PHPExcel 시트추가 add sheet

//First sheet 
    $sheet = $objPHPExcel->getActiveSheet(); 

    //Start adding next sheets 
    $i=0; 
    while ($i < 10) { 

     // Add new sheet 
     $objWorkSheet = $objPHPExcel->createSheet($i); //Setting index when creating 

     //Write cells 
     $objWorkSheet->setCellValue('A1', 'Hello'.$i) 
        ->setCellValue('B2', 'world!') 
        ->setCellValue('C1', 'Hello') 
        ->setCellValue('D2', 'world!'); 

     // Rename sheet 
     $objWorkSheet->setTitle("$i"); 

     $i++; 
    } 

이런식으로..

출처 : https://stackoverrun.com/ko/q/2588701