protected function ViewsResultTreeValues::normalizeKey in Views tree 8.2

Normalize a value out of the record to an int.

If the field in question comes from Field API, then it will be an array, not an int. We need to detect that and extract the int value we want from it. Note that because Field API structures are so free-form, we have to specifically support each field type. For now we support entityreference (target_id), nodereference (nid), userreference (uid), organic groups (gid), and taxonomyreference (tid).

Parameters

mixed $value: The value to normalize. It should be either an int or an array. If an int, it is returned unaltered. If it's an array, we extract the int we want and return that.

\Drupal\views\Plugin\views\field\FieldPluginBase $field: Metadata about the field we are extracting information from.

Return value

int The value of this key, normalized to an int.

1 call to ViewsResultTreeValues::normalizeKey()

ViewsResultTreeValues::setTreeValues in src/ViewsResultTreeValues.php

Sets tree values given a view and result set.

File

src/ViewsResultTreeValues.php, line 127

Class

ViewsResultTreeValues

Methods to get result tree based on views results.

Namespace

Drupal\views_tree

Code

protected function normalizeKey($value, FieldPluginBase $field) {
  if (is_array($value) && count($value)) {
    return reset($value);
  }
  else {
    return $value ? $value : 0;
  }
}