Subscribe to Comments 2.1

Subscribe to Comments 2.1 is a plugin that allows commenters on your blog to check a box before commenting and get e-mail notification of further comments. It is one of the most popular WordPress plugins out there for the simple reason that it helps foster a community around your blog by encouraging commenters to come back and stay engaged in the dialog.

Features

  • Rudimentary security
    • Users cannot enter a random e-mail into the subscription manager and modify someone else’s subscriptions
    • In order to modify subscriptions, users need to use a special link, given in notification e-mails, and printed in the comments form as long as they have their comment cookie
  • Recognition of subscription status
    • Unsubscribed users see the “subscribe to comments” checkbox, but subscribed users see a “Manage your subscriptions” link
    • The author of the post is recognized by either login or comment cookie and is assumed to be subscribed to the entry (as they will receive notifications through WordPress)
  • Themeable subscription manager
    • Uses visual style of WordPress interface
    • Can be optionally accessed via “Manage” menu in WordPress
    • E-mail verification of block requests
    • Javascript “invert selection” link to check/uncheck subscriptions for mass deletion
    • “Return to the page you were viewing” link that persists at the top of the page, so that users can easily return to the post they were reading once they are done modifying subscriptions
  • Ability to let users change notification e-mail address
    • In the subscription manager, users can request that their notification address be changed for all their subscriptions
    • Special link is sent to the old address for verification
    • Once clicked, their e-mail address will be changed instantly for all their comments
  • Easy integration into comments form
    • No modification of comments form needed for WP 1.5+ (supported themes)
    • For users who want custom placement of the checkbox/link to subscription manager, this can be done with one simple function call, placed anywhere in the comment form
  • Subscription without leaving a comment
    • By popular demand, you can now offer visitors the option of subscribing to comments on an entry without having to leave a comment themselves
    • If the reader later decides to join the conversation, their subscription continues without them having to explicitly set it
  • Customization
    • You can make the Subscription Manager that your users see use your theme’s header, footer and sidebar, using CSS to style it to fit your site
  • Internationalization
    • I’ve written Subscribe to Comments 2.1 with i18n in mind, making full use of __() and _e() functions. The domain is “subscribe-to-comments”.

Download

Version 2.1 Update

Version 2.1 of Subscribe to Comments has a feature that people have been begging me to implement for many months: you can view the list of people who are subscribed to posts on your blog, and you can also see a list of the most “subscribed” posts. Also in this version is a new one-file install. You just put subscribe-to-comments.php in your /plugins/ directory, activate, and you’re done. This version will work on WordPress versions from 2.0.6 through 2.3.1 (highest tested).

Versions

  • 2.1.2 Fixed a few bugs that’d send bad notifications (thanks Donncha!), cleaned up some code and moved to using proper WP escaping functions
  • 2.1.1 WordPress 2.2 compatibility! Also note that support for attribute_escape() is needed, so if you get errors about that, upgrade to the latest version in your branch
  • 2.1 big update, fixing a few potential XSS holes, and misc error messages… see above for details
  • 2.0.8 XSS security fixes, hopefully fixed “+” symbols in e-mail for good
  • 2.0.7 additional “funky e-mail” fixes
  • 2.0.6 support for e-mail addresses with “+” symbols, option to disable CSS “clearing”
  • 2.0.4 potential security bugs, better WP 2.0 capabilities compat

Feedback/Bugs

Feel free to leave bug reports or feature requests here. Use this entry’s comments to ask support questions or offer general feedback

I’ve spent a lot of time writing this code and supporting it. If you derive some benefit from this code, please consider showing your gratitute in a more tangible
way. Thanks!

I have received $0 this month for my coding efforts.

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4,511 Responses to “Subscribe to Comments 2.1”

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  3. Michael Foot Says:

    Nice plugin :) Thanks for this solutions :)

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  17. Julie Says:

    Having the same problem of checkbox showing up wayyyyyyy down at bottom, near footer, with huuuuge space above. How to fix????

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  21. Les_Singes Says:

    Thank you for your nice pluggin :)

    I try to traduce in french “Notify me of followup comments via e-mail” by “Faire suivre les commentaires par courriel”. I change it in line 196 of subscribe-to-comments.pot and in line 701 of subscribe-to-comments.php but it’s not working.

    Could you help me?
    Thank you

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  36. Paul Says:

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  42. Jessica Says:

    Hello,

    Looking at all these comments, looks like this plugin works wonders! I would like to add it to my site, but sadly after I finished uploading to my plugins files, I log into my account and it’s not there! Please help me.

  43. martin Says:

    I have a slight validation problem with your extension and the Wordpress search. Both seem to be using id=”s” which gives a validation error at the W3 Validator.

    Any idea how I can change the id? I’m not that of a coder ;)

  44. Hans Says:

    So, does this plugin compatible to wordpress 2.6 already?

  45. kadavy Says:

    Great plugin! It would be nice to be able to filter comment subscriptions by entering a keyword (such as your name) to make sure you’re only getting relevant replies. Some sites have too many comments coming in to be worth subscribing to!

  46. I’m trying to get the checkbox to be checked by default. I’ve tried a few things but it’s all shots in the dark since I have no knowledge of code. Anyone have any ideas? Many thanks! and the plugin is Great! Much love

    benny

  47. Hugo Luiten Says:

    the plugin wont work on 2.6.1 . Also have see that you have 2.6.1 on this blog so notify wont work for me , works for you.Check you mail box

  48. Hugo Luiten Says:

    ok, now i have see that it also dont work here in your blog with WP 2.6.1.Because i have checked the box to notify me and now have another comment after mine and it dont send me a mail

  49. WordPress, плагины и напильник - как работает этот блог…

    Из заголовка уже понятно, что данный блог работает на движке WordPress, на момент написания записи на русской стандартной версии 2.6.1 (стандарт…

  50. Fred Says:

    Seems to work fine for me. What version of Wordpress are your using?

  51. Homeworker Says:

    Brilliant. I’ve just downloaded this and will install it later today.

    Really excited. It’s a great way to get people coming back!

    Thanks a lot!

    I hope it’s a success for me and I’ll be back with a donation :)

  52. rap Says:

    I log into my account and it is not there! Please help me.

  53. Anil Says:

    I’ve recently come across a new problem and was wondering if you could help - one of my subscribers (or bot) has been able to subscribe without leaving an email address. I can see it in the subscription manager, but not delete it. When I select and click “remove selected subscriptions” there is no change.

    I was wondering if you could point me in the right direction to correct and get rid of this entry?

    I would appreciate it very much.

  54. Anil Says:

    Ok, it seems that it is subscribing to link backs I make to posts within the site. I’m not sure why this is happening though. I’m running WP 2.6.2.

    Any ideas?

  55. Andy Says:

    Hello: I think the plugin is great thanks.

    Someone appears to have entered an incorrect email address when subscribing. Now every time someone adds a new comment to an article they’ve subscribed to I am getting failure notices from my mail system.

    Is there any way I can stop this? I have the incorrect email address in the messages but how can I either amend the address or delete it?

    Andy

  56. Pamela Says:

    This is great way to achieve some “bonding” with your readers.

  57. Amanda Says:

    Is there a way to put a rel=”nofollow” on the manage subscription link?

    Thanks!

  58. Mark Says:

    Andy, unsubscribe the person in the admin.

  59. Andy Says:

    Many thanks Mark. I didn’t realise the subscribers were listed and available to edit in the Manage/Subscriptions area. I only looked in Settings/Subscribe to comments

  60. Ricardo Says:

    Hi,

    I translated this amazing plug-in to portuguese but I think I’m doing something wrong. All the backend (management, options, setup, etc.) of it is now translated but the checkbox “Notify me of followup comments via e-mail” is still in English.

    Check out the this post, for example: http://laedevolta.com.br/blog/2008/09/02/milao-e-um-pouco-mais/

    You can post a test comment there and then, after I approve it, you will see that “Subscription Manager” section is now in portuguese.

    Also, please mail me so I can give you the translated files for other to make use of.

    Thanks,
    Ricardo

  61. Ricardo Says:

    Ok, problem solved. Sorry for the previous comment.

    Anyway, just mail me if you want to put together the translated file for Brazilian Portuguese (pt_BR).

    Thanks,
    Ricardo

  62. Manuel Says:

    Hi, cool plugin!

    I want to use it - but I have a problem. I secured the /wp-admin/ with a htaccess pass. So I need to enter a pass before I get to the admin-login.

    Fine, BUT if I use the Plugin given by you, I need to enter the pass too, but my users of course do not know the pass. How can I get rid of this problem? Any help appreciated.

  63. Manuel Says:

    I have to enter the pass (htaccess) if I want to “manage my subscriptions” (link).

    I tried to add “user:pass@xxx in the Link here:

    $link = add_query_arg(’ref’, rawurlencode(’http://user:pass@’ . $_SERVER['HTTP_HOST'] . attribute_escape($_SERVER['REQUEST_URI'])), $link);

    but it did not work…

  64. Jonathan Says:

    Any idea why my checkbox is appearing way off to the right? http://intheband.tv

  65. [...] 8.) Use Subscribe to Comments plugin Subscribs to comments plugin - When readers comment it allows them to follow any more comments as updates are sent by email.  http://txfx.net/code/wordpress/subscribe…) [...]

  66. John Baker Says:

    Good plugin but it doesn’t work on my 2.6.2 install of wordpress.
    Correction, the plugin seems to work, but there is a conflict with my archives page.
    As soon as I enable this plugin my archives page won’t load. When I disable the plugin the archive page loads normally.
    Any suggestions on that one?

  67. Vygantas Says:

    Does this work with 2.6?

  68. media-mirror Says:

    Hi,

    the option to have to subscribe to comments checkbox checked on default is missing in the plugin. Is it possible to do something in the code to change the status of the checkbox to “checked”?

    Thanks a lot for your help!

    media-mirror

  69. Varun Says:

    The check box appears as a dot.
    Any help will be appreciated.

  70. Puh Says:

    Would you PLEASE implement an “Double Opt-in”-Feature and a Blacklist to prevent German WOrdpress-Webmaster get “trouble with the law”!

    Please have a look here: http://upload-magazin.de/?p=1220

  71. Dezeray Says:

    Yeah , if the checkbox was checked it would be much easier to keep few more people in , but it seems like you are forcing them to receive the notification instead of them choosing it , but thats just my 2 cents ..

  72. Metty Says:

    Huh, i thought that someone from Germay already posted a comment here today.
    German Bloggers have a problem with your GREAT plugin because it doesn’t support double-opt-in.
    The first one got a letter from a lawyer and has to pay “a fine”.
    So now many blogs disable your plugin.

    Is it possible to get an update with double-opt-in?

  73. Dieter Says:

    Hi Mark

    Great WP-Plugin. Thanks.

    But there is a problem for german users. It doesn´t use the Double-Opt-In-Procedure. Without that the risk tot get a warning with costs is to high in germany.

    It would be great, if you could enhance the plugin with the Double-Opt-In-Functionality.

    Best regards
    Dieter

  74. Tampa Blog Says:

    Hi I have this plugin on one of my blogs and love it but I can’t get it working on one of my blogs I get a internal 500 error . Any help is appreciated.

  75. amerz Says:

    For the one who secure /wp-admin
    the user still can manage their subscription when they click cancel when the it prompt for a password. This work on my site.

    It just the page display will be kind of messy a bit

  76. John Baker Says:

    I still can’t use the plugin because of a conflict with my archive page. Is there something in my theme which might be causing this? Once the plugin is activates my archive page will only partially load . . .

  77. Looking at all these comments, looks like this plugin works wonders!

  78. -=s=- Says:

    Does this work with 2.6?

  79. Find this code in subscribe-to-comments.php file

    <p clear_both) echo ’style=”clear: both;” ‘; ?>class=”subscribe-to-comments”>
    <input type=”checkbox” name=”subscribe” id=”subscribe” value=”subscribe” style=”width: auto;” <?php if ( $checked_status ) echo ‘checked=”checked” ‘; ?>/>

    change checked=”checked” attribute in input field code.

  80. [...] respostas em seu e-mail e pode continuar a conversa de maneira simples. Podem usar o plugin ” Suscribe to Comments“, ele funciona muito bem e pode gerenciar assinaturas de forma simples e [...]

  81. Hi there.

    I’ve installed your plugin in my 2.6.3 WP, but there is not Notify box that comes out below my comment form.

    Settings have been set too.

    Please advice.

    Regards.

    Gionata Nencini
    http://www.Partireper.it

  82. Isto Says:

    Interesting plugin. I think I am going to use it.

  83. Aleksandar Says:

    I tanslated this plugin to Serbian Cyrillic and fixed textdomain init so localisation can be used.

    Localised and patched StC 2.1.2 can be downloaded from my blog at http://blog.urosevic.net/2008/11/03/1000/pretplata-na-zapise/

    Regards,
    Aleksandar

  84. Ruby Says:

    我在学习Ruby,欢迎朋友来们有空来踩踩。请多多留言指教。

  85. Interesting word press.

    I think i m going to use it.

  86. I installed your plug-in and it works great :) I gave you a short write up on Cake Blast. Thank you for the great work you put into this essential Wordpress plugin.

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