Convert Japanese CSV [Win | Mac]

convert_usable_format.php

  <?php
  public function convert_usable_format($file){
    $buf = mb_convert_encoding(file_get_contents($file), "UTF-8", "SJIS-WIN");
    
    $buf = str_replace(array("\r\n", "\n", "\r"), "m9(^v^)", $buf);
    $buf = str_replace("m9(^v^)", "\r\n", $buf);
    $handle = tmpfile();
    fwrite($handle, $buf);
    rewind($handle);

    return $handle;
  }