public function FieldItemBase::__unset in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Field/FieldItemBase.php \Drupal\Core\Field\FieldItemBase::__unset()
2. 10 core/lib/Drupal/Core/Field/FieldItemBase.php \Drupal\Core\Field\FieldItemBase::__unset()

Magic method: Unsets a property.

Parameters

string $property_name: The name of the property to get; e.g., 'title' or 'name'.

Overrides FieldItemInterface::__unset

File

core/lib/Drupal/Core/Field/FieldItemBase.php, line 172

Class

FieldItemBase

An entity field item.

Namespace

Drupal\Core\Field

Code

public function __unset($name) {
  if ($this->definition
    ->getPropertyDefinition($name)) {
    $this
      ->set($name, NULL);
  }
  else {

    // Explicitly unset the property in $this->values if a non-defined
    // property is unset, such that its key is removed from $this->values.
    unset($this->values[$name]);
  }
}