Clean up files in a folder based on regular expression and days as well as database table based on datetime stamp

PHP CleanUp Class

<?php

class cleanUp
{
	static public function folder(string $folder, string $fileRegEx, int $days, bool $recusive = true): int
	{
		$count = 0;

		if (!\FS::file_exists($folder)) {
			throw new \Exception('Folder "' . $folder . '" not found.');
		}

		$fileRegEx = ';' . str_replace(';', '\;', $fileRegEx) . ';';

		foreach (FS::glob(rtrim($folder, '/') . '/*', 0, $recusive) as $singleFile) {
			if (preg_match($fileRegEx, FS::basename($singleFile))) {
				if (time() - FS::filemtime($singleFile) >= (86400 * $days)) {
					FS::unlink($singleFile);
					$count++;
				}
			}
		}

		return $count;
	}

	static public function table(string $pdoDSN, string $username, string $password, string $tableColumn, int $days): int
	{
		$count = 0;

		try {
			$pdo = new PDO($pdoDSN, $username, $password);
		} catch (\PDOException $e) {
			throw new \PDOException($e->getMessage(), (int) $e->getCode());
		}

		$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

		list($table, $column) = explode('.', $tableColumn, 2);

		try {
			$del = $pdo->prepare('delete from `' . $table . '` where `' . $column . '` < NOW() - INTERVAL ? DAY');
			$del->execute([$days]);

			$count = $del->rowCount();
		} catch (\PDOException $e) {
			throw new \PDOException($e->getMessage(), (int) $e->getCode());
		}

		return $count;
	}
} /* end class */