1 field.api.php hook_field_is_empty($item, $field)

Define what constitutes an empty item for a field type.


$item: An item that may or may not be empty.

$field: The field to which $item belongs.

Return value

TRUE if $field's type considers $item not to contain any data;: FALSE otherwise.

Related topics


core/modules/field/field.api.php, line 677
Hooks provided by the Field module.


function hook_field_is_empty($item, $field) {
  if (empty($item['value']) && (string) $item['value'] !== '0') {
    return TRUE;
  return FALSE;