Документация PHP
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What makes a phar a phar and not a tar or a zip?
Phar manifest file entry definition
Each file in the manifest contains the following information:
| Size in bytes | Description |
|---|---|
| 4 bytes | Filename length in bytes |
| ?? | Filename (length specified in previous) |
| 4 bytes | Un-compressed file size in bytes |
| 4 bytes | Unix timestamp of file |
| 4 bytes | Compressed file size in bytes |
| 4 bytes | CRC32 checksum of un-compressed file contents |
| 4 bytes | Bit-mapped File-specific flags |
| 4 bytes | Serialized File Meta-data length (0 for none) |
| ?? | Serialized File Meta-data, stored in serialize() format |
Note that as of API version 1.1.1, empty directories are stored as filenames with a trailing slash like my/directory/
The File-specific bitmap values recognized are:
| Value | Description |
|---|---|
| 0x000001FF | These bits are reserved for defining specific file permissions of a file. Permissions are used for fstat() and can be used to recreate desired permissions upon extraction. |
| 0x00001000 | If set, this file is compressed with zlib compression |
| 0x00002000 | If set, this file is compressed with bzip compression |