Hey,
Can you be a bit clearer on what you are trying to do?
and the editor supports Markdown. So try to wrap your code in code like this. It will be much more clearer.
More ref on Markdown dillinger.io
actually i'm creating php quiz question and there is two button next question and prev question and for next prev button i'm write the function in javascript code and now i want to do same code through php or i want the same code in php can you tell ne how can i do ??