WordPress at a glance
filter is not described

edit_(field) filter-hook . WP 2.3.0

Filters the value of a specific post field to edit.

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

Usage

add_filter( 'edit_(field)', 'filter_function_name_4304', 10, 2 );
function filter_function_name_4304( $value, $post_id ){
	// filter...

	return $value;
}
$value(mixed)
Value of the post field.
$post_id(int)
Post ID.

Where the hook is called

sanitize_post_field()
sanitize_bookmark_field()
sanitize_user_field()
wp-includes/post.php 2168
$value = apply_filters( "edit_{$field}", $value, $post_id );
wp-includes/bookmark.php 386
$value = apply_filters( "edit_{$field}", $value, $bookmark_id );
wp-includes/user.php 1188
$value = apply_filters( "edit_{$field}", $value, $user_id );

Where the hook is used (in WP core)

wp-includes/class-wp-embed.php 43
add_action( 'edit_form_advanced', array( $this, 'maybe_run_ajax_cache' ) );
wp-includes/class-wp-embed.php 44
add_action( 'edit_page_form', array( $this, 'maybe_run_ajax_cache' ) );
wp-includes/default-filters.php 429
add_action( 'edit_user_created_user', 'wp_send_new_user_notifications', 10, 2 );
wp-admin/includes/meta-boxes.php 1322
add_action( 'edit_form_after_title', 'edit_form_image_editor' );
wp-admin/edit-form-advanced.php 65
add_action( 'edit_form_after_title', '_wp_posts_page_notice' );