Inspired by a recent article on how Ruby code executes, this article covers the execution process for PHP code.Introduction There’s a lot going on under the hood when we execute a piece of PHP code. Broadly speaking, the PHP interpreter goes through four stages when executing code:Lexing Parsing Compilation I...
In the prequel to this article (hint: make sure you’ve read it first), I showed one way to implement a range operator in PHP. Initial implementations, however, are rarely the best, and so it is the intention of this article to look at how the previous implementation can be improved. Thanks once again to Nikita Popov ...
We sometimes come across some amazing posts in other locations, and with the permissions of their authors, repost them on SitePoint. This is one such instance. In the post below, Thomas Punt implements the range operator in PHP. If you’ve ever been interested in PHP internals and adding features to your favorite prog...
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