function drupal_unpack in Drupal 7

Same name and namespace in other branches

1. 4 includes/bootstrap.inc \drupal_unpack()
2. 5 includes/bootstrap.inc \drupal_unpack()
3. 6 includes/bootstrap.inc \drupal_unpack()

Unserializes and appends elements from a serialized string.

Parameters

$obj: The object to which the elements are appended.

$field: The attribute of $obj whose value should be unserialized.

File

includes/bootstrap.inc, line 1660

Functions that need to be loaded on every Drupal request.

Code

function drupal_unpack($obj, $field = 'data') {
  if ($obj->{$field} && ($data = unserialize($obj->{$field}))) {
    foreach ($data as $key => $value) {
      if (!empty($key) && !isset($obj->{$key})) {
        $obj->{$key} = $value;
      }
    }
  }
  return $obj;
}