Find and Replace in a CSV

parseCSV.php

<?php

require_once('countries.php');

$row = 0;
$fp = fopen('hubspot10daysnew.csv', 'w');
$countries = get_countries();

if (($handle = fopen("hubspot10days.csv", "r")) !== FALSE) {
  while ($data = fgetcsv($handle)) {

    $data[4] = get_country($data[4]);

    fputcsv($fp, $data);

    echo "Processed line ".$row++."\n";
  }
}