deleted_comment
Action Hook: Fires immediately after a comment is deleted from the database.
Source: wp-includes/comment.php:1504
trash_comment
Action Hook: Fires immediately before a comment is sent to the Trash.
Source: wp-includes/comment.php:1550
trashed_comment
Action Hook: Fires immediately after a comment is sent to Trash.
Source: wp-includes/comment.php:1567
untrash_comment
Action Hook: Fires immediately before a comment is restored from the Trash.
Source: wp-includes/comment.php:1598
untrashed_comment
Action Hook: Fires immediately after a comment is restored from the Trash.
Source: wp-includes/comment.php:1618
spam_comment
Action Hook: Fires immediately before a comment is marked as Spam.
Source: wp-includes/comment.php:1649
spammed_comment
Action Hook: Fires immediately after a comment is marked as Spam.
Source: wp-includes/comment.php:1666
unspam_comment
Action Hook: Fires immediately before a comment is unmarked as Spam.
Source: wp-includes/comment.php:1697
unspammed_comment
Action Hook: Fires immediately after a comment is unmarked as Spam.
Source: wp-includes/comment.php:1717
pre_comment_approved
Filter Hook: Filters a comment’s approval status before it is set.
Source: wp-includes/comment.php:832