<documentation title="Lowercase Function Keywords">
<standard>
<![CDATA[
The php keywords function, public, private, protected, and static should be lowercase.
]]>
</standard>
<code_comparison>
<code title="Valid: Lowercase function keyword.">
<![CDATA[
<em>function</em> foo()
{
return true;
}
]]>
</code>
<code title="Invalid: Uppercase function keyword.">
<![CDATA[
<em>FUNCTION</em> foo()
{
return true;
}
]]>
</code>
</code_comparison>
</documentation>