Function to see if a field is an item or not.

@todo Try to remove the necessity for this logic.

1 call to microdata_is_item()

microdata_preprocess_field in ./microdata.module

Implements MODULE_preprocess_HOOK().

File

./microdata.module, line 1150

Code

function microdata_is_item($entity_type, $entity, $field_name, $delta) {
  $wrapper = entity_metadata_wrapper($entity_type, $entity);
  $value = $wrapper->{$field_name}
    ->value();
  if (!is_object($value)) {

    // If the value is an array, we should test the correct entity, but
    // compound fields would also have an array value, so test that the element
    // in the delta position is an object.
    if (is_array($value)) {
      if (isset($value[$delta]) && is_object($value[$delta])) {
        $value = $value[$delta];
      }
    }
    else {
      return FALSE;
    }
  }
  return isset($value->microdata['#attributes']['itemscope']);
}