9.5/_provider_configuration_loader_8php_source.html

<?php

declare(strict_types = 1);


namespace ‪TYPO3\CMS\Core\ExpressionLanguage;


use ‪TYPO3\CMS\Core\Cache\CacheManager;

use TYPO3\CMS\Core\Package\PackageManager;

use ‪TYPO3\CMS\Core\Service\DependencyOrderingService;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪ProviderConfigurationLoader

{

    protected ‪$cacheIdentifier = 'expressionLanguageProviders';


    public function ‪getExpressionLanguageProviders(): array

    {

        $packageManager = GeneralUtility::makeInstance(

            PackageManager::class,

            GeneralUtility::makeInstance(DependencyOrderingService::class)

        );

        $cache = GeneralUtility::makeInstance(CacheManager::class)->getCache('cache_core');


        if ($cache->has($this->cacheIdentifier)) {

            return $cache->require($this->cacheIdentifier);

        }


        $packages = $packageManager->getActivePackages();

        $providers = [];

        foreach ($packages as $package) {

            $packageConfiguration = $package->getPackagePath() . 'Configuration/ExpressionLanguage.php';

            if (file_exists($packageConfiguration)) {

                $providersInPackage = require $packageConfiguration;

                if (is_array($providersInPackage)) {

                    $providers[] = $providersInPackage;

                }

            }

        }

        $providers = count($providers) > 0 ? array_merge_recursive(...$providers) : $providers;

        $cache->set($this->cacheIdentifier, 'return ' . var_export($providers, true) . ';');

        return $providers ?? [];

    }

}