pre_comment_content
Filter Hook: Filters the comment content before it is set.
Source: wp-includes/comment.php:2130
pre_comment_on_post
Action Hook: Fires before a comment is posted.
Source: wp-includes/comment.php:3603
pre_comment_user_agent
Filter Hook: Filters the comment author’s browser user agent before it is set.
Source: wp-includes/comment.php:2120
pre_comment_user_ip
Filter Hook: Filters the comment author’s IP address before it is set.
Source: wp-includes/comment.php:2138
pre_count_users
Filter Hook: Filters the user count before queries are run.
Source: wp-includes/user.php:1263
pre_current_active_plugins
Action Hook: Fires before the plugins list table is rendered.
Source: wp-admin/plugins.php:766
pre_delete_attachment
Filter Hook: Filters whether an attachment deletion should take place.
Source: wp-includes/post.php:6042
pre_delete_post
Filter Hook: Filters whether a post deletion should take place.
Source: wp-includes/post.php:3139
pre_delete_site_option_{$option}
Action Hook: Fires immediately before a specific network option is deleted.
Source: wp-includes/option.php:1721
pre_delete_term
Action Hook: Fires when deleting a term, before any modifications are made to posts or terms.
Source: wp-includes/taxonomy.php:2067