protected FieldItemList::delegateMethod($method)
Calls a method on each FieldItem.
Any argument passed will be forwarded to the invoked method.
Parameters
string $method: The name of the method to be invoked.
Return value
array An array of results keyed by delta.
File
- core/lib/Drupal/Core/Field/FieldItemList.php, line 238
Class
- FieldItemList
- Represents an entity field; that is, a list of field item objects.
Namespace
Drupal\Core\Field
Code
protected function delegateMethod($method) {
$result = [];
$args = array_slice(func_get_args(), 1);
foreach ($this->list as $delta => $item) {
// call_user_func_array() is way slower than a direct call so we avoid
// using it if have no parameters.
$result[$delta] = $args ? call_user_func_array([$item, $method], $args) : $item->{$method}();
}
return $result;
}
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