WordPress hook directory
{$field}_pre

Important warning about variable hooks

Some hooks have variables in their names. For example, pre_${taxonomy}_$field and admin_head- both have variable names. In general, any hook that ends (or begins) with - or _, or contains a $, has a variable name. Since the syntax with which these variables are defined may change from version to version, this page may think that a hook is deprecated (or new) even if it is not. You can usually catch this sort of thing by comparing this hook to the list of "related hooks" below.

Former names for {$field}_pre

This is a variable hook. Because its name contains some variables, this hook might actually refer to several different possible hooks.

This variable hook replaces the following non-variable hooks found in earlier versions of WP. You may want to read up on these older hooks to get a better idea of what this variable hook can do.

Replaced Hook Version when Changed Information about Hook
comment_status_pre2.3Applied to post comment status prior to saving it in the database (also used for attachments). Sources: [1] and [2]
ping_status_pre2.3Applied to post ping status prior to saving it in the database (also used for attachments). Sources: [1] and [2]
post_mime_type_pre2.3Applied to the MIME type for an attachment prior to saving it in the database. Sources: [1] and [2]

WordPress version history for {$field}_pre

This database has information for all major versions from WP 1.2.1 through 5.1.

Version File Line Type
2.3 wp-includes/post.php 487 View in context filter
2.5 wp-includes/post.php 792 View in context filter
2.6 wp-includes/post.php 828 View in context filter
2.7 wp-includes/post.php 857 View in context filter
2.8 wp-includes/post.php 895 View in context filter
2.9 wp-includes/post.php 928 View in context filter
3.0 wp-includes/post.php 1464 View in context filter
3.1 wp-includes/post.php 1691 View in context filter
3.2 wp-includes/post.php 1722 View in context filter
3.3 wp-includes/post.php 1714 View in context filter
3.4 wp-includes/post.php 1771 View in context filter
3.5 wp-includes/post.php 2037 View in context filter
3.6 wp-includes/post.php 1965 View in context filter
3.7 wp-includes/post.php 2005 View in context filter
3.8 wp-includes/post.php 2009 View in context filter
3.9 wp-includes/post.php 2092 View in context filter
4.0 wp-includes/post.php 2221 View in context filter
4.1 wp-includes/post.php 2221 View in context filter
4.2 wp-includes/post.php 2230 View in context filter
4.3 wp-includes/post.php 2256 View in context filter
4.4 wp-includes/post.php 2000 View in context filter
4.5 wp-includes/post.php 2117 View in context filter
4.6 wp-includes/post.php 1949 View in context filter
4.7 wp-includes/post.php 2043 View in context filter
4.8 wp-includes/post.php 2043 View in context filter
4.9 wp-includes/post.php 2074 View in context filter
5.0 wp-includes/post.php 2233 View in context filter
5.1 wp-includes/post.php 2376 View in context filter

Related Hooks

We find related hooks using word stems. {$field}_pre has 1 significant word stem(s): field. Note that some of the hooks below may not appear in all versions of WP.