public static ListDataDefinitionInterface::createFromItemType($item_type)
Creates a new list data definition for items of the given data type.
This method is typically used by \Drupal\Core\TypedData\TypedDataManager::createListDataDefinition() to build a definition object for an arbitrary item type. When the definition class is known, it is recommended to directly use the static create() method on that class instead; e.g.:
$list_definition = \Drupal\Core\TypedData\ListDataDefinition::create('string');
string $item_type: The item type, for which a list data definition should be created.
static
\InvalidArgumentException If an unsupported data type gets passed to the class; e.g., 'string' to a definition class handling lists of 'field_item:* data types.
public static function createFromItemType($item_type);
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!TypedData!ListDataDefinitionInterface.php/function/ListDataDefinitionInterface::createFromItemType/8.1.x