Just as you would inject an attribute into HTML or CSS code, you can also inject data into JavaScript code. For example, to pass a variable from PHP to JavaScript, inject the value in the ...

In this second excerpt from Advanced PHP Programming, George Schlossnagle offers advice on how to defend against both attacks and carelessness.

If you insert PHP code in your HTML template, the editor correctly highlights both HTML tags and PHP functions. The same applies to CSS and JavaScript code, which is contained in HTML files. The ...