Display the current Git 'version' in PHP

Question

I want to display the Git version on my site.

How can I display a semantic version number from Git, that non-technical users of a site can easily reference when raising

Answer 1

If you'd like to do it without exec() and you're using git lightweight (see comments below) tagging:

You can get the current HEAD commit hash from .git/HEAD or .git/refs/heads/master. We then loop to find matching. Reversing the array first for speed because you're more likely to at a higher recent tag.

So if the current php file sits in a public_html or www folder one level down from the .git folder...