How to create CVS content using PHP and write it to variable

CVS content using PHP to variable

<?php
  $handle = fopen('php://memory', 'w');
   
  $data = array('value 1', 20, 'text value', '0');
  fputcsv($handle, $data, ';');
   
  /* to be able to read from a handle, it is necessary to reset internal file pointer to the begining */
  fseek($handle, 0);
  
  $csv = stream_get_contents($handle);
   
  /* converting CSV content encoding */
  $csv = mb_convert_encoding($csv, 'iso-8859-2', 'utf-8');
   
  /* writing content to a file locally */
  file_put_contents('/pat/to/file.csv', $csv);
    
  /* sending to browser */
  header('Content-Type: application/csv');
  header('Content-Disposition: attachement; filename="file.csv";');
  echo $csv;
  exit;
?>