Connects to and selects database.

Changes the current SQL mode, and ensures its WordPress compatibility.

Return the cache key for wp_count_posts() based on the passed arguments.

This was once used to move child posts to a new parent.

Registers theme support for a given feature.

Displays fields for ID3 data.

Retrieves the name of the current action hook.

Old callback for tag link tooltips.

Returns whether or not an action hook is currently being processed.

Returns whether or not a filter hook is currently being processed.