public function renderArray($array)
{
$result = parent::renderArray($array);
// if $array is a simple associative array, remove the JSON root array that is added by renderDataTable
if (!empty($array) && Piwik::isAssociativeArray($array) && !Piwik::isMultiDimensionalArray($array)) {
$result = substr($result, 1, strlen($result) - 2);
}
return $result;
}
/**
* backwards compatibility test
*/
public function test_oldJson_renderArray_ShouldConvertSingleDimensionalAssociativeArray()
{
$input = array("firstElement" => "isFirst", "secondElement" => "isSecond");
$expected = '[{"firstElement":"isFirst","secondElement":"isSecond"}]';
$oldJsonBuilder = new Json($input);
$actual = $oldJsonBuilder->renderArray($input);
$this->assertEquals($expected, $actual);
$this->assertNoJsonError($actual);
}