class op_file
  {
  var $filename='';
  var $rej='';  //Mode of reading
  var $id_file='';
  var $out='';
  function __construct($filename,$rej)
  {
  $this->filename = $filename;
  $this->rej = $rej;
  $this->id_file = fopen($this->filename,$this->rej);
  $this->out = $out;
  }
  function output_file()
  {
  while (!feof($this->id_file))
  {
  $this->out = fgets($this->id_file, 255 );
  }
  return $this->out;
  }
  function __destruct()
  {
  fclose($this->id_file);
  }
  }
$conten = new op_file('model.txt',r);
echo $conten->output_file();