Removes an item or items from a query string.

Reset the mbstring internal encoding to a users previously set encoding.

Send a HTTP header to limit rendering of pages to same origin iframes.

Send a HTTP header to disable content type sniffing in browsers which support it.

Converts a number of bytes to the largest unit the bytes will fit into.

Convert smiley code to the icon graphic file equivalent.

Set HTTP status header.

Validates a file name and path against an allowed set of rules.

Workaround for Windows bug in is_writable() function

Set up the WordPress query.