TYPO3 PIDinRootline Custom Condition

CustomCondition.php

####################################################################
# Configuration/ExpressionLanguage.php
####################################################################
<?php
return [
    'typoscript' => [
        \MEDIENGARAGE\CustomTheme\Condition\CustomTypoScriptConditionProvider::class,
    ]
];

####################################################################
# Classes/Condition/CustomTypoScriptConditionProvider.php
####################################################################
<?php
namespace MEDIENGARAGE\CustomTheme\Condition;

use TYPO3\CMS\Core\ExpressionLanguage\AbstractProvider;

class CustomTypoScriptConditionProvider extends AbstractProvider
{
    public function __construct()
    {
        $this->expressionLanguageProviders = [
            CustomConditionFunctionsProvider::class,
        ];
    }
}

####################################################################
# Classes/Condition/CustomConditionFunctionsProvider.php
####################################################################
<?php
namespace MEDIENGARAGE\CustomTheme\Condition;

use Symfony\Component\ExpressionLanguage\ExpressionFunction;
use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;

class CustomConditionFunctionsProvider implements ExpressionFunctionProviderInterface
{
    public function getFunctions()
    {
        return [
            $this->isPIDinRootline(),
        ];
    }

    /**
     * Check if the current page id is inside the rootline uid list
     * Example
     *  [PIDinRootlineService([13,37])]
     *
     * @return ExpressionFunction
     */
    protected function isPIDinRootline(): ExpressionFunction
    {
        return new ExpressionFunction('PIDinRootlineService', function () {
            // Not implemented, we only use the evaluator
        }, function (array $arguments, array $uidList) {
            $rootLineIds = $arguments['tree']->rootLineIds;
            if($rootLineIds) {
                // Not sure if array_intersect can be faster
                foreach ($rootLineIds as $uid) {
                    if(in_array($uid,$uidList)) {
                        return true;
                    }
                }
            }
        });
    }
}