Opens a new zip archive for reading, writing or modifying.
filenameThe file name of the ZIP archive to open.
flagsThe mode to use to open the archive.
ZIPARCHIVE::OVERWRITE
ZIPARCHIVE::CREATE
ZIPARCHIVE::EXCL
ZIPARCHIVE::CHECKCONS
Error codesReturns TRUE on success or the error code.
ZIPARCHIVE::ER_EXISTS
ZIPARCHIVE::ER_INCONS
ZIPARCHIVE::ER_INVAL
ZIPARCHIVE::ER_MEMORY
ZIPARCHIVE::ER_NOENT
ZIPARCHIVE::ER_NOZIP
ZIPARCHIVE::ER_OPEN
ZIPARCHIVE::ER_READ
ZIPARCHIVE::ER_SEEK