<documentation title="camelCaps Function Names">
    <standard>
    <![CDATA[
    Functions should use camelCaps format for their names. Only PHP's magic methods should use a double underscore prefix.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: A function in camelCaps format.">
        <![CDATA[
function <em>doSomething</em>()
{
}
        ]]>
        </code>
        <code title="Invalid: A function in snake_case format.">
        <![CDATA[
function <em>do_something</em>()
{
}
        ]]>
        </code>
    </code_comparison>
</documentation>