fix characters simpler

/**
 * An array of characters that we want to convert
 */
function get_bad_characters() {

  static $find;

  if ( ! is_array($find) ) {
    $find = array();
    $find[] = '“';      // left side double smart quote
    $find[] = '”';       // right side double smart quote
    $find[] = '‘';      // left side single smart quote
    $find[] = '’';      // right side single smart quote
    $find[] = '…';      // elipsis
    $find[] = '—';      // em dash
    $find[] = '–';      // en dash
    $find[] = '’'; // quote mark
    $find[] = 'â€"';   // ndash I think
    $find[] = 'â€Â';   // close right double quote
    $find[] = '·';     // small filled dot or small black bullet
    $find[] = '"¢';       // regular bullet
    $find[] = '�';   // apostrophe
  }

  return $find;
}

/**
 * An array of replacement characters that map in order to the ones from bad_characters()
 */
function get_replacements() {
  static $replacements;

  if ( ! is_array($replacements) ) {
    $replacements = array();
    $replacements[] = '"';
    $replacements[] = '"';
    $replacements[] = "'";
    $replacements[] = "'";
    $replacements[] = "...";
    $replacements[] = "-";
    $replacements[] = "-";
    $replacements[] = "'";
    $replacements[] = "–";
    $replacements[] = '"';
    $replacements[] = "·";
    $replacements[] = "•";
    $replacements[] = "'";
  }

  return $replacements;
}

function fix_characters($string) {
  $string = str_replace(get_bad_characters(), get_replacements(), $string);
  return $string;
}

function fix_characters_simpler($string) {
  $map = array(
    '“'       => '"',
    '”'        => '"',
    '‘'       => "'",
    '’'       => "'",
    '…'       => "...",
    '—'       => "-",
    '–'       => "-",
    '’'  => "'",
    'â€"'    => "–",
    'â€Â'    => '"',
    '·'      => "·",
    '"¢'        => "•",
    '�'    => "'",
  );
  return str_replace(array_keys($map), array_values($map), $string);
}