app/bundles/CoreBundle/Helper/BundleHelper.php

<?php

namespace Mautic\CoreBundle\Helper;

class BundleHelper
{
    /**
     * @var mixed[]
     */
    private array $allBundles;

    /**
     * @param mixed[] $coreBundles
     * @param mixed[] $pluginBundles
     */
    public function __construct(
        private array $coreBundles,
        private array $pluginBundles
    ) {
        $this->allBundles    = array_merge($coreBundles, $pluginBundles);
    }

    /**
     * @param bool $includePlugins
     *
     * @return mixed[]
     */
    public function getMauticBundles($includePlugins = true): array
    {
        return $includePlugins ? $this->allBundles : $this->coreBundles;
    }

    /**
     * Get's an array of details for enabled Mautic plugins.
     *
     * @return array
     */
    public function getPluginBundles()
    {
        return $this->pluginBundles;
    }

    /**
     * Gets an array of a specific bundle's config settings.
     *
     * @param string $configKey
     * @param bool   $includePlugins
     *
     * @return mixed
     *
     * @throws \Exception
     */
    public function getBundleConfig($bundleName, $configKey = '', $includePlugins = false)
    {
        // get the configs
        $configFiles = $this->getMauticBundles($includePlugins);

        // if no bundle name specified we throw
        if (!$bundleName) {
            throw new \Exception('Bundle name not supplied');
        }

        // check for the bundle config requested actually exists
        if (!array_key_exists($bundleName, $configFiles)) {
            throw new \Exception('Bundle '.$bundleName.' does not exist');
        }

        // get the specific bundle's configurations
        $bundleConfig = $configFiles[$bundleName]['config'];

        // no config key supplied so just return the bundle's config
        if (!$configKey) {
            return $bundleConfig;
        }

        // check that the key exists
        if (!array_key_exists($configKey, $bundleConfig)) {
            throw new \Exception('Key '.$configKey.' does not exist in bundle '.$bundleName);
        }

        // we didn't throw so we can send the key value
        return $bundleConfig[$configKey];
    }
}