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
delete_attachment
Action Hook: Fires before an attachment is deleted, at the start of wp_delete_attachment().
Source: wp-includes/post.php:6067
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_get_attachment_metadata
Filter Hook: Filters the attachment meta data.
Source: wp-includes/post.php:6247
wp_update_attachment_metadata()
Function: Updates metadata for an attachment.
Source: wp-includes/post.php:6259
wp_update_attachment_metadata
Filter Hook: Filters the updated attachment meta data.
Source: wp-includes/post.php:6276
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