How to Track post views without a plugin using post meta

Here is the simple wordpress code, for track your individual post, pages without using a plugin. Add this snippet into the themes functions.php of your wordpress theme then follow step 1:

function getPostViews($postID){
    $count_key = 'post_views_count';
    $count = get_post_meta($postID, $count_key, true);
    if($count==''){
        delete_post_meta($postID, $count_key);
        add_post_meta($postID, $count_key, '0');
        return "0 View";
    }
    return $count.' Views';
}
function setPostViews($postID) {
    $count_key = 'post_views_count';
    $count = get_post_meta($postID, $count_key, true);
    if($count==''){
        $count = 0;
        delete_post_meta($postID, $count_key);
        add_post_meta($postID, $count_key, '0');
    }else{
        $count++;
        update_post_meta($postID, $count_key, $count);
    }
}

remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);

Place this snippet bellow "setPostViews" within the single.php inside the loop.

<?php
          setPostViews(get_the_ID());
?>

Place the following code within the template where you would like to display the number of views.

<?php
          echo getPostViews(get_the_ID());
?>