trash_post_comments
Action Hook: Fires before comments are sent to the Trash.
Source: wp-includes/post.php:3517
attachment_updated
Action Hook: Fires once an existing attachment has been updated.
Source: wp-includes/post.php:4429
pre_delete_post
Filter Hook: Filters whether a post deletion should take place.
Source: wp-includes/post.php:3139
before_delete_post
Action Hook: Fires before a post is deleted, at the start of wp_delete_post().
Source: wp-includes/post.php:3155
stick_post()
Function: Makes a post sticky.
Source: wp-includes/post.php:2646
delete_post
Action Hook: Fires immediately before a post is deleted from the database.
Source: wp-includes/post.php:3221
post_stuck
Action Hook: Fires once a post has been added to the sticky list.
Source: wp-includes/post.php:2670
deleted_post
Action Hook: Fires immediately after a post is deleted from the database.
Source: wp-includes/post.php:3251
unstick_post()
Function: Un-sticks a post.
Source: wp-includes/post.php:2683
after_delete_post
Action Hook: Fires after a post is deleted, at the conclusion of wp_delete_post().
Source: wp-includes/post.php:3274