function setPostViews($postID) {
    $count_key = 'views';
    $count = get_post_meta($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);
    }
}

function setPostViews($postID) {

    $user_ip = $_SERVER['REMOTE_ADDR']; //retrieve the current IP address of the visitor
    $key = $user_ip . 'x' . $postID; //combine post ID & IP to form unique key
    $value = array($user_ip, $postID); // store post ID & IP as separate values (see note)
    $visited = get_transient($key); //get transient and store in variable

    //check to see if the Post ID/IP ($key) address is currently stored as a transient
    if ( false === ( $visited ) ) {

        //store the unique key, Post ID & IP address for 12 hours if it does not exist
        set_transient( $key, $value, 60*60*12 );

        // now run post views function
        $count_key = 'views';
        $count = get_post_meta($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);
        }


    }

}

set_transient( $key, $value, 60*60*24 );

192.160.0.5x333

set_transient( $key, $value, 60*60*12 );

function setPostViews($postID) {

    //check if user not administrator, if so execute code block within
    if( !current_user_can('administrator') ) {

       //all code goes here...

    }

}

function slzexploore_postview_set() {

    global $post;

    $post_types = array('post', 'slzexploore_tour', 'slzexploore_hotel');

    if( $post ) {

        $post_id = $post->ID;

        if( in_array(get_post_type(), $post_types) && is_single() ) {

            $count_key = 'slzexploore_postview_number';

            $count = get_post_meta( $post_id, $count_key, true );

            if( $count == '' ) {

                $count = 0;

                delete_post_meta( $post_id, $count_key );

                add_post_meta( $post_id, $count_key, '0' );

            } else {

                $count++;

                update_post_meta( $post_id, $count_key, $count );

            }

        }

    }

}