Class: ASCII85

Name:	ASCII85 Support forum
Base name:	`ascii85`
Description:	Encode and decode data using the ASCII85 algorithm
Version:	`-`
Required PHP version:	`4.0`
License:	BSD License
All time users:	363 users
All time rank:	3516
Week users:	2 users
Week rank:	2587

	Supplied by		Groups		Detailed description

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Supplied by:

Name:	Sam Shull `<e-mail contact>`
Published packages:	3
Country:	United States - PHP jobs in United States
Home page:	`http://samshull.com/`
Age:	31
All time rank:	1276
Week rank:	712

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Innovation Award:

August 2007
Number 10

ASCII 85 is an algorithm that can encode binary data using only ASCII characters.

Data encoded with ASCII 85 uses a wider range of characters than similar algorithms like base 64. Therefore it provides in a more efficient encoding of binary data. That is why it is used to encode binary data inside data formats like PDF.

This class provides a pure PHP implementation of ASCII 85, thus making it possible to encode and decode PDF files that use this algorithm, without needing special PHP extensions.

Manuel Lemos

Groups:

Algorithms Numerical and statistical algorithms View top rated classes

Text processing Manipulating and validating text data View top rated classes

Detailed description:

This class can be used to encode and decode data using the ASCII85 algorithm.

It can take a string of data and encode it with the ASCII85 algorithm. It can also do the opposite, i.e. extract the original data from an encoded string using the same algorithm.

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Example in use An example in use on my website

Wikipedia Description of ASCII85 Description of ASCII85
Files:

File Role Description

ascii85.php Class the base class

example Example An example of ASCII85 encoding

Download all files: ascii85.tar.gz ascii85.zip

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