[TYPO3-core] RFC: #9575: use native filter_functions for validate and sanitize

[Martin Kutschker]

Steffen Kamper schrieb:
> this is a SVN patch request.
> 
> Type: Feature (Enhancement)
> 
> Bugtracker references:
> http://bugs.typo3.org/view.php?id=9575
> 
> Branches: trunk
> 
> Since PHP 5.2 the filter_functions are built-in.
> 
> This gives the opportunity to use this native functions as they are more
> easy and faster.
> I changed / added these to t3lib_div
> 
> changed functions:
> validIP / validIPv4 / validIPv6 / validEmail

Ok, but note that the email filter accepts also IP addresses for domains
and quotes for the user part (eg "foo bar"@127.0.0.1), which are
perfectly valid, but were not supported by the function for now.

> new functions:
> validUrl / cleanUrl

They simply are wrappers for the PHP thing. I don't think we need to
blow up t3lib_div further.

Masi