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Description
The wrapper takes the url encoded path to the RAR archive (relative or absolute), an optional asterik (*), an optional number sign (#) and an optional url encoded entry name, as stored in the archive. Specifying an entry name requires the number sign; a leading forward slash in the entry name is optional.
This wrapper can open both files and directories. When opening directories, the asterisk sign forces the directory entries names to be returned unencoded. If it's not specified, they will be returned url encoded – the reason for this is to allow the wrapper to be correctly used with built-in functionality like the RecursiveDirectoryIterator in the presence of file names that seem like url encoded data.
If the pound sign and the entry name part are not included, the root of the archive will be displayed. This differs from regular directories in that the resulting stream will not contain information such as the modification time, as the root directory is not stored in an individual entry in the archive. The usage of the wrapper with RecursiveDirectoryIterator requires the number sign to be included in the URL when accessing the root, so that the URLs of the children may be constructed correctly.
Note: This wrapper is not enabled by default
In order to use the rar:// wrapper, you must install the » rar extension available from » PECL.
rar:// Available since PECL rar 3.0.0
Examples
Example #1 Traversing a RAR archive
<?php
class MyRecDirIt extends RecursiveDirectoryIterator {
function current() {
return rawurldecode($this->getSubPathName()) .
(is_dir(parent::current())?" [DIR]":"");
}
}
$f = "rar://" . rawurlencode(dirname(__FILE__)) .
DIRECTORY_SEPARATOR . 'dirs_and_extra_headers.rar#';
$it = new RecursiveTreeIterator(new MyRecDirIt($f));
foreach ($it as $s) {
echo $s, "\n";
}
?>
The above example will output something similar to:
|-allow_everyone_ni [DIR]
|-file1.txt
|-file2_אּ.txt
|-with_streams.txt
\-אּ [DIR]
|-אּ\%2Fempty%2E [DIR]
| \-אּ\%2Fempty%2E\file7.txt
|-אּ\empty [DIR]
|-אּ\file3.txt
|-אּ\file4_אּ.txt
\-אּ\אּ_2 [DIR]
|-אּ\אּ_2\file5.txt
\-אּ\אּ_2\file6_אּ.txt
Example #2 Opening an encrypted file (header encryption)
<?php
$stream = fopen("rar://" .
rawurlencode(dirname(__FILE__)) . DIRECTORY_SEPARATOR .
'encrypted_headers.rar' . '#encfile1.txt', "r", false,
stream_context_create(
array(
'rar' =>
array(
'open_password' => 'samplepassword'
)
)
)
);
var_dump(stream_get_contents($stream));
/* creation and last access date is opt-in in WinRAR, hence most
* files don't have them */
var_dump(fstat($stream));
?>
The above example will output something similar to:
string(26) "Encrypted file 1 contents."
Array
(
[0] => 0
[1] => 0
[2] => 33206
[3] => 1
[4] => 0
[5] => 0
[6] => 0
[7] => 26
[8] => 0
[9] => 1259550052
[10] => 0
[11] => -1
[12] => -1
[dev] => 0
[ino] => 0
[mode] => 33206
[nlink] => 1
[uid] => 0
[gid] => 0
[rdev] => 0
[size] => 26
[atime] => 0
[mtime] => 1259550052
[ctime] => 0
[blksize] => -1
[blocks] => -1
)
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-wrappers.rar.html
The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.
References
These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.
