function commerce_file_field_entity_metadata_validate_item in Commerce File 7

Callback for validating commerce_file field $items.

• Requires 'fid' to be a valid file
• Allows 'data' to be optional

See also

entity_metadata_field_file_validate_item()

1 string reference to 'commerce_file_field_entity_metadata_validate_item'

commerce_file_field_property_info_callback in includes/commerce_file.field.inc

Callback to alter the property info of price fields.

File

includes/commerce_file.field.inc, line 666

Implement an commerce_file field, based on the file module's file field.

Code

function commerce_file_field_entity_metadata_validate_item($items, $context) {

  // Allow NULL values.
  if (!isset($items)) {
    return TRUE;
  }

  // Stream-line $items for multiple vs non-multiple fields.
  $items = !entity_property_list_extract_type($context['type']) ? array(
    $items,
  ) : (array) $items;
  foreach ($items as $item) {

    // File-field items require a valid file.
    if (!isset($item['fid']) || !file_load($item['fid'])) {
      return FALSE;
    }
  }
  return TRUE;
}