I am currently working on adding a fair amount of functionality to a Web site whose programs have been designed very poorly. Amongst other things, taint checking and strict have not been used. Code has been thrown together without regard to side effects, massive Here docs are used to output HTML, etc. Since I am getting a fair amount of experience with these issues, I thought I would offer some of my observations for fellow monks. Some of these pertain to the existing code and concentrates on 'quick fixes'. Some pertains to new code that's added.

Quick (?) Fixes

Adding new functionality

Any and all tips that others wish to add are welcome!


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