Downloads an external image and optionally attaches it to a post.
Clear all of the caches for memory management
VIPs and other themes can declare the permastruct, tag and category bases in their themes.
Set the quality of a jpeg image
Clear the sitemap cache when a sitemap action has changed Add a job to the pings queue to send out update notifications
Output the master sitemap URLs for the current blog context
Ping all registered HTTP endpoints for sitemap URIs
A list or HTTP endpoints for a sitemap ping
Absolute URL of the current blog’s news sitemap