1<documentation title="Lowercase Function Keywords">
2    <standard>
3    <![CDATA[
4    The php keywords function, public, private, protected, and static should be lowercase.
5    ]]>
6    </standard>
7    <code_comparison>
8        <code title="Valid: Lowercase function keyword.">
9        <![CDATA[
10<em>function</em> foo()
11{
12    return true;
13}
14]]>
15        </code>
16        <code title="Invalid: Uppercase function keyword.">
17        <![CDATA[
18<em>FUNCTION</em> foo()
19{
20    return true;
21}
22]]>
23        </code>
24    </code_comparison>
25</documentation>
26