class PhpSelection

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/PhpSelection.php \Drupal\Core\Entity\Plugin\EntityReferenceSelection\PhpSelection
  2. 10 core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/PhpSelection.php \Drupal\Core\Entity\Plugin\EntityReferenceSelection\PhpSelection
  3. 11.x core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/PhpSelection.php \Drupal\Core\Entity\Plugin\EntityReferenceSelection\PhpSelection

Defines an alternative to the default Entity Reference Selection plugin.

This selection plugin uses PHP for more advanced cases when the entity query cannot filter properly, for example when the target entity type has no 'label' key provided in the entity type plugin definition.

Hierarchy

Expanded class hierarchy of PhpSelection

See also

\Drupal\Core\Entity\Plugin\Derivative\DefaultSelectionDeriver

File

core/lib/Drupal/Core/Entity/Plugin/EntityReferenceSelection/PhpSelection.php, line 16

Namespace

Drupal\Core\Entity\Plugin\EntityReferenceSelection
View source
class PhpSelection extends DefaultSelection {
    
    /**
     * {@inheritdoc}
     */
    public function getReferenceableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0) {
        // No input, return everything from the entity query.
        if ($match === NULL || $match === '') {
            return parent::getReferenceableEntities($match, $match_operator, $limit);
        }
        // Start with the selection results returned by the entity query. Don't use
        // any limit because we have to apply a limit after filtering the items.
        $options = parent::getReferenceableEntities($match, $match_operator);
        // Always use a case-insensitive, escaped match. Entity labels returned by
        // SelectionInterface::getReferenceableEntities() are already escaped, so
        // the incoming $match needs to be escaped as well, making the comparison
        // possible.
        // @see \Drupal\Core\Entity\EntityReferenceSelection\SelectionInterface::getReferenceableEntities()
        if (is_string($match)) {
            $match = Html::escape(mb_strtolower($match));
        }
        elseif (is_array($match)) {
            array_walk($match, function (&$item) {
                $item = Html::escape(mb_strtolower($item));
            });
        }
        $filtered = [];
        $count = 0;
        // Filter target entities by the output of their label() method.
        foreach ($options as $bundle => &$items) {
            foreach ($items as $entity_id => $label) {
                if ($this->matchLabel($match, $match_operator, $label)) {
                    $filtered[$bundle][$entity_id] = $label;
                    $count++;
                    if ($limit && $count >= $limit) {
                        break 2;
                    }
                }
            }
        }
        return $filtered;
    }
    
    /**
     * {@inheritdoc}
     */
    public function countReferenceableEntities($match = NULL, $match_operator = 'CONTAINS') {
        $count = 0;
        foreach ($this->getReferenceableEntities($match, $match_operator) as &$items) {
            $count += count($items);
        }
        return $count;
    }
    
    /**
     * Matches an entity label to an input string.
     *
     * @param mixed $match
     *   The value to compare. This can be any valid entity query condition value.
     * @param string $match_operator
     *   The comparison operator.
     * @param string $label
     *   The entity label to match against.
     *
     * @return bool
     *   TRUE when matches, FALSE otherwise.
     */
    protected function matchLabel($match, $match_operator, $label) {
        // Always use a case-insensitive value.
        $label = mb_strtolower($label);
        switch ($match_operator) {
            case '=':
                return $label == $match;
            case '>':
                return $label > $match;
            case '<':
                return $label < $match;
            case '>=':
                return $label >= $match;
            case '<=':
                return $label <= $match;
            case '<>':
                return $label != $match;
            case 'IN':
                return array_search($label, $match) !== FALSE;
            case 'NOT IN':
                return array_search($label, $match) === FALSE;
            case 'STARTS_WITH':
                return strpos($label, $match) === 0;
            case 'CONTAINS':
                return strpos($label, $match) !== FALSE;
            case 'ENDS_WITH':
                return mb_substr($label, -mb_strlen($match)) === (string) $match;
            case 'IS NOT NULL':
                return TRUE;
            case 'IS NULL':
                return FALSE;
            default:
                // Invalid match operator.
                return FALSE;
        }
    }

}

Members

Title Sort descending Modifiers Object type Summary Overriden Title Overrides
DefaultSelection::$currentUser protected property The current user.
DefaultSelection::$entityFieldManager protected property The entity field manager service.
DefaultSelection::$entityRepository protected property The entity repository.
DefaultSelection::$entityTypeBundleInfo public property Entity type bundle info service.
DefaultSelection::$entityTypeManager protected property The entity type manager service.
DefaultSelection::$moduleHandler protected property The module handler service.
DefaultSelection::buildConfigurationForm public function Form constructor. Overrides SelectionPluginBase::buildConfigurationForm 3
DefaultSelection::buildEntityQuery protected function Builds an EntityQuery to get referenceable entities. 7
DefaultSelection::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 2
DefaultSelection::createNewEntity public function Creates a new entity object that can be used as a valid reference. Overrides SelectionWithAutocreateInterface::createNewEntity 6
DefaultSelection::defaultConfiguration public function Gets default configuration for this plugin. Overrides SelectionPluginBase::defaultConfiguration 3
DefaultSelection::elementValidateFilter public static function Form element validation handler; Filters the #value property of an element.
DefaultSelection::reAlterQuery protected function Helper method: Passes a query to the alteration system again.
DefaultSelection::validateConfigurationForm public function Form validation handler. Overrides SelectionPluginBase::validateConfigurationForm
DefaultSelection::validateReferenceableEntities public function Validates which existing entities can be referenced. Overrides SelectionInterface::validateReferenceableEntities
DefaultSelection::validateReferenceableNewEntities public function Validates which newly created entities can be referenced. Overrides SelectionWithAutocreateInterface::validateReferenceableNewEntities 6
DefaultSelection::__construct public function Constructs a new DefaultSelection object. Overrides SelectionPluginBase::__construct 1
PhpSelection::countReferenceableEntities public function Counts entities that are referenceable. Overrides DefaultSelection::countReferenceableEntities
PhpSelection::getReferenceableEntities public function Gets the list of referenceable entities. Overrides DefaultSelection::getReferenceableEntities
PhpSelection::matchLabel protected function Matches an entity label to an input string.
SelectionPluginBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
SelectionPluginBase::entityQueryAlter public function Allows the selection to alter the SelectQuery generated by EntityFieldQuery. Overrides SelectionInterface::entityQueryAlter 2
SelectionPluginBase::getConfiguration public function Gets this plugin&#039;s configuration. Overrides ConfigurableInterface::getConfiguration
SelectionPluginBase::setConfiguration public function Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
SelectionPluginBase::submitConfigurationForm public function Form submission handler. Overrides PluginFormInterface::submitConfigurationForm

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