Function: Perform a HTTP HEAD or GET request.

Function: Formats text for the HTML editor.

Function: Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.

Function: Determines if the URL can be accessed over SSL.

Function: Scale down an image to fit a particular size and save a new copy of the image.

Function: Register plural strings in POT file, but don’t translate them.

Function: Translates $text like translate(), but assumes that the text contains a context after its last vertical bar.