/** * Helper function to test if two rows are equal. * * Two rows are equal * - if they have exactly the same columns / metadata * - if they have a subDataTable associated, then we check that both of them are the same. * * @param Piwik_DataTable_Row $row1 first to compare * @param Piwik_DataTable_Row $row2 second to compare * @return bool */ public static function isEqual(Piwik_DataTable_Row $row1, Piwik_DataTable_Row $row2) { //same columns $cols1 = $row1->getColumns(); $cols2 = $row2->getColumns(); $diff1 = array_udiff($cols1, $cols2, array(__CLASS__, 'compareElements')); $diff2 = array_udiff($cols2, $cols1, array(__CLASS__, 'compareElements')); if ($diff1 != $diff2) { return false; } $dets1 = $row1->getMetadata(); $dets2 = $row2->getMetadata(); ksort($dets1); ksort($dets2); if ($dets1 != $dets2) { return false; } // either both are null // or both have a value if (!(is_null($row1->getIdSubDataTable()) && is_null($row2->getIdSubDataTable()))) { $subtable1 = $row1->getSubtable(); $subtable2 = $row2->getSubtable(); if (!Piwik_DataTable::isEqual($subtable1, $subtable2)) { return false; } } return true; }