<?
$fp = fopen("file.txt", "r");

if ($fp) {

  while (($buffer = fgets($fp, 4096)) !== false) {
    echo $buffer;
  }

  if (!feof($fp)) {
    echo "Error: unexpected fgets() fail\n";
  }

  fclose($fp);

} else {

  echo "file access error";

}

?>