PHP to clean-up pasted Microsoft input

Question

I have a site where users can post stuff (as in forums, comments, etc) using a customised implementation of TinyMCE. A lot of them like to copy & paste from Word, which

Answer 1

In my case, there was a pattern. The unwanted part always started with

So my solution was to cut out everything before and after this block:

$array = explode("'),10);
echo $begin.$end;