Contao\Database\Installer::getFromDca PHP Method

    public function getFromDca()
    {
        $return = array();
        $processed = array();
        /** @var SplFileInfo[] $files */
        $files = \System::getContainer()->get('contao.resource_finder')->findIn('dca')->depth(0)->files()->name('*.php');
        foreach ($files as $file) {
            if (in_array($file->getBasename(), $processed)) {
                continue;
            }
            $processed[] = $file->getBasename();
            $strTable = $file->getBasename('.php');
            $objExtract = \DcaExtractor::getInstance($strTable);
            if ($objExtract->isDbTable()) {
                $return[$strTable] = $objExtract->getDbInstallerArray();
            }
        }
        ksort($return);
        // HOOK: allow third-party developers to modify the array (see #6425)
        if (isset($GLOBALS['TL_HOOKS']['sqlGetFromDca']) && is_array($GLOBALS['TL_HOOKS']['sqlGetFromDca'])) {
            foreach ($GLOBALS['TL_HOOKS']['sqlGetFromDca'] as $callback) {
                $this->import($callback[0]);
                $return = $this->{$callback[0]}->{$callback[1]}($return);
            }
        }
        return $return;
    }