XOOPServer - XOOPServer Legacy : MySQL and PHP version 4

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XOOPServer Legacy : MySQL and PHP version 4

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administrator submitted 2008/8/16 13:01, published 2008/8/16 13:01 | 25609 views
Tags: XOOPS Cube, portable, server, apache, mysql, php

http://code.google.com/p/xoopserver/downloads/list

From Wikipedia, the free encyclopedia

"A legacy system is an old computer system or application program that continues to be used because the user (typically an organization) does not want to replace or redesign it."

Legacy systems are considered to be potentially problematic by many software engineers (for example, see Bisbal et al., 1999) for several reasons. Legacy systems often run on obsolete (and usually slow) hardware, and sometimes spare parts for such computers become increasingly difficult to obtain. These systems are often hard to maintain, improve, and expand because there is a general lack of understanding of the system. The designers of the system may have left the organization, leaving no one left to explain how it works. Such a lack of understanding can be exacerbated by inadequate documentation or manuals getting lost over the years. Integration with newer systems may also be difficult because new software may use completely different technologies.

Despite these problems, organizations can have compelling reasons for keeping a legacy system, such as:

The costs of redesigning the system are prohibitive because it is large, monolithic, and/or complex.
The system requires close to 100% availability, so it cannot be taken out of service, and the cost of designing a new system with a similar availability level is high.
The way the system works is not well understood. Such a situation can occur when the designers of the system have left the organization, and the system has either not been fully documented or such documentation has been lost.
The user expects that the system can easily be replaced when this becomes necessary.
The system works satisfactorily, and the owner sees no reason for changing it; or in other words, re-learning a new system would have a prohibitive attendant cost in lost time and money.

If legacy software runs on only antiquated hardware, the cost of maintaining the system may eventually outweigh the cost of replacing both the software and hardware unless some form of emulation or backward compatibility allows the software to run on new hardware. However, many of these systems do still meet the basic needs of the organization. The systems to handle customers' accounts in banks are one example. Therefore the organization cannot afford to stop them and yet some cannot afford to update them.

PHP 4 is not officially supported since the 8 august 2008.

But now that Legacy is clear developed we release a first compilation of XOOPServer buitl on Apache 1, MySQL 4 and PHP 4

http://code.google.com/p/xoopserver/downloads/list