1<documentation title="Lowercase Keywords">
2    <standard>
3    <![CDATA[
4    All PHP keywords should be lowercase.
5    ]]>
6    </standard>
7    <code_comparison>
8        <code title="Valid: Lowercase array keyword used.">
9        <![CDATA[
10$foo = <em>array</em>();
11        ]]>
12        </code>
13        <code title="Invalid: Non-lowercase array keyword used.">
14        <![CDATA[
15$foo = <em>Array</em>();
16        ]]>
17        </code>
18    </code_comparison>
19</documentation>
20