What exactly is a restrictive constructor, and why would you want to use one? If you're a PHP programmer who uses such design patterns as Singleton and Factory, this series of articles on restrictive constructors will give you another tool to use in your applications.
- As you'll probably know, with the release of PHP 5 quite some time ago, the language was provided with the ability to specify the visibility of properties and methods in classes, something that had already been implemented in more mature programming languages such as Java and C++.
In a pretty str...
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Using Restrictive Constructors in PHP 5
Posted: March 4th, 2010, 7:00am MST