Plugin: No Duplicate Comments (3 posts)

  1. Scott Reilly
    WordPress & Plugin Dev
    Posted 11 years ago #

    Plugin: No Duplicate Comments

    Prevent visitors from leaving duplicate comments/pingbacks/trackbacks to a post.

    Details can be found at the plugin's homepage:

    All of my plugins can be found at:

    * Requires at least WordPress 1.5.

    * A duplicate is a comment/pingback/trackback that meets these criteria:
    Its contents match that of another comment in the same post
    Either the commenter's name or e-mail address (if provided) also match.

    I won't claim this approach won't lead to false-positives, but as far as I'm concerned it's reasonable.

    * If a comment is deemed to be a duplicate, an error page is displayed to the user indicating as much.

  2. Noemi
    Posted 11 years ago #

    You also could add a SID or something to a post to check :p

  3. tomhanna
    Posted 10 years ago #

    How about a plugin to prevent duplicate posts? V 1.5.2 has suddenly started causing the same post to occur 2 or 3 times with separate post IDs.

    Yes. This is my third thread on this. The first one was started over a week ago and has so far had one utterly useless reply.

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