<?php 
error_reporting(0);

// ini_set(‘display_errors’, 1);
// ini_set(‘display_startup_errors’, 1);
// error_reporting(E_ALL);

require_once '../config.php';

// include('../PHPExcel/Classes/PHPExcel/IOFactory.php');
require '../vendor/autoload.php';

use PhpOffice\PhpSpreadsheet\Spreadsheet;

$doc_no =  $_POST['list'][0];
if(isset($doc_no))
{
	$doc_no = explode(',', $doc_no);
	$error = "";


	$filePath = "../docs/";
 	if(extension_loaded('zip'))
 	{
 	    if(isset($doc_no) && count($doc_no) == 1)
 		{
 		    $file = $doc_no[0];
 		    // $objPHPExcel = new PHPExcel();
            // $FileName = "../docs/$file/$file.xls" ;

            $FileName1 = $filePath.$file.'/'.$file.'.xls';
			$FileName2 = $filePath.$file.'/'.$file.'.xlsx';
			$ext = '';
			if(file_exists($FileName1))
			{
				$ext = pathinfo($FileName1, PATHINFO_EXTENSION);
			}
			else if(file_exists($FileName2)){

			    $ext = pathinfo($FileName2, PATHINFO_EXTENSION);
			}
            
            if($ext!='')
            {
	            $inputFileName = "../docs/$file/$file.".$ext ;
	            // $inputFileType = PHPExcel_IOFactory::identify($inputFileName);
	            // $objPHPExcel = PHPExcel_IOFactory::load($inputFileName);
	            // $objPHPExcel->setActiveSheetIndex(0);
	            // header("Content-Type: application/vnd.ms-excel");
	            // header("Content-Disposition: attachment; filename=$file.".$ext);
	            // header("Cache-Control: max-age=0 ");
	            
	            // $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, $inputFileType);
	            // $objWriter->save('php://output');
            	// ob_clean();

				            	ob_end_clean(); // this is solution
				header('Content-Description: File Transfer');
				// header('Content-Type: ' . $mime);
				header("Content-Transfer-Encoding: Binary");
				header("Content-disposition: attachment; filename=\"" . basename($inputFileName) . "\"");
				header('Content-Transfer-Encoding: binary');
				header('Expires: 0');
				header('Cache-Control: must-revalidate');
				header('Pragma: public');
				readfile($inputFileName);
            }
 		   
 		}
 		else if(isset($doc_no) && count($doc_no)>1)
 		{
 			$zipPath = "../zip_docs/";
            if (!file_exists($zipPath)) {
			    mkdir($zipPath, 0777, true);
			}
 			
 			array_map('unlink', glob( $zipPath.'*.zip'));

 			$zip = new ZipArchive();
 			$zip_name = date("Y-m-d").".zip";
 			
 			if($zip->open($zipPath.$zip_name, ZIPARCHIVE::CREATE)!==TRUE)
 			{
 				//$error.="Sorry zip creation failed.";
 			}
 			$array = array();
			foreach($doc_no as $file)
			{ 
				
				$FileName1 = $filePath.$file.'/'.$file.'.xls';
				$FileName2 = $filePath.$file.'/'.$file.'.xlsx';
				if(file_exists($FileName1))
				{
					$ext = pathinfo($FileName1, PATHINFO_EXTENSION);
					 $array[]  = $FileName1;
				    $inputFileName = $ext;
				    $zip->addFile($filePath."$file/$file.".$inputFileName,"$file.".$inputFileName);
				}
				else if(file_exists($FileName2)){

				    $ext = pathinfo($FileName2, PATHINFO_EXTENSION);
				     $array[]  = $FileName2;
				    $inputFileName = $ext;
				    $zip->addFile($filePath."$file/$file.".$inputFileName,"$file.".$inputFileName);
				}
				// $zip->addFile($filePath."$file/$file.".$inputFileName,"$file.".$inputFileName);
				
			}
			
			$zip->close();

			 $yourfile = $zipPath.$zip_name;

			if(file_exists($yourfile))
			{
				
				$file_name = basename($yourfile);

			    header("Content-Type: application/zip");
			    header("Content-Disposition: attachment; filename=$file_name");
			    header("Content-Length: " . filesize($yourfile));

			    readfile($yourfile);
			    unlink($yourfile);

			}
			else
				{
					//$error .= "File not exists ";
				}	
 		}
 		else
 		{
			//$error .= "* Please select file to zip ";
 		}

 	}
 	/*$_SESSION['file_error'] = $error;
		header("location:".$url."admin/assignment_completed.php");*/

}


?>