<documentation title="Control Structure Signatures">
<standard>
<![CDATA[
Control structures should use one space around the parentheses in conditions. The opening brace should be preceded by one space and should be at the end of the line.
]]>
</standard>
<code_comparison>
<code title="Valid: Correct spacing around the condition.">
<![CDATA[
if<em> </em>($foo)<em> </em>{
}
]]>
</code>
<code title="Invalid: Incorrect spacing around the condition.">
<![CDATA[
if<em></em>($foo)<em></em>{
}
]]>
</code>
</code_comparison>
<code_comparison>
<code title="Valid: Correct placement of the opening brace.">
<![CDATA[
if ($foo) <em>{</em>
}
]]>
</code>
<code title="Invalid: Incorrect placement of the opening brace on a new line.">
<![CDATA[
if ($foo)
<em>{</em>
}
]]>
</code>
</code_comparison>
</documentation>