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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.

**Phar compression constants**
Constant	Value	Description
`Phar::NONE` (int )	0x00000000	no compression
`Phar::COMPRESSED` (int )	0x0000F000	bitmask that can be used with file flags to determine if any compression is present
`Phar::GZ` (int )	0x00001000	zlib (gzip) compression
`Phar::BZ2` (int )	0x00002000	bzip2 compression

**Phar file format constants**
Constant	Value	Description
`Phar::PHAR` (int )	1	phar file format
`Phar::TAR` (int )	2	tar file format
`Phar::ZIP` (int )	3	zip file format

**Phar signature constants**
Constant	Value	Description
`Phar::MD5` (int )	0x0001	signature with md5 hash algorithm
`Phar::SHA1` (int )	0x0002	signature with sha1 hash algorithm
`Phar::SHA256` (int )	0x0003	signature with sha256 hash algorithm (requires hash extension)
`Phar::SHA512` (int )	0x0004	signature with sha512 hash algorithm (requires hash extension)
`Phar::OPENSSL` (int )	0x0010	signature with OpenSSL public/private key pair. This is a true, asymmetric key signature.
`Phar::OPENSSL_SHA256` (int )
`Phar::OPENSSL_SHA512` (int )

**Phar webPhar mime override constants**
Constant	Value	Description
`Phar::PHP` (int )	0	used to instruct the mimeoverrides parameter of Phar::webPhar() that the extension should be parsed as a PHP file
`Phar::PHPS` (int )	1	used to instruct the mimeoverrides parameter of Phar::webPhar() that the extension should be parsed as a PHP source file through highlight_file()

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