<documentation title="Default Values in Function Declarations">
	<standard>
    <![CDATA[
    Arguments with default values go at the end of the argument list.
    ]]>
	</standard>
	<code_comparison>
		<code title="Valid: argument with default value at end of declaration">
        <![CDATA[
function connect($dsn, <em>$persistent = false</em>)
{
    ...
}
        ]]>
		</code>
		<code title="Invalid: argument with default value at start of declaration">
        <![CDATA[
function connect(<em>$persistent = false</em>, $dsn)
{
    ...
}
        ]]>
		</code>
	</code_comparison>
</documentation>
