ProviderConfigurationLoader.php

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<?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 ?? [];
    }
}