is_local_attachment()
Function: Determines whether an attachment URI is local and really an attachment.
Source: wp-includes/post.php:5933
wp_insert_attachment()
Function: Inserts an attachment.
Source: wp-includes/post.php:5978
wp_delete_attachment()
Function: Trashes or deletes an attachment.
Source: wp-includes/post.php:6014
wp_delete_attachment_files()
Function: Deletes all files that belong to the given attachment.
Source: wp-includes/post.php:6118
wp_get_attachment_metadata()
Function: Retrieves attachment metadata for attachment ID.
Source: wp-includes/post.php:6216
wp_update_attachment_metadata()
Function: Updates metadata for an attachment.
Source: wp-includes/post.php:6259
wp_get_attachment_url()
Function: Retrieves the URL for an attachment.
Source: wp-includes/post.php:6294
get_page_hierarchy()
Function: Orders the pages with children under parents in a flat list.
Source: wp-includes/post.php:5630
get_enclosed()
Function: Retrieves enclosures already enclosed for a post.
Source: wp-includes/post.php:5321
get_pung()
Function: Retrieves URLs already pinged for a post.
Source: wp-includes/post.php:5359