Title: Topic Tag: preprocess_comment | WordPress.org

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# Topic Tag: preprocess_comment

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [Custom comment meta via filter – 'Trying to get property of non-object' error](https://wordpress.org/support/topic/custom-comment-meta-via-filter-trying-to-get-property-of-non-object-error/)
    -  Started by: [Aaron Dicks](https://wordpress.org/support/users/aarondicks/)
    - 2
    - 6
    -  [12 years, 8 months ago](https://wordpress.org/support/topic/custom-comment-meta-via-filter-trying-to-get-property-of-non-object-error/#post-3994240)
    -  [bcworkz](https://wordpress.org/support/users/bcworkz/)
 *  -  [Where is "preprocess_comment" filter?](https://wordpress.org/support/topic/where-is-preprocess_comment-filter/)
    -  Started by: [jspicher](https://wordpress.org/support/users/jspicher/)
    - 1
    - 1
    -  [14 years, 1 month ago](https://wordpress.org/support/topic/where-is-preprocess_comment-filter/#post-2597803)
    -  [jspicher](https://wordpress.org/support/users/jspicher/)
 *  -  [Trying to post comment to facebook fanpage.](https://wordpress.org/support/topic/trying-to-post-comment-to-facebook-fanpage/)
    -  Started by: [giant slayer](https://wordpress.org/support/users/giant-slayer/)
    - 1
    - 2
    -  [15 years, 8 months ago](https://wordpress.org/support/topic/trying-to-post-comment-to-facebook-fanpage/#post-1611065)
    -  [giant slayer](https://wordpress.org/support/users/giant-slayer/)
 *  -  [is_trackback function](https://wordpress.org/support/topic/is_trackback-function/)
    -  Started by: [fiddyp](https://wordpress.org/support/users/fiddyp/)
    - 1
    - 1
    -  [18 years, 6 months ago](https://wordpress.org/support/topic/is_trackback-function/#post-623191)
    -  [fiddyp](https://wordpress.org/support/users/fiddyp/)
 *  -  [Identifying pingbacks and trackbacks at the preprocess_comment level](https://wordpress.org/support/topic/identifying-pingbacks-and-trackbacks-at-the-preprocess_comment-level/)
    -  Started by: [Peter](https://wordpress.org/support/users/pkthree/)
    - 3
    - 3
    -  [18 years, 6 months ago](https://wordpress.org/support/topic/identifying-pingbacks-and-trackbacks-at-the-preprocess_comment-level/#post-482202)
    -  [fiddyp](https://wordpress.org/support/users/fiddyp/)
 *   

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