PHP: bzdecompress - Manual (original) (raw)

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

bzdecompress — Decompresses bzip2 encoded data

Description

Parameters

data

The string to decompress.

use_less_memory

If [true](reserved.constants.php#constant.true), an alternative decompression algorithm will be used which uses less memory (the maximum memory requirement drops to around 2300K) but works at roughly half the speed.

See the » bzip2 documentation for more information about this feature.

Return Values

The decompressed string, or [false](reserved.constants.php#constant.false) or an error number if an error occurred.

Changelog

Examples

Example #1 Decompressing a String

`<?php
$start_str = "This is not an honest face?"; bzstr=bzcompress(bzstr = bzcompress(bzstr=bzcompress(start_str);

echo

"Compressed String: ";
echo $bzstr;
echo "\n
\n";$str = bzdecompress($bzstr);
echo "Decompressed String: ";
echo $str;
echo "\n
\n";
?>`

See Also

• bzcompress() - Compress a string into bzip2 encoded data

Found A Problem?

balint * atres / ath / cx ¶

19 years ago

I spent a while to sort out some integer results of the bzdecompress, so maybe it'll be useful for somebody else also...
(Constants from the sources.)

#define BZ_OK                0
#define BZ_RUN_OK            1
#define BZ_FLUSH_OK          2
#define BZ_FINISH_OK         3
#define BZ_STREAM_END        4
#define BZ_SEQUENCE_ERROR    (-1)
#define BZ_PARAM_ERROR       (-2)
#define BZ_MEM_ERROR         (-3)
#define BZ_DATA_ERROR        (-4)
#define BZ_DATA_ERROR_MAGIC  (-5)
#define BZ_IO_ERROR          (-6)
#define BZ_UNEXPECTED_EOF    (-7)
#define BZ_OUTBUFF_FULL      (-8)
#define BZ_CONFIG_ERROR      (-9)