public ConstraintManager::getDefinitionsByType($type)
Returns a list of constraints that support the given type.
string $type: The type to filter on.
array An array of constraint plugin definitions supporting the given type, keyed by constraint name (plugin ID).
public function getDefinitionsByType($type) { $definitions = array(); foreach ($this->getDefinitions() as $plugin_id => $definition) { if ($definition['type'] === FALSE || in_array($type, $definition['type'])) { $definitions[$plugin_id] = $definition; } } return $definitions; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Validation!ConstraintManager.php/function/ConstraintManager::getDefinitionsByType/8.1.x