utf8-filter.php

<?php

stream_filter_register("utf8encode", "utf8encode_filter");
class utf8encode_filter extends php_user_filter {

    function filter($in, $out, &$consumed, $closing) {
        while($bucket = stream_bucket_make_writeable($in)) {
            $bucket->data = utf8_encode($bucket->data);
            $consumed += $bucket->datalen;
            stream_bucket_append($out, $bucket);
        }
        return PSFS_PASS_ON;
    }
}


/*
  usage:

  $fh = fopen('somefile', 'r');
  stream_filter_prepend($fh, 'utf8encode');
  while($row = fgetcsv($fh){
     ...
  });
*/