An overview of PHP's Filt

1. PHP’s Filter Extension August 16, 2011 NWO-PUG 1 E-mail: chris@ctankersley.com Twitter: @dragonmantank Identi.ca: dragonmantank

2. Who Are You and Why Are You In My House? Chris Tankersley Doing PHP for 8 Years Lots of projects no one uses, and a few that some do TL;DR https://github.com/dragonmantank April 26, 2011 NWO-PUG 2

3. Some Background Enabled by default since 5.2.0 Provides both Validation and Sanitization Very easy to use to work with data Exposed via the filter_var() function April 26, 2011 NWO-PUG 3

4. Validation Makes sure that data meets specifications An e-mail address looks like an e-mail address Allows basic validation Boolean E-mail Float Int IP Regex URL April 26, 2011 NWO-PUG 4

5. Validating Data April 26, 2011 NWO-PUG 5

6. What Filters are Available? April 26, 2011 NWO-PUG 6

7. Sanitization Removes data that does not meet specifications Many more options with this April 26, 2011 NWO-PUG 7

8. Sanitizing Data April 26, 2011 NWO-PUG 8

9. What Sanitizers are Available? April 26, 2011 NWO-PUG 9

10. What Sanitizers are Available? April 26, 2011 NWO-PUG 10

11. Manual Filters April 26, 2011 NWO-PUG 11

12. filter_has_var Used as further validation for data input April 26, 2011 NWO-PUG 12

13. April 26, 2011 NWO-PUG 13

14. Questions? April 26, 2011 NWO-PUG 14

15. Links Where to Find Stuff I Talked About April 26, 2011 NWO-PUG 15

16. Links Filter Documentation http://www.php.net/manual/en/book.filter.php April 26, 2011 NWO-PUG 16