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gzencode

gzencode

Create a gzip compressed string

 **gzencode** string $data int $level int $encoding

This function returns a compressed version of the input compatible with the output of the program. data

For more information on the GZIP file format, see the document: (RFC 1952). GZIP file format specification version 4.3

dataThe data to encode.

levelThe level of compression. Can be given as 0 for no compression up to 9 for maximum compression. If not given, the default compression level will be the default compression level of the zlib library.

encoding The encoding mode. Can be (the default) or . FORCE_GZIP``FORCE_DEFLATE

    generates
   RFC 1950 compliant output, consisting of a zlib header, the deflated
   data, and an Adler checksum.
  `FORCE_DEFLATE`

The encoded string, or false if an error occurred.

The resulting data contains the appropriate headers and data structure to make a standard .gz file, e.g.:

Voorbeeld: Creating a gzip file

<?php
$data = file_get_contents("bigfile.txt");
$gzdata = gzencode($data, 9);
file_put_contents("bigfile.txt.gz", $gzdata);
?>

gzdecode``gzdeflate``gzinflate``gzuncompress``gzcompressZLIB Compressed Data Format Specification (RFC 1950)