1<documentation title="Lowercase Class Keywords">
2    <standard>
3    <![CDATA[
4    The php keywords class, interface, trait, extends, implements, abstract, final, var, and const should be lowercase.
5    ]]>
6    </standard>
7    <code_comparison>
8        <code title="Valid: Lowercase class keywords.">
9        <![CDATA[
10<em>final</em> <em>class</em> Foo <em>extends</em> Bar
11{
12}
13]]>
14        </code>
15        <code title="Invalid: Initial capitalization of class keywords.">
16        <![CDATA[
17<em>Final</em> <em>Class</em> Foo <em>Extends</em> Bar
18{
19}
20]]>
21        </code>
22    </code_comparison>
23</documentation>
24