PHP, variables and references: even more detail

Published October 25th, 2005

Further to the issues dicussed here, PHP insider Derick Rethans has published an interesting, if rather technical article (PDF format) explaining in some detail (although with admirable clarity) how variables and references are handled internally in PHP. Although I’m against the idea that one should need to understand a language’s inner workings in order to be able to use it, in this case I think it’s advantageous to have some familiarity with what’s going on behind the scenes.

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