# betterdocs/3.8.9/includes/Dependencies/Invoker/ParameterResolver/Container/ParameterNameContainerResolver.php

BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ & Chatbot, version 3.8.9. 48 lines.

- Page: https://pluginprobe.com/plugins/betterdocs/3.8.9/code/includes/Dependencies/Invoker/ParameterResolver/Container/ParameterNameContainerResolver.php
- Raw: https://pluginprobe.com/plugins/betterdocs/3.8.9/raw/includes/Dependencies/Invoker/ParameterResolver/Container/ParameterNameContainerResolver.php
- Modified: 2023-08-14T08:41:14+00:00

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```php
<?php declare(strict_types=1);

namespace WPDeveloper\BetterDocs\Dependencies\Invoker\ParameterResolver\Container;

use WPDeveloper\BetterDocs\Dependencies\Invoker\ParameterResolver\ParameterResolver;
use WPDeveloper\BetterDocs\Dependencies\Psr\Container\ContainerInterface;
use ReflectionFunctionAbstract;

/**
 * Inject entries from a DI container using the parameter names.
 */
class ParameterNameContainerResolver implements ParameterResolver
{
    /** @var ContainerInterface */
    private $container;

    /**
     * @param ContainerInterface $container The container to get entries from.
     */
    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }

    public function getParameters(
        ReflectionFunctionAbstract $reflection,
        array $providedParameters,
        array $resolvedParameters
    ): array {
        $parameters = $reflection->getParameters();

        // Skip parameters already resolved
        if (! empty($resolvedParameters)) {
            $parameters = array_diff_key($parameters, $resolvedParameters);
        }

        foreach ($parameters as $index => $parameter) {
            $name = $parameter->name;

            if ($name && $this->container->has($name)) {
                $resolvedParameters[$index] = $this->container->get($name);
            }
        }

        return $resolvedParameters;
    }
}

```