Thanks! Please check the following:
System requirements
License agreement
Refund policy
Purchase process
Sales Tax & VAT
Customer support

System requirements
This stack requires RapidWeaver and the Stacks plugin. It will not work with other platforms (like Wordpress).

We recommend you aim towards installing the latest version of RapidWeaver and Stacks that your computer is compatible with. Separate fees may apply.

License agreement

You may use this purchased stack an unlimited number of times in personal or commercial projects, request technical support and receive free updates in future.

This stack can be installed or synced onto all computers that you own. You are permitted to make archival backup copies of the stack.

You may not resell or make this stack available for download, remove copyright credits or license information.

The software is provided "as is" without any implied or expressed warranty of merchantability or fitness for purpose. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise arising from, out of or in connection with the software or the use or other dealings in the software.

Refund policy
By purchasing this stack, you agree that your purchase will be available immediately via digital download and that you waive your statutory right of withdrawal.

All purchases are final and refunds will not be provided (we physically cannot un-download or remove stacks from your computer).

You are reminded to make use of the free demo versions already provided on the website, to fully evaluate stacks for compatibility and suitability before purchase.

If the free demo version does not work for you, kindly refrain from buying the stack.

Purchase process
The checkout system is provided by Paddle. An attempt is made to display prices in your local currency.

To complete your order, you must supply a valid email address. Your purchase receipt and download link will be sent to this address. If you do not receive your purchase shortly after completing it, please carefully check your spam or junk mail folders.

Your purchases are available to re-download at anytime, via this order lookup page.

Sales tax and VAT
As of 1st January 2015, the European Union has implemented a law that requires VAT to be collected on the purchase of any digital downloads supplied to citizens of any EU country.

All sellers worldwide are legally required to comply with this law. Failure to comply can result in prosecution of both sellers and customers.

Based on the information you supply at the checkout, if it is determined you are buying from within the EU, your purchase will include the mandatory amount of VAT. The amount of VAT paid depends on the country you are buying from.

You will receive a full VAT invoice / receipt at the end of your transaction, confirming what has been paid.

Customer support
If you have questions that relate specifically to this stack, you should make contact via the contact page. We aim to answer all messages within 12 hours, Monday to Friday.

If you require a faster response at weekends or during public holidays, please post your question(s) to the RapidWeaver forums, where a support volunteer may be able to assist you quicker.
How does it work? Comments are submitted through a simple web form and are written into a plain text file, stored on your web server. This user-contributed material remains under your complete control and ownership. Some clever scripting is able to read each comment from the plain text file and display it on the page, with comments ordered newest first. Potential uses for CommentsStack includes a visitor guest book for holiday accommodation, product ratings, customer feedback and community consultation. It is possible to manually import comments from elsewhere. Likewise the plain text file can be edited to delete old or unwanted comments.

Key features

Here are some points of interest about CommentsStack for RapidWeaver:
  • Fully EU GDPR compliant. No identifiable information is ever collected from users. Users can choose to provide a screen or fake name if they prefer. Email and IP addresses are never recorded.
  • No SQL databases. Comments are saved within a simple 'flat file' plain text file on your server. This stack is lightweight and reliable - meaning less to go wrong! Easy to move between servers and keep backed-up.
  • All elements are translatable to any language. The basic layout and styling is extensively customisable from within the stack settings. Mock comments are displayed in RapidWeaver preview to help you visualise your completed CommentsStack
  • Can be used for comments, reviews or a simple online guest book. Change the form labels to suit your setup. Hide the star rating if it's not required or change the name field to a field for review titles.
  • Present comments in a single column or styled as mini 'cards' in a multi-column / masonry layout
  • Lock the submission form after any length of time, if you want to stop people continuing to review old or outdated products / services. Or use the stack to only display comments you upload via FTP.
  • Various basic measures to protect against spam and comment form abuse - blocks on excessive use of the return key, disabling of full HTML markup in comments, bad word lists, honeypots and math questions to confuse automated spam bots.
  • Your comments can be seen and indexed by popular search engines
  • Every comment gets allocated a unique permalink, which you can use to link-to or promote featured comments
  • Can be used behind a SiteLok or Lockdown firewall (not included), if you prefer to only have trusted, logged-in members view or write comments
  • Ability to easily edit the flat-file database at any time, to edit comments, delete comments or manually import new ones from elsewhere. Editing can usually be done securely via your existing FTP software and any plain text editor.
  • There is a provided option to get simple email notifications when a new comment is posted (on supported hosting companies only).
  • Multiple instances of CommentsStack can be safely used on the same page if required - making it ideal for a multilingual setup like RWML.
  • Optional cookie tracking can limit multiple postings within a specified time period.
  • And as your collection of comments grows longer, automatic pagination makes for a more comfortable reading experience!

CommentsStack requires a minimum of Stacks 3.5 and PHP 7. Email notifications require PHP Mail and an email account hosted by the web hosting provider.


This is a real working example of the CommentsStack, with the default settings applied. Try leaving a comment yourself. Tell us what part of the world you are in and what the weather is like today.
mooi man
leuk, moeilijkste is het sommetje hieronder
Loving it
Okay, I'm testing this to determine if I want to use this or Disqus
Very nice
really nice stacks.
test: :
Test Results from Comments Stack look Promising
From a user perspective, Will's comment stack holds great promise. It's simple to use compared to some, and I'd like to learn more.
0 / 1000
7 + 51 = ?



Follow these steps for getting a single CommentsStack setup in your website:
  1. Give the page a .php extension, in the RapidWeaver Page Inspector
  2. Open the Prefix box in the RapidWeaver page inspector and enter <?php session_start(); ?>
  3. Drag and drop a copy of the stack into the page, from your Stacks library
  4. Within the settings, the database name and time zone can be changed if required. Please see this webpage for details about what the timezone can be changed to. Database name always needs to be in a 'web safe' format - that is to mean it starts with a letter and contains no spaces or special characters. Comment count controls how many comments are shown on each pagination panel. Fields control what data you collect from users and is fully translatable into any language of your choice
  5. The CommentsStack Advanced Settings is the place to go for turning cookie tracking on or off, setting up simple email notifications, changing the viewing mode (i.e. start the page with the comments form hidden) and other features like switching the CommentsStack into read-only mode.
  6. Publish the page to your web server. Navigate to the page in the web browser and initiate setup of the database. This normally requires the page to be refreshed once or twice, to establish the new database (text file) that the comments will be stored within. From thereafter, website users can begin to leave comments or reviews.

Because the database used to store user-submitted content is generated separately to your website, it is impossible for RapidWeaver to accidentally delete it on subsequent republishes. However you should take care not to delete it yourself when managing files on your web hosting account. If you want to store the comments database elsewhere on your hosting account, please provide a relative path in the database name e.g. ../../comments/product-reviews.txt

Multiple CommentsStacks can be configured to share the same database. For example, you may wish to display a full set of comments on one page, and perhaps only a summary in 'read only' mode on your website homepage etc. When linking-to databases elsewhere on the hosting account, it is imperative that relative paths are always used; the same as if you were using another PHP stack like ProGallery. If you are unsure what a relative path is, you can search for this online using your preferred search engine.

Always keep your database files backed-up. Consider setting a reminder to do it regularly. You can also take backups of the comments from the email notifications you get sent. Most better quality web hosting companies already offer free backups. It may be possible to configure CRON jobs to create automated backups of comment files at set intervals. Your hosting company will be best-placed to advise you about this.

Configuring ratings

Ratings often form the basis of many feedback and review setups. But there can be huge variances in what rating options a RapidWeaver user may wish to present to end users. With this in mind, we have opted for a more 'opensource' approach; in letting you take full control of setting up a desired ratings or review system. You have complete control of both the backend and frontend configuration.

By default, a 5-point star rating system is used with radio buttons:

<div class="stars">
<input class="star star-5" id="star-5" type="radio" name="star" value="5">
<label class="star star-5" for="star-5"></label>
<input class="star star-4" id="star-4" type="radio" name="star" value="4">
<label class="star star-4" for="star-4"></label>
<input class="star star-3" id="star-3" type="radio" name="star" value="3">
<label class="star star-3" for="star-3"></label>
<input class="star star-2" id="star-2" type="radio" name="star" value="2">
<label class="star star-2" for="star-2"></label>
<input class="star star-1" id="star-1" type="radio" name="star" value="1">
<label class="star star-1" for="star-1"></label>
This is the HTML markup to provide end users with the ability to rate a product or service on a scale of 1 to 5. Certainly you could replace stars with something else or increase the resolution of recording; to perhaps something like a 10-point star rating system. A theme that includes Font Awesome icons is required.

The choice of rating the user selects is recorded into your database as a simple integer (whole number).

When viewing the comments, the rating gets appended onto a class like this:

In this case, the user provided a rating of '4'. So then you can write custom CSS to output text or other content (like stars) to provide a visual representation of the rating: {
content: '\f006';
font-family: FontAwesome;

.guest-rating {
position: absolute;
top: 15px;
right: 15px;
font-family: FontAwesome;
font-size: 30px;
color: #FD4;
text-shadow: 1px 1px 1px rgba(0,0,0,0.5);
letter-spacing: 5px;

.guest-rating-1:after {
content: '\f005 \f006 \f006 \f006 \f006';

.guest-rating-2:after {
content: '\f005 \f005 \f006 \f006 \f006';

.guest-rating-3:after {
content: '\f005 \f005 \f005 \f006 \f006';

.guest-rating-4:after {
content: '\f005 \f005 \f005 \f005 \f006';

.guest-rating-5:after {
content: '\f005 \f005 \f005 \f005 \f005';
The 'content' attribute is a CSS method of writing content into the page. In this example we use unicode Font Awesome stars. However you can use unicode for other characters (like favicons) or output a string of text. This could be an example of text to use for a 5-star rating:

.guest-rating-5:after {
content: 'Excellent';
Again this is completely opensource, so you can take the code from the stack, edit it in your preferred code editor, and paste it back in. Users of CommentsStacks have been able to successfully replace stars with numbers, word descriptions, favicons and other rating representations. You are certainly not limited to only being able to use 5 star ratings. With this stack, you can practically invent any rating system of your desire. Setup and testing of customised rating systems is not provided for free as part of the stack purchase; this is a service you would need to book in advance and hire a developer to oversee for you, if you are unable to create a customised ratings configuration yourself.

Bad word lists

Comments that contain profanities or other 'bad words' won't be blocked from being submitted. There are potentially some genuine cases where you might still want to receive such comments. However you can block those words or phases from being showed publicly on your website. We use Javascript to look at the words in each comment and compare those words against a list of bad words you provide. If a bad word or phase is detected, the letters get replaced with asterisks. The bad word list needs to be added in the stack as a string list, like this:

'bad', 'words', 'and phrases', 'go', 'here like', 'this'
There are many lists of swearwords / profanities available online already. Some may be ready in the correct format to use or can be easily edited in a plain text editor. If you find they are not in the desired format (and you know a little Python programming), you can convert them into a list ready to paste straight into the stack using this Python function we've written:

badwords = """paste your
list of
words and phrases
on each
line like

new_list_of_bad_words = badwords.split("\n")

When this function is run, the list of words and phases will be split at each line break (\n) and converted into string list format, ready to be pasted directly into the stack.

User average ratings

You might collect a lot of reviews in your CommentsStack. Ordinarily displaying an average rating might not work very accurately, because you would only be able to generate an average review total from the five-or-so comments visible in each pagination panel. To overcome this problem, we simultaneously write ratings into their own database text file. It's named database-001-ratings.txt where database-001.txt is the name of your database.

There are a huge number of possible ways a RapidWeaver user may want to use and display average ratings. And indeed, users may wish to display average ratings elsewhere on a website, like in the 'hero' unit on a website homepage. With this in mind, we have completely open-sourced user average reviews. To fetch ratings, calculate and average and output text, you can use PHP code like this:

// Relative path and name of the text file acting as the database for your ratings
$filename = "database-001-ratings.txt";
$fp = @fopen($filename, 'r');
if ($fp) {
$array = explode("\n", fread($fp, filesize($filename)));
$average = array_sum($array) / count($array);

// Calculate the average rating, rounded to 0 decimal places
$average_zero = number_format((float)$average, 0, '.', '');

// Calculate the average rating, rounded to 1 decimal places
$average_one = number_format((float)$average, 1, '.', '');

// Calculate the average rating, rounded to 2 decimal places
$average_two = number_format((float)$average, 2, '.', '');

// Display the average rating, within some HTML and text
echo "<div class='average-rating-$average_zero'>Average rating of $average_one from our reviewers!</div>";
Simply paste this code into an HTML stack. Make sure the page has a .php extension set. About the only part that requires attention might be line #3 where you set the relative path and name of the database file holding your ratings. The rest of this PHP plugin will calculate the average rating and output this number in either zero, one or two decimal places via this variable:

On it's own, this PHP taken from above should work well. If you are not afraid of messing around some more with this code or you have some experience of working with PHP, then there are potentially some seriously cool things you can do with average user ratings! Again help is available for hire if you're seeking to get something special setup in your webpages.

As with the main database file used for CommentsStack, the text file that ratings are stored in is completely opensource on your server. It is possible to edit this with any plain text editor to adjust ratings or delete older ones. Newest ratings are displayed at the top.
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