public function FieldConfigBase::getConstraint
public FieldConfigBase::getConstraint($constraint_name)
Returns a validation constraint.
See \Drupal\Core\TypedData\DataDefinitionInterface::getConstraints() for details.
Parameters
string $constraint_name: The name of the constraint, i.e. its plugin id.
Return value
array A validation constraint definition which can be used for instantiating a \Symfony\Component\Validator\Constraint object.
Overrides DataDefinitionInterface::getConstraint
See also
\Symfony\Component\Validator\Constraint
File
- core/lib/Drupal/Core/Field/FieldConfigBase.php, line 506
Class
- FieldConfigBase
- Base class for configurable field definitions.
Namespace
Drupal\Core\FieldCode
public function getConstraint($constraint_name) { $constraints = $this->getConstraints(); return isset($constraints[$constraint_name]) ? $constraints[$constraint_name] : NULL; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Field!FieldConfigBase.php/function/FieldConfigBase::getConstraint/8.1.x