Compression Streams

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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.

Utilizare

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

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**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

zlib://

bzip2://

zip://

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Utilizare

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