uploa

<?php
$conn = mysqli_connect("localhost","root","","dbphp");
require_once('vendor/php-excel-reader/excel_reader2.php');
require_once('vendor/SpreadsheetReader.php');

if (isset($_POST["submit"]))
{
       
  $allowedFileType = ['application/vnd.ms-excel','text/xls','text/xlsx','application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'];
  
  if(in_array($_FILES["file"]["type"],$allowedFileType)){

        $targetPath = 'uploads/'.$_FILES['file']['name'];
        move_uploaded_file($_FILES['file']['tmp_name'], $targetPath);
        
        $Reader = new SpreadsheetReader($targetPath);
        
        $sheetCount = count($Reader->sheets());
        
        for($i=0;$i<$sheetCount;$i++)
        {
            $Reader->ChangeSheet($i);
            
            foreach ($Reader as $Row)
            {
          
                $name = "";
                if(isset($Row[0])) {
                    $name = mysqli_real_escape_string($conn,$Row[0]);
                }
                
                $roll = "";
                if(isset($Row[1])) {
                    $description = mysqli_real_escape_string($conn,$Row[1]);
                }
                
                if (!empty($name) || !empty($roll)) {
		$query="insert into stuData(name,roll,eroll,gender,dep,sem) values(' ".$name." ',' ".$roll." ')";
                
                    if (! empty($result)) {
                        $type = "success";
                        $message = "Excel Data Imported into the Database";
                    } else {
                        $type = "error";
                        $message = "Problem in Importing Excel Data";
                    }
                }
             }
        
         }
  }
  else
  { 
        $type = "error";
        $message = "Invalid File Type. Upload Excel File.";
  }
}
?>