WSC 3.0 WSC 5.2 Dateien löschen

<?php
use wcf\data\package\Package;
use wcf\system\WCF;


/**
 * @author     Marcel Beckers
 * @license    Beerware  <https://de.wikipedia.org/wiki/Beerware>
 * @package    de.yourecom.guestbook
 */


$files = [
    'data\product\LikeableProduct.class.php',
    'data\product\LikeableProductProvider.class.php'
];


$templates = [];


$acpTemplates = [];


// Ab hier nichts mehr ändern
$package = $this->installation->getPackage();
$application = Package::getAbbreviation($package);
$applicationDir = constant(strtoupper($application).'_DIR');


// delete files
foreach($files as $file) {
    if (file_exists($applicationDir.$file)) {
        unlink($applicationDir.$file);
    }

    $sql = "DELETE FROM    wcf".WCF_N."_package_installation_file_log
        WHERE    filename = ?
            AND application = ?
            AND packageID = ?";
    $statement = WCF::getDB()->prepareStatement($sql);
    $statement->execute([
        $file,
        $application,
        $package->packageID
    ]);
}
// delete templates
foreach($templates as $template) {
    if (file_exists($applicationDir.$template)) {
        unlink($applicationDir.$template);
    }

    $sql = "DELETE FROM    wcf".WCF_N."_template
        WHERE    templateName = ?
            AND application = ?
            AND packageID = ?";
    $statement = WCF::getDB()->prepareStatement($sql);
    $statement->execute([
        substr(basename($template), 0, -4),
        $application,
        $package->packageID
    ]);
}


// delete acp templates
foreach($acpTemplates as $acpTemplate) {
    if (file_exists($applicationDir.'acp/template'.$acpTemplate)) {
        unlink($applicationDir.'acp/template'.$acpTemplate);
    }

    $sql = "DELETE FROM    wcf".WCF_N."_acp_template
        WHERE    templateName = ?
            AND application = ?
            AND packageID = ?";
    $statement = WCF::getDB()->prepareStatement($sql);
    $statement->execute([
        substr(basename($acpTemplate), 0, -4),
        $application,
        $package->packageID
    ]);
}