Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

ZipArchive uses class constants. There are three types of constants : Flags (prefixed with FL_), errors (prefixed with ER_) and mode (no prefix).

ZipArchive::CREATE (integer)

Create the archive if it does not exist.

ZipArchive::OVERWRITE (integer)

Always start a new archive, this mode will overwrite the file if it already exists.

ZipArchive::EXCL (integer)

Error if archive already exists.

ZipArchive::CHECKCONS (integer)

Perform additional consistency checks on the archive, and error if they fail.

ZipArchive::FL_NOCASE (integer)

Ignore case on name lookup

ZipArchive::FL_NODIR (integer)

Ignore directory component

ZipArchive::FL_COMPRESSED (integer)

Read compressed data

ZipArchive::FL_UNCHANGED (integer)

Use original data, ignoring changes.

ZipArchive::CM_DEFAULT (integer)

better of deflate or store.

ZipArchive::CM_STORE (integer)

stored (uncompressed).

ZipArchive::CM_SHRINK (integer)

shrunk

ZipArchive::CM_REDUCE_1 (integer)

reduced with factor 1

ZipArchive::CM_REDUCE_2 (integer)

reduced with factor 2

ZipArchive::CM_REDUCE_3 (integer)

reduced with factor 3

ZipArchive::CM_REDUCE_4 (integer)

reduced with factor 4

ZipArchive::CM_IMPLODE (integer)

imploded

ZipArchive::CM_DEFLATE (integer)

deflated

ZipArchive::CM_DEFLATE64 (integer)

deflate64

ZipArchive::CM_PKWARE_IMPLODE (integer)

PKWARE imploding

ZipArchive::CM_BZIP2 (integer)

BZIP2 algorithm

ZipArchive::ER_OK (integer)

No error.

ZipArchive::ER_MULTIDISK (integer)

Multi-disk zip archives not supported.

ZipArchive::ER_RENAME (integer)

Renaming temporary file failed.

ZipArchive::ER_CLOSE (integer)

Closing zip archive failed

ZipArchive::ER_SEEK (integer)

Seek error

ZipArchive::ER_READ (integer)

Read error

ZipArchive::ER_WRITE (integer)

Write error

ZipArchive::ER_CRC (integer)

CRC error

ZipArchive::ER_ZIPCLOSED (integer)

Containing zip archive was closed

ZipArchive::ER_NOENT (integer)

No such file.

ZipArchive::ER_EXISTS (integer)

File already exists

ZipArchive::ER_OPEN (integer)

Can't open file

ZipArchive::ER_TMPOPEN (integer)

Failure to create temporary file.

ZipArchive::ER_ZLIB (integer)

Zlib error

ZipArchive::ER_MEMORY (integer)

Memory allocation failure

ZipArchive::ER_CHANGED (string)

Entry has been changed

ZipArchive::ER_COMPNOTSUPP (integer)

Compression method not supported.

ZipArchive::ER_EOF (integer)

Premature EOF

ZipArchive::ER_INVAL (integer)

Invalid argument

ZipArchive::ER_NOZIP (integer)

Not a zip archive

ZipArchive::ER_INTERNAL (integer)

Internal error

ZipArchive::ER_INCONS (integer)

Zip archive inconsistent

ZipArchive::ER_REMOVE (integer)

Can't remove file

ZipArchive::ER_DELETED (integer)

Entry has been deleted