PHP - Class Files

As noted in the section outlining Comments & External Documentation, each file should begin with a block comment detailing important information about the file. In addition to the default block comment, the class should include PHPDoc comments sufficient to produce a full API for the given class and/or package.

Constants should be defined at the beginning of the file.

Any included files should be included after declaring constants.

Constructors, destructors, and other “magic methods”1) that are modified or enhanced should be declared at the beginning of a class.

It should be noted that any HTML produced by a PHP class should adhere to the HTML standards.