PHP Objects, Patterns, and Practice Quotes

“Some properties should not be changed. The Answer to Life, the Universe, and Everything is 42, and you want it to stay that way. Error and status flags will often be hard-coded into your classes. Although they should be publicly and statically available, client code should not be able to change them.”
― Matt Zandstra, PHP Objects, Patterns, and Practice

“Methods like this act as “factories” in that they take raw materials (such as row data, for example, or
configuration information) and use them to produce objects. The term factory is applied to code
designed to generate object instances.”
― Matt Zandstra, PHP Objects, Patterns, and Practice

“Design Patterns: Elements of Reusable Object-Oriented Software (Addison-Wesley Professional, 1995) by”
― Matt Zandstra, PHP Objects, Patterns, and Practice

“The Pragmatic Programmer: From Journeyman to Master by Andrew Hunt and David Thomas (Addison-Wesley Professional, 1999).”
― Matt Zandstra, PHP Objects, Patterns, and Practice