$ This-> input-> xss_clean () solution in codeignter

$ This-& gt; input-& gt; xss_clean () in codeignter recently used the codeignter framework to submit a form. this $ this-& gt; is used to view information; input-& gt; xss_clean (), which is described as "sort data of form fields". what is "sort data of form fields ????, Clear $ this-> input-> xss_clean () in codeignter ()
Recently, I used the codeignter framework to submit a form. I used this $ this-> input-> xss_clean () to view information. this is the description of "sort the data of form fields ", what is "organize the data of form fields ????

------ Solution --------------------
Clear potential malicious data... For more information, see core/Security. php.


------ Solution --------------------
Xss_clean only looks at the method name to know what to clean up ~~ Haha ~~
------ Solution --------------------
For reference
Http://stackoverflow.com/questions/5337143/codeigniter-why-use-xss-clean