1<documentation title="Function Calls">
2    <standard>
3    <![CDATA[
4      Functions should be called with no spaces between the function name, the opening parenthesis, and the first parameter; and no space between the last parameter, the closing parenthesis, and the semicolon.
5    ]]>
6    </standard>
7    <code_comparison>
8        <code title="Valid: spaces between parameters">
9        <![CDATA[
10$var = foo($bar, $baz, $quux);
11        ]]>
12        </code>
13        <code title="Invalid: additional spaces used">
14        <![CDATA[
15$var = foo<em> </em>(<em> </em>$bar, $baz, $quux<em> </em>)<em> </em>;
16        ]]>
17        </code>
18    </code_comparison>
19</documentation>
20