public function EntityListWrapper::get in Entity API 7

Get the wrapper for a single item.

Return value

EntityMetadataWrapper An instance of EntityMetadataWrapper.

1 call to EntityListWrapper::get()

EntityListWrapper::offsetGet in includes/entity.wrapper.inc

Implements the ArrayAccess interface.

File

includes/entity.wrapper.inc, line 1033

Provides wrappers allowing easy usage of the entity metadata.

Class

EntityListWrapper

Wraps a list of values.

Code

public function get($delta) {

  // Look it up in the cache if possible.
  if (!array_key_exists($delta, $this->cache)) {
    if (!isset($delta)) {

      // The [] operator has been used so point at a new entry.
      $values = parent::value();
      $delta = $values ? max(array_keys($values)) + 1 : 0;
    }
    if (is_numeric($delta)) {
      $info = array(
        'parent' => $this,
        'name' => $delta,
      ) + $this->info;
      $this->cache[$delta] = entity_metadata_wrapper($this->itemType, NULL, $info);
    }
    else {
      throw new EntityMetadataWrapperException('There can be only numerical keyed items in a list.');
    }
  }
  return $this->cache[$delta];
}