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Anthony Ferrara's Blog: Parameter Type Casting in PHP

Note: This article was originally published at PHPDeveloper on 7 March 2012.
PHPDeveloper

Anthony Ferrara has a new article posted to his site today about parameter typecasting and the discussions that have been happening about it on the PHP "internals" mailing list.

As any of you who follow the PHP internals list know, scalar type hinting has been a hot topic as of late. You'll also know that I've submitted two new RFC (Request For Comment) proposals for inclusion of two new major features in the PHP language. I figured it was worth going into both RFCs and patches a little deeper, explain my rationale and (hopefully) garner some more visibility of the proposals.

He shares the details of the two main RFCs that are proposed right now - parameter type casting hints and object scalar casting magic methods (both with code examples). Right now, they're only in the patch stage and there's talk of improving the current casting functionality of PHP before something like one of these goes into place.