Add files via upload

download.php

@@ -0,0 +1,24 @@
+<?php
+    $filename = 'Twittodon_com_db.csv';
+    $export_data = unserialize($_POST['export_data']);
+
+    // file creation
+    $file = fopen($filename,"w");
+
+    foreach ($export_data as $line){
+    fputcsv($file,$line);
+    }
+
+    fclose($file); 
+
+    // download
+    header("Content-Description: File Transfer");
+    header("Content-Disposition: attachment; filename=".$filename);
+    header("Content-Type: application/csv; "); 
+
+    readfile($filename);
+
+    // deleting file
+    unlink($filename);
+    exit();
+?>