<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:



<code type="php">
/**
 * Documentation here
 */
class Doctrine_SampleClass {
    // entire content of class
    // must be indented four spaces
} 
