Simple Hit Counter

Description

This is the simplest hit counter I could imagine (well, almost). Every time a
page is requested, it adds one to the count. The display is not an image, just
text. There is no javascript to hit some third-party server, no tracking, no
distinction among pages: just an old-fashioned site counter CGI, implemented in
WordPress. The plugin stores its count in its own MySQL table.

Once the plugin is installed (described below), you can display the count by
putting code like this somewhere on your page:

<?= simplehitcounter_hit(); ?>

That will both increment the counter and display its value. There is no method
for getting the value without incrementing it. I suppose I could write such a
thing if anyone likes.

There is a minor race condition. First the plugin updates the database by one
(atomically), then it queries for the current count. Therefore in heavy traffic
it is possible for two updates to happen before either select. In that case,
the counter will correctly increment, but the number displayed may be the same
for each user, representing the total page hits. As far as I can tell, this
race condition is inevitable without locking the table. It seems trivial
enough, though I guess you should be warned if you run a contest to give away a
free car to the 1,000,000th user.

By default the plugin keeps its data in a table called wp_simplehitcounter_hits.
You can change this by editing the simplehitcounter.php file.