Mine

function string_display_length($x)
{
  $x=strip_tags($x);
  $x=str_replace('&',"x",$x);
  $x=str_replace('&amp',"x",$x);
  $x=str_replace('©',"x",$x);
  $x=str_replace('&copy',"x",$x);
  $x=str_replace('<',"x",$x);
  $x=str_replace('>',"x",$x);
 
  return strlen($x);
}
 
function string_fixed_length($w, $string)
{
  $s = string_display_length($string);
  $space = " ";
  if($w > $s) {
      $g = $w - $s;
      $out = $string;

      for ($i = 0; $i < $g; $i++)
        $out .= $space

  }
  else
    $out = $string;
  
  echo $out;
}