/**
* Helper function to test if two rows are equal.
*
* Two rows are equal
* - if they have exactly the same columns / details
* - if they have a subDataTable associated, then we check that both of them are the same.
*
* @param Piwik_DataTable_Row row1 to compare
* @param Piwik_DataTable_Row row2 to compare
*
* @return bool
*/
public static function isEqual(Piwik_DataTable_Row $row1, Piwik_DataTable_Row $row2)
{
//same columns
$cols1 = $row1->getColumns();
$cols2 = $row2->getColumns();
uksort($cols1, 'strnatcasecmp');
uksort($cols2, 'strnatcasecmp');
if ($cols1 != $cols2) {
return false;
}
$dets1 = $row1->getDetails();
$dets2 = $row2->getDetails();
ksort($dets1);
ksort($dets2);
// same details
if ($dets1 != $dets2) {
return false;
}
// either both are null
// or both have a value
if (!(is_null($row1->getIdSubDataTable()) && is_null($row2->getIdSubDataTable()))) {
$subtable1 = Piwik_DataTable_Manager::getInstance()->getTable($row1->getIdSubDataTable());
$subtable2 = Piwik_DataTable_Manager::getInstance()->getTable($row2->getIdSubDataTable());
if (!Piwik_DataTable::isEqual($subtable1, $subtable2)) {
return false;
}
}
return true;
}