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Data (RFC 2397)> <PHP input/output streams
Last updated: Fri, 01 Jun 2007

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Compression Streams

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:
  • compress.zlib://
  • compress.bzip2://

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.

Table O.7. Wrapper Summary

AttributeSupported
Restricted by allow_url_fopenNo
Allows ReadingYes
Allows WritingYes
Allows AppendingYes
Allows Simultaneous Reading and WritingNo
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



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Data (RFC 2397)> <PHP input/output streams
Last updated: Fri, 01 Jun 2007
 
 
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