<?php
declare(strict_types=1);
namespace DI\Definition;
use DI\Definition\Exception\InvalidDefinition;
/**
* Extends an array definition by adding new elements into it.
*
* @since 5.0
* @author Matthieu Napoli <matthieu@mnapoli.fr>
*/
class ArrayDefinitionExtension extends ArrayDefinition implements ExtendsPreviousDefinition
{
/**
* @var ArrayDefinition
*/
private $subDefinition;
public function getValues() : array
{
if (! $this->subDefinition) {
return parent::getValues();
}
return array_merge($this->subDefinition->getValues(), parent::getValues());
}
public function setExtendedDefinition(Definition $definition)
{
if (! $definition instanceof ArrayDefinition) {
throw new InvalidDefinition(sprintf(
'Definition %s tries to add array entries but the previous definition is not an array',
$this->getName()
));
}
$this->subDefinition = $definition;
}
}