![ErrorException #1 htmlspecialchars() expects parameter 1 to be string · Issue #702 · codeigniter4/CodeIgniter4 · GitHub ErrorException #1 htmlspecialchars() expects parameter 1 to be string · Issue #702 · codeigniter4/CodeIgniter4 · GitHub](https://user-images.githubusercontent.com/13240975/29957862-ee5d9f82-8f19-11e7-8432-1e36c44d305c.png)
ErrorException #1 htmlspecialchars() expects parameter 1 to be string · Issue #702 · codeigniter4/CodeIgniter4 · GitHub
![Working with Forms in PHP HTTP GET / POST, Validation, Escaping, Input Types, Submitting Arrays, URL Redirecting, PHP Superglobals Svetlin Nakov Technical. - ppt download Working with Forms in PHP HTTP GET / POST, Validation, Escaping, Input Types, Submitting Arrays, URL Redirecting, PHP Superglobals Svetlin Nakov Technical. - ppt download](https://images.slideplayer.com/27/9261391/slides/slide_6.jpg)
Working with Forms in PHP HTTP GET / POST, Validation, Escaping, Input Types, Submitting Arrays, URL Redirecting, PHP Superglobals Svetlin Nakov Technical. - ppt download
![web - PHP Security test gives me critical Reflected XSS warning for GetHTMLValueString, how can i fix? - Stack Overflow web - PHP Security test gives me critical Reflected XSS warning for GetHTMLValueString, how can i fix? - Stack Overflow](https://i.stack.imgur.com/rabuE.jpg)