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bzcompress (PHP 4 >= 4.3.3, PHP 5) bzcompress -- Compress a string into bzip2 encoded data Descriptionstring bzcompress ( string source [, int blocksize [, int workfactor]] )
bzcompress() compresses the given string and returns
it as bzip2 encoded data.
Parameters
- source
The string to compress.
- blocksize
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.
- workfactor
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.
Return Values
The compressed string.
ExamplesExample 1. Compressing data |
<?php
$str = "sample data";
$bzstr = bzcompress($str, 9);
echo $bzstr;
?>
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User Contributed Notes
bzcompress
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bzclose