wp_count_posts()
Function: Counts number of posts of a post type and if user has permissions to view.
Source: wp-includes/post.php:2761
wp_count_attachments()
Function: Counts number of attachments for the mime type(s).
Source: wp-includes/post.php:2837
get_post_mime_types()
Function: Gets default post mime types.
Source: wp-includes/post.php:2879
wp_match_mime_types()
Function: Checks a MIME-Type against a list.
Source: wp-includes/post.php:2989
{$field_no_prefix}_save_pre
Filter Hook: Filters the value of a specific field before saving.
Source: wp-includes/post.php:2582
delete_post_meta_by_key()
Function: Deletes everything from post meta matching the given meta key.
Source: wp-includes/post.php:2281
{$field}_pre
Filter Hook: Filters the value of a specific post field before saving.
Source: wp-includes/post.php:2596
register_post_meta()
Function: Registers a meta key for posts.
Source: wp-includes/post.php:2297
{$field}
Filter Hook: Filters the value of a specific post field for display.
Source: wp-includes/post.php:2617
unregister_post_meta()
Function: Unregisters a meta key for posts.
Source: wp-includes/post.php:2314