--TEST-- Check for vtiful presence --SKIPIF-- --FILE-- './tests']; $fileObject = new \Vtiful\Kernel\Excel($config); $fileObject->fileName('activate_sheet.xlsx') ->header(['name', 'age']) ->data([ ['viest', 21], ['viest', 22], ['viest', 23], ]); $fileObject->addSheet('twoSheet') ->header(['name', 'age']) ->data([['vikin', 22]]); var_dump($fileObject->activateSheet('twoSheet')); $fileObject->output(); ?> --CLEAN-- --EXPECT-- bool(true)