wp_get_attachment_thumb_url()
Function: Retrieves URL for an attachment thumbnail.
Source: wp-includes/post.php:6402
wp_attachment_is()
Function: Verifies an attachment is of a given type.
Source: wp-includes/post.php:6433
wp_attachment_is_image()
Function: Determines whether an attachment is an image.
Source: wp-includes/post.php:6492
wp_mime_type_icon()
Function: Retrieves the icon for a MIME type or attachment.
Source: wp-includes/post.php:6504
wp_check_for_changed_slugs()
Function: Checks for changed slugs for published post objects and save the old slug.
Source: wp-includes/post.php:6653
wp_check_for_changed_dates()
Function: Checks for changed dates for published post objects and save the old date.
Source: wp-includes/post.php:6696
get_private_posts_cap_sql()
Function: Retrieves the private post SQL based on capability.
Source: wp-includes/post.php:6737
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