/**
* @group Core
* @group DataTable
* @group DataTable_Renderer
* @group DataTable_Renderer_JSON
*/
public function testJSONArrayIsMadeOfArrayTest3()
{
$dataTable = $this->_getDataTableArray_containsDataTableArray_simpleOneRow();
$render = new Piwik_DataTable_Renderer_Json();
$render->setTable($dataTable);
$expected = '{"idSite":{"row1":14,"row2":15,"row3":[]}}';
$rendered = $render->render();
$this->assertEquals($expected, $rendered);
}
/**
* Render a multidimensional array to Json
* Handle Piwik_DataTable|Piwik_DataTable_Array elements in the first dimension only, following case does not work:
* array(
* array(
* Piwik_DataTable,
* 2 => array(
* 1,
* 2
* ),
* ),
* );
*
* @static
* @param $array can contain scalar, arrays, Piwik_DataTable and Piwik_DataTable_Array
* @param int $level
* @return string
*/
public static function convertMultiDimensionalArrayToJson($array)
{
// Naive but works for our current use cases
$arrayKeys = array_keys($array);
$isAssociative = !is_numeric($arrayKeys[0]);
if($isAssociative)
{
$json = "{";
}
else
{
$json = "[";
}
foreach ($array as $key=>$value)
{
if($isAssociative)
{
$json .= "\"".$key."\":";
}
switch(true)
{
// Case dimension is a PHP array
case (is_array($value)):
$json .= json_encode($value);
break;
// Case dimension is a Piwik_DataTable_Array or a Piwik_DataTable
case ($value instanceof Piwik_DataTable_Array || $value instanceof Piwik_DataTable):
$XMLRenderer = new Piwik_DataTable_Renderer_Json();
$XMLRenderer->setTable($value);
$renderedReport = $XMLRenderer->render();
$json .= $renderedReport;
break;
// Case scalar
default:
$json .= json_encode($value);
break;
}
$json .= ",";
}
// Remove trailing ","
$json = substr ($json, 0, strlen($json) - 1);
if($isAssociative)
{
$json .= "}";
}
else
{
$json .= "]";
}
return $json;
}
