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.
| Constant | Value | Description | 
|---|---|---|
       Phar::NONE
       (integer)
       | 
      0x00000000 | no compression | 
       Phar::COMPRESSED
       (integer)
       | 
      0x0000F000 | bitmask that can be used with file flags to determine if any compression is present | 
       Phar::GZ
       (integer)
       | 
      0x00001000 | zlib (gzip) compression | 
       Phar::BZ2
       (integer)
       | 
      0x00002000 | bzip2 compression | 
| Constant | Value | Description | 
|---|---|---|
       Phar::PHAR
       (integer)
       | 
      1 | phar file format | 
       Phar::TAR
       (integer)
       | 
      2 | tar file format | 
       Phar::ZIP
       (integer)
       | 
      3 | zip file format | 
| Constant | Value | Description | 
|---|---|---|
       Phar::MD5
       (integer)
       | 
      0x0001 | signature with md5 hash algorithm | 
       Phar::SHA1
       (integer)
       | 
      0x0002 | signature with sha1 hash algorithm | 
       Phar::SHA256
       (integer)
       | 
      0x0003 | signature with sha256 hash algorithm (requires hash extension) | 
       Phar::SHA512
       (integer)
       | 
      0x0004 | signature with sha512 hash algorithm (requires hash extension) | 
       Phar::OPENSSL
       (integer)
       | 
      0x0010 | signature with OpenSSL public/private key pair. This is a true, asymmetric key signature. | 
| Constant | Value | Description | 
|---|---|---|
       Phar::PHP
       (integer)
       | 
      0 | used to instruct the mimeoverrides parameter of Phar::webPhar() that the extension should be parsed as a PHP file | 
       Phar::PHPS
       (integer)
       | 
      1 | used to instruct the mimeoverrides parameter of Phar::webPhar() that the extension should be parsed as a PHP source file through highlight_file() |