Incorporte Daily Counter to Wordpress

I am currently setting up Wordpress and would like to place a counter in it. There are many plugins but all require a database in SQL. I like this Daily Counter more because the data is written into text file.

I tried placing

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<?php
include ("./config.inc.php");
if ($COUNT_CFG['use_db']) {
include ("./mysql.class.php");
}
include ("./counter.class.php");
$counter = new dcounter();
$visits = $counter->show_counter(); /* Returns an associative array */
?>

in header.php and

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Total Visits: <?php echo $visits['total']; ?>

in footer.php but when viewing tha page, it only show Total Visits: without the counter.

Any help wouold be appreciated. Thanks in advance.