/** * {@inheritdoc} */ public function getMatchingContexts(array $contexts, ContextDefinitionInterface $definition) { return array_filter($contexts, function (ContextInterface $context) use($definition) { $context_definition = $context->getContextDefinition(); // If the data types do not match, this context is invalid unless the // expected data type is any, which means all data types are supported. if ($definition->getDataType() != 'any' && $definition->getDataType() != $context_definition->getDataType()) { return FALSE; } // If any constraint does not match, this context is invalid. foreach ($definition->getConstraints() as $constraint_name => $constraint) { if ($context_definition->getConstraint($constraint_name) != $constraint) { return FALSE; } } // All contexts with matching data type and contexts are valid. return TRUE; }); }
/** * {@inheritdoc} */ public function getConstraints() { return $this->contextDefinition->getConstraints(); }