Chris@0: <documentation title="Default Values in Function Declarations">
Chris@0:     <standard>
Chris@0:     <![CDATA[
Chris@0:     Arguments with default values go at the end of the argument list.
Chris@0:     ]]>
Chris@0:     </standard>
Chris@0:     <code_comparison>
Chris@0:         <code title="Valid: argument with default value at end of declaration">
Chris@0:         <![CDATA[
Chris@0: function connect($dsn, <em>$persistent = false</em>)
Chris@0: {
Chris@0:     ...
Chris@0: }
Chris@0:         ]]>
Chris@0:         </code>
Chris@0:         <code title="Invalid: argument with default value at start of declaration">
Chris@0:         <![CDATA[
Chris@0: function connect(<em>$persistent = false</em>, $dsn)
Chris@0: {
Chris@0:     ...
Chris@0: }
Chris@0:         ]]>
Chris@0:         </code>
Chris@0:     </code_comparison>
Chris@0: </documentation>