(PHP 4 >= 4.3.3, PHP 5)
bzcompress -- Compress a string into bzip2 encoded data
( string source [, int blocksize [, int workfactor]] )
bzcompress() compresses the given string and returns
it as bzip2 encoded data.
The string to compress.
Specifies the blocksize used during compression and should be a number
from 1 to 9 with 9 giving the best compression, but using more
resources to do so. blocksize defaults to 4.
Controls how the compression phase behaves when presented with worst
case, highly repetitive, input data. The value can be between 0 and
250 with 0 being a special case and 30 being the default value.
Regardless of the workfactor, the generated
output is the same.
The compressed string or number of error in case of error.
Example 1. Compressing data
$str = "sample data";
$bzstr = bzcompress($str, 9);
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