<ul><li\>Classes must be named by following the naming conventions.</ul><ul><li\>The brace is always written right after the class name (or interface declaration).</ul><ul><li\>Every class must have a documentation block that conforms to the PHPDocumentor standard.</ul><ul><li\>Any code within a class must be indented four spaces.</ul><ul><li\>Only one class is permitted per PHP file.</ul><ul><li\>Placing additional code in a class file is NOT permitted. </ul>This is an example of an acceptable class declaration:
