Fatal error: Class 'COM' not found

インストール手順
PHP コアに含まれるため、 追加のインストール無しで使用できます。

As of 5.3.15 (if you are still on 5.3 branch) you have to add extension=php_com_dotnet.dll line into your php.ini to have COM, DOTNET, VARIANT and similar classes available and working.

Array

ob_start();
var_dump($arr);
$ret =ob_get_contents();
ob_end_clean();

class Util
{
  function getDumpInVariable($arr)
  {
    ob_start();
    var_dump($arr);
    $ret =ob_get_contents();
    ob_end_clean();

    return $ret;
  }
}

$write_file = "/path/to/file";

$util = new Util();
$arr = file($argv[0], FILE_IGNORE_NEW_LINES);
$res = $util->getDumpInVariable($arr);

$fp = fopen($write_file, "w");
fwrite($fp, $res);
fclose($fp);

readfile($write_file);