WordPress at a glance
filter is not described

(field) filter-hook . WP 2.3.0

Filters the value of a specific post field for display.

The dynamic portion of the hook name, $field, refers to the post field name.


add_filter( '(field)', 'filter_function_name_2608', 10, 3 );
function filter_function_name_2608( $value, $post_id, $context ){
	// filter...

	return $value;
Value of the prefixed post field.
Post ID.
Context for how to sanitize the field. Possible values include 'raw', 'edit', 'db', 'display', 'attribute' and 'js'.

Where the hook is called

wp-includes/post.php 2397
$value = apply_filters( "{$field}", $value, $post_id, $context );
wp-includes/user.php 1303
$value = apply_filters( "{$field}", $value, $user_id, $context );
wp-includes/bookmark.php 425
$value = apply_filters( "{$field}", $value, $bookmark_id, $context );

Where the hook is used (in WP core)

Does not used.