function pmc_track_post_vews()
{
	if(empty($_SESSION['_post_viewed']))
	{
		$_post_viewed = array();
	}
	else
	{
		$_post_viewed = $_SESSION['_post_viewed'];
	}
	global $wp_query;
	wp_reset_query();
	if(empty($_post_viewed) || !in_array($wp_query->post->ID,$_post_viewed))
	{
		wp_print_scripts('jquery');
		$token = wp_create_nonce( 'pmc_token' );
		if ( ! is_front_page() && ( is_page() || is_single() ) ) {
			echo '<!-- View Track --><script type="text/javascript">/* <![CDATA[ */ jQuery.post("' . admin_url('admin-ajax.php') . '", { action: "pmc_track_view", id: ' . $wp_query->post->ID . ', token: "' . $token . '" }); /* ]]> */</script><!-- /View Track -->';
		}
	}
}
add_action( 'wp_head', 'pmc_track_post_vews' );

add_action( 'wp_ajax_nopriv_pmc_track_view', 'fnc_update_post_view' );
add_action( 'wp_ajax_pmc_track_view', 'fnc_update_post_view' );
function fnc_update_post_view()
{
	if ( ! wp_verify_nonce( $_POST['token'], 'pmc_token' ) ) die();
	$_postid = esc_attr( $_POST['id'] );
	$_views_today = (get_post_meta($_postid, '_views_today',true))?get_post_meta($_postid, '_views_today',true):0;

	if(isset($_SESSION['_post_viewed']))
	{
		$_post_viewed = $_SESSION['_post_viewed'];
	}
	else
	{
		$_post_viewed = array();
	}
	if(empty($_post_viewed) || !in_array($_postid, $_post_viewed))
	{
		$_post_viewed[] = $_postid;
		$_SESSION['_post_viewed'] = $_post_viewed;
		update_post_meta($_postid, '_views_today', ($_views_today+1));
	}
	wp_die();
}