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Lars Tesmer's Blog: Learning Ruby: Gotchas and Pitfalls for PHP Programmers

Note: This article was originally published at PHPDeveloper on 15 September 2011.
PHPDeveloper

Lars Tesmer is currently in the process of learning Ruby. He' been working through the tutorials and some sample scripts and has come across some pitfalls along the way. In his latest post he shares four of them that've stood out in his development so far.

I'm currently learning Ruby. In this post I'll list some pitfalls for programmers coming from PHP that would probably cause some confusion if you aren't aware of them. This list is by no means complete, while I learn Ruby I'll very probably encounter more gotchas, which I will blog about, too.

For each of his four examples, he gives the code PHP developers are used to seeing and the Ruby code that may or may not do what you'd expect:

  • Arrays are continuous
  • Zero is not falsy
  • The keywords private and protected
  • There's no static keyword