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Compress a string into bzip2 encoded data


bzcompress

(PHP 4 >= 4.0.4, PHP 5)

bzcompressCompress a string into bzip2 encoded data

Description

mixed bzcompress ( string $source [, int $blocksize = 4 [, int $workfactor = 0 ]] )

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.

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.

Regardless of the workfactor, the generated output is the same.

Return Values

The compressed string, or an error number if an error occurred.

Examples

Example #1 Compressing data

<?php
$str 
"sample data";
$bzstr bzcompress($str9);
echo 
$bzstr;
?>

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