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<Phar File FormatPhar manifest file entry definition>
^What makes a phar a phar and not a tar or a zip?Last updated: Mon, 26 Oct 2026

Global Phar bitmapped flags

Here are the bitmapped flags currently recognized by the Phar extension for the global Phar flat bitmap:

Bitmap values recognized
Value Description
0x00010000 If set, this Phar contains a verification signature
0x00001000 If set, this Phar contains at least 1 file that is compressed with zlib DEFLATE compression
0x00002000 If set, this Phar contains at least 1 file that is compressed with bzip2 compression


<Phar File FormatPhar manifest file entry definition>
^What makes a phar a phar and not a tar or a zip?Last updated: Mon, 26 Oct 2026