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Andrea Giammarchi's Blog:
PHP Serialization And Recursion Demystified
September 09, 2009 @ 15:39:11

Andrea Giammarchi has posted a new item to his blog looking at freezing and unfreezing objects and variables in PHP apps. Specifically he points out a few gotchas to watch out for.

PHP has different in-core callbacks able to help us with daily deployment, debug, improvements. At the same time, PHP is loads of intrinsic "gotcha", too often hard to understand, hard to explain, or simply hard to manage. One common problem is about debug, caching, or freezing, and the way we would like to debug, cache, or freeze, variables.

He presents the problem - serializing variable information to "freeze" it and how recursion can cause problems down the line. He looks at the two different kinds of recursion (recursion and recursion by reference) and, after looking at a few possible solutions to fix things, eventually comes down to a way to remove the recursion "without losing it".

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