PHP References Article
The June 2005 issue of php|architect published an article on "References in PHP". The article explains in detail how variables exactly work in PHP, in a hopefully clear text and with diagrams.
The magazine kindly allowed me to publish a PDF of this article on my site so that it can reach a greater audience. You can find the PDF here .
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It seems that the whole image on the first page has an HTML link to that page... Just don't click on it and you will be fine :)
That's a little freaky - in Firefox on my system, it starts to load, then jumps over to the php|a page talking about the print edition...
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