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DZone.com: Closure Object Binding in PHP 5.4

Note: This article was originally published at PHPDeveloper on 29 October 2011.
PHPDeveloper

In a new post to DZone.com Mitchell Pronschinske looks at closure object binding in PHP 5.4 applications (yes, we know PHP 5.4 isn't released yet). He explains what this is an shows some sample use cases for you to consider in your development.

For the people who read PHP's NEWS file, it's no surprise - but for all who don't here's is probably one of the biggest features of PHP 5.4: Closure Object Support is back. For me it's something I missed the most, when Closures were introduced in PHP 5.3. So I'm very happy, that's finally here (or back). I'm going to tell you about the rocky road which closure object binding support had and show you some simple use cases for it.

The functionality, based on this RFC, lets you more correctly bind closures to objects instead of having to pass the objects into the closure at create time. He includes an example from a Silex framework application and an example that refactors a helper method as a part of rendering a simple template.