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Class: Variable Length Coding

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  Classes of Robin Schuil  >  Variable Length Coding  >  Download .tar.gz .zip  >  Support forum Support forum (1)  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: Variable Length Coding
Support forum Support forum
Base name: vlc
Description: Compress data using variable length encoding
Related classes: , , , , ,
Version: -
PHP version: -
License: GNU General Public License (GPL)
All time users: 588 users
All time rank: 4149
Week users: 1 user
Week rank: 2467
Picture of Robin Schuil
Author: Robin Schuil <e-mail contact>
Packages: 3 Browse this author's classes Browse this author's classes
Country: The Netherlands The Netherlands - PHP jobs in The Netherlands
Age: 29
All time rank: 95230 in The Netherlands The Netherlands
Week rank: 836 Up23 in The Netherlands The Netherlands Up
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  Detailed description  
This class can be used to compress and uncompress data using the variable length encoding.

It can read a stream of data and pack it using an pure PHP implementation of the variable length encoding algorithm.

It can also do the opposite reading a variable length encoded stream of data and unpack it to restore the original uncompressed data.

 

  Groups  
Group folder image Compression Data compression and file archive manipulation View top rated classes

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  Innovation Award  
PHP Programming Innovation award nominee
July 2006
Number 9
 Variable length coding is a compression algorithm that is not very efficient for compressing arbitrary data.

However, it can be very efficient for compressing data with long sequences of repeated data.

This class provides an PHP implementation of the variable length coding algorithm. It can be useful when the data to compress is conveniently arranged.

Since it is a pure PHP based implementation, it may also be useful when the special PHP extensions that implement more efficient algorithms are not available.

Manuel Lemos

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  Files folder image Files  
File Role Description
Plain text file vlc.class.php Class Variable Bit Coding class
Plain text file example.php Example Example usage

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