# betterdocs/3.4.2/includes/Dependencies/DI/Definition/ArrayDefinitionExtension.php

BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ & Chatbot, version 3.4.2. 43 lines.

- Page: https://pluginprobe.com/plugins/betterdocs/3.4.2/code/includes/Dependencies/DI/Definition/ArrayDefinitionExtension.php
- Raw: https://pluginprobe.com/plugins/betterdocs/3.4.2/raw/includes/Dependencies/DI/Definition/ArrayDefinitionExtension.php
- Modified: 2023-08-14T08:41:14+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/betterdocs/3.4.2/code/includes/Dependencies/DI/Definition/ArrayDefinitionExtension.php#L10-L20`.

```php
<?php

declare(strict_types=1);

namespace WPDeveloper\BetterDocs\Dependencies\DI\Definition;

use WPDeveloper\BetterDocs\Dependencies\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;
    }
}

```