/**
* Render a multidimensional array to XML
*
* @static
* @param $array can contain scalar, arrays, Piwik_DataTable and Piwik_DataTable_Array
* @param int $level
* @return string
*/
public static function convertMultiDimensionalArrayToXml($array, $level = 0)
{
$xml="";
foreach ($array as $key=>$value)
{
if(is_numeric($key))
{
$key = "row";
}
$key = str_replace(' ', '_', $key);
$marginLeft = str_repeat("\t", $level + 1);
switch(true)
{
// Case dimension is a PHP array
case (is_array($value)):
if(empty($value))
{
$xml .= $marginLeft . "<$key/>\n";
}
else
{
$xml.= $marginLeft .
"<$key>\n".
self::convertMultiDimensionalArrayToXml($value, $level + 1).
"\n". $marginLeft .
"</$key>\n";
}
break;
// Case dimension is a Piwik_DataTable_Array or a Piwik_DataTable
case ($value instanceof Piwik_DataTable_Array || $value instanceof Piwik_DataTable):
if($value->getRowsCount() == 0)
{
$xml .= $marginLeft . "<$key/>\n";
}
else
{
$XMLRenderer = new Piwik_DataTable_Renderer_Xml();
$XMLRenderer->setTable($value);
$renderedReport = $XMLRenderer->render();
$renderedReport = preg_replace("/<\?xml.*\?>\n/", "", $renderedReport);
$markupToRemove = $value instanceof Piwik_DataTable_Array ? "results" : "result";
$renderedReport = preg_replace("/\n?<\/?". $markupToRemove .">\n?/", "", $renderedReport);
// Add one level of margin to each line
$renderedReport = $marginLeft . preg_replace("/\n/", "\n" . $marginLeft, $renderedReport);
$xml.= $marginLeft . "<$key>\n";
$xml.= $renderedReport;
$xml.= "\n" . $marginLeft . "</$key>\n";
}
break;
// Case scalar
default:
$xml.= $marginLeft . "<$key>".Piwik_DataTable_Renderer::formatValueXml($value)."</$key>\n";
break;
}
}
return $xml;
}
/**
* @group Core
* @group DataTable
* @group DataTable_Renderer
* @group DataTable_Renderer_XML
*/
public function testXMLArrayIsMadeOfArrayTest3()
{
$dataTable = $this->_getDataTableArray_containsDataTableArray_simpleOneRow();
$render = new Piwik_DataTable_Renderer_Xml();
$render->setTable($dataTable);
$expected = '<?xml version="1.0" encoding="utf-8" ?>
<results>
<result parentArrayKey="idSite">
<result testKey="row1">14</result>
<result testKey="row2">15</result>
<result testKey="row3" />
</result>
</results>';
$rendered = $render->render();
$this->assertEquals($expected, $rendered);
}
