"; echo number_format($zahl) . "
"; echo number_format($zahl, 3) . "
"; echo number_format($zahl, 3, ",", ".") . "

"; echo sprintf("%.3f", $zahl) . "
"; echo sprintf("%.3e", $zahl) . "
"; $tag = 7; echo sprintf("%d", $tag) . "
"; echo sprintf("%'.02d", $tag); ?>