function _cer_find_referrers in Corresponding Entity References 7.2

Find all fields that can reference the given entity type and bundle.

Parameters

$entity_type: The entity type that can be referenced.

$bundle: The bundle that can be referenced.

Return value

array

1 call to _cer_find_referrers()

_cer_find_channels in ./cer.admin.inc

The purpose of this function is to answer this question: I am a field instance. Which other fields reference the entity that owns me? And of those instances, which ones can I reference? The answer is returned as an array of CER keys: "entity1…

File

./cer.admin.inc, line 200

Administrative functionality, separated for performance purposes.

Code

function _cer_find_referrers($entity_type, $bundle) {
  $referrers = array();
  foreach (_cer_get_fields() as $field) {
    if ($field['settings']['target_type'] == $entity_type) {
      $target_bundles = _cer_get_target_bundles($field);
      if (empty($target_bundles) || in_array($bundle, $target_bundles)) {
        $referrers[] = $field;
      }
    }
  }
  return $referrers;
}