# Tips & Tricks: Input Filtering, Part 2


By Ben Ramsey

Published on September 11, 2005


[![php\|architect August 2005](https://files.benramsey.com/ws/blog/2005-09-11-tips-tricks-input-filtering-part-2/phparch0805.png){: .left }][phpa]

[Tips & Tricks: Input Filtering, Part 2: Strings and Numbers][phpa] \
by [Ben Ramsey](http://benramsey.com/) \
[_php\|architect_](http://www.phparch.com/) \
August 2005

From the introduction:
{: style="clear: both" }

> You've heard a lot of buzz about security in PHP, lately, but you're still confused about this 'input filtering' thing? Ben Ramsey lends a helping hand in part 2 of his mini-series on this technique.


[phpa]: http://web.archive.org/web/20051212084653/http://www.phparch.com/issue.php?mid=63