<documentation title="Zend Code Analyzer">
<standard>
<![CDATA[
PHP Code should pass the zend code analyzer.
]]>
</standard>
<code_comparison>
<code title="Valid: Valid PHP Code.">
<![CDATA[
function foo($bar, $baz)
{
return <em>$bar + $baz</em>;
}
]]>
</code>
<code title="Invalid: There is an unused function parameter.">
<![CDATA[
function foo($bar, $baz)
{
return <em>$bar + 2</em>;
}
]]>
</code>
</code_comparison>
</documentation>