how to trim input?

[eluser]cideveloper[/eluser]
[quote author="Gerep" date="1296578728"]umefarooq, nuclearmaker doesn't want to use form_validation.

Code:

trim($text);

You haven't searched for on Google right? A simple "trim php" solved the problem. =)[/quote]

Gerep, nuclearmaker already knows about the native trim function. He was asking if CI has a solution for this.

so i must use native trim function or ci have a slution for that?