<documentation title="Forbidden Functions">
<standard>
<![CDATA[
The forbidden functions sizeof() and delete() should not be used.
]]>
</standard>
<code_comparison>
<code title="Valid: count() is used in place of sizeof().">
<![CDATA[
$foo = <em>count</em>($bar);
]]>
</code>
<code title="Invalid: sizeof() is used.">
<![CDATA[
$foo = <em>sizeof</em>($bar);
]]>
</code>
</code_comparison>
</documentation>