bzdecompress
(PHP 4 >= 4.0.4, PHP 5)
bzdecompress — Decompresses bzip2 encoded data
Description
bzdecompress() decompresses the given string containing bzip2 encoded data.
Parameters
-
source -
The string to decompress.
-
small -
If
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 an error number if an error occurred.
Examples
Example #1 Decompressing a String
<?php
$start_str = "This is not an honest face?";
$bzstr = bzcompress($start_str);
echo "Compressed String: ";
echo $bzstr;
echo "\n<br />\n";
$str = bzdecompress($bzstr);
echo "Decompressed String: ";
echo $str;
echo "\n<br />\n";
?>
Коментарии
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)