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    Is there a publish date for this I’m not seeing anywhere? It talks about PHP 4.3.0+ which has been dead for a number of years (more than I decade I think?) That being said, I love articles like this had explain in-depth how a language works.

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      This is basically a hieroglyph, it’s from 2005. I believe it’s part of an ongoing magazine called php architect though, so you could check that out.