zlib://

bzip2://

zip://

zlib:// -- bzip2:// -- zip://Compression Streams

Description

zlib: PHP 4.0.4 - PHP 4.2.3 (systems with fopencookie only)

compress.zlib:// and compress.bzip2:// PHP 4.3.0 and up

zlib: works like gzopen(), except that the stream can be used with fread() and the other filesystem functions. This is deprecated as of PHP 4.3.0 due to ambiguities with filenames containing ':' characters; use compress.zlib:// instead.

compress.zlib:// and compress.bzip2:// are equivalent to gzopen() and bzopen() respectively, and operate even on systems that do not support fopencookie.

ZIP extension registers zip: wrapper.

Usage

  • compress.zlib://file.gz
  • compress.bzip2://file.bz2
  • zip://archive.zip#dir/file.txt

Options

Wrapper Summary
Attribute Supported
Restricted by allow_url_fopen No
Allows Reading Yes
Allows Writing Yes (except zip://)
Allows Appending Yes (except zip://)
Allows Simultaneous Reading and Writing No
Supports stat() No, use the normal file:// wrapper to stat compressed files.
Supports unlink() No, use the normal file:// wrapper to unlink compressed files.
Supports rename() No
Supports mkdir() No
Supports rmdir() No

Коментарии

Example on how to read an entry from a ZIP archive (file "bar.txt" inside "./foo.zip"):

<?php

$fp 
fopen('zip://./foo.zip#bar.txt''r');
if( 
$fp ){
    while( !
feof($fp) ){
        echo 
fread($fp8192);
    }
   
fclose($fp);
}

?>

Also, apparently, the "zip:" wrapper does not allow writing as of PHP/5.3.6. You can read http://php.net/ziparchive-getstream for further reference since the underlying code is probably the same.
2011-04-12 10:41:33
http://php5.kiev.ua/manual/ru/wrappers.compression.html
Автор:
One-liners to gzip and ungzip a file:

copy('file.txt', 'compress.zlib://' . 'file.txt.gz');

copy('compress.zlib://' . 'file.txt.gz', 'file.txt');
2017-02-03 15:56:43
http://php5.kiev.ua/manual/ru/wrappers.compression.html

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