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/Drupal 8

public function BaseFieldDefinition::isMultiple

public BaseFieldDefinition::isMultiple()

Returns whether the field can contain multiple items.

Return value

bool TRUE if the field can contain multiple items, FALSE otherwise.

Overrides FieldStorageDefinitionInterface::isMultiple

File

core/lib/Drupal/Core/Field/BaseFieldDefinition.php, line 281

Class

BaseFieldDefinition
A class for defining entity fields.

Namespace

Drupal\Core\Field

Code

public function isMultiple() {
  $cardinality = $this->getCardinality();
  return ($cardinality == static::CARDINALITY_UNLIMITED) || ($cardinality > 1);
}

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Field!BaseFieldDefinition.php/function/BaseFieldDefinition::isMultiple/8.1.x