public function FieldStorageConfigStorage::loadByProperties in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/field/src/FieldStorageConfigStorage.php \Drupal\field\FieldStorageConfigStorage::loadByProperties()

Load entities by their property values.

Parameters

array $values: An associative array where the keys are the property names and the values are the values those properties must have.

Return value

\Drupal\Core\Entity\EntityInterface[] An array of entity objects indexed by their ids.

Overrides EntityStorageBase::loadByProperties

File

core/modules/field/src/FieldStorageConfigStorage.php, line 102

Contains \Drupal\field\FieldStorageConfigStorage.

Class

FieldStorageConfigStorage

Controller class for "field storage" configuration entities.

Namespace

Drupal\field

Code

public function loadByProperties(array $conditions = array()) {

  // Include deleted fields if specified in the $conditions parameters.
  $include_deleted = isset($conditions['include_deleted']) ? $conditions['include_deleted'] : FALSE;
  unset($conditions['include_deleted']);

  /** @var \Drupal\field\FieldStorageConfigInterface[] $storages */
  $storages = array();

  // Get field storages living in configuration. If we are explicitly looking
  // for deleted storages only, this can be skipped, because they will be
  // retrieved from state below.
  if (empty($conditions['deleted'])) {
    if (isset($conditions['entity_type']) && isset($conditions['field_name'])) {

      // Optimize for the most frequent case where we do have a specific ID.
      $id = $conditions['entity_type'] . $conditions['field_name'];
      $storages = $this
        ->loadMultiple(array(
        $id,
      ));
    }
    else {

      // No specific ID, we need to examine all existing storages.
      $storages = $this
        ->loadMultiple();
    }
  }

  // Merge deleted field storages (living in state) if needed.
  if ($include_deleted || !empty($conditions['deleted'])) {
    $deleted_storages = $this->state
      ->get('field.storage.deleted') ?: array();
    foreach ($deleted_storages as $id => $config) {
      $storages[$id] = $this
        ->create($config);
    }
  }

  // Collect matching fields.
  $matches = array();
  foreach ($storages as $field) {
    foreach ($conditions as $key => $value) {

      // Extract the actual value against which the condition is checked.
      $checked_value = $field
        ->get($key);

      // Skip to the next field as soon as one condition does not match.
      if ($checked_value != $value) {
        continue 2;
      }
    }

    // When returning deleted fields, key the results by UUID since they can
    // include several fields with the same ID.
    $key = $include_deleted ? $field
      ->uuid() : $field
      ->id();
    $matches[$key] = $field;
  }
  return $matches;
}