CodeIgniter: Use get_post with XSS filtering on entire $_POST array

Question

Is there an easier way than

foreach($_POST as $x=>$y){
  $arr[$x] = $this->input->get_post($y, TRUE);
}

to just have the entire $_POST array cleaned with CI's XSS filter. Looking at the input library it seems though get_post() only accepts an individual variable rather than being able to clean the entire array and then return the array back.

Answer 1

Not sure if you want it globally, but if you do... from ze manual:

If you want the filter to run automatically every time it encounters POST or COOKIE data you can enable it by opening your application/config/config.php file and setting this:

$config['global_xss_filtering'] = TRUE;

Answer 2

$this->input->post(NULL, TRUE);

returns all POST items with XSS filter

$this->input->post();

returns all POST items without XSS filter

Answer 3

The chosen answer for this is correct in a sense but the information is provided is not a suitable answer to the real problem which is XSS filtering in CI.

To further the comment by bobince some good reading at:

http://ponderwell.net/2010/08/codeigniter-xss-protection-is-good-but-not-enough-by-itself/

Either htmlspecialchars / htmlentities / urlencode on all output or go home. CI's XSS filter uses a dated and broken blacklist technique that fails a lot of XSS attacks.

Encode and validate. Always.