public function BaseFieldDefinition::addPropertyConstraints

Adds constraints for a given field item property.

Adds a constraint to a property of a base field item. e.g.

// Limit the field item's value property to the range 0 through 10.
// e.g. $node->size->value.
$field
  ->addPropertyConstraints('value', [
  'Range' => [
    'min' => 0,
    'max' => 10,
  ],
]);

If you want to add a validation constraint that applies to the \Drupal\Core\Field\FieldItemList, use BaseFieldDefinition::addConstraint() instead.

Note: passing a new set of options for an existing property constraint will overwrite with the new options.

Parameters

string $name: The name of the property to set constraints for.

array $constraints: The constraints to set.

Return value

static The object itself for chaining.

See also

\Drupal\Core\Field\BaseFieldDefinition::addConstraint()

File

core/lib/Drupal/Core/Field/BaseFieldDefinition.php, line 345

Class

BaseFieldDefinition

A class for defining entity fields.

Namespace

Code

public function addPropertyConstraints($name, array $constraints) {
  $item_constraints = $this
    ->getItemDefinition()
    ->getConstraint('ComplexData') ?: [];
  if (isset($item_constraints[$name])) {

    // Add the new property constraints, overwriting as required.
    $item_constraints[$name] = $constraints + $item_constraints[$name];
  }
  else {
    $item_constraints[$name] = $constraints;
  }
  $this
    ->getItemDefinition()
    ->addConstraint('ComplexData', $item_constraints);
  return $this;
}