function ContextDefinition::getConstraint

Same name and namespace in other branches
  1. 9 core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php \Drupal\Core\Plugin\Context\ContextDefinition::getConstraint()
  2. 10 core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php \Drupal\Core\Plugin\Context\ContextDefinition::getConstraint()
  3. 11.x core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php \Drupal\Core\Plugin\Context\ContextDefinition::getConstraint()

Overrides ContextDefinitionInterface::getConstraint

1 call to ContextDefinition::getConstraint()
EntityContextDefinition::getConstraintObjects in core/lib/Drupal/Core/Plugin/Context/EntityContextDefinition.php
Extracts an array of constraints for a context definition object.

File

core/lib/Drupal/Core/Plugin/Context/ContextDefinition.php, line 257

Class

ContextDefinition
Defines a class for context definitions.

Namespace

Drupal\Core\Plugin\Context

Code

public function getConstraint($constraint_name) {
    // If the backwards compatibility layer is present, delegate to that.
    $this->initializeEntityContextDefinition();
    if ($this->entityContextDefinition) {
        return $this->entityContextDefinition
            ->getConstraint($constraint_name);
    }
    $constraints = $this->getConstraints();
    return isset($constraints[$constraint_name]) ? $constraints[$constraint_name] : NULL;
}

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