function nodeaccess_userreference_reduce_variable in Node access user reference 7.3

Reduce settings array to the bare minimum.

Parameters

$variable: The settings array.

Return value

The minimum array or FALSE if there is no array left to save.

2 calls to nodeaccess_userreference_reduce_variable()

nodeaccess_userreference_field_update_instance in ./nodeaccess_userreference.module

Implements hook_field_update_instance().

nodeaccess_userreference_update_7306 in ./nodeaccess_userreference.install

Reduce settings to essentials.

File

./nodeaccess_userreference.module, line 540

The Node access user reference module.

Code

function nodeaccess_userreference_reduce_variable($variable) {

  // Filter the variable.
  $variable = nodeaccess_userreference_recursive_filter($variable);

  // Create a test array without the volatile keys and filter again.
  $test = $variable;
  unset($test['referenced_published']);
  unset($test['author_published']);
  unset($test['all_published']);
  unset($test['unused']);
  unset($test['priority']);
  unset($test['field_type']);
  $test = nodeaccess_userreference_recursive_filter($test);

  // Remove major areas of the variable if they are empty in the test array.
  foreach ($variable as $key => $value) {
    if (is_array($value) && empty($test[$key])) {
      unset($variable[$key]);
    }
  }

  // If all of these are empty, then the variable can be considered empty.
  if (empty($variable['referenced']) && empty($variable['create'])) {
    return FALSE;
  }
  return $variable;
}