From Joomla! Documentation
The "API15" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
|create||Create a ZIP compressed file from an array of file data.|
|extract||Extract a ZIP compressed file to a given path|
|hasNativeSupport||Method to determine if the server has native zip support for faster handling|
|checkZipData||Checks to see if the data is a valid ZIP file.|
jimport( 'joomla.filesystem.archive.zip' );