Introduction
Phar stands for PHP Archive. All the resources of a certain PHP application or library are packages in a single .phar file for the purpose of istribution. A phar file can be used as IO stream with phar:// wrapper. Context options for phar:// wrapper are listed as follows −
compress
PHP has following predefined constants for defining compression formats
| Constant | Value | Description | |
|---|---|---|---|
| Phar::NONE | 0x00000000 | no compression | |
| Phar::COMPRESSED | 0x0000F000 | bitmask with file flags to determine if any compression is presen | |
| Phar::GZ | 0x00001000 | zlib (gzip) compression | |
| Phar::BZ2 | 0x00002000 | bzip2 compression |
metadata
Any PHP variable containing information to store that describes the phar archive is used as argument for Phar::setMetadata() method
Example
This example Phar context option set for creating Phar file
<?php
$context = stream_context_create(array('phar' =>
array('compress' => Phar::GZ)),
array('metadata' => array('user' => 'cellog')));
file_put_contents('phar://my.phar/somefile.php', 0, $context);
?>