pre_update_option_{$option}
Filter Hook: Filters a specific option before its value is (maybe) serialized and updated.
Source: wp-includes/option.php:479
pre_update_site_option_{$option}
Filter Hook: Filters a specific network option before its value is updated.
Source: wp-includes/option.php:1831
pre_upload_error
Filter Hook: Filters whether to preempt the XML-RPC media upload.
Source: wp-includes/class-wp-xmlrpc-server.php:6414
pre_user_{$field}
Filter Hook: Filters the value of a user field in the ‘db’ context.
Source: wp-includes/user.php:1832
pre_user_description
Filter Hook: Filters a user’s description before the user is created or updated.
Source: wp-includes/user.php:2325
pre_user_display_name
Filter Hook: Filters a user’s display name before the user is created or updated.
Source: wp-includes/user.php:2314
pre_user_email
Filter Hook: Filters a user’s email before the user is created or updated.
Source: wp-includes/user.php:2211
pre_user_first_name
Filter Hook: Filters a user’s first name before the user is created or updated.
Source: wp-includes/user.php:2273
pre_user_id
Filter Hook: Filters the comment author’s user ID before it is set.
Source: wp-includes/comment.php:2107
pre_user_last_name
Filter Hook: Filters a user’s last name before the user is created or updated.
Source: wp-includes/user.php:2284