How to force the browser to reload cached CSS/JS files?

Question

I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even be

Answer 1

If you're using git + PHP, you can reload the script from cache each time there is a change in the git repo, using the following code:

exec('git rev-parse --verify HEAD 2> /dev/null', $gitLog);
echo '  '.PHP_EOL;