[PHP] Getallen afronden

Eleky, met jou manier krijg ik een negatief getal bij $btw...

Oja:

[COLOR= #0000BB]<?php
$ex_btw[/COLOR] [COLOR= #007700]=[/COLOR] [COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]"ex_btw"[/COLOR][COLOR= #007700]];[/COLOR]
[COLOR= #0000BB]$totaal[/COLOR] [COLOR= #007700]=[/COLOR] [URL="http://www.php.net/round"]round[/URL][COLOR= #007700]([/COLOR][COLOR= #0000BB]$ex_btw[/COLOR] / [COLOR= #0000BB]100[/COLOR] [COLOR= #007700]*[/COLOR] [COLOR= #0000BB]119[/COLOR][COLOR= #007700],[/COLOR] [COLOR= #0000BB]2[/COLOR][COLOR= #007700]);[/COLOR]
[COLOR= #0000BB]$btw[/COLOR] [COLOR= #007700]=[/COLOR] [URL="http://www.php.net/number_format"]number_format[/URL][COLOR= #007700]([/COLOR][COLOR= #0000BB]$totaal[/COLOR] [COLOR= #007700]-[/COLOR] [COLOR= #0000BB]$ex_btw[/COLOR][COLOR= #007700],[/COLOR] [COLOR= #0000BB]2[/COLOR][COLOR= #007700],[/COLOR] [COLOR= #DD0000],[/COLOR][COLOR= #007700],[/COLOR] [COLOR= #DD0000].[/COLOR][COLOR= #007700]);[/COLOR]


[URL="http://www.php.net/echo"]echo[/URL] [COLOR= #DD0000]"Het bedrag inclusief btw  = &euro;"[/COLOR] [COLOR= #007700].[/COLOR] [URL="http://www.php.net/number_format"]number_format[/URL][COLOR= #007700]([/COLOR][COLOR= #0000BB]$totaal[/COLOR][COLOR= #007700],[/COLOR] [COLOR= #0000BB]2[/COLOR][COLOR= #007700],[/COLOR] [COLOR= #DD0000],[/COLOR][COLOR= #007700],[/COLOR] [COLOR= #DD0000].[/COLOR][COLOR= #007700]) .[/COLOR] [COLOR= #DD0000]"<br /><br />"[/COLOR][COLOR= #007700];[/COLOR]

[URL="http://www.php.net/echo"]echo[/URL] [COLOR= #DD0000]"U betaalt dus &euro;"[/COLOR] [COLOR= #007700].[/COLOR] [COLOR= #0000BB]$btw[/COLOR] [COLOR= #007700].[/COLOR] [COLOR= #DD0000]" aan btw."[/COLOR][COLOR= #007700];[/COLOR]
?>

Thanks Eleky, t werkt!